[css-logical] Inheritance, initial values (#14948)
Test that CSS Logical Properties and Values properties do not inherit.
Test that initial values match the spec.
https://www.w3.org/TR/css-logical-1/#property-index
Co-authored-by: Eric Willigers <ericwilligers@chromium.org>
diff --git a/css/css-logical/inheritance.html b/css/css-logical/inheritance.html
new file mode 100644
index 0000000..5546a20
--- /dev/null
+++ b/css/css-logical/inheritance.html
@@ -0,0 +1,95 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Inheritance of CSS Logical Properties and Values properties</title>
+<link rel="help" href="https://www.w3.org/TR/css-logical-1/#property-index">
+<meta name="assert" content="Properties do not inherit.">
+<meta name="assert" content="Properties have initial values according to the spec.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/inheritance-testcommon.js"></script>
+</head>
+<body>
+<div id="reference-container">
+ <div id="reference"></div>
+</div>
+<div id="container">
+ <div id="target"></div>
+</div>
+<style>
+#reference-container {
+ width: 300px;
+}
+#reference-container, #reference {
+ border-style: solid; /* Avoid border-top-width computed style 0 */
+ border-top-width: medium;
+}
+
+#container, #target {
+ border-block-end-style: solid; /* Avoid border-block-end-width computed style 0 */
+ border-block-start-style: solid;
+ border-inline-end-style: solid;
+ border-inline-start-style: solid;
+}
+
+#container {
+ color: blue;
+ width: 300px;
+}
+</style>
+<script>
+'use strict';
+const blue = "rgb(0, 0, 255)";
+const green = "rgb(0, 128, 0)";
+const mediumWidth = getComputedStyle(reference).borderTopWidth; // e.g. 3px
+const referenceWidth = getComputedStyle(reference).width; // e.g. 294px
+
+assert_not_inherited('block-size', '0px', '10px');
+
+assert_not_inherited('border-block-end-color', blue, green);
+assert_not_inherited('border-block-end-style', 'none', 'dotted');
+assert_not_inherited('border-block-end-width', mediumWidth, '10px');
+
+assert_not_inherited('border-block-start-color', blue, green);
+assert_not_inherited('border-block-start-style', 'none', 'dotted');
+assert_not_inherited('border-block-start-width', mediumWidth, '10px');
+
+assert_not_inherited('border-end-end-radius', '0px', '10px 20px');
+assert_not_inherited('border-end-start-radius', '0px', '10px 20px');
+
+assert_not_inherited('border-inline-end-color', blue, green);
+assert_not_inherited('border-inline-end-style', 'none', 'dotted');
+assert_not_inherited('border-inline-end-width', mediumWidth, '10px');
+
+assert_not_inherited('border-inline-start-color', blue, green);
+assert_not_inherited('border-inline-start-style', 'none', 'dotted');
+assert_not_inherited('border-inline-start-width', mediumWidth, '10px');
+
+assert_not_inherited('border-start-end-radius', '0px', '10px 20px');
+assert_not_inherited('border-start-start-radius', '0px', '10px 20px');
+
+assert_not_inherited('inline-size', referenceWidth, '10px');
+
+assert_not_inherited('inset-block-end', 'auto', '10px');
+assert_not_inherited('inset-block-start', 'auto', '10px');
+assert_not_inherited('inset-inline-end', 'auto', '10px');
+assert_not_inherited('inset-inline-start', 'auto', '10px');
+
+assert_not_inherited('margin-block-end', '0px', '10px');
+assert_not_inherited('margin-block-start', '0px', '10px');
+assert_not_inherited('margin-inline-end', '0px', '10px');
+assert_not_inherited('margin-inline-start', '0px', '10px');
+
+assert_not_inherited('max-block-size', 'none', '10px');
+assert_not_inherited('max-inline-size', 'none', '10px');
+assert_not_inherited('min-block-size', '0px', '10px');
+assert_not_inherited('min-inline-size', '0px', '10px');
+
+assert_not_inherited('padding-block-end', '0px', '10px');
+assert_not_inherited('padding-block-start', '0px', '10px');
+assert_not_inherited('padding-inline-end', '0px', '10px');
+assert_not_inherited('padding-inline-start', '0px', '10px');
+</script>
+</body>
+</html>
