162 lines
4.3 KiB
HTML
162 lines
4.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>CSS Selectors Invalidation: :is()</title>
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<link rel="author" title="Victoria Su" href="mailto:victoriaytsu@google.com">
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<link rel="help" href="https://drafts.csswg.org/selectors-4/#matches">
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<meta name="assert" content="This tests that the :is() selector is effective">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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.b {
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color: yellow;
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}
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/*Simple selector arguments */
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.a :is(.b, .c) {
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color: red;
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}
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/*Compound selector arguments */
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.a :is(.c#d, .e) {
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color: green;
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}
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/* Complex selector arguments */
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.a .g>.b {
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color: black;
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}
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.a :is(.e+.f, .g>.b, .h) {
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color: blue;
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}
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.g>.b {
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color: black;
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}
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.a .h {
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color: black;
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}
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/* Nested */
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.a+.c>.e {
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color: black;
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}
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.c>.a+.e {
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color: black;
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}
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.a+:is(.b+.f, :is(.c>.e, .g)) {
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color: red;
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}
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.c>.e {
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color: black;
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}
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/* Non-Subject Compound */
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.a:is(.b *) .c{
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color: blue;
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}
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</style>
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</head>
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<body>
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<div id="a1">
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<div class="b" id="b1">
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Red
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</div>
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<div class="c" id="c1">
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Red
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</div>
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<div class="c" id="d">
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Green
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</div>
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<div class="e" id="e1">
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Green
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</div>
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<div class="f" id="f1">
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Blue
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</div>
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<div class="g">
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<div class="b" id="b2">
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Blue
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<div class="b" id="b3">
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Red
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</div>
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</div>
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</div>
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<div class="h" id="h1">
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Blue
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</div>
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</div>
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<div class="c" id="c2">
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<div id="a2"></div>
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<div class="e" id="e2">
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Red
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</div>
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</div>
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<div id=b4>
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<div>
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<div class=a>
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<div class=c id="c3">
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Blue
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</div>
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</div>
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</div>
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</div>
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<script>
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document.body.offsetTop;
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var black = "rgb(0, 0, 0)";
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var blue = "rgb(0, 0, 255)";
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var green = "rgb(0, 128, 0)";
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var red = "rgb(255, 0, 0)";
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var yellow = "rgb(255, 255, 0)";
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test(() => {
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assert_equals(getComputedStyle(b1).color, yellow);
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assert_equals(getComputedStyle(b2).color, black);
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assert_equals(getComputedStyle(b3).color, yellow);
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assert_equals(getComputedStyle(c1).color, black);
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assert_equals(getComputedStyle(d).color, black);
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assert_equals(getComputedStyle(e1).color, black);
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assert_equals(getComputedStyle(e2).color, black);
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assert_equals(getComputedStyle(f1).color, black);
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assert_equals(getComputedStyle(h1).color, black);
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}, "Preconditions.");
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test(() => {
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a1.className = "a";
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assert_equals(getComputedStyle(b1).color, red);
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assert_equals(getComputedStyle(b3).color, red);
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assert_equals(getComputedStyle(c1).color, red);
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}, "Invalidate :is() for simple selector arguments.");
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test(() => {
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a1.className = "a";
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assert_equals(getComputedStyle(d).color, green);
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}, "Invalidate :is() for compound selector arguments.");
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test(() => {
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a1.className = "a";
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assert_equals(getComputedStyle(b2).color, blue);
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assert_equals(getComputedStyle(b3).color, red);
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assert_equals(getComputedStyle(f1).color, blue);
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}, "Invalidate :is() for complex selector arguments.");
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test(() => {
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a1.className = "a";
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assert_equals(getComputedStyle(e2).color, black);
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a2.className = "a";
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assert_equals(getComputedStyle(e2).color, red);
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}, "Invalidate nested :is().");
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test(() => {
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a1.className = "a";
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assert_equals(getComputedStyle(b2).color, blue);
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assert_equals(getComputedStyle(h1).color, blue);
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}, "Test specificity of :is().");
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test(() => {
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b4.className = "b";
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assert_equals(getComputedStyle(c3).color, blue);
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b4.className = "";
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assert_equals(getComputedStyle(c3).color, red);
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b4.className = "b";
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assert_equals(getComputedStyle(c3).color, blue);
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}, "Invalidate :is() in non-subject compound");
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</script>
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</body>
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</html>
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