Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

42 files changed, 827 insertions, 0 deletions

diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-computed.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-computed.html.ini
new file mode 100644
index 0000000000..6644ad484a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-computed.html.ini
@@ -0,0 +1,207 @@
+[scroll-start-computed.html]
+  [Property scroll-start value 'start']
+    expected: FAIL
+
+  [Property scroll-start value 'start start']
+    expected: FAIL
+
+  [Property scroll-start value '100px']
+    expected: FAIL
+
+  [Property scroll-start value '50%']
+    expected: FAIL
+
+  [Property scroll-start value 'center']
+    expected: FAIL
+
+  [Property scroll-start value '100px 200px']
+    expected: FAIL
+
+  [Property scroll-start value '50% 100px']
+    expected: FAIL
+
+  [Property scroll-start value 'start 50%']
+    expected: FAIL
+
+  [Property scroll-start value 'center start']
+    expected: FAIL
+
+  [Property scroll-start value 'end center']
+    expected: FAIL
+
+  [Property scroll-start value 'top end']
+    expected: FAIL
+
+  [Property scroll-start value 'bottom top']
+    expected: FAIL
+
+  [Property scroll-start value 'left bottom']
+    expected: FAIL
+
+  [Property scroll-start value 'right left']
+    expected: FAIL
+
+  [Property scroll-start value 'auto right']
+    expected: FAIL
+
+  [Property scroll-start value 'calc(1px)']
+    expected: FAIL
+
+  [Property scroll-start value 'calc(1px) start']
+    expected: FAIL
+
+  [Property scroll-start-block value '100px']
+    expected: FAIL
+
+  [Property scroll-start-block value '50%']
+    expected: FAIL
+
+  [Property scroll-start-block value 'start']
+    expected: FAIL
+
+  [Property scroll-start-block value 'center']
+    expected: FAIL
+
+  [Property scroll-start-block value 'end']
+    expected: FAIL
+
+  [Property scroll-start-block value 'top']
+    expected: FAIL
+
+  [Property scroll-start-block value 'bottom']
+    expected: FAIL
+
+  [Property scroll-start-block value 'left']
+    expected: FAIL
+
+  [Property scroll-start-block value 'right']
+    expected: FAIL
+
+  [Property scroll-start-block value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-block value 'calc(-1px)']
+    expected: FAIL
+
+  [Property scroll-start-inline value '100px']
+    expected: FAIL
+
+  [Property scroll-start-inline value '50%']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'start']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'center']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'end']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'top']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'bottom']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'left']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'right']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-inline value 'calc(-1px)']
+    expected: FAIL
+
+  [Property scroll-start-x value '100px']
+    expected: FAIL
+
+  [Property scroll-start-x value '50%']
+    expected: FAIL
+
+  [Property scroll-start-x value 'start']
+    expected: FAIL
+
+  [Property scroll-start-x value 'center']
+    expected: FAIL
+
+  [Property scroll-start-x value 'end']
+    expected: FAIL
+
+  [Property scroll-start-x value 'top']
+    expected: FAIL
+
+  [Property scroll-start-x value 'bottom']
+    expected: FAIL
+
+  [Property scroll-start-x value 'left']
+    expected: FAIL
+
+  [Property scroll-start-x value 'right']
+    expected: FAIL
+
+  [Property scroll-start-x value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-x value 'calc(-1px)']
+    expected: FAIL
+
+  [Property scroll-start-y value '100px']
+    expected: FAIL
+
+  [Property scroll-start-y value '50%']
+    expected: FAIL
+
+  [Property scroll-start-y value 'start']
+    expected: FAIL
+
+  [Property scroll-start-y value 'center']
+    expected: FAIL
+
+  [Property scroll-start-y value 'end']
+    expected: FAIL
+
+  [Property scroll-start-y value 'top']
+    expected: FAIL
+
+  [Property scroll-start-y value 'bottom']
+    expected: FAIL
+
+  [Property scroll-start-y value 'left']
+    expected: FAIL
+
+  [Property scroll-start-y value 'right']
+    expected: FAIL
+
+  [Property scroll-start-y value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-y value 'calc(-1px)']
+    expected: FAIL
+
+  [scroll-start-block maps to scroll-start-y in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-inline maps to scroll-start-x in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-x maps to scroll-start-inline in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-y maps to scroll-start-block in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-block maps to scroll-start-x in vertical writing mode.]
+    expected: FAIL
+
+  [scroll-start-inline maps to scroll-start-y in vertical writing mode.]
+    expected: FAIL
+
+  [scroll-start-x maps to scroll-start-block in vertical writing mode.]
+    expected: FAIL
+
+  [scroll-start-y maps to scroll-start-inline in vertical writing mode.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-shorthand.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-shorthand.html.ini
new file mode 100644
index 0000000000..570ffb1a7f
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-shorthand.html.ini
@@ -0,0 +1,108 @@
+[scroll-start-shorthand.html]
+  [e.style['scroll-start'\] = "100px" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50%" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50%" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50%" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 200px" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 200px" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 200px" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 50%" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 50%" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 50%" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px center" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px center" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px center" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 200px" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 200px" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 200px" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 25%" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 25%" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 25%" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% center" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% center" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% center" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center 200px" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center 200px" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center 200px" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center 25%" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center 25%" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center 25%" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center end" should set scroll-start-block]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center end" should set scroll-start-inline]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center end" should not set unrelated longhands]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-computed.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-computed.html.ini
new file mode 100644
index 0000000000..ea04291bb9
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-computed.html.ini
@@ -0,0 +1,48 @@
+[scroll-start-target-computed.html]
+  [Property scroll-start-target-block value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-target-block value 'none']
+    expected: FAIL
+
+  [Property scroll-start-target-inline value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-target-inline value 'none']
+    expected: FAIL
+
+  [Property scroll-start-target-x value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-target-x value 'none']
+    expected: FAIL
+
+  [Property scroll-start-target-y value 'auto']
+    expected: FAIL
+
+  [Property scroll-start-target-y value 'none']
+    expected: FAIL
+
+  [scroll-start-block maps to scroll-start-y in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-inline maps to scroll-start-x in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-x maps to scroll-start-inline in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-y maps to scroll-start-block in horizontal writing mode.]
+    expected: FAIL
+
+  [scroll-start-block maps to scroll-start-x in vertical writing mode.]
+    expected: FAIL
+
+  [scroll-start-inline maps to scroll-start-y in vertical writing mode.]
+    expected: FAIL
+
+  [scroll-start-x maps to scroll-start-block in vertical writing mode.]
+    expected: FAIL
+
+  [scroll-start-y maps to scroll-start-inline in vertical writing mode.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-shorthand.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-shorthand.html.ini
new file mode 100644
index 0000000000..c227173549
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-shorthand.html.ini
@@ -0,0 +1,36 @@
+[scroll-start-target-shorthand.html]
+  [e.style['scroll-start-target'\] = "none" should set scroll-start-target-block]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "none" should set scroll-start-target-inline]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "none" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto" should set scroll-start-target-block]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto" should set scroll-start-target-inline]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "none auto" should set scroll-start-target-block]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "none auto" should set scroll-start-target-inline]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "none auto" should not set unrelated longhands]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto none" should set scroll-start-target-block]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto none" should set scroll-start-target-inline]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto none" should not set unrelated longhands]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-valid.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-valid.html.ini
new file mode 100644
index 0000000000..a86da3ddef
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-target-valid.html.ini
@@ -0,0 +1,36 @@
+[scroll-start-target-valid.html]
+  [e.style['scroll-start-target'\] = "none" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "none auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target'\] = "auto none" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-block'\] = "none" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-block'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-inline'\] = "none" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-inline'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-x'\] = "none" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-x'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-y'\] = "none" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-target-y'\] = "auto" should set the property value]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-valid.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-valid.html.ini
new file mode 100644
index 0000000000..349b8c4c71
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/parsing/scroll-start-valid.html.ini
@@ -0,0 +1,177 @@
+[scroll-start-valid.html]
+  [e.style['scroll-start'\] = "start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "start start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50%" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "100px 200px" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "50% 100px" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "start 50%" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "center start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "end center" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "top end" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "bottom top" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "left bottom" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "right left" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "auto right" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start'\] = "calc(1px) auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "100px" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "50%" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "center" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "end" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "top" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "bottom" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "left" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "right" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-block'\] = "calc(-1px)" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "100px" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "50%" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "center" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "end" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "top" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "bottom" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "left" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "right" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-inline'\] = "calc(-1px)" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "100px" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "50%" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "center" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "end" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "top" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "bottom" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "left" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "right" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-x'\] = "calc(-1px)" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "100px" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "50%" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "start" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "center" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "end" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "top" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "bottom" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "left" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "right" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "auto" should set the property value]
+    expected: FAIL
+
+  [e.style['scroll-start-y'\] = "calc(-1px)" should set the property value]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-aligns-with-snap-align.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-aligns-with-snap-align.tentative.html.ini
new file mode 100644
index 0000000000..15875f3647
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-aligns-with-snap-align.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-aligns-with-snap-align.tentative.html]
+  [scroll-start-target aligns with scroll-snap-align]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-display-toggled.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-display-toggled.tentative.html.ini
new file mode 100644
index 0000000000..f7717bc764
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-display-toggled.tentative.html.ini
@@ -0,0 +1,6 @@
+[scroll-start-target-display-toggled.tentative.html]
+  [display:block scroll-start-target becomes display: none]
+    expected: FAIL
+
+  [display:none scroll-start-target becomes display: block]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-nested-container.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-nested-container.tentative.html.ini
new file mode 100644
index 0000000000..6c90d786c3
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-nested-container.tentative.html.ini
@@ -0,0 +1,13 @@
+[scroll-start-target-nested-container.tentative.html]
+  expected: ERROR
+  [display:none scroll-start-target becomes display:block]
+    expected: FAIL
+
+  [intermediate overflow:visible container becomes overflow:scroll]
+    expected: FAIL
+
+  [inner scroll-start-target takes precedence over outer]
+    expected: FAIL
+
+  [scroll containers can also be scroll-start-targets]
+    expected: NOTRUN
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-root.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-root.tentative.html.ini
new file mode 100644
index 0000000000..c6c476d744
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-root.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-root.tentative.html]
+  [ CSS Scroll Snap 2 Test: scroll-start-target*]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-rtl.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-rtl.tentative.html.ini
new file mode 100644
index 0000000000..a3eadb6fd0
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-rtl.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-rtl.tentative.html]
+  [scroll-start-target reflects vertical rtl writing mode.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-anchor-navigation.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-anchor-navigation.tentative.html.ini
new file mode 100644
index 0000000000..4daaae9315
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-anchor-navigation.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-with-anchor-navigation.tentative.html]
+  [scroll-start-target does not override anchor navigation.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-snap.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-snap.tentative.html.ini
new file mode 100644
index 0000000000..dae7e3edc7
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-snap.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-with-scroll-snap.tentative.html]
+  [ CSS Scroll Snap 2 Test: scroll-start-target*]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-start-root.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-start-root.tentative.html.ini
new file mode 100644
index 0000000000..52b6fabad2
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-start-root.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-with-scroll-start-root.tentative.html]
+  [ CSS Scroll Snap 2 Test: scroll-start-target*]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-start.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-start.tentative.html.ini
new file mode 100644
index 0000000000..8492a5fc6a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-scroll-start.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-with-scroll-start.tentative.html]
+  [ CSS Scroll Snap 2 Test: scroll-start-target*]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-text-fragment-navigation.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-text-fragment-navigation.tentative.html.ini
new file mode 100644
index 0000000000..5f36ec4087
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-text-fragment-navigation.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-target-with-text-fragment-navigation.tentative.html]
+  [scroll-start doesn't override text fragment navigation]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-user-programmatic-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-user-programmatic-scroll.tentative.html.ini
new file mode 100644
index 0000000000..9ef4e906e9
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target-with-user-programmatic-scroll.tentative.html.ini
@@ -0,0 +1,6 @@
+[scroll-start-target-with-user-programmatic-scroll.tentative.html]
+  [scroll-start-target does not override user scroll]
+    expected: FAIL
+
+  [scroll-start-target does not override programmatic scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target.tentative.html.ini
new file mode 100644
index 0000000000..54ac92689a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start-target/scroll-start-target.tentative.html.ini
@@ -0,0 +1,6 @@
+[scroll-start-target.tentative.html]
+  [ CSS Scroll Snap 2 Test: scroll-start-target*]
+    expected: FAIL
+
+  [ CSS Scroll Snap 2 Test: scroll-start-target* 1]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-display-toggled.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-display-toggled.tentative.html.ini
new file mode 100644
index 0000000000..f781d15d0b
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-display-toggled.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-display-toggled.tentative.html]
+  [scroll-start does not interfer with recovering saved scroll position after display toggle]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-fieldset.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-fieldset.tentative.html.ini
new file mode 100644
index 0000000000..534c4e0748
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-fieldset.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-fieldset.tentative.html]
+  [scroll-start sets default position of fieldset element]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-overflow-toggled.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-overflow-toggled.tentative.html.ini
new file mode 100644
index 0000000000..57ac8ed6a9
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-overflow-toggled.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-overflow-toggled.tentative.html]
+  [scroll-start sets scroller position if overflow is not visible]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-root.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-root.tentative.html.ini
new file mode 100644
index 0000000000..36247f5636
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-root.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-root.tentative.html]
+  [scroll-start sets the initial scroll position of the document]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-vertical-lr.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-vertical-lr.tentative.html.ini
new file mode 100644
index 0000000000..687367bda3
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-vertical-lr.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-vertical-lr.tentative.html]
+  [scroll-start sets initial scroll offset correctly in vertical writing modes]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-anchor-navigation.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-anchor-navigation.tentative.html.ini
new file mode 100644
index 0000000000..5f85daa650
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-anchor-navigation.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-with-anchor-navigation.tentative.html]
+  [scroll-start does not override anchor navigation.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-programmatic-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-programmatic-scroll.tentative.html.ini
new file mode 100644
index 0000000000..a94c19c44d
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-programmatic-scroll.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-with-programmatic-scroll.tentative.html]
+  [scroll-start is not applied after a programmatic scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-scroll-snap.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-scroll-snap.tentative.html.ini
new file mode 100644
index 0000000000..93028d2b02
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-scroll-snap.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-with-scroll-snap.tentative.html]
+  [scroller snaps based on scroll-start position]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-text-fragment-navigation.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-text-fragment-navigation.tentative.html.ini
new file mode 100644
index 0000000000..cffc475685
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-text-fragment-navigation.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-with-text-fragment-navigation.tentative.html]
+  [scroll-start doesn't override text fragment navigation]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-user-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-user-scroll.tentative.html.ini
new file mode 100644
index 0000000000..a45ab057b2
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start-with-user-scroll.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start-with-user-scroll.tentative.html]
+  [scroll-start is not applied after user a scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start.tentative.html.ini
new file mode 100644
index 0000000000..333b5ba7fd
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/scroll-start/scroll-start.tentative.html.ini
@@ -0,0 +1,3 @@
+[scroll-start.tentative.html]
+  [ CSS Scroll Snap 2 Test: scroll-start-*]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-after-layout-change.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-after-layout-change.tentative.html.ini
new file mode 100644
index 0000000000..c3456546a3
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-after-layout-change.tentative.html.ini
@@ -0,0 +1,12 @@
+[snapchanged-after-layout-change.tentative.html]
+  [snapchanged fires after snap area is snapped to upon layout change.]
+    expected: FAIL
+
+  [snapchanged fires after snap area is snapped to upon layout change without scroll.]
+    expected: FAIL
+
+  [snapchanged fires when container stops snapping]
+    expected: FAIL
+
+  [snapchanged fires when snap container no longer has snap areas]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-ensures-dom-order.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-ensures-dom-order.html.ini
new file mode 100644
index 0000000000..d36c8d6943
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-ensures-dom-order.html.ini
@@ -0,0 +1,6 @@
+[snapchanged-ensures-dom-order.html]
+  [snapchanged lists snapTargets in DOM order.]
+    expected: FAIL
+
+  [DOM order change doesn't trigger snapchanged if snapped targets don't change.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-programmatic-root-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-programmatic-root-scroll.tentative.html.ini
new file mode 100644
index 0000000000..32a5cf1740
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-programmatic-root-scroll.tentative.html.ini
@@ -0,0 +1,6 @@
+[snapchanged-on-programmatic-root-scroll.tentative.html]
+  [snapchanged event fires after snap target changes via scrollTo]
+    expected: FAIL
+
+  [snapchanged is not fired if snap target doesn't change on programmatic scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-programmatic-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-programmatic-scroll.tentative.html.ini
new file mode 100644
index 0000000000..2bf653f08b
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-programmatic-scroll.tentative.html.ini
@@ -0,0 +1,6 @@
+[snapchanged-on-programmatic-scroll.tentative.html]
+  [snapchanged event fires after snap target changes via scrollTo]
+    expected: FAIL
+
+  [snapchanged is not fired if snap target doesn't change on programmatic scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-user-root-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-user-root-scroll.tentative.html.ini
new file mode 100644
index 0000000000..dd1c693e8a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-user-root-scroll.tentative.html.ini
@@ -0,0 +1,17 @@
+[snapchanged-on-user-root-scroll.tentative.html]
+  [snapchanged event fires after snap target changes on touch scroll]
+    expected: FAIL
+
+  [snapchanged event fires after snap target changes on wheel scroll]
+    expected: FAIL
+
+  [snapchanged event fires after snap target changes on scrollbar drag]
+    expected:
+      if os == "android": PASS
+      FAIL
+
+  [snapchanged event fires after snap target changes on keydown press]
+    expected: FAIL
+
+  [snapchanged is not fired if snap target doesn't change on user scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-user-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-user-scroll.tentative.html.ini
new file mode 100644
index 0000000000..4e34360439
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-on-user-scroll.tentative.html.ini
@@ -0,0 +1,17 @@
+[snapchanged-on-user-scroll.tentative.html]
+  [snapchanged event fires after snap target changes on touch scroll]
+    expected: FAIL
+
+  [snapchanged event fires after snap target changes on wheel scroll]
+    expected: FAIL
+
+  [snapchanged event fires after snap target changes on scrollbar drag]
+    expected:
+      if os == "android": PASS
+      FAIL
+
+  [snapchanged event fires after snap target changes on keydown press]
+    expected: FAIL
+
+  [snapchanged is not fired if snap target doesn't change on user scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-same-targets-after-layout-changed.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-same-targets-after-layout-changed.html.ini
new file mode 100644
index 0000000000..6b69adbcbd
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-same-targets-after-layout-changed.html.ini
@@ -0,0 +1,6 @@
+[snapchanged-same-targets-after-layout-changed.html]
+  [snapchanged doesn't fire after layout change if snapped to the same elements]
+    expected: FAIL
+
+  [snapchanged doesn't fire after snap to the same targets after scroll. elements]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-with-proximity-strictness.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-with-proximity-strictness.tentative.html.ini
new file mode 100644
index 0000000000..4a8376ceb6
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanged/snapchanged-with-proximity-strictness.tentative.html.ini
@@ -0,0 +1,3 @@
+[snapchanged-with-proximity-strictness.tentative.html]
+  [Snapchanged fires when scrolling outside proximity range.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-after-layout-change.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-after-layout-change.tentative.html.ini
new file mode 100644
index 0000000000..ce56a56be4
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-after-layout-change.tentative.html.ini
@@ -0,0 +1,4 @@
+[snapchanging-after-layout-change.tentative.html]
+  expected: TIMEOUT
+  [snapchanging fires after layout change]
+    expected: TIMEOUT
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-programmatic-root-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-programmatic-root-scroll.tentative.html.ini
new file mode 100644
index 0000000000..eabf3226f5
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-programmatic-root-scroll.tentative.html.ini
@@ -0,0 +1,6 @@
+[snapchanging-on-programmatic-root-scroll.tentative.html]
+  [snapchanging fires on programmatic scrolls that changes a scroller's snap targets.]
+    expected: FAIL
+
+  [snapchanging does not fire on programmatic scrolls that don't trigger a change in snap targets.]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-programmatic-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-programmatic-scroll.tentative.html.ini
new file mode 100644
index 0000000000..c596b43bbf
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-programmatic-scroll.tentative.html.ini
@@ -0,0 +1,6 @@
+[snapchanging-on-programmatic-scroll.tentative.html]
+  [snapchanging fires on programmatic scrolls that changes a scroller's snap targets.]
+    expected: FAIL
+
+  [snapchanging-on-programmatic-scroll]
+    expected: FAIL
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-user-root-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-user-root-scroll.tentative.html.ini
new file mode 100644
index 0000000000..10cd6268a0
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-user-root-scroll.tentative.html.ini
@@ -0,0 +1,19 @@
+[snapchanging-on-user-root-scroll.tentative.html]
+  expected: TIMEOUT
+  [touch scrolling fires snapchanging.]
+    expected: FAIL
+
+  [mouse wheel scroll triggers snapchanging.]
+    expected: FAIL
+
+  [scrollbar dragging fires snapchanging.]
+    expected: FAIL
+
+  [keyboard scroll triggers snapchanging.]
+    expected: FAIL
+
+  [snapchanging fires as scroll moves through different snap targets.]
+    expected: TIMEOUT
+
+  [snapchanging doesn't fire if scroll doesn't reach different snap targets.]
+    expected: NOTRUN
diff --git a/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-user-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-user-scroll.tentative.html.ini
new file mode 100644
index 0000000000..e7d5fd9761
--- /dev/null
+++ b/testing/web-platform/meta/css/css-scroll-snap-2/snapchanging/snapchanging-on-user-scroll.tentative.html.ini
@@ -0,0 +1,19 @@
+[snapchanging-on-user-scroll.tentative.html]
+  expected: TIMEOUT
+  [touch scrolling fires snapchanging.]
+    expected: FAIL
+
+  [mouse wheel scroll triggers snapchanging.]
+    expected: FAIL
+
+  [scrollbar dragging fires snapchanging.]
+    expected: FAIL
+
+  [keyboard scroll triggers snapchanging.]
+    expected: FAIL
+
+  [snapchanging fires as scroll moves through different snap targets.]
+    expected: TIMEOUT
+
+  [snapchanging doesn't fire if scroll doesn't reach different snap targets.]
+    expected: NOTRUN