at-container-style-serialization.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries/at-container-style-serialization.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>CSS Container Queries: style() conditionText serialization</title>

<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries">

<link rel="help" href="https://drafts.csswg.org/cssom/#serialize-a-css-rule">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="support/cq-testcommon.js"></script>

<style id="testSheet">

  @container style(        --foo:bar) { }

  @container STyle(--foo:    ) { }

  @container STyle(--foo:) { }

  @container STyle(--foo) { }

  @container  style(  ( --FOO: BAR) OR ( prop: val  ) ) { }

  @container style (--foo: bar) { }

  @container style(--foo: bar   baz) { }

  @container style(--foo:2.100  ) { }

</style>

<script>

  setup(() => {

    assert_implements_style_container_queries();

    assert_equals(testSheet.sheet.cssRules.length, 8);

});

  const tests = [

      ["style(--foo: bar)", "Normalize spaces"],

      ["style(--foo: )", "Empty declaration value - spaces"],

      ["style(--foo: )", "Empty declaration value"],

      ["style(--foo)", "No declaration value"],

      ["style((--FOO: BAR) or ( prop: val  ))", "Unknown CSS property after 'or'"],

      ["style (--foo: bar)", "Not a style function with space before '('"],

      ["style(--foo: bar   baz)", "Spaces preserved in custom property value"],

      ["style(--foo: 2.100)", "Original string number in custom property value"]

  ].map((e, i) => [testSheet.sheet.cssRules[i], ...e]);

  tests.forEach((t) => {

    test(() => assert_equals(t[0].conditionText, t[1]), t[2]);

});

</script>