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Diffstat (limited to 'layout/style/test/test_supports_rules.html')
| -rw-r--r-- | layout/style/test/test_supports_rules.html | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/layout/style/test/test_supports_rules.html b/layout/style/test/test_supports_rules.html new file mode 100644 index 0000000000..8b88fd7836 --- /dev/null +++ b/layout/style/test/test_supports_rules.html @@ -0,0 +1,88 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=649740 +--> +<head> + <title>Test for Bug 649740</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <style id="style"> + </style> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=649740">Mozilla Bug 649740</a> +<p id="display1"></p> +<p id="display2"></p> +<pre id="test"> +<script type="application/javascript"> + +/** Test for Bug 649740 **/ + +function condition(s) { + return s.replace(/^@supports\s*/, '').replace(/ \s*{\s*}\s*$/, ''); +} + +var styleSheetText = + "@supports(color: green){ }\n" + + "@supports (color: green) { }\n" + + "@supports ((color: green)) { }\n" + + "@supports (color: green) and (color: blue) { }\n" + + "@supports ( Font: 20px serif ! Important) { }"; + +function runTest() { + var style = document.getElementById("style"); + style.textContent = styleSheetText; + + var sheet = style.sheet; + + is(condition(sheet.cssRules[0].cssText), "(color: green)"); + is(condition(sheet.cssRules[1].cssText), "(color: green)"); + is(condition(sheet.cssRules[2].cssText), "((color: green))"); + is(condition(sheet.cssRules[3].cssText), "(color: green) and (color: blue)"); + is(condition(sheet.cssRules[4].cssText), "( Font: 20px serif ! Important)"); + + var cs1 = getComputedStyle(document.getElementById("display1"), ""); + var cs2 = getComputedStyle(document.getElementById("display2"), ""); + function check_balanced_condition(condition_inner, expected_match) { + style.textContent = "#display1, #display2 { text-decoration: overline }\n" + + "@supports " + condition_inner + "{\n" + + " #display1 { text-decoration: line-through }\n" + + "}\n" + + "#display2 { text-decoration: underline }\n"; + is(cs1.textDecorationLine, + expected_match ? "line-through" : "overline", + "@supports condition \"" + condition_inner + "\" should " + + (expected_match ? "" : "NOT ") + "match"); + is(cs2.textDecorationLine, "underline", + "@supports condition \"" + condition_inner + "\" should be balanced"); + } + + check_balanced_condition("not (color: green)", false); + check_balanced_condition("not (colour: green)", true); + check_balanced_condition("not(color: green)", false); + check_balanced_condition("not(colour: green)", false); + check_balanced_condition("not/* */(color: green)", false); + check_balanced_condition("not/* */(colour: green)", true); + check_balanced_condition("not /* */ (color: green)", false); + check_balanced_condition("not /* */ (colour: green)", true); + check_balanced_condition("(color: green) and (color: blue)", true); + check_balanced_condition("(color: green) /* */ /* */ and /* */ /* */ (color: blue)", true); + check_balanced_condition("(color: green) and(color: blue)", false); + check_balanced_condition("(color: green) and/* */(color: blue)", true); + check_balanced_condition("(color: green)and (color: blue)", true); + check_balanced_condition("(color: green) or (color: blue)", true); + check_balanced_condition("(color: green) /* */ /* */ or /* */ /* */ (color: blue)", true); + check_balanced_condition("(color: green) or(color: blue)", false); + check_balanced_condition("(color: green) or/* */(color: blue)", true); + check_balanced_condition("(color: green)or (color: blue)", true); + + SimpleTest.finish(); +} + +SimpleTest.waitForExplicitFinish(); +runTest(); +</script> +</pre> +</body> +</html> |