55 lines
1.9 KiB
HTML
55 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>CSS Background and Borders Test: invalid box-shadow declarations</title>
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<!--
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Created: May 20th 2023
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Last modified: May 20th 2023
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-->
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
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<link rel="help" href="https://www.w3.org/TR/css-backgrounds-3/#box-shadow">
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<link rel="match" href="reference/ref-filled-green-100px-square.xht">
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<meta content="This test checks that 'box-shadow' accepts either the 'none' value or (exclusive or) a comma-separated list of shadows but not both at the same time." name="assert">
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<meta content="invalid" name="flags">
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<!--
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<shadow> = <color>? && [<length>{2} <length [0,∞]>? <length>?] && inset?
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The box-shadow property attaches one or more drop-shadows to
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the box. The property accepts either the none value, which
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indicates no shadows, or a comma-separated list of shadows,
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ordered front to back.
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-->
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<style>
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div
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{
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background-color: red;
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box-shadow: green 100px 100px inset;
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/*
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This inset 'box-shadow' declaration will paint and cover
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the inside of the red square. This way, we verify that
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the UA actually supports 'box-shadow'.
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*/
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box-shadow: none, red 0px -100px, red 100px 0px, red 0px 100px, red -100px 0px; /* invalid */
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box-shadow: red 0px -100px, none, red 100px 0px, red 0px 100px, red -100px 0px; /* invalid */
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box-shadow: red 0px -100px, red 100px 0px, none, red 0px 100px, red -100px 0px; /* invalid */
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box-shadow: red 0px -100px, red 100px 0px, red 0px 100px, none, red -100px 0px; /* invalid */
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box-shadow: red 0px -100px, red 100px 0px, red 0px 100px, red -100px 0px, none; /* invalid */
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height: 100px;
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width: 100px;
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}
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</style>
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<p>Test passes if there is a filled green square and <strong>no red</strong>.
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<div></div>
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