From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../tests/css/css-box/parsing/clear-computed.html  | 24 ++++++++++
 .../tests/css/css-box/parsing/clear-invalid.html   | 19 ++++++++
 .../tests/css/css-box/parsing/clear-valid.html     | 26 +++++++++++
 .../tests/css/css-box/parsing/float-computed.html  | 23 ++++++++++
 .../tests/css/css-box/parsing/float-invalid.html   | 20 +++++++++
 .../tests/css/css-box/parsing/float-valid.html     | 34 +++++++++++++++
 .../tests/css/css-box/parsing/height-invalid.html  | 30 +++++++++++++
 .../tests/css/css-box/parsing/height-valid.html    | 30 +++++++++++++
 .../tests/css/css-box/parsing/margin-computed.html | 46 +++++++++++++++++++
 .../tests/css/css-box/parsing/margin-invalid.html  | 25 +++++++++++
 .../css/css-box/parsing/margin-shorthand.html      | 43 ++++++++++++++++++
 .../css/css-box/parsing/margin-trim-computed.html  | 34 +++++++++++++++
 .../tests/css/css-box/parsing/margin-trim.html     | 46 +++++++++++++++++++
 .../tests/css/css-box/parsing/margin-valid.html    | 34 +++++++++++++++
 .../css/css-box/parsing/max-height-invalid.html    | 30 +++++++++++++
 .../css/css-box/parsing/max-height-valid.html      | 31 +++++++++++++
 .../css/css-box/parsing/max-width-invalid.html     | 30 +++++++++++++
 .../tests/css/css-box/parsing/max-width-valid.html | 31 +++++++++++++
 .../css/css-box/parsing/overflow-invalid.html      | 24 ++++++++++
 .../tests/css/css-box/parsing/overflow-valid.html  | 35 +++++++++++++++
 .../css/css-box/parsing/padding-computed.html      | 51 ++++++++++++++++++++++
 .../tests/css/css-box/parsing/padding-invalid.html | 29 ++++++++++++
 .../css/css-box/parsing/padding-shorthand.html     | 43 ++++++++++++++++++
 .../tests/css/css-box/parsing/padding-valid.html   | 31 +++++++++++++
 .../css/css-box/parsing/visibility-computed.html   | 20 +++++++++
 .../css/css-box/parsing/visibility-invalid.html    | 19 ++++++++
 .../css/css-box/parsing/visibility-valid.html      | 20 +++++++++
 .../tests/css/css-box/parsing/width-invalid.html   | 31 +++++++++++++
 .../tests/css/css-box/parsing/width-valid.html     | 29 ++++++++++++
 29 files changed, 888 insertions(+)
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/clear-computed.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/clear-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/clear-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/float-computed.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/float-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/float-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/height-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/height-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/margin-computed.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/margin-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/margin-shorthand.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/margin-trim-computed.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/margin-trim.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/margin-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/max-height-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/max-height-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/max-width-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/max-width-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/overflow-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/overflow-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/padding-computed.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/padding-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/padding-shorthand.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/padding-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/visibility-computed.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/visibility-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/visibility-valid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/width-invalid.html
 create mode 100644 testing/web-platform/tests/css/css-box/parsing/width-valid.html

(limited to 'testing/web-platform/tests/css/css-box/parsing')

diff --git a/testing/web-platform/tests/css/css-box/parsing/clear-computed.html b/testing/web-platform/tests/css/css-box/parsing/clear-computed.html
new file mode 100644
index 0000000000..9571cb7e40
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/clear-computed.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: getComputedStyle().clear</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-clear">
+<link rel="help" href="https://drafts.csswg.org/css-logical/#float-clear">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("clear", "none");
+test_computed_value("clear", "left");
+test_computed_value("clear", "right");
+test_computed_value("clear", "both");
+
+test_computed_value("clear", "inline-start");
+test_computed_value("clear", "inline-end");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/clear-invalid.html b/testing/web-platform/tests/css/css-box/parsing/clear-invalid.html
new file mode 100644
index 0000000000..38d1821bc8
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/clear-invalid.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing clear with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-clear">
+<meta name="assert" content="clear supports only the grammar 'none | left | right | both'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("clear", "auto");
+test_invalid_value("clear", "left right");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/clear-valid.html b/testing/web-platform/tests/css/css-box/parsing/clear-valid.html
new file mode 100644
index 0000000000..fc1947f71d
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/clear-valid.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing clear with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-clear">
+<link rel="help" href="https://drafts.csswg.org/css-logical/#float-clear">
+<meta name="assert" content="clear supports the full grammar 'none | left | right | both'.">
+<meta name="assert" content="clear also supports inline-start and inline-end.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("clear", "none");
+test_valid_value("clear", "left");
+test_valid_value("clear", "right");
+test_valid_value("clear", "both");
+
+test_valid_value("clear", "inline-start");
+test_valid_value("clear", "inline-end");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/float-computed.html b/testing/web-platform/tests/css/css-box/parsing/float-computed.html
new file mode 100644
index 0000000000..9d680e16c6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/float-computed.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: getComputedStyle().float</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-float">
+<link rel="help" href="https://drafts.csswg.org/css-logical/#float-clear">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("float", "none");
+test_computed_value("float", "left");
+test_computed_value("float", "right");
+
+test_computed_value("float", "inline-start");
+test_computed_value("float", "inline-end");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/float-invalid.html b/testing/web-platform/tests/css/css-box/parsing/float-invalid.html
new file mode 100644
index 0000000000..c11f4e2e66
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/float-invalid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing float with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-float">
+<meta name="assert" content="float supports only the grammar 'left | right | top | bottom | start | end | none | <page-floats>'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("float", "auto");
+test_invalid_value("float", "right bottom");
+test_invalid_value("float", "top, left");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/float-valid.html b/testing/web-platform/tests/css/css-box/parsing/float-valid.html
new file mode 100644
index 0000000000..32cf7edefd
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/float-valid.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing float with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-float">
+<link rel="help" href="https://drafts.csswg.org/css-logical/#float-clear">
+<meta name="assert" content="float supports the full grammar 'left | right | top | bottom | start | end | none | <page-floats>'.">
+<meta name="assert" content="float supports 'inline-start | inline-end'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("float", "left");
+test_valid_value("float", "right");
+test_valid_value("float", "none");
+
+test_valid_value("float", "inline-start");
+test_valid_value("float", "inline-end");
+
+// The following are not yet supported by browsers:
+// test_valid_value("float", "top");
+// test_valid_value("float", "bottom");
+// test_valid_value("float", "start"); // not permitted in https://drafts.csswg.org/css-page-floats/#float-property
+// test_valid_value("float", "end"); // not permitted in https://drafts.csswg.org/css-page-floats/#float-property
+
+// Page floats are now defined in
+// https://drafts.csswg.org/css-page-floats/#float-property
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/height-invalid.html b/testing/web-platform/tests/css/css-box/parsing/height-invalid.html
new file mode 100644
index 0000000000..dcd4d1afbe
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/height-invalid.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing height with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-height">
+<meta name="assert" content="height supports only the grammar '[<length> | <percentage>] | available | min-content | max-content | fit-content | complex | auto'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("height", "none");
+
+test_invalid_value("height", "min-content available");
+test_invalid_value("height", "max-content 10px");
+test_invalid_value("height", "20% available");
+
+test_invalid_value("height", "-10px");
+test_invalid_value("height", "-20%");
+test_invalid_value("height", "60");
+test_invalid_value("height", "10px 20%");
+
+test_invalid_value("height", "10px border-box");
+test_invalid_value("height", "content-box 20%");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/height-valid.html b/testing/web-platform/tests/css/css-box/parsing/height-valid.html
new file mode 100644
index 0000000000..7cc09a594e
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/height-valid.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing height with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-height">
+<meta name="assert" content="height supports the full grammar '[<length> | <percentage>] | available | min-content | max-content | fit-content | complex | auto'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("height", "auto");
+
+test_valid_value("height", "10px");
+test_valid_value("height", "20%");
+test_valid_value("height", "calc(2em + 3ex)");
+
+test_valid_value("height", "min-content");
+test_valid_value("height", "max-content");
+test_valid_value("height", "fit-content");
+
+// The following are not yet supported by browsers:
+// test_valid_value("height", "available");
+// test_valid_value("height", "complex");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/margin-computed.html b/testing/web-platform/tests/css/css-box/parsing/margin-computed.html
new file mode 100644
index 0000000000..6c3b321c72
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/margin-computed.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: getComputedStyle().margin</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-margin">
+<meta name="assert" content="margin computed value has absolute lengths.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #parent {
+    width: 200px;
+  }
+  #target {
+    width: 0px;
+    font-size: 40px;
+  }
+</style>
+</head>
+<body>
+<div id="parent">
+  <div id="target"></div>
+</div>
+<script>
+const target = document.getElementById("target");
+
+test_computed_value("margin", "10px");
+test_computed_value("margin", "10px 20px 30px 40px");
+test_computed_value("margin", "calc(0.5em + 10px)", "30px");
+test_computed_value("margin", "30%", "60px");
+
+// Since what should the margin be in presence of other margins is a bit
+// unclear (https://github.com/w3c/csswg-drafts/issues/2328), reset the margin
+// before testing.
+target.style.margin = "0";
+test_computed_value("margin-top", "10px");
+target.style.margin = "0";
+test_computed_value("margin-right", "20px");
+target.style.margin = "0";
+test_computed_value("margin-bottom", "30px");
+target.style.margin = "0";
+test_computed_value("margin-left", "40px");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/margin-invalid.html b/testing/web-platform/tests/css/css-box/parsing/margin-invalid.html
new file mode 100644
index 0000000000..7700917093
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/margin-invalid.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing margin with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-margin">
+<meta name="assert" content="margin supports only the grammar '[ <length> | <percentage> | auto]{1,4}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("margin", "available");
+test_invalid_value("margin", "10px border-box");
+test_invalid_value("margin", "1% 2% 3% 4% 5%");
+
+test_invalid_value("margin-top", "calc(2em + 3ex) auto");
+test_invalid_value("margin-right", "auto calc(2em + 3ex) 20%");
+test_invalid_value("margin-bottom", "10px 20% calc(2em + 3ex) auto");
+test_invalid_value("margin-bottom-left", "none");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/margin-shorthand.html b/testing/web-platform/tests/css/css-box/parsing/margin-shorthand.html
new file mode 100644
index 0000000000..293927983e
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/margin-shorthand.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: margin sets longhands</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-margin">
+<meta name="assert" content="margin supports the full grammar '<length-percentage>{1,4}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/shorthand-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_shorthand_value('margin', '1px 2px 3px 4px', {
+  'margin-top': '1px',
+  'margin-right': '2px',
+  'margin-bottom': '3px',
+  'margin-left': '4px'
+});
+
+test_shorthand_value('margin', '1px 2px 3px', {
+  'margin-top': '1px',
+  'margin-right': '2px',
+  'margin-bottom': '3px',
+  'margin-left': '2px'
+});
+
+test_shorthand_value('margin', '1px 2px', {
+  'margin-top': '1px',
+  'margin-right': '2px',
+  'margin-bottom': '1px',
+  'margin-left': '2px'
+});
+
+test_shorthand_value('margin', '1px', {
+  'margin-top': '1px',
+  'margin-right': '1px',
+  'margin-bottom': '1px',
+  'margin-left': '1px'
+});
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/margin-trim-computed.html b/testing/web-platform/tests/css/css-box/parsing/margin-trim-computed.html
new file mode 100644
index 0000000000..ad2d17f2ef
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/margin-trim-computed.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS margin-trim computed style</title>
+<link rel="help" href="https://www.w3.org/TR/css-box-4/#margin-trim">
+<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
+<meta name="assert" content="Test the computed values for margin-trim">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("margin-trim", "none");
+test_computed_value("margin-trim", "block");
+test_computed_value("margin-trim", "inline");
+test_computed_value("margin-trim", "block-start block-end", "block");
+test_computed_value("margin-trim", "inline-start inline-end", "inline");
+test_computed_value("margin-trim", "block-start");
+test_computed_value("margin-trim", "block-end");
+test_computed_value("margin-trim", "inline-start");
+test_computed_value("margin-trim", "inline-end");
+test_computed_value("margin-trim", "block-start inline-start");
+test_computed_value("margin-trim", "inline-start block-start", "block-start inline-start");
+test_computed_value("margin-trim", "inline-end block-start", "block-start inline-end");
+test_computed_value("margin-trim", "inline-end block-end", "block-end inline-end");
+test_computed_value("margin-trim", "block-start block-end inline-start", "block-start inline-start block-end");
+test_computed_value("margin-trim", "inline-start block-start inline-end block-end", "block-start inline-start block-end inline-end");
+test_computed_value("margin-trim", "inline-start inline-end block-start", "block-start inline-start inline-end");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/margin-trim.html b/testing/web-platform/tests/css/css-box/parsing/margin-trim.html
new file mode 100644
index 0000000000..0d92f80b9b
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/margin-trim.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS margin-trim: property parsing</title>
+<link rel="help" href="https://www.w3.org/TR/css-box-4/#margin-trim">
+<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
+<meta name="assert" content="Test parsing for the margin-trim property">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+// Individual values should get set
+test_valid_value("margin-trim", "none");
+test_valid_value("margin-trim", "block");
+test_valid_value("margin-trim", "inline");
+test_valid_value("margin-trim", "block-start");
+test_valid_value("margin-trim", "block-end");
+test_valid_value("margin-trim", "inline-start");
+test_valid_value("margin-trim", "inline-end");
+
+// Serialize values into either block or inline
+test_valid_value("margin-trim", "block-start block-end", "block");
+test_valid_value("margin-trim", "inline-start inline-end", "inline");
+test_valid_value("margin-trim", "block-end block-start", "block");
+test_valid_value("margin-trim", "inline-end inline-start", "inline");
+test_valid_value("margin-trim", "inline-start block-start");
+
+test_valid_value("margin-trim", "inline-end block-start block-end");
+test_valid_value("margin-trim", "block-start inline-start block-end inline-end");
+test_valid_value("margin-trim", "inline-end block-end inline-start block-start");
+
+test_invalid_value("margin-trim", "block inline");
+test_invalid_value("margin-trim", "block block");
+test_invalid_value("margin-trim", "inline inline");
+test_invalid_value("margin-trim", "block inline-start inline-end");
+test_invalid_value("margin-trim", "block block-start block-end");
+test_invalid_value("margin-trim", "block-start block-end block");
+test_invalid_value("margin-trim", "block 10px");
+test_invalid_value("margin-trim", "auto");
+test_invalid_value("margin-trim", "left");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/margin-valid.html b/testing/web-platform/tests/css/css-box/parsing/margin-valid.html
new file mode 100644
index 0000000000..154aa2de7c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/margin-valid.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing margin with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-margin">
+<meta name="assert" content="margin supports the full grammar '[ <length> | <percentage> | auto]{1,4}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("margin", "10px");
+test_valid_value("margin", "20%");
+test_valid_value("margin", "calc(2em + 3ex)");
+test_valid_value("margin", "auto");
+test_valid_value("margin", "-10px");
+test_valid_value("margin", "-20%");
+
+test_valid_value("margin", "calc(2em + 3ex) auto");
+test_valid_value("margin", "auto calc(2em + 3ex) 20%");
+test_valid_value("margin", "10px 20% calc(2em + 3ex) auto");
+
+test_valid_value("margin-top", "10px");
+test_valid_value("margin-right", "20%");
+test_valid_value("margin-bottom", "calc(2em + 3ex)");
+test_valid_value("margin-left", "auto");
+test_valid_value("margin-top", "-10px");
+test_valid_value("margin-right", "-20%");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/max-height-invalid.html b/testing/web-platform/tests/css/css-box/parsing/max-height-invalid.html
new file mode 100644
index 0000000000..aeb6e64808
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/max-height-invalid.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing max-height with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-max-height">
+<meta name="assert" content="max-height supports only the grammar '[ [<length> | <percentage>] && [border-box | content-box]? ] | available | min-content | max-content | fit-content | none'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("max-height", "complex");
+test_invalid_value("max-height", "auto");
+test_invalid_value("max-height", "none available");
+test_invalid_value("max-height", "max-content 10px");
+test_invalid_value("max-height", "20% available");
+
+test_invalid_value("max-height", "-10px");
+test_invalid_value("max-height", "-20%");
+test_invalid_value("max-height", "60");
+test_invalid_value("max-height", "10px 20%");
+test_invalid_value("max-height", "content-box border-box");
+test_invalid_value("max-height", "10px border-box 20%");
+test_invalid_value("max-height", "content-box 20% border-box");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/max-height-valid.html b/testing/web-platform/tests/css/css-box/parsing/max-height-valid.html
new file mode 100644
index 0000000000..04880c4903
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/max-height-valid.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing max-height with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-max-height">
+<meta name="assert" content="max-height supports the full grammar '[ [<length> | <percentage>] && [border-box | content-box]? ] | available | min-content | max-content | fit-content | none'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("max-height", "none");
+
+test_valid_value("max-height", "10px");
+test_valid_value("max-height", "20%");
+test_valid_value("max-height", "calc(2em + 3ex)");
+
+test_valid_value("max-height", "min-content");
+test_valid_value("max-height", "max-content");
+test_valid_value("max-height", "fit-content");
+
+// The following are not yet supported by browsers:
+// test_valid_value("max-height", "available");
+// test_valid_value("max-height", "10px border-box");
+// test_valid_value("max-height", "content-box 20%", "20% content-box");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/max-width-invalid.html b/testing/web-platform/tests/css/css-box/parsing/max-width-invalid.html
new file mode 100644
index 0000000000..03db7e2657
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/max-width-invalid.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing max-width with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-max-width">
+<meta name="assert" content="max-width supports only the grammar '[ [<length> | <percentage>] && [border-box | content-box]? ] | available | min-content | max-content | fit-content | none'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("max-width", "complex");
+test_invalid_value("max-width", "auto");
+test_invalid_value("max-width", "none available");
+test_invalid_value("max-width", "max-content 10px");
+test_invalid_value("max-width", "20% available");
+
+test_invalid_value("max-width", "-10px");
+test_invalid_value("max-width", "-20%");
+test_invalid_value("max-width", "60");
+test_invalid_value("max-width", "10px 20%");
+test_invalid_value("max-width", "content-box border-box");
+test_invalid_value("max-width", "10px border-box 20%");
+test_invalid_value("max-width", "content-box 20% border-box");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/max-width-valid.html b/testing/web-platform/tests/css/css-box/parsing/max-width-valid.html
new file mode 100644
index 0000000000..1e08a820d9
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/max-width-valid.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing max-width with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-max-width">
+<meta name="assert" content="max-width supports the full grammar '[ [<length> | <percentage>] && [border-box | content-box]? ] | available | min-content | max-content | fit-content | none'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("max-width", "none");
+
+test_valid_value("max-width", "10px");
+test_valid_value("max-width", "20%");
+test_valid_value("max-width", "calc(2em + 3ex)");
+
+test_valid_value("max-width", "min-content");
+test_valid_value("max-width", "max-content");
+test_valid_value("max-width", "fit-content");
+
+// The following are not yet supported by browsers:
+// test_valid_value("max-width", "available");
+// test_valid_value("max-width", "10px border-box");
+// test_valid_value("max-width", "content-box 20%", "20% content-box");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/overflow-invalid.html b/testing/web-platform/tests/css/css-box/parsing/overflow-invalid.html
new file mode 100644
index 0000000000..4747764fb6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/overflow-invalid.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing overflow with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-overflow">
+<meta name="assert" content="overflow supports only the grammar '[ visible | hidden | scroll | auto | no-display | no-content ]{1,2}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("overflow", "none");
+test_invalid_value("overflow", "visible hidden scroll");
+test_invalid_value("overflow", "no-display, no-content");
+
+test_invalid_value("overflow-x", "none");
+test_invalid_value("overflow-y", "visible hidden");
+test_invalid_value("overflow-y", "no-display, no-content");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/overflow-valid.html b/testing/web-platform/tests/css/css-box/parsing/overflow-valid.html
new file mode 100644
index 0000000000..1bfeec2364
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/overflow-valid.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing overflow with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-overflow">
+<meta name="assert" content="overflow supports the full grammar '[ visible | hidden | scroll | auto | no-display | no-content ]{1,2}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("overflow", "visible");
+test_valid_value("overflow", "hidden");
+test_valid_value("overflow", "scroll");
+test_valid_value("overflow", "auto");
+
+test_valid_value("overflow-x", "visible");
+test_valid_value("overflow-x", "hidden");
+test_valid_value("overflow-x", "scroll");
+test_valid_value("overflow-y", "auto");
+
+// The following are not yet supported by browsers:
+// test_valid_value("overflow", "no-display");
+// test_valid_value("overflow", "no-content");
+// test_valid_value("overflow", "visible hidden");
+// test_valid_value("overflow", "auto scroll");
+// test_valid_value("overflow", "no-display no-content");
+// test_valid_value("overflow-y", "no-display");
+// test_valid_value("overflow-y", "no-content");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/padding-computed.html b/testing/web-platform/tests/css/css-box/parsing/padding-computed.html
new file mode 100644
index 0000000000..f1186c4530
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/padding-computed.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: getComputedStyle().padding</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-padding">
+<link rel="help" href="https://drafts.csswg.org/cssom/#resolved-values">
+<meta name="assert" content="padding resolved value is an absolute length.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+<style>
+  #container {
+    will-change: transform; /* containing block for #target */
+    width: 200px;
+  }
+  #parent {
+    width: 0px;
+  }
+  #target {
+    position: absolute;
+    font-size: 40px;
+  }
+</style>
+</head>
+<body>
+<div id="container">
+  <div id="parent">
+    <div id="target"></div>
+  </div>
+</div>
+<script>
+test_computed_value("padding", "10px");
+test_computed_value("padding", "10px 20px 30px 40px");
+
+test_computed_value("padding-top", "10px");
+test_computed_value("padding-right", "20px");
+test_computed_value("padding-bottom", "30px");
+test_computed_value("padding-left", "40px");
+
+test_computed_value("padding", "20%", "40px");
+test_computed_value("padding", "10px 20% 30% 40px", "10px 40px 60px");
+test_computed_value("padding-right", "20%", "40px");
+
+test_computed_value('padding-top', 'calc(10% - 40px)', '0px');
+test_computed_value('padding-right', 'calc(10% + 40px)', '60px');
+test_computed_value('padding-bottom', 'calc(10px - 0.5em)', '0px');
+test_computed_value('padding-left', 'calc(10px + 0.5em)', '30px');
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/padding-invalid.html b/testing/web-platform/tests/css/css-box/parsing/padding-invalid.html
new file mode 100644
index 0000000000..3e3a560c2f
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/padding-invalid.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing padding with invalid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-padding">
+<meta name="assert" content="padding supports only the grammar '<length-percentage>{1,4}'.">
+<meta name="assert" content="Negative values are invalid.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("padding", "auto");
+test_invalid_value("padding", "available");
+test_invalid_value("padding", "10px border-box");
+test_invalid_value("padding", "calc(2em + 3ex) auto");
+test_invalid_value("padding", "10px 20px 30px 40px 50px");
+
+test_invalid_value("padding-top", "auto");
+test_invalid_value("padding-bottom", "10px 20px calc(2em + 3ex) auto");
+test_invalid_value("padding-bottom-left", "10px 20px");
+
+test_invalid_value("padding-top", "-10px");
+test_invalid_value("padding-right", "-20%");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/padding-shorthand.html b/testing/web-platform/tests/css/css-box/parsing/padding-shorthand.html
new file mode 100644
index 0000000000..dc0139dc47
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/padding-shorthand.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: padding sets longhands</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-padding">
+<meta name="assert" content="padding supports the full grammar '<length-percentage>{1,4}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/shorthand-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_shorthand_value('padding', '1px 2px 3px 4px', {
+  'padding-top': '1px',
+  'padding-right': '2px',
+  'padding-bottom': '3px',
+  'padding-left': '4px'
+});
+
+test_shorthand_value('padding', '1px 2px 3px', {
+  'padding-top': '1px',
+  'padding-right': '2px',
+  'padding-bottom': '3px',
+  'padding-left': '2px'
+});
+
+test_shorthand_value('padding', '1px 2px', {
+  'padding-top': '1px',
+  'padding-right': '2px',
+  'padding-bottom': '1px',
+  'padding-left': '2px'
+});
+
+test_shorthand_value('padding', '1px', {
+  'padding-top': '1px',
+  'padding-right': '1px',
+  'padding-bottom': '1px',
+  'padding-left': '1px'
+});
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/padding-valid.html b/testing/web-platform/tests/css/css-box/parsing/padding-valid.html
new file mode 100644
index 0000000000..36d158b4d0
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/padding-valid.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing padding with valid values</title>
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-padding">
+<meta name="assert" content="padding supports the full grammar '<length-percentage>{1,4}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("padding", "10px");
+test_valid_value("padding", "10px 20px 30px 40px");
+test_valid_value("padding", "calc(2em + 3ex)");
+
+test_valid_value("padding-top", "10px");
+test_valid_value("padding-right", "20px");
+test_valid_value("padding-bottom", "30px");
+test_valid_value("padding-left", "40px");
+
+test_valid_value("padding", "20%");
+test_valid_value("padding", "10px 20% 30% 40px");
+test_valid_value("padding-right", "20%");
+
+// https://drafts.csswg.org/css-values-4/#sort-a-calculations-children
+test_valid_value("padding-right", "calc(2em + 3%)", "calc(3% + 2em)");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/visibility-computed.html b/testing/web-platform/tests/css/css-box/parsing/visibility-computed.html
new file mode 100644
index 0000000000..f6d4c3f8e5
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/visibility-computed.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: getComputedStyle().visibility</title>
+<link rel="help" href="https://www.w3.org/TR/CSS2/visufx.html#visibility">
+<meta name="assert" content="visibility computed value is as specified.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/computed-testcommon.js"></script>
+</head>
+<body>
+<div id="target"></div>
+<script>
+test_computed_value("visibility", "visible");
+test_computed_value("visibility", "hidden");
+test_computed_value("visibility", "collapse");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/visibility-invalid.html b/testing/web-platform/tests/css/css-box/parsing/visibility-invalid.html
new file mode 100644
index 0000000000..73e611b2b8
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/visibility-invalid.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing visibility with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-visibility">
+<meta name="assert" content="visibility supports only the grammar 'visible | hidden | collapse'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("visibility", "auto");
+test_invalid_value("visibility", "hidden collapse");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/visibility-valid.html b/testing/web-platform/tests/css/css-box/parsing/visibility-valid.html
new file mode 100644
index 0000000000..2ab2f49660
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/visibility-valid.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing visibility with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-visibility">
+<meta name="assert" content="visibility supports the full grammar 'visible | hidden | collapse'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("visibility", "visible");
+test_valid_value("visibility", "hidden");
+test_valid_value("visibility", "collapse");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/width-invalid.html b/testing/web-platform/tests/css/css-box/parsing/width-invalid.html
new file mode 100644
index 0000000000..5a0145fe1d
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/width-invalid.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing width with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-width">
+<meta name="assert" content="width supports only the grammar '[<length> | <percentage>] | available | min-content | max-content | fit-content | auto'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("width", "complex");
+test_invalid_value("width", "none");
+
+test_invalid_value("width", "min-content available");
+test_invalid_value("width", "max-content 10px");
+test_invalid_value("width", "20% available");
+
+test_invalid_value("width", "-10px");
+test_invalid_value("width", "-20%");
+test_invalid_value("width", "60");
+test_invalid_value("width", "10px 20%");
+
+test_invalid_value("width", "10px border-box");
+test_invalid_value("width", "content-box 20%");
+</script>
+</body>
+</html>
diff --git a/testing/web-platform/tests/css/css-box/parsing/width-valid.html b/testing/web-platform/tests/css/css-box/parsing/width-valid.html
new file mode 100644
index 0000000000..93059bd2d3
--- /dev/null
+++ b/testing/web-platform/tests/css/css-box/parsing/width-valid.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS basic box model: parsing width with valid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-box-3/#propdef-width">
+<meta name="assert" content="width supports the full grammar '[<length> | <percentage>] | available | min-content | max-content | fit-content | auto'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_valid_value("width", "auto");
+
+test_valid_value("width", "10px");
+test_valid_value("width", "20%");
+test_valid_value("width", "calc(2em + 3ex)");
+
+test_valid_value("width", "min-content");
+test_valid_value("width", "max-content");
+test_valid_value("width", "fit-content");
+
+// The following is not yet supported by browsers:
+// test_valid_value("width", "available");
+</script>
+</body>
+</html>
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