From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../track/track-element/cloneNode.html | 87 +++++++++++++ .../track/track-element/cors/003.html | 10 ++ .../track/track-element/cors/004.html | 10 ++ .../track/track-element/cors/005.html | 10 ++ .../track/track-element/cors/006.html | 10 ++ .../track/track-element/cors/007.html | 10 ++ .../track/track-element/cors/008.html | 10 ++ .../track/track-element/cors/009.html | 10 ++ .../track/track-element/cors/010.html | 10 ++ .../track/track-element/cors/011.html | 10 ++ .../track/track-element/cors/012.html | 10 ++ .../track/track-element/cors/013.html | 10 ++ .../track/track-element/cors/014.html | 10 ++ .../track/track-element/cors/015.html | 10 ++ .../track/track-element/cors/016.html | 10 ++ .../track/track-element/cors/017.html | 10 ++ .../track/track-element/cors/018.html | 10 ++ .../track/track-element/cors/019.html | 10 ++ .../track/track-element/cors/020.html | 10 ++ .../track/track-element/cors/021.html | 10 ++ .../track/track-element/cors/022.html | 10 ++ .../track/track-element/cors/023.html | 10 ++ .../track/track-element/cors/024.html | 10 ++ .../track/track-element/cors/025.html | 10 ++ .../track/track-element/cors/026.html | 10 ++ .../track/track-element/cors/027.html | 10 ++ .../track/track-element/cors/028.html | 10 ++ .../track/track-element/cors/029.html | 10 ++ .../track/track-element/cors/030.html | 10 ++ .../track/track-element/cors/031.html | 10 ++ .../track/track-element/cors/032.html | 10 ++ .../track/track-element/cors/033.html | 10 ++ .../track/track-element/cors/034.html | 10 ++ .../track/track-element/cors/035.html | 10 ++ .../track/track-element/cors/036.html | 10 ++ .../track/track-element/cors/037.html | 10 ++ .../track/track-element/cors/038.html | 10 ++ .../track/track-element/cors/039.html | 10 ++ .../track/track-element/cors/040.html | 10 ++ .../track/track-element/cors/041.html | 10 ++ .../track/track-element/cors/042.html | 10 ++ .../track/track-element/cors/043.html | 10 ++ .../track/track-element/cors/044.html | 10 ++ .../track/track-element/cors/045.html | 10 ++ .../track/track-element/cors/046.html | 10 ++ .../track/track-element/cors/support/common.js | 144 +++++++++++++++++++++ .../track-element/cors/support/cors-tester.py | 50 +++++++ .../track-element/cors/support/remove-cookie.html | 6 + .../track-element/cors/support/set-cookie.html | 6 + ...ack-element-src-aborted-load-onerror-crash.html | 21 +++ .../track-element/no-cuechange-before-play.html | 27 ++++ .../resources/align-positioning-bad.vtt | 20 +++ .../track-element/resources/align-positioning.vtt | 20 +++ .../resources/align-text-line-position-bad.vtt | 21 +++ .../resources/align-text-line-position.vtt | 28 ++++ .../track-element/resources/alignment-bad.vtt | 22 ++++ .../track-element/resources/alignment-ltr.vtt | 22 ++++ .../track/track-element/resources/alignment.vtt | 22 ++++ .../track/track-element/resources/bom.vtt | 10 ++ .../track-element/resources/captions-fast.vtt | 13 ++ .../track-element/resources/captions-gaps.vtt | 18 +++ .../track-element/resources/captions-html.vtt | 18 +++ .../track/track-element/resources/captions.vtt | 18 +++ .../track/track-element/resources/class-bad.vtt | 17 +++ .../track/track-element/resources/class.vtt | 14 ++ .../track/track-element/resources/cue-id-error.vtt | 14 ++ .../track/track-element/resources/cue-id.vtt | 18 +++ .../track-element/resources/cue-no-id-error.vtt | 14 ++ .../track/track-element/resources/cue-no-id.vtt | 11 ++ .../resources/cue-recovery-cuetext.vtt | 6 + .../resources/cue-recovery-header.vtt | 6 + .../track-element/resources/cue-recovery-note.vtt | 9 ++ .../track-element/resources/cue-size-align-bad.vtt | 18 +++ .../track-element/resources/cue-size-align.vtt | 19 +++ .../track/track-element/resources/cue-size-bad.vtt | 17 +++ .../track/track-element/resources/cue-size.vtt | 19 +++ .../track-element/resources/cues-chrono-order.vtt | 14 ++ .../track-element/resources/cues-no-separation.vtt | 11 ++ .../track-element/resources/cues-overlapping.vtt | 14 ++ .../track/track-element/resources/cues.vtt | 17 +++ .../track-element/resources/default-styles.vtt | 19 +++ .../track-element/resources/degenerate-cues.vtt | 5 + .../track/track-element/resources/empty-cue.vtt | 11 ++ .../track-element/resources/entities-wrong.vtt | 15 +++ .../track/track-element/resources/entities.vtt | 30 +++++ .../resources/interspersed-non-cue.vtt | 9 ++ .../track/track-element/resources/iso2022jp3.vtt | 10 ++ .../track-element/resources/large-timestamp.vtt | 5 + .../track-element/resources/line-position-bad.vtt | 30 +++++ .../track-element/resources/line-position.vtt | 37 ++++++ .../track/track-element/resources/markup-bad.vtt | 22 ++++ .../track/track-element/resources/markup.vtt | 22 ++++ .../track-element/resources/metadata-area.vtt | 14 ++ .../track/track-element/resources/metadata.vtt | 38 ++++++ .../track/track-element/resources/missed-cues.vtt | 31 +++++ .../track-element/resources/no-newline-at-eof.vtt | 6 + .../track/track-element/resources/no-timings.vtt | 13 ++ .../track/track-element/resources/no-webvtt.vtt | 10 ++ .../track-element/resources/positioning-bad.vtt | 39 ++++++ .../track-element/resources/positioning-ltr.vtt | 21 +++ .../track/track-element/resources/positioning.vtt | 21 +++ .../resources/settings-bad-separation.vtt | 20 +++ .../track/track-element/resources/settings.vtt | 18 +++ .../track-element/resources/simple-captions.vtt | 17 +++ .../track-element/resources/sorted-dispatch.vtt | 34 +++++ .../track-element/resources/timestamp-bad.vtt | 17 +++ .../track/track-element/resources/timestamp.vtt | 14 ++ .../track-element/resources/timings-hour-error.vtt | 22 ++++ .../track/track-element/resources/timings-hour.vtt | 14 ++ .../resources/timings-no-hour-errors.vtt | 22 ++++ .../track-element/resources/timings-no-hour.vtt | 18 +++ .../track-element/resources/timings-whitespace.vtt | 51 ++++++++ .../track/track-element/resources/track.de.vtt | 4 + .../track/track-element/resources/track.en.vtt | 4 + .../track/track-element/resources/track.fr.vtt | 4 + .../track/track-element/resources/track.vtt | 4 + .../track-element/resources/unsupported-markup.vtt | 23 ++++ .../track/track-element/resources/utf8.vtt | 10 ++ .../track/track-element/resources/valign-bad.vtt | 17 +++ .../track/track-element/resources/valign-ltr.vtt | 20 +++ .../track/track-element/resources/valign.vtt | 20 +++ .../track/track-element/resources/voice-bad.vtt | 17 +++ .../track/track-element/resources/voice.vtt | 15 +++ .../track-element/resources/vp8-vorbis-webvtt.webm | Bin 0 -> 143662 bytes .../track/track-element/resources/webvtt-file.vtt | 9 ++ .../track-element/resources/webvtt-rubbish.vtt | 10 ++ .../track/track-element/src-clear-cues.html | 52 ++++++++ .../track/track-element/src-empty-string.html | 21 +++ .../track/track-element/track-active-cues.html | 42 ++++++ .../track/track-element/track-add-remove-cue.html | 92 +++++++++++++ .../track/track-element/track-add-track.html | 34 +++++ .../track/track-element/track-addtrack-kind.html | 25 ++++ .../track/track-element/track-api-texttracks.html | 36 ++++++ .../track/track-element/track-change-event.html | 21 +++ .../track-element/track-css-cue-pseudo-class.html | 12 ++ .../track/track-element/track-cue-empty.html | 19 +++ .../track/track-element/track-cue-inline.html | 16 +++ .../track-element/track-cue-mutable-fragment.html | 85 ++++++++++++ .../track/track-element/track-cue-mutable.html | 99 ++++++++++++++ .../track-element/track-cue-negative-duration.html | 30 +++++ .../track-cue-negative-timestamp-events.html | 32 +++++ .../track-cue-negative-timestamp.html | 42 ++++++ .../track/track-element/track-cue-order.html | 83 ++++++++++++ ...ack-cue-rendering-after-controls-added-ref.html | 31 +++++ .../track-cue-rendering-after-controls-added.html | 37 ++++++ ...k-cue-rendering-after-controls-removed-ref.html | 29 +++++ ...track-cue-rendering-after-controls-removed.html | 34 +++++ .../track-cue-rendering-empty-cue.html | 16 +++ .../track-cue-rendering-line-doesnt-fit-ref.html | 32 +++++ .../track-cue-rendering-line-doesnt-fit.html | 32 +++++ .../track-cue-rendering-transformed-video-ref.html | 35 +++++ .../track-cue-rendering-transformed-video.html | 28 ++++ ...uechange-dynamically-created-track-element.html | 28 ++++ .../track/track-element/track-cues-cuechange.html | 41 ++++++ .../track/track-element/track-cues-enter-exit.html | 44 +++++++ .../track-element/track-cues-enter-seeking.html | 38 ++++++ .../track/track-element/track-cues-missed.html | 59 +++++++++ .../track-element/track-cues-pause-on-exit.html | 35 +++++ .../track/track-element/track-cues-seeking.html | 31 +++++ .../track-cues-sorted-before-dispatch.html | 48 +++++++ .../track/track-element/track-data-url.html | 30 +++++ .../track-element/track-default-attribute.html | 26 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.../track/track-element/track-mode.html | 76 +++++++++++ .../track/track-element/track-node-add-remove.html | 36 ++++++ .../track-element/track-remove-active-cue.html | 35 +++++ .../track-remove-by-setting-innerHTML.html | 31 +++++ .../track-remove-insert-ready-state.html | 38 ++++++ .../track/track-element/track-remove-quickly.html | 14 ++ .../track-element/track-remove-track-inband.html | 79 +++++++++++ .../track/track-element/track-remove-track.html | 39 ++++++ .../track-element/track-selection-metadata.html | 33 +++++ .../track-element/track-selection-task-order.html | 36 ++++++ .../track-element/track-text-track-cue-list.html | 29 +++++ .../track/track-element/track-texttracks.html | 44 +++++++ .../track-webvtt-align-positioning.html | 52 ++++++++ .../track-webvtt-align-text-line-position.html | 54 ++++++++ .../track-element/track-webvtt-alignment.html | 31 +++++ .../track-element/track-webvtt-blank-lines.html | 26 ++++ .../track/track-element/track-webvtt-bom.html | 34 +++++ .../track-element/track-webvtt-class-markup.html | 56 ++++++++ .../track-webvtt-cue-identifiers.html | 27 ++++ .../track-element/track-webvtt-cue-no-id.html | 19 +++ .../track-element/track-webvtt-cue-recovery.html | 19 +++ .../track-element/track-webvtt-cue-size-align.html | 26 ++++ .../track/track-element/track-webvtt-cue-size.html | 26 ++++ .../track-webvtt-degenerate-cues.html | 16 +++ .../track-element/track-webvtt-empty-cue.html | 10 ++ .../track/track-element/track-webvtt-entities.html | 42 ++++++ .../track-element/track-webvtt-header-comment.html | 50 +++++++ .../track-webvtt-interspersed-non-cue.html | 15 +++ .../track-element/track-webvtt-line-position.html | 58 +++++++++ .../track-element/track-webvtt-magic-header.html | 57 ++++++++ .../track/track-element/track-webvtt-markup.html | 90 +++++++++++++ .../track/track-element/track-webvtt-newlines.html | 26 ++++ .../track-element/track-webvtt-no-timings.html | 17 +++ .../track-webvtt-non-snap-to-lines-ref.html | 29 +++++ .../track-webvtt-non-snap-to-lines.html | 24 ++++ .../track-element/track-webvtt-positioning.html | 35 +++++ .../track/track-element/track-webvtt-settings.html | 28 ++++ .../track-element/track-webvtt-timestamp.html | 36 ++++++ .../track-element/track-webvtt-timings-hour.html | 61 +++++++++ .../track-webvtt-timings-no-hours.html | 67 ++++++++++ .../track-webvtt-timings-whitespace.html | 25 ++++ ...-webvtt-two-cue-layout-after-first-end-ref.html | 25 ++++ ...rack-webvtt-two-cue-layout-after-first-end.html | 26 ++++ .../track-webvtt-unsupported-markup.html | 37 ++++++ .../track/track-element/track-webvtt-utf8.html | 57 ++++++++ .../track/track-element/track-webvtt-valign.html | 28 ++++ .../track/track-element/track-webvtt-voice.html | 54 ++++++++ .../track-element/vtt-cue-float-precision.html | 28 ++++ 227 files changed, 5861 insertions(+) create mode 100644 testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cloneNode.html create mode 100644 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+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/011.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/011.html new file mode 100644 index 0000000000..6d0fae6de7 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/011.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/012.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/012.html new file mode 100644 index 0000000000..110497b494 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/012.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/013.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/013.html new file mode 100644 index 0000000000..d2a9ddb193 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/013.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/014.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/014.html new file mode 100644 index 0000000000..a1d6a8b295 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/014.html @@ -0,0 +1,10 @@ + +track CORS: No CORS, same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/015.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/015.html new file mode 100644 index 0000000000..2850a24e17 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/015.html @@ -0,0 +1,10 @@ + +track CORS: No CORS, same-origin, with headers, redirects to same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/016.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/016.html new file mode 100644 index 0000000000..5cd5a85d43 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/016.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/017.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/017.html new file mode 100644 index 0000000000..0ec5bc3291 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/017.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/018.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/018.html new file mode 100644 index 0000000000..f639d043a3 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/018.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/019.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/019.html new file mode 100644 index 0000000000..45e1291c92 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/019.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, with headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/020.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/020.html new file mode 100644 index 0000000000..e1153b6813 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/020.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/021.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/021.html new file mode 100644 index 0000000000..ec2e9d8bb4 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/021.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, with headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/022.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/022.html new file mode 100644 index 0000000000..e8fb0c3d43 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/022.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, with headers, redirects to same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/023.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/023.html new file mode 100644 index 0000000000..ac9bb35465 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/023.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/024.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/024.html new file mode 100644 index 0000000000..302340022d --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/024.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, with headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/025.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/025.html new file mode 100644 index 0000000000..5cbe8528e2 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/025.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, with headers, redirects to same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/026.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/026.html new file mode 100644 index 0000000000..c8386ffff3 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/026.html @@ -0,0 +1,10 @@ + +track CORS: No CORS, same-origin, with headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/027.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/027.html new file mode 100644 index 0000000000..5fe4760e66 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/027.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/028.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/028.html new file mode 100644 index 0000000000..6019d37b63 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/028.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, with headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/029.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/029.html new file mode 100644 index 0000000000..7fa85456de --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/029.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, no headers, redirects to not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/030.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/030.html new file mode 100644 index 0000000000..f7abf3b1ed --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/030.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, with headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/031.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/031.html new file mode 100644 index 0000000000..d709d0bc42 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/031.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, no headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/032.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/032.html new file mode 100644 index 0000000000..62b1008a41 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/032.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, with headers, redirects to not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/033.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/033.html new file mode 100644 index 0000000000..215cae2419 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/033.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, not same-origin, with headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/034.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/034.html new file mode 100644 index 0000000000..bebb43ba8c --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/034.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, no headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/035.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/035.html new file mode 100644 index 0000000000..a17fb7dfc1 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/035.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, with headers, redirects to not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/036.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/036.html new file mode 100644 index 0000000000..52411177ea --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/036.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, not same-origin, with headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/037.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/037.html new file mode 100644 index 0000000000..675b913a13 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/037.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to not same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/038.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/038.html new file mode 100644 index 0000000000..a29b2bdead --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/038.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, with headers, redirects to not same-origin, with headers, redirects to same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/039.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/039.html new file mode 100644 index 0000000000..fcd4871ddb --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/039.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to not same-origin, with headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/040.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/040.html new file mode 100644 index 0000000000..3c819684c4 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/040.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, no headers, redirects to not same-origin, no headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/041.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/041.html new file mode 100644 index 0000000000..f0f81953fc --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/041.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, with headers, redirects to not same-origin, with headers, redirects to same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/042.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/042.html new file mode 100644 index 0000000000..c1ffa5f1ea --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/042.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, no headers, redirects to not same-origin, with headers, redirects to same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/043.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/043.html new file mode 100644 index 0000000000..09072a9895 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/043.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to same-origin, no headers, redirects to not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/044.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/044.html new file mode 100644 index 0000000000..0d4a9fefbd --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/044.html @@ -0,0 +1,10 @@ + +track CORS: Anonymous, same-origin, no headers, redirects to same-origin, no headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/045.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/045.html new file mode 100644 index 0000000000..7151364f9c --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/045.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, no headers, redirects to same-origin, no headers, redirects to not same-origin, no headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/046.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/046.html new file mode 100644 index 0000000000..e286462814 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/046.html @@ -0,0 +1,10 @@ + +track CORS: Use Credentials, same-origin, no headers, redirects to same-origin, no headers, redirects to not same-origin, with headers + + +
+ + + diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js new file mode 100644 index 0000000000..e30c627149 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/common.js @@ -0,0 +1,144 @@ +setup(function(){ + window.id = token(); + var p = document.createElement('p'); + p.innerHTML = 'Test id: '+id+''; + document.body.appendChild(p); + window.actual = {event:null, requests:[]}; + window.errors = []; + window.origin = location.protocol+'//'+location.host; + window.escapedOrigin = encodeURIComponent(origin); + window.sameOriginURL = "http://{{domains[]}}:{{ports[http][0]}}" + location.pathname.replace(/\/[^\/]+$/, '/'); + window.otherOriginURL = "http://{{domains[www1]}}:{{ports[http][0]}}" + location.pathname.replace(/\/[^\/]+$/, '/'); +}, {timeout:10000, explicit_done:true}); + +onload = function() { + (async_test()).step(function() { + // fail early if track isn't supported + assert_true('HTMLTrackElement' in window, 'track not supported'); + window.corsMode = document.title.match(/^track CORS: (No CORS|Anonymous|Use Credentials)/)[1]; + var requests_tmp = document.title.substr(('track CORS: '+corsMode+', ').length).split(/, redirects to /g); + window.requests = []; + requests_tmp.forEach(function(r) { + var parts = r.split(', '); + requests.push({sameOrigin:parts[0] == 'same-origin', withHeaders:parts[1] == 'with headers'}); + }); + if (document.title.indexOf('not same-origin') > -1) { + window.hasCrossDomainCookie = true; + this.step(setCrossDomainCookie); + } else { + window.hasCrossDomainCookie = false; + this.step(loadTrack); + } + }); + done(); +}; + +function setCrossDomainCookie() { + var iframe = document.createElement('iframe'); + iframe.onload = this.step_func(loadTrack); + iframe.src = otherOriginURL + 'support/set-cookie.html#'+id; + document.body.appendChild(iframe); +} + +function loadTrack() { + var video = document.createElement('video'); + window.track = document.createElement('track'); + if (corsMode == 'Anonymous') + video.setAttribute('crossorigin', 'anonymous'); + else if (corsMode == 'Use Credentials') + video.setAttribute('crossorigin', 'use-credentials'); + // else No CORS, omit the crossorigin attribute + video.appendChild(track); + document.body.appendChild(video); + track.track.mode = 'showing'; + document.cookie = id+'=yes;path=/;max-age=10'; + var url = ''; + var r; + while (r = requests.pop()) { + url = (r.sameOrigin ? sameOriginURL : otherOriginURL) + + 'support/cors-tester.py?id=' + id + + (r.withHeaders ? '&origin=' + escapedOrigin : '') + + (url === '' ? '' : '&redirect=' + encodeURIComponent(url)); + } + track.src = url; + track.onerror = track.onload = this.step_func(function(e) { + actual.event = e.type; + var xhr = new XMLHttpRequest(); + xhr.open('GET', 'support/cors-tester.py?read=true&id=' + id, true); + xhr.onload = this.step_func(function() { + if (xhr.status == 200) { + var lines = xhr.responseText.split('\n'); + lines.forEach(function(line) { + var chunks = line.split(' | '); + var current = {}; + actual.requests.push(current); + chunks.forEach(function(chunk) { + var nameval = chunk.split(' = '); + var name = nameval[0]; + var value = nameval[1]; + current[name] = value; + }); + }); + } else if (xhr.status == 404) { + //No stash was found + } else { + errors.push('got unexpected xhr status: '+xhr.status); + } + this.step(removeCookies); + }); + xhr.onerror = this.step_func(function() { + errors.push('got xhr error'); + this.step(removeCookies); + }); + xhr.send(); + }); +} + +function removeCookies() { + document.cookie = id+'=;path=/;max-age=0'; + var nextStep = checkData; + if (hasCrossDomainCookie) { + var iframe = document.createElement('iframe'); + iframe.onload = this.step_func(nextStep); + iframe.src = otherOriginURL + 'support/cors-tester.py?delete-cookie&id=' + id; + document.body.appendChild(iframe); + } else { + this.step(nextStep); + } +} + +function removeLog() { + var xhr = new XMLHttpRequest(); + xhr.open('GET', 'support/cors-tester.py?cleanup&id='+id, true); + xhr.onload = this.step_func(function() { + assert_equals(xhr.responseText, 'OK', 'failed to clean up log: '+id); + this.step(checkData); + }); + xhr.onerror = this.step_func(function() { + assert_unreached('failed to clean up log: '+id); + }); + xhr.send(); +} + +function checkData() { + assert_equals(errors.length, 0, errors); + try { + if (actual.event == 'load' && expected.event == 'error') + assert_unreached('Security problem: got load event but expected error event'); + assert_object_equals(actual, expected); + } catch(ex) { + var style = document.createElement('style'); + style.textContent = '.json-diffs td { vertical-align:top } .json-diffs pre { margin:0 }'; + document.head.appendChild(style); + var table = document.createElement('table'); + table.border = ""; + table.className = 'json-diffs'; + table.innerHTML = 'ActualExpected
';
+        table.getElementsByTagName('pre')[0].textContent = JSON.stringify(actual, null, 2);
+        table.getElementsByTagName('pre')[1].textContent = JSON.stringify(expected, null, 2);
+        document.body.insertBefore(table, document.getElementById('log'));
+        throw ex;
+    }
+    assert_equals(track.track.cues.length, expected.event == 'load' ? 1 : 0, 'track.track.cues.length');
+    this.done();
+}
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/cors-tester.py b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/cors-tester.py
new file mode 100644
index 0000000000..ad1cce1922
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/cors-tester.py
@@ -0,0 +1,50 @@
+from wptserve.handlers import HTTPException
+
+def main(request, response):
+    if request.method != u"GET":
+        raise HTTPException(400, message=u"Method was not GET")
+
+    if not b"id" in request.GET:
+        raise HTTPException(400, message=u"No id")
+
+    id = request.GET[b'id']
+    if b"read" in request.GET:
+        data = request.server.stash.take(id)
+        if data is None:
+            response.set_error(404, u"Tried to read data not yet set")
+            return
+        return [(b"Content-Type", b"text/plain")], data
+
+    elif b"cleanup" in request.GET:
+        request.server.stash.take(id)
+        return b"OK"
+
+    elif b"delete-cookie" in request.GET:
+        response.delete_cookie(id)
+        return [(b"Content-Type", b"text/plain")], b"OK"
+
+    if b"origin" in request.GET:
+        response.headers.set(b'Access-Control-Allow-Origin', request.GET[b'origin'])
+        response.headers.set(b'Access-Control-Allow-Credentials', b'true')
+
+    cors = request.headers.get(b"origin", b"no")
+
+    cookie = request.cookies.first(id, None)
+    cookie_value = cookie.value if cookie is not None else b"no"
+
+    line = b'cors = ' + cors + b' | cookie = ' + cookie_value
+
+    data = request.server.stash.take(id)
+    if data is not None:
+        line = data + b"\n" + line
+
+    request.server.stash.put(id, line)
+
+    if b"redirect" in request.GET:
+        response.status = 302
+        response.headers.set(b'Location', request.GET[b'redirect'])
+    else:
+        return b"""WEBVTT
+
+00:00:00.000 --> 00:00:10.000
+Test"""
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/remove-cookie.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/remove-cookie.html
new file mode 100644
index 0000000000..00430e3f0e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/remove-cookie.html
@@ -0,0 +1,6 @@
+
+Remove cookie from location.hash
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/set-cookie.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/set-cookie.html
new file mode 100644
index 0000000000..cc1c926386
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/cors/support/set-cookie.html
@@ -0,0 +1,6 @@
+
+Set cookie from location.hash
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/crashtests/track-element-src-aborted-load-onerror-crash.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/crashtests/track-element-src-aborted-load-onerror-crash.html
new file mode 100644
index 0000000000..9db5ef0748
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/crashtests/track-element-src-aborted-load-onerror-crash.html
@@ -0,0 +1,21 @@
+
+HTMLTrackElement 'src' attribute changed, load pending, 'error' handler mutates
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/no-cuechange-before-play.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/no-cuechange-before-play.html
new file mode 100644
index 0000000000..cd53914ecd
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/no-cuechange-before-play.html
@@ -0,0 +1,27 @@
+
+Ensure that the 'cuechange' event is not fired before video playback has begun.
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-positioning-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-positioning-bad.vtt
new file mode 100644
index 0000000000..ff4c3fb5cd
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-positioning-bad.vtt
@@ -0,0 +1,20 @@
+WEBVTT
+Either one or both of positioning and alignment values are invalid.
+
+1
+00:00:00.000 --> 00:00:30.500 position:10% align: start
+Bear is Coming!!!!!
+Positioning on the left bottom, middle aligned,
+because the alignment is mistyped.
+
+2
+00:00:31.000 --> 00:00:45.500 position:200% align:middle
+I said Bear is coming!!!!
+Positioning on the bottom middle, middle aligned,
+because the positioning is off.
+
+3
+00:01:01.000 --> 00:02:00.500 position:-80% align:ends
+I said Bear is coming now!!!!
+Positioning on the bottom middle, middle aligned,
+because both the alignment and positioning don't apply.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-positioning.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-positioning.vtt
new file mode 100644
index 0000000000..a6e6af2ef9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-positioning.vtt
@@ -0,0 +1,20 @@
+WEBVTT
+Cues should position at different horizontal positions with different alignments.
+
+1
+00:00:00.000 --> 00:00:30.500 position:10% align:start
+Bear is Coming!!!!!
+Positioning on the left bottom, start aligned, and
+first character rendering position is at 10% of width.
+
+2
+00:00:31.000 --> 00:00:45.500 position:20% align:middle
+I said Bear is coming!!!!
+Positioning on the bottom left, middle aligned, and
+middle character rendering position of each line is at 20% of width.
+
+3
+00:01:01.000 --> 00:02:00.500 align:end position:80%
+I said Bear is coming now!!!!
+Positioning on the bottom right, end aligned, and
+last character rendering position of each line is at 80% of width.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position-bad.vtt
new file mode 100644
index 0000000000..b196f13a20
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position-bad.vtt
@@ -0,0 +1,21 @@
+WEBVTT
+One or more of line/text positioning and alignment values are invalid (settings are ignored).
+
+1
+00:00:00.000 --> 00:00:30.500  position: 0% align: start line: 0%
+Bear is Coming!!!!!
+None of the cue settings will be applied, just the default.
+
+2
+00:00:31.000 --> 00:00:01.500 position:0% align:end line:-30%
+I said Bear is coming!!!!
+The line position setting is ignored.
+No text is visible though because it's off-screen at position
+0 and the last character is at position 0%.
+
+3
+00:01:01.000 --> 00:01:30.000 line:-3 align:middler position:60%
+I said Bear is coming now!!!!
+Positioning on line 3 from the viewport bottom, middle aligned,
+with middle character of cue at 60% width.
+The alignment is ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position.vtt
new file mode 100644
index 0000000000..dd3a6debb8
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/align-text-line-position.vtt
@@ -0,0 +1,28 @@
+WEBVTT
+Cues with valid alignment, line and text position settings.
+
+1
+00:00:00.000 --> 00:00:15.000  position:10% align:start line:0%
+Bear is Coming!!!!!
+Positioning on the top of the viewport at 10% horizontally,
+start aligned.
+
+00:00:15.500 --> 00:00:30.500 line:0 align:start
+Bear is Coming!!!!!
+This is line 0, middle aligned, first character at 50% width.
+
+2
+00:00:31.000 --> 00:00:45.500 position:80% line:80%
+I said Bear is coming!!!!
+Middle aligned, middle of cue's character is at 80% width and 80% height.
+
+00:00:46.000 --> 00:01:00.500 line:5 align:end position:30%
+I said Bear is coming!!!!
+This is line 6 from the top of the video viewport,
+end aligned with last character at 30% of viewport width.
+
+3
+00:01:01.000 --> 00:01:30.000 line:-3 align:middle position:60%
+I said Bear is coming now!!!!
+Positioning on line 3 from the viewport bottom, middle aligned,
+with middle character of cue at 60% width.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment-bad.vtt
new file mode 100644
index 0000000000..5beb376f45
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment-bad.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+Cue alignment may only be start, middle, or end.  These are all misspelled and so will default to middle.
+
+1
+00:00:00.000 --> 00:00:30.500 align:starta
+Bear is Coming!!!!!
+Erroneous alignment value -> middle.
+
+2
+00:00:31.000 --> 00:01:00.500 align:-start
+I said Bear is coming!!!!
+Erroneous alignment value --> middle.
+
+3
+00:01:01.000 --> 00:02:00.500 align: end
+I said Bear is coming now!!!!
+Erroneous alignment value with surplus whitespace --> middle.
+
+4
+00:02:01.000 --> 100:20:00.500 align:piugjk
+I said Bear is coming now!!!!
+Erroneous alignment value -> middle.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment-ltr.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment-ltr.vtt
new file mode 100644
index 0000000000..673b29ac85
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment-ltr.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+Cue alignment may be start, middle, or end (default is middle).
+
+1
+00:00:00.000 --> 00:00:30.500 align:start
+الدب قادم!!!!!
+بدء محاذاته.
+
+2
+00:00:31.000 --> 00:01:00.500 align:middle
+قلت الدب قادم!!
+محاذاة الوسط.
+
+3
+00:01:01.000 --> 00:02:00.500 align:end
+قلت الدب قادم الآن!!
+محاذاة الغاية.
+
+4
+00:02:01.000 --> 100:20:00.500
+قلت الدب قادم الآن!!
+الافتراضية هي محاذاة الوسط.
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment.vtt
new file mode 100644
index 0000000000..ad7792f772
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/alignment.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+Cue alignment may be start, middle, or end (default is middle).
+
+1
+00:00:00.000 --> 00:00:30.500 align:start
+Bear is Coming!!!!!
+Start align.
+
+2
+00:00:31.000 --> 00:01:00.500 align:middle
+I said Bear is coming!!!!
+Middle align.
+
+3
+00:01:01.000 --> 00:02:00.500 align:end
+I said Bear is coming now!!!!
+End align.
+
+4
+00:02:01.000 --> 100:20:00.500
+I said Bear is coming now!!!!
+Default is middle alignment.
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/bom.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/bom.vtt
new file mode 100644
index 0000000000..0c8de32bcb
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/bom.vtt
@@ -0,0 +1,10 @@
+WEBVTT FILE
+A BOM character at the start of a file should be ignored.
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:20:00.500
+I said Bear is coming!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-fast.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-fast.vtt
new file mode 100644
index 0000000000..7fe5b1241a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-fast.vtt
@@ -0,0 +1,13 @@
+WEBVTT
+
+1
+00:00:00.000 --> 00:00:00.300
+Lorem
+
+2
+00:00:00.300 --> 00:00:01.300
+ipsum
+
+3
+00:00:01.800 --> 00:00:02.800
+dolor
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-gaps.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-gaps.vtt
new file mode 100644
index 0000000000..44c74665c2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-gaps.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+
+1
+00:00:01.000 --> 00:00:02.000
+Lorem ipsum dolor sit amet,
+
+2
+00:00:03.000 --> 00:00:04.000
+consectetuer adipiscing elit,
+
+3
+00:00:05.000 --> 00:00:06.000
+sed diam nonummy nibh euismod tincidunt
+
+4
+00:00:07.000 --> 00:00:08.000
+ut laoreet dolore magna aliquam erat volutpat.
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-html.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-html.vtt
new file mode 100644
index 0000000000..0730f8bc40
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions-html.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+
+1
+00:00:00.000 --> 00:00:01.000
+Lorem ipsum dolor sit amet,
+
+2
+00:00:03.000 --> 00:00:04.000
+consectetuer adipiscing elit,
+
+3
+00:00:05.000 --> 00:00:06.000
+sed diam nonummy nibh euismod tincidunt
+
+4
+00:00:07.000 --> 00:00:08.000
+ut laoreet dolore magna aliquam erat volutpat.
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions.vtt
new file mode 100644
index 0000000000..787c430868
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/captions.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+
+1
+00:00:00.000 --> 00:00:01.000
+Lorem
+
+2
+00:00:01.000 --> 00:00:02.000
+ipsum
+
+3
+00:00:02.000 --> 00:00:03.000
+dolor
+
+4
+00:00:03.000 --> 00:00:04.000
+sit
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/class-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/class-bad.vtt
new file mode 100644
index 0000000000..650ea2c496
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/class-bad.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+Invalid  class markup.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+Bear is Coming!!!!!
+The space signified an annotation start.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+I said Bear is coming!!!!
+Probably should only allow characters that CSS allows in class names.
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+I said Bear is coming now!!!!
+Probably should only allow characters that CSS allows in class names.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/class.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/class.vtt
new file mode 100644
index 0000000000..ea3ef623f5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/class.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Cue text fragment with  class markup is mapped to HTML  element with CSS classes.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+I said Bear is coming!!!!
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+I said Bear is coming now!!!!
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-id-error.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-id-error.vtt
new file mode 100644
index 0000000000..2b5db0c1da
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-id-error.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Cue identifiers cannot contain the string "-->".
+
+-->random_id
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+another random identifier-->
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+
+identifier-->too
+00:01:01.000 --> 00:20:00.500
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-id.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-id.vtt
new file mode 100644
index 0000000000..3902118620
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-id.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+Random text is accepted for cue identifiers.
+
+random_id
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+another random identifier
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+
+identifier--too
+00:01:01.000 --> 00:02:00.500
+I said Bear is coming now!!!!
+
+identifier--too
+00:02:01.000 --> 00:03:00.500
+Duplicate identifier
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-no-id-error.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-no-id-error.vtt
new file mode 100644
index 0000000000..111bae6344
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-no-id-error.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Cue identifiers cannot contain "-->".  Whole cue is ignored.
+
+-->
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+-->
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+
+-->
+00:01:01.000 --> 00:20:00.500
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-no-id.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-no-id.vtt
new file mode 100644
index 0000000000..0d52a70ee4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-no-id.vtt
@@ -0,0 +1,11 @@
+WEBVTT
+Cues don't have to have identifiers.
+
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+
+00:01:01.000 --> 00:20:00.500
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-cuetext.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-cuetext.vtt
new file mode 100644
index 0000000000..88f56cceca
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-cuetext.vtt
@@ -0,0 +1,6 @@
+WEBVTT
+
+00:00.000 --> 00:01.000
+Valid cue 1
+00:02.000 --> 00:03.000
+Valid cue 2
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-header.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-header.vtt
new file mode 100644
index 0000000000..205955e3e4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-header.vtt
@@ -0,0 +1,6 @@
+WEBVTT
+00:00.000 --> 00:01.000
+Valid cue 1
+
+00:02.000 --> 00:03.000
+Valid cue 2
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-note.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-note.vtt
new file mode 100644
index 0000000000..56defcc48b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-recovery-note.vtt
@@ -0,0 +1,9 @@
+WEBVTT
+
+00:00.000 --> 00:01.000
+Valid cue 1
+
+NOTE about something
+NOTE or something else - maybe an identifier
+00:02.000 --> 00:03.000
+Valid cue 2
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-align-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-align-bad.vtt
new file mode 100644
index 0000000000..5e4a61a5e4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-align-bad.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+Either size or alignment are invalid.
+
+1
+00:00:00.000 --> 00:00:30.500 size:100% align:@start
+Bear is Coming!!!!!
+Box for the cue is 100% of the video viewport width, alignment is ignored.
+
+2
+00:00:31.000 --> 00:01:00.500 size:-10% align:end
+I said Bear is coming!!!!
+Box for the cue is as big as the text, no line wrapping,
+(except if viewport is too small) and end aligned.
+
+3
+00:01:01.000 --> 00:02:00.500 size:110% align:@end
+I said Bear is coming now!!!!
+Both cue size and alignment are ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-align.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-align.vtt
new file mode 100644
index 0000000000..6d36536539
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-align.vtt
@@ -0,0 +1,19 @@
+WEBVTT
+Valid cue size with alignment settings.
+
+1
+00:00:00.000 --> 00:00:30.500 size:100% align:start
+Bear is Coming!!!!!
+Box for the cue is 100% of the video viewport width
+and because of the start align, all text is left aligned on the video viewport.
+
+2
+00:00:31.000 --> 00:01:00.500 size:10% align:end
+I said Bear is coming!!!!
+Box for the cue is 10% of the video viewport width, which will mean that automatic line wrapping will happen
+and the text is aligned to the end.
+
+3
+00:01:01.000 --> 00:02:00.500 size:0% align:middle
+I said Bear is coming now!!!!
+Cue text box size of 0 is acceptable, even if not visible.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-bad.vtt
new file mode 100644
index 0000000000..700600d7a7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size-bad.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+Invalid cue sizes (all settings are ignored).
+
+1
+00:00:00.000 --> 00:00:30.500 size:	50%
+Bear is Coming!!!!!
+Cue size setting doesn't parse and is ignored.
+
+2
+00:00:31.000 --> 00:01:00.500 size:-10%
+I said Bear is coming!!!!
+Negative cue size setting is not acceptable and is ignored.
+
+3
+00:01:01.000 --> 00:02:00.500 size:4000%
+I said Bear is coming now!!!!
+Cue size beyond 100% is not acceptable and is ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size.vtt
new file mode 100644
index 0000000000..017d59a18b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cue-size.vtt
@@ -0,0 +1,19 @@
+WEBVTT
+Valid cue size values.
+
+1
+00:00:00.000 --> 00:00:30.500 size:100%
+Bear is Coming!!!!!
+Box for the cue is 100% of the video viewport width,
+exemplified through background color,
+even if the text needs less.
+
+2
+00:00:31.000 --> 00:01:00.500 size:10%
+I said Bear is coming!!!!
+Box for the cue is 10% of the video viewport width, which will mean that automatic line wrapping will happen.
+
+3
+00:01:01.000 --> 00:02:00.500 size:0%
+I said Bear is coming now!!!!
+Cue text box size of 0 is acceptable, even if not visible.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-chrono-order.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-chrono-order.vtt
new file mode 100644
index 0000000000..fd6d484f88
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-chrono-order.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Cues that have overlapping time ranges.
+
+1
+00:00:01.000 --> 00:00:02.000
+Bear is Coming!!!!!
+
+2
+00:00:02.500 --> 00:00:03.500
+I said Bear is coming!!!!
+
+3
+00:00:04.000 --> 00:00:05.000
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-no-separation.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-no-separation.vtt
new file mode 100644
index 0000000000..9062c67ede
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-no-separation.vtt
@@ -0,0 +1,11 @@
+WEBVTT
+Cues must be separated by at least one blank line, otherwise treated like one big cue.
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+2
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+00:01:01.000 --> 100:20:00.500
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-overlapping.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-overlapping.vtt
new file mode 100644
index 0000000000..3f035d331f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues-overlapping.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Cues that have overlapping time ranges.
+
+1
+00:00:01.000 --> 00:00:06.000
+Bear is Coming!!!!!
+
+2
+00:00:01.500 --> 00:00:05.000
+I said Bear is coming!!!!
+
+3
+00:00:02.000 --> 00:00:05.000
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues.vtt
new file mode 100644
index 0000000000..125ed66785
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/cues.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+Cues may be separated by one or more blank lines.
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+
+2
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+
+
+
+3
+00:01:01.000 --> 100:20:00.500
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/default-styles.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/default-styles.vtt
new file mode 100644
index 0000000000..d890ca3f71
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/default-styles.vtt
@@ -0,0 +1,19 @@
+WEBVTT
+
+COMMENT-->
+this is a comment, that will parse as part of the header;
+the STYLE and DEFAULTS below are parsed as invalid cues
+
+STYLE-->
+::cue(.narration) { color: blue; }
+
+DEFAULTS -->
+line:-1 align:middle size:50%
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:20:00.500
+I said Bear is coming!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/degenerate-cues.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/degenerate-cues.vtt
new file mode 100644
index 0000000000..c04390420f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/degenerate-cues.vtt
@@ -0,0 +1,5 @@
+WEBVTT
+
+00:00.000 --> 00:01.000
+00:02.000 --> 00:03.000
+00:04.000 --> 00:05.000
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/empty-cue.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/empty-cue.vtt
new file mode 100644
index 0000000000..dbfde34b69
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/empty-cue.vtt
@@ -0,0 +1,11 @@
+WEBVTT
+Empty cues should not be discarded.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/entities-wrong.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/entities-wrong.vtt
new file mode 100644
index 0000000000..f45fee4793
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/entities-wrong.vtt
@@ -0,0 +1,15 @@
+WEBVTT
+Invalid use of < and > characters.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+This cue has a less than < character.
+It turns everything from there on into an annotation
+for an empty tag and ends only at the next > or & character.
+
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+This cue has a greater than > character.
+Since it's not related to a < character,
+it's just interpreted as text.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/entities.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/entities.vtt
new file mode 100644
index 0000000000..a8817954a6
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/entities.vtt
@@ -0,0 +1,30 @@
+WEBVTT
+Cue content with escape characters for &, <, >, LRM, RLM and non-breaking space.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+This cue has an ampersand & character.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+This cue has a less than < character.
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+This cue has a greater than > character.
+
+4
+00:02:01.000 --> 00:02:30.500 align:start position:20%
+This cue has a Left-to-Right Mark ‎.
+
+5
+00:02:31.000 --> 00:03:00.500 align:start position:20%
+This cue has a Right-to-Left Mark ‏.
+
+6
+00:03:01.000 --> 00:03:30.500 align:start position:20%
+This cue has a non-breaking space  .
+
+7
+00:03:31.000 --> 00:04:00.500
+This & is parsed to the same as &.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/interspersed-non-cue.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/interspersed-non-cue.vtt
new file mode 100644
index 0000000000..c825ab32e2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/interspersed-non-cue.vtt
@@ -0,0 +1,9 @@
+WEBVTT
+
+00:00.000 --> 00:01.000
+First
+
+Stray Id or other non-cue content
+
+00:02.000 --> 00:03.000
+Second
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/iso2022jp3.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/iso2022jp3.vtt
new file mode 100644
index 0000000000..10a1624386
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/iso2022jp3.vtt
@@ -0,0 +1,10 @@
+WEBVTT FILE
+Different encodings (iconv) should not be recognized as WebVTT a file.
+
+1
+00:00:00.000 --> 00:00:30.500
+$B7J5$H=CG(B
+
+2
+00:00:31.000 --> 00:20:00.500
+$BEENOITB-(B
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/large-timestamp.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/large-timestamp.vtt
new file mode 100644
index 0000000000..e6c18ce3bd
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/large-timestamp.vtt
@@ -0,0 +1,5 @@
+WEBVTT
+
+1
+1234567:00:00.000 --> 1234567890:00:00.000
+A very long cue.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position-bad.vtt
new file mode 100644
index 0000000000..3d52175729
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position-bad.vtt
@@ -0,0 +1,30 @@
+WEBVTT
+Invalid positioning values (all settings are ignored).
+
+1
+00:00:00.000 --> 00:00:15.000 line:-0%
+Bear is Coming!!!!!
+Negative percentages are not allowed.
+Line position is ignored.
+
+2
+00:00:31.000 --> 00:00:45.500 line:+50%
+I said Bear is coming!!!!
+Non-numbers are not allowed.
+Line position is ignored.
+
+00:00:46.000 --> 00:01:00.500 line:+5
+I said Bear is coming!!!!
+Plus sign is not allowed.
+Line position is ignored.
+
+3
+00:01:01.000 --> 00:01:30.000 line:10%0%
+I said Bear is coming now!!!!
+Doesn't parse into a percentage.
+Line position is ignored.
+
+00:01:31.000 --> 00:02:00.500 line:-10l
+I said Bear is coming now!!!!
+Doesn't parse into a number.
+Line position is ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position.vtt
new file mode 100644
index 0000000000..82f7e2a523
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/line-position.vtt
@@ -0,0 +1,37 @@
+WEBVTT
+Cues with valid vertical line positioning values.
+
+1
+00:00:00.000 --> 00:00:15.000 line:0%
+Bear is Coming!!!!!
+Positioning on the top of the viewport, in the middle.
+
+00:00:15.500 --> 00:00:30.500 line:0
+Bear is Coming!!!!!
+This is line 0.
+Positioning on the top of the viewport, in the middle.
+
+2
+00:00:31.000 --> 00:00:45.500 line:50%
+I said Bear is coming!!!!
+Positioning on the center of the video.
+
+
+00:00:46.000 --> 00:01:00.500 line:5
+I said Bear is coming!!!!
+This is line 6 from the top of the video viewport.
+
+3
+00:01:01.000 --> 00:01:30.000 line:100%
+I said Bear is coming now!!!!
+Positioning on the bottom middle.
+
+00:01:31.000 --> 00:02:00.500 line:-1
+I said Bear is coming now!!!!
+This is the first line at the bottom of the video viewport.
+Positioning on the bottom middle. Only 1 line shows.
+
+00:02:01.000 --> 00:02:30.000 line:500
+I said Bear is coming now!!!!
+This is legal,
+even though the line will likely not be within the video viewport.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/markup-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/markup-bad.vtt
new file mode 100644
index 0000000000..4ff7add2d7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/markup-bad.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+Cue text has invalid markup of , , ,  and .  Has a bad effect on the remainder of the cue.
+
+1
+00:00:00.000 --> 00:00:15.000 align:start position:20%
+The following bear starts bold but end is broken:
+Bear is Coming!!!!!
+
+00:00:15.500 --> 00:00:30.500 align:start position:20%
+The following bear is not in italics but the markup is removed:
+< i>Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+The following bear is not underlined and markup is removed:
+I said < u >Bear is coming!!!!
+
+3
+00:01:01.000 --> 00:01:30.000 align:start position:20%
+The following bear is not ruby annotated and markup is removed:
+I said Bearbear with me is coming!!!!
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/markup.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/markup.vtt
new file mode 100644
index 0000000000..252a599b5f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/markup.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+Cues with , , ,  and  tags (all valid).
+
+1
+00:00:00.000 --> 00:00:15.000 align:start position:20%
+The following bear is bold:
+Bear is Coming!!!!!
+
+00:00:15.500 --> 00:00:30.500 align:start position:20%
+The following bear is in italics and has a class of "larger":
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+The following bear is underlined even though the element has a blank:
+I said Bear is coming!!!!
+
+3
+00:01:01.000 --> 00:01:30.000 align:start position:20%
+The following bear is ruby annotated:
+I said Bearbear with me is coming!!!!
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/metadata-area.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/metadata-area.vtt
new file mode 100644
index 0000000000..255298aeb0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/metadata-area.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+This is where metadata would go and these lines should be skipped.
+author = silviapf@google.com
+COMMENT-->
+this is a comment, that will parse as part of the header;
+the STYLE and DEFAULTS below are parsed as invalid cues
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:20:00.500
+I said Bear is coming!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/metadata.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/metadata.vtt
new file mode 100644
index 0000000000..03d8cf4a1c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/metadata.vtt
@@ -0,0 +1,38 @@
+WEBVTT
+
+00:00:00.000 --> 00:00:01.000
+Lorem ipsum dolor sit amet,
+
+00:00:02.000 --> 00:00:03.000
+consectetuer adipiscing elit,
+
+00:00:04.000 --> 00:00:05.000
+sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
+
+00:00:06.000 --> 00:00:07.000
+Ut wisi enim ad minim veniam,
+
+00:00:08.000 --> 00:00:09.000
+quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
+
+00:00:10.000 --> 00:00:11.000
+Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat,
+
+00:00:12.000 --> 00:00:13.000
+vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio
+
+00:00:14.000 --> 00:00:15.000
+dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
+
+00:00:16.000 --> 00:00:17.000
+Nam liber tempor cum soluta nobis eleifend option congue nihil imperdiet doming id
+
+00:00:18.000 --> 00:00:19.000
+quod mazim placerat facer possim assum.
+
+00:00:20.000 --> 00:00:21.000
+Typi non habent claritatem insitam;
+
+00:00:22.000 --> 00:00:23.000
+est usus legentis in iis qui facit eorum claritatem.
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/missed-cues.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/missed-cues.vtt
new file mode 100644
index 0000000000..36e8366e90
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/missed-cues.vtt
@@ -0,0 +1,31 @@
+WEBVTT
+Events should be triggered for missed (skipped) cues during normal playback.
+
+1
+00:00:00.000 --> 00:00:01.500 align:start position:20%
+Bear is Coming!!!!!
+And what kind of a bear it is - just have look.
+
+2
+00:00:02.000 --> 00:00:02.500 align:start position:20%
+I said Bear is coming!!!!
+
+3
+00:00:05.500 --> 00:00:05.501 align:start position:20%
+I said Bear is coming now!!!!
+
+4
+00:00:05.700 --> 00:00:05.701 align:start position:20%
+This is the second missed cue in the test.
+
+5
+00:00:05.800 --> 00:00:05.800 align:start position:20%
+Third missed cue - zero-length cue.
+
+6
+00:00:05.850 --> 00:00:05.851 align:start position:20%
+Fourth missed cue.
+
+7
+00:00:05.950 --> 00:00:01.100
+Negative length cue. Should be treated correctly.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-newline-at-eof.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-newline-at-eof.vtt
new file mode 100644
index 0000000000..49e4e9051a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-newline-at-eof.vtt
@@ -0,0 +1,6 @@
+WEBVTT
+A file with no line terminator at the end should be fine (last cue should be recognized).
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-timings.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-timings.vtt
new file mode 100644
index 0000000000..4cb85b6df2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-timings.vtt
@@ -0,0 +1,13 @@
+WEBVTT
+Cues without timings are ignored.
+
+1
+00:00:00.000
+Bear is Coming!!!!!
+
+2
+00h:00m:31s.000ms
+I said Bear is coming!!!!
+
+3
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-webvtt.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-webvtt.vtt
new file mode 100644
index 0000000000..12053b2703
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/no-webvtt.vtt
@@ -0,0 +1,10 @@
+AWEBVTT FILE
+A file with wrong file header should not be recognized as a webvtt file.
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:20:00.500
+I said Bear is coming!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning-bad.vtt
new file mode 100644
index 0000000000..58ca6792be
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning-bad.vtt
@@ -0,0 +1,39 @@
+WEBVTT
+Invalid horizontal positioning values (all settings are ignored).
+
+1
+00:00:00.000 --> 00:00:15.500 position:-5%
+Bear is Coming!!!!!
+This would be off screen -> ignored.
+
+00:00:16.000 --> 00:00:30.500 position:150%
+Bear is Coming!!!!!
+This would be off screen -> ignored.
+
+2
+00:00:31.000 --> 00:00:45.500 position:50
+I said Bear is coming!!!!
+Missing percent sign -> ignored.
+
+2
+00:00:46.000 --> 00:01:00.500 position:50a%
+I said Bear is coming!!!!
+Surplus character between number and percent sign -> ignored.
+
+3
+00:01:01.000 --> 00:01:30.500 position:100%-fj
+I said Bear is coming now!!!!
+Surplus characters after percent sign -> ignored.
+
+
+00:01:31.000 --> 00:02:00.500 position:100asdf
+I said Bear is coming now!!!!
+Surplus characters and no percent sign -> ignored.
+
+00:02:01.000 --> 00:02:02.000 position:e50%
+I said Bear is coming now!!!!
+Surplus characters at beginning of size string -> ignored.
+
+00:02:02.100 --> 00:02:02.500 position:5g0%
+I said Bear is coming now!!!!
+Surplus characters in middle of size string -> ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning-ltr.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning-ltr.vtt
new file mode 100644
index 0000000000..b23a7446b7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning-ltr.vtt
@@ -0,0 +1,21 @@
+WEBVTT
+Valid horizontal positioning values.
+
+1
+00:00:00.000 --> 00:00:30.500 position:0%
+الدب قادم!!!!!
+تحديد المواقع في أسفل اليمين.
+
+2
+00:00:31.000 --> 00:00:45.500 position:50%
+قلت الدب قادم!!
+تحديد المواقع في منتصف القاع.
+
+00:00:46.000 --> 00:01:00.500
+قلت الدب قادم!!
+المواقع الافتراضية على منتصف أسفل تزال قائمة.
+
+3
+00:01:01.000 --> 00:02:00.500 position:100%
+قلت الدب قادم الآن!!
+غادر لتحديد المواقع في القاع.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning.vtt
new file mode 100644
index 0000000000..ccf6024da0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/positioning.vtt
@@ -0,0 +1,21 @@
+WEBVTT
+Valid horizontal positioning values.
+
+1
+00:00:00.000 --> 00:00:30.500 position:0%
+Bear is Coming!!!!!
+Positioning on the left bottom.
+
+2
+00:00:31.000 --> 00:00:45.500 position:50%
+I said Bear is coming!!!!
+Positioning on the bottom middle.
+
+00:00:46.000 --> 00:01:00.500
+I said Bear is coming!!!!
+Default positioning on the bottom middle still.
+
+3
+00:01:01.000 --> 00:02:00.500 position:100%
+I said Bear is coming now!!!!
+Positioning on the bottom right.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/settings-bad-separation.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/settings-bad-separation.vtt
new file mode 100644
index 0000000000..cbfe6ea6e9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/settings-bad-separation.vtt
@@ -0,0 +1,20 @@
+WEBVTT
+Cues settings may only be separated by spaces or tabs, but illegal characters
+between settings are ignored.
+
+1
+00:00:00.000 --> 00:00:30.500 - line:43% position:10% -
+Bear is Coming!!!!! Bad separator ignored.
+
+2
+00:00:31.000 --> 00:01:00.500 --> position:50% Vertical:lr align:end
+I said Bear is coming!!!! Bad separator and setting ignored.
+
+3
+00:01:01.000 --> 00:02:00.500  
+I said Bear is coming now!!!! Bad setting markup. Not ignored because the settings are
+not delimited by spaces or tabs.
+
+4
+00:02:01.000 --> 100:20:00.500 / vertical:lr | position:90%
+I said Bear is coming now!!!! Bad separator ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/settings.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/settings.vtt
new file mode 100644
index 0000000000..dd6b02296a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/settings.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+Cue settings may be separated by spaces or tabs.
+
+1
+00:00:00.000 --> 00:00:30.500 line:100% align:start
+Bear is Coming!!!!! One blank.
+
+2
+00:00:31.000 --> 00:01:00.500   position:40% vertical:rl line:15%
+I said Bear is coming!!!! Several blanks.
+
+3
+00:01:01.000 --> 00:02:00.500	align:middle position:10%
+I said Bear is coming now!!!! Tab separator.
+
+4
+00:02:01.000 --> 100:20:00.500		line:95%	vertical:lr align:end
+I said Bear is coming now!!!! Tab separators.
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/simple-captions.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/simple-captions.vtt
new file mode 100644
index 0000000000..9815b111da
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/simple-captions.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+
+0
+00:00:04.000 --> 00:00:04.500
+First cue
+
+1
+00:00:04.500 --> 00:00:05.000
+Lorem
+
+2
+00:00:05.000 --> 00:00:05.500
+ipsum
+
+3
+00:00:05.500 --> 00:00:05.501
+Missed cue with pause-on-exit
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/sorted-dispatch.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/sorted-dispatch.vtt
new file mode 100644
index 0000000000..438ea6abf9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/sorted-dispatch.vtt
@@ -0,0 +1,34 @@
+WEBVTT
+Enter and exit events should be dispatched in a sorted order according to their times.
+
+0
+00:00:04.000 --> 00:00:04.500
+Missed cue that should not be considered because of seeking.
+
+1
+00:00:05.100 --> 00:00:05.800 align:start position:20%
+Bear is Coming!!!!!
+
+2
+00:00:05.100 --> 00:00:05.101
+Missed cue 1
+
+3
+00:00:05.100 --> 00:00:05.301
+And what kind of a bear it is - just have look.
+
+4
+00:00:05.100 --> 00:00:05.101
+Missed Cue 2
+
+5
+00:00:05.300 --> 00:00:05.800 align:start position:20%
+I said Bear is coming!!!!
+
+6
+00:00:05.990 --> 00:00:05.993 align:start position:20%
+I said Bear is coming now!!!!
+
+7
+00:00:05.994 --> 00:00:05.998 align:start position:20%
+Bear is already here
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timestamp-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timestamp-bad.vtt
new file mode 100644
index 0000000000..4479cdb722
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timestamp-bad.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+Invalid  markup.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+This <00:00:05.000>cue <00:00:10.000>is <00:00:12.000>painted <00:00:08.000>on.
+But since the last two timestamps are out of order, they are ignored.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+I <00:00:20.000>said <00:00:22.000>Bear <00:00:24.000>is <00:00:26.000>coming!!!!
+All of these timestamps are before the start of the cue, so get ignored.
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+I <00:02:05.000>said <00:02:10.000>Bear <00:02:15.000>is <00:02:20.000>coming <00:02:25.000>now!!!!
+All of these timestamps are after the end of the cue, so get ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timestamp.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timestamp.vtt
new file mode 100644
index 0000000000..17d464bfed
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timestamp.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Paint-on text in cues with  markup.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+This <00:00:05.000>cue <00:00:10.000>is <00:00:15.000>painted <00:00:20.000>on.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+I <00:00:35.000>said <00:00:40.000>Bear <00:00:45.000>is <00:00:50.000>coming!!!!
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+I <00:01:05.000>said <00:01:10.000>Bear <00:01:15.000>is <00:01:20.000>coming <00:01:25.000>now!!!!
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-hour-error.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-hour-error.vtt
new file mode 100644
index 0000000000..c33f8a96c3
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-hour-error.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+These timings all have errors and all cues should be ignored.
+
+1
+00:00.00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:01:00:500
+I said Bear is coming!!!!
+
+3
+00:01:01.000 --> 00:120:00.500
+I said Bear is coming now!!!!
+
+4
+00:02:01.000 - 00:03:00.500
+I said Bear is coming now!!!!
+
+5
+00h:03m:01s.000ms --> 00h:03m:00s.500ms
+I said Bear is coming now!!!!
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-hour.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-hour.vtt
new file mode 100644
index 0000000000..b708b83338
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-hour.vtt
@@ -0,0 +1,14 @@
+WEBVTT
+Timings can optionally contain an hour.
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:01:00.500
+I said Bear is coming!!!!
+
+3
+00:01:01.000 --> 100:20:00.500
+I said Bear is coming now!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-no-hour-errors.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-no-hour-errors.vtt
new file mode 100644
index 0000000000..e4bf27d4e6
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-no-hour-errors.vtt
@@ -0,0 +1,22 @@
+WEBVTT
+These timings all have errors and all cues should be ignored.
+
+1
+00.00.000 --> 00:30.500
+Bear is Coming!!!!!
+
+2
+00:31.000 --> 01:00:500
+I said Bear is coming!!!!
+
+3
+01:01.000 --> 120:00.500
+I said Bear is coming now!!!!
+
+4
+01:01.000 - 02:00.500
+I said Bear is coming now!!!!
+
+5
+02:01.000 --> 03m:00.500
+I said Bear is coming now!!!!
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-no-hour.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-no-hour.vtt
new file mode 100644
index 0000000000..745c34ff9f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-no-hour.vtt
@@ -0,0 +1,18 @@
+WEBVTT
+The hour of a timestamp is optional.
+
+1
+00:00.000 --> 00:30.500
+Bear is Coming!!!!!
+
+2
+00:31.000 --> 01:00.500
+I said Bear is coming!!!!
+
+3
+01:01.000 --> 02:00.500
+I said Bear is coming now!!!!
+
+4
+02:01.000	-->	03:00.500
+tab separators
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-whitespace.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-whitespace.vtt
new file mode 100644
index 0000000000..9d9ac9a38a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/timings-whitespace.vtt
@@ -0,0 +1,51 @@
+WEBVTT
+Whitespace (U+0020, U+0009, U+000C) surrounding cue-timings separator ("-->") is optional
+
+1
+00:00:00.100 -->00:00:01.500
+Single U+0020 SPACE left of cue-timings separator
+
+2
+00:00:00.100--> 00:00:01.500
+Single U+0020 SPACE right of cue-timings separator
+
+3
+00:00:00.100	-->00:00:01.500
+Single U+0009 TAB left of cue-timings separator
+
+4
+00:00:00.100-->	00:00:01.500
+Single U+0009 TAB right of cue-timings separator
+
+5
+00:00:00.100-->00:00:01.500
+Single U+000C FORM FEED left of cue-timings separator
+
+6
+00:00:00.100-->00:00:01.500
+Single U+000C FORM FEED right of cue-timings separator
+
+7
+00:00:00.100   -->00:00:01.500
+Several U+0020 SPACE left of cue-timings separator
+
+8
+00:00:00.100-->   00:00:01.500
+Several U+0020 SPACE right of cue-timings separator
+
+9
+00:00:00.100			-->00:00:01.500
+Several U+0009 TAB left of cue-timings separator
+
+10
+00:00:00.100-->			00:00:01.500
+Several U+0009 TAB right of cue-timings separator
+
+11
+00:00:00.100-->00:00:01.500
+Several U+000C FORM FEED left of cue-timings separator
+
+12
+00:00:00.100-->00:00:01.500
+Several U+000C FORM FEED right of cue-timings separator
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.de.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.de.vtt
new file mode 100644
index 0000000000..9eaf3d31e4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.de.vtt
@@ -0,0 +1,4 @@
+WEBVTT
+
+00:00:00.000 --> 00:00:01.000
+German
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.en.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.en.vtt
new file mode 100644
index 0000000000..4241f35b56
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.en.vtt
@@ -0,0 +1,4 @@
+WEBVTT
+
+00:00:00.000 --> 00:00:01.000
+English
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.fr.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.fr.vtt
new file mode 100644
index 0000000000..5523224e0d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.fr.vtt
@@ -0,0 +1,4 @@
+WEBVTT
+
+00:00:00.000 --> 00:00:01.000
+french
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.vtt
new file mode 100644
index 0000000000..c916c0983b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/track.vtt
@@ -0,0 +1,4 @@
+WEBVTT
+
+00:00:00.000 --> 00:00:01.000
+test
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/unsupported-markup.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/unsupported-markup.vtt
new file mode 100644
index 0000000000..b4ea7ea09b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/unsupported-markup.vtt
@@ -0,0 +1,23 @@
+WEBVTT
+Any HTML markup that is not supported should be ignored.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+
Bear is Coming!!!!!

+
And what kind of a bear it is - just have look.

+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+
    
+  
  • I said Bear is coming!!!!
    • 
+  
  • I said Bear is still coming!!!!
    • 
+

+
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+
    
+  
  1. I said Bear is coming now!!!!
    2. 
+  
  2. mighty bear
    3. 
+  
    4. 
+

\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/utf8.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/utf8.vtt
new file mode 100644
index 0000000000..8dd8f27948
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/utf8.vtt
@@ -0,0 +1,10 @@
+WEBVTT
+UTF-8 encoded characters should be recognized.
+
+1
+00:00:00.000 --> 00:00:30.500
+景気判断
+
+2
+00:00:31.000 --> 00:20:00.500
+電力不足
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign-bad.vtt
new file mode 100644
index 0000000000..8e7b3b738d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign-bad.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+Invalid vertical direction settings (all settings are ignored).
+
+1
+00:00:00.000 --> 00:00:30.500 vertical:#vertical
+Bear is Coming!!!!!
+Normal rendering - direction setting is ignored.
+
+2
+00:00:31.000 --> 00:01:00.500 vertical:verticallr
+I said Bear is coming!!!!
+Normal rendering - direction setting is ignored.
+
+3
+00:01:01.000 --> 00:02:00.500 vertical:vertical-rl
+I said Bear is coming now!!!!
+Normal rendering - direction setting is ignored.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign-ltr.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign-ltr.vtt
new file mode 100644
index 0000000000..74838369d2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign-ltr.vtt
@@ -0,0 +1,20 @@
+WEBVTT
+Valid vertical direction settings.
+
+1
+00:00:00.000 --> 00:00:30.500 vertical:rl
+الدب قادم!!!!!
+يجعل على الجانب الأيمن من المعاينة الفيديو والمتوسطة الانحياز ،
+أسفل إلى أعلى، وتزايد اليسار.
+
+2
+00:00:31.000 --> 00:01:00.500 vertical:lr
+قلت الدب قادم!!
+يجعل على الجانب الأيسر من المعاينة الفيديو والمتوسطة الانحياز ،
+أسفل إلى أعلى، وتنامي اليمين.
+
+3
+00:01:01.000 --> 00:02:00.500 vertical:rl align:start position:0%
+قلت الدب قادم الآن!!
+يجعل على الجانب الأيمن من المعاينة الفيديو ، على حد سواء أسفل محاذاة
+لمربع جديلة والنص داخل النص ، من أسفل إلى أعلى، وتزايد اليسار.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign.vtt
new file mode 100644
index 0000000000..f757a365e3
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/valign.vtt
@@ -0,0 +1,20 @@
+WEBVTT
+Valid vertical direction settings.
+
+1
+00:00:00.000 --> 00:00:30.500 vertical:rl
+Bear is Coming!!!!!
+Renders on the right side of the video viewport, middle aligned,
+top to bottom, growing left.
+
+2
+00:00:31.000 --> 00:01:00.500 vertical:lr
+I said Bear is coming!!!!
+Renders on the left side of the video viewport, middle aligned,
+top to bottom, growing right.
+
+3
+00:01:01.000 --> 00:02:00.500 vertical:rl align:start position:0%
+I said Bear is coming now!!!!
+Renders on the right side of the video viewport, top aligned both
+for the cue box and the text within, text from top to bottom, growing left.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/voice-bad.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/voice-bad.vtt
new file mode 100644
index 0000000000..12ffdeb82e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/voice-bad.vtt
@@ -0,0 +1,17 @@
+WEBVTT
+Invalid  voice markup.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+< v Speaker>Bear is Coming!!!!!
+This is two annotations for an empty tag.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+I said Bear is coming!!!!
+This does not parse as a voice tag.
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+I said Bear is coming now!!!!
+This does not parse as a voice tag.
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/voice.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/voice.vtt
new file mode 100644
index 0000000000..d6cfc6887f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/voice.vtt
@@ -0,0 +1,15 @@
+WEBVTT
+Cue text fragment with  voice markup mapped to HTML  element with @title for annotation.
+
+1
+00:00:00.000 --> 00:00:30.500 align:start position:20%
+Bear is Coming!!!!!
+Text span with a class and an annotation.
+
+2
+00:00:31.000 --> 00:01:00.500 align:start position:20%
+I said Bear is coming!!!!
+
+3
+00:01:01.000 --> 00:02:00.500 align:start position:20%
+I said Bear is coming now!!!!
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/vp8-vorbis-webvtt.webm b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/vp8-vorbis-webvtt.webm
new file mode 100644
index 0000000000..c626f86e33
Binary files /dev/null and b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/vp8-vorbis-webvtt.webm differ
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/webvtt-file.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/webvtt-file.vtt
new file mode 100644
index 0000000000..0c1a5fb158
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/webvtt-file.vtt
@@ -0,0 +1,9 @@
+WEBVTT FILE
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:20:00.500
+I said Bear is coming!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/webvtt-rubbish.vtt b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/webvtt-rubbish.vtt
new file mode 100644
index 0000000000..dacc215409
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/resources/webvtt-rubbish.vtt
@@ -0,0 +1,10 @@
+WEBVTT asdfasdfauhio
+Rubbish after the WEBVTT header should be ignored.
+
+1
+00:00:00.000 --> 00:00:30.500
+Bear is Coming!!!!!
+
+2
+00:00:31.000 --> 00:20:00.500
+I said Bear is coming!!!!
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/src-clear-cues.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/src-clear-cues.html
new file mode 100644
index 0000000000..3ba8c9db88
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/src-clear-cues.html
@@ -0,0 +1,52 @@
+
+track element changing "track URL" and clearing cues
+
+
+

+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/src-empty-string.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/src-empty-string.html
new file mode 100644
index 0000000000..27c76b6be4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/src-empty-string.html
@@ -0,0 +1,21 @@
+
+Setting HTMLTrackElement.src to the empty string fires 'error' and sets readyState to ERROR
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-active-cues.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-active-cues.html
new file mode 100644
index 0000000000..a7c08a2e3e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-active-cues.html
@@ -0,0 +1,42 @@
+
+Ensure that no text track cues are active after the video is unloaded
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-add-remove-cue.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-add-remove-cue.html
new file mode 100644
index 0000000000..e738964001
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-add-remove-cue.html
@@ -0,0 +1,92 @@
+
+TextTrack's addCue and removeCue
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-add-track.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-add-track.html
new file mode 100644
index 0000000000..c924c92da9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-add-track.html
@@ -0,0 +1,34 @@
+
+'addtrack' event is fired when a TextTrack is created
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-addtrack-kind.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-addtrack-kind.html
new file mode 100644
index 0000000000..d058bf2987
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-addtrack-kind.html
@@ -0,0 +1,25 @@
+
+addTextTrack() only accepts known "kind" values
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-api-texttracks.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-api-texttracks.html
new file mode 100644
index 0000000000..b2840d235a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-api-texttracks.html
@@ -0,0 +1,36 @@
+
+
+
+Track element - text tracks API test
+
+
+
+
+
+
+
Track element and API Test

+

+    
+

+

+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-change-event.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-change-event.html
new file mode 100644
index 0000000000..7a17dee2a7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-change-event.html
@@ -0,0 +1,21 @@
+
+A 'change' event is fired when a TextTrack's mode changes
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-css-cue-pseudo-class.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-css-cue-pseudo-class.html
new file mode 100644
index 0000000000..d18f8b55cd
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-css-cue-pseudo-class.html
@@ -0,0 +1,12 @@
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-empty.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-empty.html
new file mode 100644
index 0000000000..59f8fc6c7b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-empty.html
@@ -0,0 +1,19 @@
+
+Invoke getCueAsHTML() on an empty cue
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-inline.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-inline.html
new file mode 100644
index 0000000000..3b4c3542a9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-inline.html
@@ -0,0 +1,16 @@
+
+Add a track and change its mode through JS
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-mutable-fragment.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-mutable-fragment.html
new file mode 100644
index 0000000000..713e781996
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-mutable-fragment.html
@@ -0,0 +1,85 @@
+
+Cue fragment is mutable
+
+
+
+
+
+
Fragment 1

+

+
Fragment 2

+

\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-mutable.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-mutable.html
new file mode 100644
index 0000000000..26a6b84f8a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-mutable.html
@@ -0,0 +1,99 @@
+
+Modifying attributes of a VTTCue
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-duration.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-duration.html
new file mode 100644
index 0000000000..e2f78900a7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-duration.html
@@ -0,0 +1,30 @@
+
+Enter, Exit events for a cue with negative duration
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-timestamp-events.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-timestamp-events.html
new file mode 100644
index 0000000000..ebd7877f78
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-timestamp-events.html
@@ -0,0 +1,32 @@
+
+Enter, Exit events for cues with negative timestamps
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-timestamp.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-timestamp.html
new file mode 100644
index 0000000000..5dc54ed25b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-negative-timestamp.html
@@ -0,0 +1,42 @@
+
+Negative timestamps
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-order.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-order.html
new file mode 100644
index 0000000000..58e11ebe70
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-order.html
@@ -0,0 +1,83 @@
+
+Text track cue order
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-added-ref.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-added-ref.html
new file mode 100644
index 0000000000..bd43c462dd
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-added-ref.html
@@ -0,0 +1,31 @@
+
+
+
+Text track cue layout after controls are added (reference)
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-added.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-added.html
new file mode 100644
index 0000000000..23c27e418e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-added.html
@@ -0,0 +1,37 @@
+
+
+
+
+Text track cue layout after controls are added
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-removed-ref.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-removed-ref.html
new file mode 100644
index 0000000000..96afaef346
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-removed-ref.html
@@ -0,0 +1,29 @@
+
+
+
+Text track cue layout after controls are removed (reference)
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-removed.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-removed.html
new file mode 100644
index 0000000000..76019c9b41
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-after-controls-removed.html
@@ -0,0 +1,34 @@
+
+
+
+
+Text track cue layout after controls are removed
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-empty-cue.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-empty-cue.html
new file mode 100644
index 0000000000..427189f6fc
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-empty-cue.html
@@ -0,0 +1,16 @@
+
+Empty cues
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-line-doesnt-fit-ref.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-line-doesnt-fit-ref.html
new file mode 100644
index 0000000000..8354041eb2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-line-doesnt-fit-ref.html
@@ -0,0 +1,32 @@
+
+
+
+
+

+  
+  
PAS

+

diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-line-doesnt-fit.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-line-doesnt-fit.html
new file mode 100644
index 0000000000..d3dcee1037
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-line-doesnt-fit.html
@@ -0,0 +1,32 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-transformed-video-ref.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-transformed-video-ref.html
new file mode 100644
index 0000000000..39461350b0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-transformed-video-ref.html
@@ -0,0 +1,35 @@
+
+
+
+
+

+  
+  
XXX

+

+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-transformed-video.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-transformed-video.html
new file mode 100644
index 0000000000..69ca92e845
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cue-rendering-transformed-video.html
@@ -0,0 +1,28 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-cuechange-dynamically-created-track-element.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-cuechange-dynamically-created-track-element.html
new file mode 100644
index 0000000000..f990bc8c72
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-cuechange-dynamically-created-track-element.html
@@ -0,0 +1,28 @@
+
+'cuechange' event on dynamically created track element
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-cuechange.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-cuechange.html
new file mode 100644
index 0000000000..2593401771
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-cuechange.html
@@ -0,0 +1,41 @@
+
+TextTrack's cues are indexed and updated in order during video playback
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-enter-exit.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-enter-exit.html
new file mode 100644
index 0000000000..2d49c21178
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-enter-exit.html
@@ -0,0 +1,44 @@
+
+TextTrack's cues are indexed and updated in order during video playback
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-enter-seeking.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-enter-seeking.html
new file mode 100644
index 0000000000..ae56e16205
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-enter-seeking.html
@@ -0,0 +1,38 @@
+
+TextTrack's cue onenter handler called when seeked onto
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-missed.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-missed.html
new file mode 100644
index 0000000000..2acae212d2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-missed.html
@@ -0,0 +1,59 @@
+
+Events are triggered for missed (skipped) cues during normal playback
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-pause-on-exit.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-pause-on-exit.html
new file mode 100644
index 0000000000..eaf7e2a1d4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-pause-on-exit.html
@@ -0,0 +1,35 @@
+
+Video is paused after cues having pause-on-exit flag are processed
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-seeking.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-seeking.html
new file mode 100644
index 0000000000..99cd2d550e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-seeking.html
@@ -0,0 +1,31 @@
+
+TextTrack's activeCues are indexed and updated during video playback
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-sorted-before-dispatch.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-sorted-before-dispatch.html
new file mode 100644
index 0000000000..edc202f435
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-cues-sorted-before-dispatch.html
@@ -0,0 +1,48 @@
+
+All events are triggered in chronological order
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-data-url.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-data-url.html
new file mode 100644
index 0000000000..26ff90d56d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-data-url.html
@@ -0,0 +1,30 @@
+
+track element data: URL
+
+
+

+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-default-attribute.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-default-attribute.html
new file mode 100644
index 0000000000..3e8c547fc3
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-default-attribute.html
@@ -0,0 +1,26 @@
+
+A track with the "default" attribute loads automatically
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-delete-during-setup.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-delete-during-setup.html
new file mode 100644
index 0000000000..ce9f73335a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-delete-during-setup.html
@@ -0,0 +1,29 @@
+
+Track deletion during setup
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-disabled-addcue.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-disabled-addcue.html
new file mode 100644
index 0000000000..038e6f6ba7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-disabled-addcue.html
@@ -0,0 +1,33 @@
+
+Adding cues to a disabled text track
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-disabled.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-disabled.html
new file mode 100644
index 0000000000..d517b9d12c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-disabled.html
@@ -0,0 +1,28 @@
+
+Disabling a track
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-dom-change.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-dom-change.html
new file mode 100644
index 0000000000..ff447f33f2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-dom-change.html
@@ -0,0 +1,16 @@
+
+Simple DOM mutations with track element
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-aborted-load.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-aborted-load.html
new file mode 100644
index 0000000000..234e087313
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-aborted-load.html
@@ -0,0 +1,19 @@
+
+HTMLTrackElement 'src' attribute changed, load pending
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change-error.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change-error.html
new file mode 100644
index 0000000000..dd97d0522d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change-error.html
@@ -0,0 +1,86 @@
+
+HTMLTrackElement 'src' attribute mutations
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html
new file mode 100644
index 0000000000..f3c78668b4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html
@@ -0,0 +1,55 @@
+
+HTMLTrackElement 'src' attribute mutations
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-helpers.js b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-helpers.js
new file mode 100644
index 0000000000..09c85dd7bc
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-helpers.js
@@ -0,0 +1,83 @@
+function enableAllTextTracks(textTracks) {
+    for (var i = 0; i < textTracks.length; i++) {
+        var track = textTracks[i];
+        if (track.mode == "disabled")
+            track.mode = "hidden";
+    }
+}
+
+function assert_cues_equal(cues, expected) {
+    assert_equals(cues.length, expected.length);
+    for (var i = 0; i < cues.length; i++) {
+        assert_equals(cues[i].id, expected[i].id);
+        assert_equals(cues[i].startTime, expected[i].startTime);
+        assert_equals(cues[i].endTime, expected[i].endTime);
+        assert_equals(cues[i].text, expected[i].text);
+    }
+}
+
+function assert_cues_match(cues, expected) {
+    assert_equals(cues.length, expected.length);
+    for (var i = 0; i < cues.length; i++) {
+        var cue = cues[i];
+        var expectedItem = expected[i];
+        for (var property of Object.getOwnPropertyNames(expectedItem))
+            assert_equals(cue[property], expectedItem[property]);
+    }
+}
+
+function assert_cues_html_content(cues, expected) {
+    assert_equals(cues.length, expected.length);
+    for (var i = 0; i < cues.length; i++) {
+        var expectedItem = expected[i];
+        var property = Object.getOwnPropertyNames(expectedItem)[0];
+        var propertyValue = expectedItem[property];
+        assert_equals(propertyValue(cues[i]), expectedItem.expected);
+    }
+}
+
+function check_cues_from_track(src, func) {
+    async_test(function(t) {
+        var video = document.createElement("video");
+        var trackElement = document.createElement("track");
+        trackElement.src = src;
+        trackElement.default = true;
+        video.appendChild(trackElement);
+
+        trackElement.onload = t.step_func_done(function() {
+            func(trackElement.track);
+        });
+    }, "Check cues from " + src);
+}
+
+function assert_cue_fragment(cue, children) {
+    var fragment = createFragment(children);
+    assert_true(fragment.isEqualNode(cue.getCueAsHTML()));
+}
+
+function assert_cue_fragment_as_textcontent(cue, children) {
+    var fragment = createFragment(children);
+    assert_equals(cue.getCueAsHTML().textContent, fragment.textContent);
+}
+
+function createFragment(children) {
+    var fragment = document.createDocumentFragment();
+    cloneChildrenToFragment(fragment, children);
+    return fragment;
+}
+
+function cloneChildrenToFragment(root, children) {
+    for (var child of children) {
+        var childElement;
+        if (child.type == "text") {
+            childElement = document.createTextNode(child.value);
+        } else {
+            childElement = document.createElement(child.type);
+            var styles = child.style || {};
+            for (var attr of Object.getOwnPropertyNames(styles))
+                childElement[attr] = styles[attr];
+            cloneChildrenToFragment(childElement, child.value);
+        }
+        root.appendChild(childElement);
+    }
+}
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-id.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-id.html
new file mode 100644
index 0000000000..f0223fda64
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-id.html
@@ -0,0 +1,25 @@
+
+TextTrack "id" attribute
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-insert-after-load.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-insert-after-load.html
new file mode 100644
index 0000000000..28b4f82688
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-insert-after-load.html
@@ -0,0 +1,14 @@
+
+Inserting a track element immediately after video load
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-large-timestamp.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-large-timestamp.html
new file mode 100644
index 0000000000..bae1852cf8
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-large-timestamp.html
@@ -0,0 +1,19 @@
+
+Very large timestamp is parsed correctly
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-error-readyState.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-error-readyState.html
new file mode 100644
index 0000000000..8e232bff53
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-error-readyState.html
@@ -0,0 +1,15 @@
+
+Error event on HTMLTrackElement and ERROR readyState on TextTrack
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-from-element-readyState.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-from-element-readyState.html
new file mode 100644
index 0000000000..62a68f6543
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-from-element-readyState.html
@@ -0,0 +1,15 @@
+
+Load event on HTMLTrackElement and LOADED readyState on TextTrack when src is set on the element
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-from-src-readyState.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-from-src-readyState.html
new file mode 100644
index 0000000000..e569eeb96f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-load-from-src-readyState.html
@@ -0,0 +1,20 @@
+
+Load event on HTMLTrackElement and LOADED readyState on TextTrack when src is set from JavaScript
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html
new file mode 100644
index 0000000000..6b46bf4e34
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-disabled.html
@@ -0,0 +1,34 @@
+
+Cues are properly removed from the active cue list when their track changes mode to disabled
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-not-changed-by-new-track.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-not-changed-by-new-track.html
new file mode 100644
index 0000000000..3ec47a39e2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-not-changed-by-new-track.html
@@ -0,0 +1,74 @@
+
+A track appended after the initial track configuration does not change other tracks
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-triggers-loading.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-triggers-loading.html
new file mode 100644
index 0000000000..2e29d70469
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode-triggers-loading.html
@@ -0,0 +1,37 @@
+
+A "metadata" track does not load automatically, but it does load when the mode is changed
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode.html
new file mode 100644
index 0000000000..206ac9968f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-mode.html
@@ -0,0 +1,76 @@
+
+TextTrack mode attribute
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-node-add-remove.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-node-add-remove.html
new file mode 100644
index 0000000000..2708879424
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-node-add-remove.html
@@ -0,0 +1,36 @@
+
+Add and remove track node
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-active-cue.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-active-cue.html
new file mode 100644
index 0000000000..176e0065c5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-active-cue.html
@@ -0,0 +1,35 @@
+
+Removing an active cue
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-by-setting-innerHTML.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-by-setting-innerHTML.html
new file mode 100644
index 0000000000..95929bc83f
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-by-setting-innerHTML.html
@@ -0,0 +1,31 @@
+
+Removing a track by setting video.innerHTML doesn't crash
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-insert-ready-state.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-insert-ready-state.html
new file mode 100644
index 0000000000..1c854aca0e
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-insert-ready-state.html
@@ -0,0 +1,38 @@
+
+Attaching a media element again to the document, having a child track that failed loading doesn't block video from playing
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-quickly.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-quickly.html
new file mode 100644
index 0000000000..4be040c5f8
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-quickly.html
@@ -0,0 +1,14 @@
+
+Removing a track element before it has been processed doesn't crash
+
+
+
+

+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-track-inband.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-track-inband.html
new file mode 100644
index 0000000000..7dcfe68318
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-track-inband.html
@@ -0,0 +1,79 @@
+
+
+    
+        
+
+        
+        
+        
+    
+    
+        
+    
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-track.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-track.html
new file mode 100644
index 0000000000..d5695cd302
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-track.html
@@ -0,0 +1,39 @@
+
+
+    
+        
+
+        
+        
+        
+    
+    
+        
+    
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-metadata.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-metadata.html
new file mode 100644
index 0000000000..c4d88a35f0
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-metadata.html
@@ -0,0 +1,33 @@
+
+Multiple 'metadata' tracks with 'default'
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-task-order.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-task-order.html
new file mode 100644
index 0000000000..522d067adf
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-selection-task-order.html
@@ -0,0 +1,36 @@
+
+HTMLTrackElement Text Track Selection Task Order
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-text-track-cue-list.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-text-track-cue-list.html
new file mode 100644
index 0000000000..73241ce0d4
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-text-track-cue-list.html
@@ -0,0 +1,29 @@
+
+TextTrackCueList functionality: length, operator[], and getCueById()
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-texttracks.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-texttracks.html
new file mode 100644
index 0000000000..4d006fcefb
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-texttracks.html
@@ -0,0 +1,44 @@
+
+TextTracks in a TextTrackList are kept in the correct order
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-align-positioning.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-align-positioning.html
new file mode 100644
index 0000000000..07ebfd622b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-align-positioning.html
@@ -0,0 +1,52 @@
+
+Cue text position and alignment from settings
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-align-text-line-position.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-align-text-line-position.html
new file mode 100644
index 0000000000..deb389916a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-align-text-line-position.html
@@ -0,0 +1,54 @@
+
+Cue alignment, line and text position from settings
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-alignment.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-alignment.html
new file mode 100644
index 0000000000..e8f47e876a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-alignment.html
@@ -0,0 +1,31 @@
+
+Cue alignment from settings
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-blank-lines.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-blank-lines.html
new file mode 100644
index 0000000000..114aebc38c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-blank-lines.html
@@ -0,0 +1,26 @@
+
+Cues are affected neither by multiple newlines \n, \r, and \r\n nor by the absence of a seperating line
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-bom.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-bom.html
new file mode 100644
index 0000000000..c138f96af5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-bom.html
@@ -0,0 +1,34 @@
+
+Parser properly ignores a UTF-8 BOM character at the beginning of a file and all other cues are properly parsed
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-class-markup.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-class-markup.html
new file mode 100644
index 0000000000..ecc5a57497
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-class-markup.html
@@ -0,0 +1,56 @@
+
+Tests cues with class markup <c>.
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-identifiers.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-identifiers.html
new file mode 100644
index 0000000000..02b0a15187
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-identifiers.html
@@ -0,0 +1,27 @@
+
+Any text other than "-->" is recognized as optional cue identifier
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-no-id.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-no-id.html
new file mode 100644
index 0000000000..b2f4b77083
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-no-id.html
@@ -0,0 +1,19 @@
+
+Empty cue identifiers, but having "-->" leads to discarded cue
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-recovery.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-recovery.html
new file mode 100644
index 0000000000..6a104916b7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-recovery.html
@@ -0,0 +1,19 @@
+
+A cue is recovered when a line with a "-->" is encountered without blank line separator
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-size-align.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-size-align.html
new file mode 100644
index 0000000000..a1243a95e7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-size-align.html
@@ -0,0 +1,26 @@
+
+Cue size and alignment from settings
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-size.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-size.html
new file mode 100644
index 0000000000..d8e03edce7
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-cue-size.html
@@ -0,0 +1,26 @@
+
+Cue size from settings
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-degenerate-cues.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-degenerate-cues.html
new file mode 100644
index 0000000000..8d2569993c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-degenerate-cues.html
@@ -0,0 +1,16 @@
+
+Degenerate cues without separating blank lines
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-empty-cue.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-empty-cue.html
new file mode 100644
index 0000000000..e1f5570250
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-empty-cue.html
@@ -0,0 +1,10 @@
+
+Empty cues should not be discarded
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-entities.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-entities.html
new file mode 100644
index 0000000000..a5295795ef
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-entities.html
@@ -0,0 +1,42 @@
+
+Entities in the cue text
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-header-comment.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-header-comment.html
new file mode 100644
index 0000000000..f9b35576f3
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-header-comment.html
@@ -0,0 +1,50 @@
+
+Optional comment area under the "WEBVTT" file header is properly ignored and also, default settings and styling are currently ignored (treated as faulty cues)
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-interspersed-non-cue.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-interspersed-non-cue.html
new file mode 100644
index 0000000000..2287cc2830
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-interspersed-non-cue.html
@@ -0,0 +1,15 @@
+
+An empty line after an identifier line discards the current cue and restarts the cue loop
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-line-position.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-line-position.html
new file mode 100644
index 0000000000..bea4acb917
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-line-position.html
@@ -0,0 +1,58 @@
+
+Cue line position from settings
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-magic-header.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-magic-header.html
new file mode 100644
index 0000000000..ff4637a8a5
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-magic-header.html
@@ -0,0 +1,57 @@
+
+Magic file header "WEBVTT" leads to the file properly recognized as a WebVTT file
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-markup.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-markup.html
new file mode 100644
index 0000000000..ceb05dd450
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-markup.html
@@ -0,0 +1,90 @@
+
+Cues with <b>, <i>, <u>, <rt> and <ruby> tags
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-newlines.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-newlines.html
new file mode 100644
index 0000000000..4da7e6b1b9
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-newlines.html
@@ -0,0 +1,26 @@
+
+A cue with no newline at eof is parsed properly
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-no-timings.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-no-timings.html
new file mode 100644
index 0000000000..a39a2c37aa
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-no-timings.html
@@ -0,0 +1,17 @@
+
+Cue without timings are ignored
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-non-snap-to-lines-ref.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-non-snap-to-lines-ref.html
new file mode 100644
index 0000000000..137a9334f2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-non-snap-to-lines-ref.html
@@ -0,0 +1,29 @@
+
+
+Reference test for track-webvtt-non-snap-to-lines.html
+
+
+
+

+  
+  Bear is Coming!!!!!
+

+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-non-snap-to-lines.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-non-snap-to-lines.html
new file mode 100644
index 0000000000..ec350ff44d
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-non-snap-to-lines.html
@@ -0,0 +1,24 @@
+
+
+Position is not adjusted for non snap-to-lines cues
+
+
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-positioning.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-positioning.html
new file mode 100644
index 0000000000..d14a5768d3
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-positioning.html
@@ -0,0 +1,35 @@
+
+Cue text position from settings
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-settings.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-settings.html
new file mode 100644
index 0000000000..9ad98ffa1a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-settings.html
@@ -0,0 +1,28 @@
+
+WebVTT settings
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timestamp.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timestamp.html
new file mode 100644
index 0000000000..e311f121f2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timestamp.html
@@ -0,0 +1,36 @@
+
+Cues with <timestamps> tags
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-hour.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-hour.html
new file mode 100644
index 0000000000..c03e182c79
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-hour.html
@@ -0,0 +1,61 @@
+
+Cue timings and various syntax errors in timings, with hours
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-no-hours.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-no-hours.html
new file mode 100644
index 0000000000..e81ae03cc2
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-no-hours.html
@@ -0,0 +1,67 @@
+
+Cue timings and various syntax errors in timings, without hours
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-whitespace.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-whitespace.html
new file mode 100644
index 0000000000..db1346d23a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-timings-whitespace.html
@@ -0,0 +1,25 @@
+
+"Skip whitespace" step around cue-timings separator
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-two-cue-layout-after-first-end-ref.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-two-cue-layout-after-first-end-ref.html
new file mode 100644
index 0000000000..1c8f751c2c
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-two-cue-layout-after-first-end-ref.html
@@ -0,0 +1,25 @@
+
+
+WebVTT two-cue layout after the first cue has ended (reference)
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-two-cue-layout-after-first-end.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-two-cue-layout-after-first-end.html
new file mode 100644
index 0000000000..df816ffe2b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-two-cue-layout-after-first-end.html
@@ -0,0 +1,26 @@
+
+
+WebVTT two-cue layout after the first cue has ended
+
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-unsupported-markup.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-unsupported-markup.html
new file mode 100644
index 0000000000..ed3107f89b
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-unsupported-markup.html
@@ -0,0 +1,37 @@
+
+Unsupported markup is properly ignored
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-utf8.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-utf8.html
new file mode 100644
index 0000000000..eb44c85ba8
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-utf8.html
@@ -0,0 +1,57 @@
+
+
+UTF-8 encoded characters are recognized properly and different encodings (iconv) are not recognized as a WebVTT file
+
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-valign.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-valign.html
new file mode 100644
index 0000000000..ace0760740
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-valign.html
@@ -0,0 +1,28 @@
+
+Cue vertical alignment (direction) from settings
+
+
+
+
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-voice.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-voice.html
new file mode 100644
index 0000000000..5df8b4057a
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-webvtt-voice.html
@@ -0,0 +1,54 @@
+
+Cues with voice markup <v>
+
+
+
+
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/vtt-cue-float-precision.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/vtt-cue-float-precision.html
new file mode 100644
index 0000000000..9cb5824279
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/vtt-cue-float-precision.html
@@ -0,0 +1,28 @@
+
+Float precision of VTTCue attributes line, position and size
+
+
+

+
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