From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../html/elements/link/href-empty-novalid.html     |  4 +
 .../html/elements/link/href-isvalid.html           | 91 ++++++++++++++++++++++
 .../html/elements/link/href-missing-novalid.html   | 10 +++
 .../link/href-whitespace-only-novalid.html         |  5 ++
 .../link/href/fragment-backslash-novalid.html      |  4 +
 .../link/href/fragment-contains-hash-novalid.html  |  4 +
 .../link/href/fragment-leading-space-novalid.html  |  4 +
 .../html/elements/link/href/host-cr-novalid.html   |  4 +
 .../href/host-double-percent-encoded-novalid.html  |  4 +
 ...le-percent-encoded-percent-encoded-novalid.html |  4 +
 .../elements/link/href/host-empty-novalid.html     |  4 +
 .../href/host-empty-userinfo-empty-novalid.html    |  4 +
 .../href/host-empty-with-userinfo-novalid.html     |  4 +
 .../href/host-hostname-in-brackets-novalid.html    |  4 +
 .../link/href/host-invalid-unicode-novalid.html    |  4 +
 ...st-invalid-unicode-percent-encoded-novalid.html |  4 +
 .../elements/link/href/host-newline-novalid.html   |  5 ++
 .../elements/link/href/host-space-novalid.html     |  4 +
 ...quare-brackets-port-contains-colon-novalid.html |  4 +
 .../html/elements/link/href/host-tab-novalid.html  |  4 +
 .../href/host-u0000-percent-encoded-novalid.html   |  4 +
 ...00-percent-encoded-percent-encoded-novalid.html |  4 +
 .../link/href/path-bare-percent-sign-novalid.html  |  4 +
 .../link/href/path-contains-space-novalid.html     |  4 +
 .../path-leading-backslash-at-sign-novalid.html    |  4 +
 .../href/path-leading-colon-backslash-novalid.html |  4 +
 ...path-leading-colon-chars-backslash-novalid.html |  4 +
 .../link/href/path-leading-space-novalid.html      |  4 +
 .../path-percent-encoded-malformed-novalid.html    |  4 +
 .../path-relative-square-brackets-novalid.html     |  4 +
 .../html/elements/link/href/path-tab-novalid.html  |  4 +
 .../link/href/path-trailing-space-novalid.html     |  4 +
 .../elements/link/href/path-u0091-novalid.html     |  4 +
 .../elements/link/href/port-999999-novalid.html    |  4 +
 .../html/elements/link/href/port-cr-novalid.html   |  4 +
 .../port-leading-colon-bracket-colon-novalid.html  |  4 +
 .../link/href/port-leading-colon-novalid.html      |  4 +
 .../link/href/port-leading-dash-novalid.html       |  4 +
 .../link/href/port-multiple-letters-novalid.html   |  4 +
 .../elements/link/href/port-newline-novalid.html   |  5 ++
 .../link/href/port-single-letter-novalid.html      |  4 +
 .../elements/link/href/port-space-novalid.html     |  4 +
 .../html/elements/link/href/port-tab-novalid.html  |  4 +
 .../link/href/query-leading-space-novalid.html     |  4 +
 .../link/href/query-trailing-space-novalid.html    |  4 +
 .../scheme-data-contains-fragment-haswarn.html     |  4 +
 .../href/scheme-data-single-slash-novalid.html     |  4 +
 .../link/href/scheme-file-backslash-novalid.html   |  4 +
 .../scheme-file-single-slash-c-bar-novalid.html    |  4 +
 .../scheme-file-slash-slash-abc-bar-novalid.html   |  4 +
 .../scheme-file-triple-slash-c-bar-novalid.html    |  4 +
 .../link/href/scheme-ftp-no-slash-novalid.html     |  4 +
 .../link/href/scheme-ftp-single-slash-novalid.html |  4 +
 .../link/href/scheme-http-backslash-novalid.html   |  4 +
 .../href/scheme-http-no-slash-colon-novalid.html   |  4 +
 .../link/href/scheme-http-no-slash-novalid.html    |  4 +
 ...cheme-http-no-slash-square-bracket-novalid.html |  4 +
 .../href/scheme-http-single-slash-novalid.html     |  4 +
 .../link/href/scheme-https-no-slash-novalid.html   |  4 +
 .../href/scheme-https-single-slash-novalid.html    |  4 +
 .../link/href/scheme-trailing-cr-novalid.html      |  4 +
 .../link/href/scheme-trailing-newline-novalid.html |  5 ++
 .../link/href/scheme-trailing-space-novalid.html   |  4 +
 .../link/href/scheme-trailing-tab-novalid.html     |  4 +
 .../link/href/userinfo-backslash-novalid.html      |  4 +
 .../href/userinfo-password-bad-chars-novalid.html  |  4 +
 ...info-password-contains-pile-of-poo-novalid.html |  4 +
 ...userinfo-username-contains-at-sign-novalid.html |  4 +
 ...info-username-contains-pile-of-poo-novalid.html |  4 +
 .../link/imagesizes-no-imagesrcset-novalid.html    |  4 +
 .../link/imagesrcset-no-as-image-novalid.html      |  4 +
 .../link/imagesrcset-no-preload-novalid.html       |  4 +
 .../html/elements/link/imagesrcset-valid.html      |  6 ++
 73 files changed, 391 insertions(+)
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href-empty-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href-isvalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href-missing-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href-whitespace-only-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-backslash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-contains-hash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-leading-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-cr-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-percent-encoded-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-userinfo-empty-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-with-userinfo-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-hostname-in-brackets-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-percent-encoded-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-newline-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-square-brackets-port-contains-colon-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-tab-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-percent-encoded-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-bare-percent-sign-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-contains-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-backslash-at-sign-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-backslash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-chars-backslash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-percent-encoded-malformed-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-relative-square-brackets-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-tab-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-trailing-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-u0091-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-999999-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-cr-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-bracket-colon-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-dash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-multiple-letters-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-newline-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-single-letter-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-tab-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-leading-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-trailing-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-contains-fragment-haswarn.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-single-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-backslash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-single-slash-c-bar-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-slash-slash-abc-bar-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-triple-slash-c-bar-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-no-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-single-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-backslash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-colon-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-square-bracket-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-single-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-no-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-single-slash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-cr-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-newline-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-space-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-tab-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-backslash-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-bad-chars-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-contains-pile-of-poo-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-at-sign-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-pile-of-poo-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/imagesizes-no-imagesrcset-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-as-image-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-preload-novalid.html
 create mode 100644 testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-valid.html

(limited to 'testing/web-platform/tests/conformance-checkers/html/elements/link')

diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href-empty-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-empty-novalid.html
new file mode 100644
index 0000000000..fb1f349f75
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-empty-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>empty href is not valid</title>
+<link href="" rel>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href-isvalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-isvalid.html
new file mode 100644
index 0000000000..1ebfd3bfcb
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-isvalid.html
@@ -0,0 +1,91 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>valid href</title>
+<link href="a:foo.com" rel=help><!-- scheme-private -->
+<link href="foo:/" rel=help><!-- scheme-private-slash -->
+<link href="foo://" rel=help><!-- scheme-private-slash-slash -->
+<link href="foo:/bar.com/" rel=help><!-- scheme-private-path -->
+<link href="foo://///////" rel=help><!-- scheme-private-path-leading-slashes-only -->
+<link href="foo://///////bar.com/" rel=help><!-- scheme-private-path-leading-slashes-chars -->
+<link href="foo:////://///" rel=help><!-- scheme-private-path-leading-slashes-colon-slashes -->
+<link href="c:/foo" rel=help><!-- scheme-private-single-letter -->
+<link href="madeupscheme:/example.com/" rel=help><!-- scheme-private-single-slash -->
+<link href="file:/example.com/" rel=help><!-- scheme-file-single-slash -->
+<link href="ftps:/example.com/" rel=help><!-- scheme-ftps-single-slash -->
+<link href="gopher:/example.com/" rel=help><!-- scheme-gopher-single-slash -->
+<link href="ws:/example.com/" rel=help><!-- scheme-ws-single-slash -->
+<link href="wss:/example.com/" rel=help><!-- scheme-wss-single-slash -->
+<link href="javascript:/example.com/" rel=help><!-- scheme-javascript-single-slash -->
+<link href="mailto:/example.com/" rel=help><!-- scheme-mailto-single-slash -->
+<link href="madeupscheme:example.com/" rel=help><!-- scheme-private-no-slash -->
+<link href="ftps:example.com/" rel=help><!-- scheme-ftps-no-slash -->
+<link href="gopher:example.com/" rel=help><!-- scheme-gopher-no-slash -->
+<link href="wss:example.com/" rel=help><!-- scheme-wss-no-slash -->
+<link href="mailto:example.com/" rel=help><!-- scheme-mailto-no-slash -->
+<link href="data:text/plain,foo" rel=help><!-- scheme-data-no-slash -->
+<link href="http://user:pass@foo:21/bar;par?b#c" rel=help><!-- userinfo -->
+<link href="http://[2001::1]" rel=help><!-- host-ipv6 -->
+<link href="http://[2001::1]:80" rel=help><!-- host-ipv6-port -->
+<link href="http://f:/c" rel=help><!-- port-none-but-colon -->
+<link href="http://f:0/c" rel=help><!-- port-0 -->
+<link href="http://f:00000000000000/c" rel=help><!-- port-00000000000000 -->
+<link href="http://f:00000000000000000000080/c" rel=help><!-- port-00000000000000000000080 -->
+<link href="http://a:b@c:29/d" rel=help><!-- userinfo-host-port-path -->
+<link href="http://foo.com:b@d/" rel=help><!-- userinfo-username-non-alpha -->
+<link href="http://foo/abcd?efgh?ijkl" rel=help><!-- query-contains-question-mark -->
+<link href="http://foo/abcd#foo?bar" rel=help><!-- fragment-contains-question-mark -->
+<link href="http://example.com/foo/%2e" rel=help><!-- path-percent-encoded-dot -->
+<link href="http://example.com/%20foo" rel=help><!-- path-percent-encoded-space -->
+<link href="http://example.com/©zbar" rel=help><!-- path-non-ascii -->
+<link href="http://example.com/foo%41%7a" rel=help><!-- path-percent-encoded-multiple -->
+<link href="http://example.com/foo%91" rel=help><!-- path-percent-encoded-u0091 -->
+<link href="http://example.com/foo%00" rel=help><!-- path-percent-encoded-u0000 -->
+<link href="http://example.com/%3A%3a%3C%3c" rel=help><!-- path-percent-encoded-mixed-case -->
+<link href="http://example.com/你好你好" rel=help><!-- path-unicode-han -->
+<link href="http://example.com//foo" rel=help><!-- path-uFEFF -->
+<link href="http://example.com/‮/foo/‭/bar" rel=help><!-- path-u202E-u202D -->
+<link href="http://💩" rel=help><!-- host-is-pile-of-poo -->
+<link href="http💩//:foo" rel=help><!-- path-contains-pile-of-poo -->
+<link href="http://example.com/foo?💩" rel=help><!-- query-contains-pile-of-poo -->
+<link href="http://example.com/foo#💩" rel=help><!-- fragment-contains-pile-of-poo -->
+<link href="http://192.0x00A80001" rel=help><!-- host-192.0x00A80001 -->
+<link href="http://%25DOMAIN:foobar@foodomain.com" rel=help><!-- userinfo-username-contains-percent-encoded -->
+<link href="http://@www.example.com" rel=help><!-- userinfo-empty -->
+<link href="http://:b@www.example.com" rel=help><!-- userinfo-user-empty -->
+<link href="http://a:@www.example.com" rel=help><!-- userinfo-password-empty -->
+<link href="http://GOO​⁠goo.com" rel=help><!-- host-exotic-whitespace -->
+<link href="http://www.foo。bar.com" rel=help><!-- host-exotic-dot -->
+<link href="http://Ｇｏ.com" rel=help><!-- host-fullwidth -->
+<link href="http://你好你好" rel=help><!-- host-idn-unicode-han -->
+<link href="http://192.168.0.257/" rel=help><!-- host-IP-address-broken -->
+<link href="//foo/bar" rel=help><!-- scheme-schemeless-relative -->
+<link href="/" rel=help><!-- path-slash-only-relative -->
+<link href="/a/b/c" rel=help><!-- path-simple-relative -->
+<link href="/a%2fc" rel=help><!-- path-percent-encoded-slash-relative -->
+<link href="/a/%2f/c" rel=help><!-- path-percent-encoded-slash-plus-slashes-relative -->
+<link href="?" rel=help><!-- query-empty-no-path-relative -->
+<link href="#" rel=help><!-- fragment-empty-hash-only-no-path-relative -->
+<link href="#/" rel=help><!-- fragment-slash-relative -->
+<link href="#;?" rel=help><!-- fragment-semicolon-question-mark-relative -->
+<link href="#β" rel=help><!-- fragment-non-ascii-relative -->
+<link href="foo.com" rel=help><!-- scheme-none-relative -->
+<link href=":" rel=help><!-- path-colon-relative -->
+<link href=":a" rel=help><!-- path-leading-colon-letter-relative -->
+<link href=":foo.com" rel=help><!-- path-leading-colon-chars-relative -->
+<link href=":/" rel=help><!-- path-leading-colon-slash-relative -->
+<link href=":#" rel=help><!-- path-leading-colon-hash-relative -->
+<link href=":23" rel=help><!-- path-leading-colon-number-relative -->
+<link href="/:23" rel=help><!-- path-slash-colon-number-relative -->
+<link href="::" rel=help><!-- path-leading-colon-colon-relative -->
+<link href="::23" rel=help><!-- path-colon-colon-number-relative -->
+<link href="💩http://foo" rel=help><!-- path-starts-with-pile-of-poo -->
+<link href="/💩" rel=help><!-- path-slash-pile-of-poo -->
+<link href="File://foo/bar.html" rel=help><!-- scheme-file-uppercase -->
+<link href="file://C|/foo/bar" rel=help><!-- scheme-file-slash-slash-c-bar -->
+<link href="file://server/foo/bar" rel=help><!-- scheme-file-host-included -->
+<link href="file:///foo/bar.txt" rel=help><!-- scheme-file-host-empty -->
+<link href="file:" rel=help><!-- scheme-file-scheme-only -->
+<link href="file:/" rel=help><!-- scheme-file-slash-only -->
+<link href="file://" rel=help><!-- scheme-file-slash-slash-only -->
+<link href="file:///" rel=help><!-- scheme-file-slash-slash-slash-only -->
+<link href="file:test" rel=help><!-- scheme-file-no-slash -->
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href-missing-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-missing-novalid.html
new file mode 100644
index 0000000000..eded973f6b
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-missing-novalid.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta charset=utf-8>
+<title>link element missing href attribute</title>
+<link rel=stylesheet>
+</head>
+<body>
+</body>
+</html>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href-whitespace-only-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-whitespace-only-novalid.html
new file mode 100644
index 0000000000..6874b11973
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href-whitespace-only-novalid.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>empty href is not valid</title>
+<link href="	 
+" rel>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-backslash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-backslash-novalid.html
new file mode 100644
index 0000000000..8f59c37ca8
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-backslash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: fragment-backslash</title>
+<link href="#\" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-contains-hash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-contains-hash-novalid.html
new file mode 100644
index 0000000000..77997986af
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-contains-hash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: fragment-contains-hash</title>
+<link href="http://foo/path#f#g" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-leading-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-leading-space-novalid.html
new file mode 100644
index 0000000000..3cd63e09c7
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/fragment-leading-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: fragment-leading-space</title>
+<link href="http://f:21/b# e" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-cr-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-cr-novalid.html
new file mode 100644
index 0000000000..f66c1640ac
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-cr-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-cr</title>
+<link href="http://example.
org" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-novalid.html
new file mode 100644
index 0000000000..591dca8523
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-double-percent-encoded</title>
+<link href="http://％４１.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-percent-encoded-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-percent-encoded-novalid.html
new file mode 100644
index 0000000000..484097db86
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-double-percent-encoded-percent-encoded-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-double-percent-encoded-percent-encoded</title>
+<link href="http://%ef%bc%85%ef%bc%94%ef%bc%91.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-novalid.html
new file mode 100644
index 0000000000..30bfc0f084
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-empty</title>
+<link href="http://" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-userinfo-empty-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-userinfo-empty-novalid.html
new file mode 100644
index 0000000000..027efe0d44
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-userinfo-empty-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-empty-userinfo-empty</title>
+<link href="http://@/www.example.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-with-userinfo-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-with-userinfo-novalid.html
new file mode 100644
index 0000000000..b07878ee91
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-empty-with-userinfo-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-empty-with-userinfo</title>
+<link href="http://user:pass@/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-hostname-in-brackets-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-hostname-in-brackets-novalid.html
new file mode 100644
index 0000000000..03b35eb582
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-hostname-in-brackets-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-hostname-in-brackets</title>
+<link href="http://[www.google.com]/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-novalid.html
new file mode 100644
index 0000000000..22b5e8d3cd
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-invalid-unicode</title>
+<link href="http://﷐zyx.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-percent-encoded-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-percent-encoded-novalid.html
new file mode 100644
index 0000000000..fcba2a20bd
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-invalid-unicode-percent-encoded-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-invalid-unicode-percent-encoded</title>
+<link href="http://%ef%b7%90zyx.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-newline-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-newline-novalid.html
new file mode 100644
index 0000000000..446a0d4803
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-newline-novalid.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-newline</title>
+<link href="http://example.
+org" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-space-novalid.html
new file mode 100644
index 0000000000..7cf4ab8d3b
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-space</title>
+<link href="http://example .org" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-square-brackets-port-contains-colon-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-square-brackets-port-contains-colon-novalid.html
new file mode 100644
index 0000000000..34500ab8c0
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-square-brackets-port-contains-colon-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-square-brackets-port-contains-colon</title>
+<link href="http://[1::2]:3:4" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-tab-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-tab-novalid.html
new file mode 100644
index 0000000000..4f4a97bd3c
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-tab-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-tab</title>
+<link href="http://example	.org" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-novalid.html
new file mode 100644
index 0000000000..905c8661ff
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-u0000-percent-encoded</title>
+<link href="http://％００.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-percent-encoded-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-percent-encoded-novalid.html
new file mode 100644
index 0000000000..084773e6f4
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/host-u0000-percent-encoded-percent-encoded-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: host-u0000-percent-encoded-percent-encoded</title>
+<link href="http://%ef%bc%85%ef%bc%90%ef%bc%90.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-bare-percent-sign-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-bare-percent-sign-novalid.html
new file mode 100644
index 0000000000..1e02cf8e81
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-bare-percent-sign-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-bare-percent-sign</title>
+<link href="http://example.com/foo%" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-contains-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-contains-space-novalid.html
new file mode 100644
index 0000000000..8386f5d801
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-contains-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-contains-space</title>
+<link href="/a/ /c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-backslash-at-sign-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-backslash-at-sign-novalid.html
new file mode 100644
index 0000000000..5c333681ba
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-backslash-at-sign-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-leading-backslash-at-sign</title>
+<link href="http://foo.com/\@" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-backslash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-backslash-novalid.html
new file mode 100644
index 0000000000..19d37d8f10
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-backslash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-leading-colon-backslash</title>
+<link href=":\" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-chars-backslash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-chars-backslash-novalid.html
new file mode 100644
index 0000000000..5580214cb0
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-colon-chars-backslash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-leading-colon-chars-backslash</title>
+<link href=":foo.com\" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-space-novalid.html
new file mode 100644
index 0000000000..2889005854
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-leading-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-leading-space</title>
+<link href="http://f:21/ b" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-percent-encoded-malformed-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-percent-encoded-malformed-novalid.html
new file mode 100644
index 0000000000..599fecbbc2
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-percent-encoded-malformed-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-percent-encoded-malformed</title>
+<link href="http://example.com/foo/%2e%2" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-relative-square-brackets-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-relative-square-brackets-novalid.html
new file mode 100644
index 0000000000..630062db8e
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-relative-square-brackets-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-relative-square-brackets</title>
+<link href="[61:24:74]:98" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-tab-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-tab-novalid.html
new file mode 100644
index 0000000000..4c5e234c4f
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-tab-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-tab</title>
+<link href="http://example.com/foo	bar" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-trailing-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-trailing-space-novalid.html
new file mode 100644
index 0000000000..f8bcef833b
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-trailing-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-trailing-space</title>
+<link href="http://f:21/b ?" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-u0091-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-u0091-novalid.html
new file mode 100644
index 0000000000..5bed826c04
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/path-u0091-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: path-u0091</title>
+<link href="http://example.com/foo‘" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-999999-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-999999-novalid.html
new file mode 100644
index 0000000000..4b7e189c42
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-999999-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-999999</title>
+<link href="http://f:999999/c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-cr-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-cr-novalid.html
new file mode 100644
index 0000000000..030307b479
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-cr-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-cr</title>
+<link href="http://f:
/c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-bracket-colon-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-bracket-colon-novalid.html
new file mode 100644
index 0000000000..0bf977156b
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-bracket-colon-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-leading-colon-bracket-colon</title>
+<link href="http://2001::1]:80" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-novalid.html
new file mode 100644
index 0000000000..04eb695a04
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-colon-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-leading-colon</title>
+<link href="http://2001::1" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-dash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-dash-novalid.html
new file mode 100644
index 0000000000..f77f17e138
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-leading-dash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-leading-dash</title>
+<link href="http://foo:-80/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-multiple-letters-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-multiple-letters-novalid.html
new file mode 100644
index 0000000000..2a8ab2aac0
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-multiple-letters-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-multiple-letters</title>
+<link href="http://f:fifty-two/c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-newline-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-newline-novalid.html
new file mode 100644
index 0000000000..5346b4fa2e
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-newline-novalid.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-newline</title>
+<link href="http://f:
+/c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-single-letter-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-single-letter-novalid.html
new file mode 100644
index 0000000000..f0b2d51179
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-single-letter-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-single-letter</title>
+<link href="http://f:b/c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-space-novalid.html
new file mode 100644
index 0000000000..1acf0b3d38
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-space</title>
+<link href="http://f: /c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-tab-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-tab-novalid.html
new file mode 100644
index 0000000000..4371db32de
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/port-tab-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: port-tab</title>
+<link href="http://f:	/c" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-leading-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-leading-space-novalid.html
new file mode 100644
index 0000000000..1a45d5a807
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-leading-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: query-leading-space</title>
+<link href="http://f:21/b? d" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-trailing-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-trailing-space-novalid.html
new file mode 100644
index 0000000000..ccd4596d3d
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/query-trailing-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: query-trailing-space</title>
+<link href="http://f:21/b?d #" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-contains-fragment-haswarn.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-contains-fragment-haswarn.html
new file mode 100644
index 0000000000..70fd6492c5
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-contains-fragment-haswarn.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>href warning: scheme-data-contains-fragment</title>
+<link href="data:text/html,test#test" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-single-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-single-slash-novalid.html
new file mode 100644
index 0000000000..95f8958069
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-data-single-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-data-single-slash</title>
+<link href="data:/example.com/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-backslash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-backslash-novalid.html
new file mode 100644
index 0000000000..8b37e6b76f
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-backslash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-file-backslash</title>
+<link href="file:c:\foo\bar.html" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-single-slash-c-bar-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-single-slash-c-bar-novalid.html
new file mode 100644
index 0000000000..cb02748125
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-single-slash-c-bar-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-file-single-slash-c-bar</title>
+<link href="file:/C|/foo/bar" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-slash-slash-abc-bar-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-slash-slash-abc-bar-novalid.html
new file mode 100644
index 0000000000..e07fbfced4
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-slash-slash-abc-bar-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-file-slash-slash-abc-bar</title>
+<link href="file://abc|/foo/bar" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-triple-slash-c-bar-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-triple-slash-c-bar-novalid.html
new file mode 100644
index 0000000000..0364ce6497
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-file-triple-slash-c-bar-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-file-triple-slash-c-bar</title>
+<link href="file:///C|/foo/bar" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-no-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-no-slash-novalid.html
new file mode 100644
index 0000000000..17a72ac542
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-no-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-ftp-no-slash</title>
+<link href="ftp:example.com/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-single-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-single-slash-novalid.html
new file mode 100644
index 0000000000..c930a16b47
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-ftp-single-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-ftp-single-slash</title>
+<link href="ftp:/example.com/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-backslash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-backslash-novalid.html
new file mode 100644
index 0000000000..af1814b44b
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-backslash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-http-backslash</title>
+<link href="http:\\foo.com\" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-colon-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-colon-novalid.html
new file mode 100644
index 0000000000..816bd3b254
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-colon-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-http-no-slash-colon</title>
+<link href="http::@c:29" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-novalid.html
new file mode 100644
index 0000000000..1678caac76
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-http-no-slash</title>
+<link href="http:foo.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-square-bracket-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-square-bracket-novalid.html
new file mode 100644
index 0000000000..f768ffa9dc
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-no-slash-square-bracket-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-http-no-slash-square-bracket</title>
+<link href="http:[61:27]/:foo" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-single-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-single-slash-novalid.html
new file mode 100644
index 0000000000..b2210d4900
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-http-single-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-http-single-slash</title>
+<link href="http:/example.com/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-no-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-no-slash-novalid.html
new file mode 100644
index 0000000000..13c5e34620
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-no-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-https-no-slash</title>
+<link href="https:example.com/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-single-slash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-single-slash-novalid.html
new file mode 100644
index 0000000000..b9192eb216
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-https-single-slash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-https-single-slash</title>
+<link href="https:/example.com/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-cr-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-cr-novalid.html
new file mode 100644
index 0000000000..3877fab7cb
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-cr-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-trailing-cr</title>
+<link href="a:
foo.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-newline-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-newline-novalid.html
new file mode 100644
index 0000000000..5b747be012
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-newline-novalid.html
@@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-trailing-newline</title>
+<link href="a:
+foo.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-space-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-space-novalid.html
new file mode 100644
index 0000000000..65dd25d843
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-space-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-trailing-space</title>
+<link href="a: foo.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-tab-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-tab-novalid.html
new file mode 100644
index 0000000000..934a8c4d37
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/scheme-trailing-tab-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: scheme-trailing-tab</title>
+<link href="a:	foo.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-backslash-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-backslash-novalid.html
new file mode 100644
index 0000000000..78e636f58c
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-backslash-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: userinfo-backslash</title>
+<link href="http://a\b:c\d@foo.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-bad-chars-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-bad-chars-novalid.html
new file mode 100644
index 0000000000..259f84eb61
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-bad-chars-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: userinfo-password-bad-chars</title>
+<link href="http://&a:foo(b]c@d:2/" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-contains-pile-of-poo-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-contains-pile-of-poo-novalid.html
new file mode 100644
index 0000000000..5acd244ccf
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-password-contains-pile-of-poo-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: userinfo-password-contains-pile-of-poo</title>
+<link href="http://foo:💩@example.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-at-sign-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-at-sign-novalid.html
new file mode 100644
index 0000000000..1cff4f2753
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-at-sign-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: userinfo-username-contains-at-sign</title>
+<link href="http://::@c@d:2" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-pile-of-poo-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-pile-of-poo-novalid.html
new file mode 100644
index 0000000000..0db2f57b98
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/href/userinfo-username-contains-pile-of-poo-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>invalid href: userinfo-username-contains-pile-of-poo</title>
+<link href="http://💩:foo@example.com" rel=help>
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesizes-no-imagesrcset-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesizes-no-imagesrcset-novalid.html
new file mode 100644
index 0000000000..6eb0a969c3
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesizes-no-imagesrcset-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>imagesizes can be used only when imagesrcset is also present</title>
+<link rel=preload as=image imagesizes="(max-width: 579.98px) 85vw, 50vw">
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-as-image-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-as-image-novalid.html
new file mode 100644
index 0000000000..8649d391ad
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-as-image-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>imagesrcset can be used only when as is image</title>
+<link rel=preload as=font imagesrcset="image.jpg 1225w" imagesizes="(max-width: 579.98px) 85vw, 50vw">
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-preload-novalid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-preload-novalid.html
new file mode 100644
index 0000000000..9bb821b585
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-no-preload-novalid.html
@@ -0,0 +1,4 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>imagesrcset can be used only when rel is preload</title>
+<link rel=prefetch as=image imagesrcset="image.jpg 1225w" imagesizes="(max-width: 579.98px) 85vw, 50vw">
diff --git a/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-valid.html b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-valid.html
new file mode 100644
index 0000000000..fa3ca661dd
--- /dev/null
+++ b/testing/web-platform/tests/conformance-checkers/html/elements/link/imagesrcset-valid.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>valid imagesrcset & imagesizes</title>
+<link rel=preload as=image imagesrcset="image.jpg 1225w" imagesizes="(max-width: 579.98px) 85vw, 50vw">
+<link rel=preload as=image imagesrcset="image.jpg 1x">
+<link rel=preload as=image href="image.png" imagesrcset="image.jpg 2x">
-- 
cgit v1.2.3