27 lines
835 B
HTML
27 lines
835 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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@supports (border: black) and (padding: 0) and (width: 0) {
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dfn { width:0; }
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}
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</style>
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</head>
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<body>
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<script src="../../resources/js-test-pre.js"></script>
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<script>
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description("Tests that the parameters to CSSSupportsRule.insertRule() / deleteRule() are mandatory.");
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var supportsRule = document.styleSheets[0].cssRules[0];
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shouldBe("supportsRule.__proto__", "CSSSupportsRule.prototype");
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shouldThrow("supportsRule.insertRule()", "'TypeError: Not enough arguments'");
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shouldBe("supportsRule.cssRules.length", "1");
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shouldNotThrow("supportsRule.insertRule('body { width: 0; }')");
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shouldBe("supportsRule.cssRules.length", "2");
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shouldThrow("supportsRule.deleteRule()", "'TypeError: Not enough arguments'");
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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</html>
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