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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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<!DOCTYPE html>
<title>Test serialization of specified CSS variable values</title>
<script src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" type="text/css">
<style id=style1>#test { }</style>
<style id=style2></style>
<script>
// Values that should be serialized back to the same string.
var values_with_unchanged_specified_value_serialization = [
"var(--a)",
"var(--a)",
"var(--a) ",
"var( --a ) ",
"var(--a, )",
"var(--a,/**/a)",
"1px var(--a)",
"var(--a) 1px",
"something 3px url(whereever) calc(var(--a) + 1px)",
"var(--a)",
"var(--a)var(--b)",
"var(--a, var(--b, var(--c, black)))",
"var(--a) <!--",
"--> var(--a)",
"{ [ var(--a) ] }",
"[;] var(--a)",
"var(--a,(;))",
"VAR(--a)",
"var(--0)",
"var(--\\30)",
"var(--\\d800)",
"var(--\\ffffff)",
];
// Values that serialize differently, due to additional implied closing
// characters at EOF.
var values_with_changed_specified_value_serialization = [
["var(--a", "var(--a)"],
["var(--a , ", "var(--a , )"],
["var(--a, ", "var(--a, )"],
["var(--a, var(--b", "var(--a, var(--b))"],
["var(--a /* unclosed comment", "var(--a /* unclosed comment*/)"],
["var(--a /* unclosed comment *", "var(--a /* unclosed comment */)"],
["[{(((var(--a", "[{(((var(--a))))}]"],
["var(--a, \"unclosed string", "var(--a, \"unclosed string\")"],
["var(--a, 'unclosed string", "var(--a, 'unclosed string')"],
["var(--a) \"unclosed string\\", "var(--a) \"unclosed string\""],
["var(--a) 'unclosed string\\", "var(--a) 'unclosed string'"],
["var(--a) \\", "var(--a) \\\ufffd"],
["var(--a) url(unclosedurl", "var(--a) url(unclosedurl)"],
["var(--a) url('unclosedurl", "var(--a) url('unclosedurl')"],
["var(--a) url(\"unclosedurl", "var(--a) url(\"unclosedurl\")"],
["var(--a) url(unclosedurl\\", "var(--a) url(unclosedurl\\\ufffd)"],
["var(--a) url('unclosedurl\\", "var(--a) url('unclosedurl')"],
["var(--a) url(\"unclosedurl\\", "var(--a) url(\"unclosedurl\")"],
];
var style1 = document.getElementById("style1");
var style2 = document.getElementById("style2");
var decl = style1.sheet.cssRules[0].style;
function test_specified_value_serialization(value, expected) {
// Test setting value on a custom property with setProperty.
decl.setProperty("--test", value, "");
is(decl.getPropertyValue("--test"), expected,
"value with identical serialization set on custom property with setProperty");
// Test setting value on a custom property via style sheet parsing.
style2.textContent = "#test { --test:" + value;
is(style2.sheet.cssRules[0].style.getPropertyValue("--test"), expected,
"value with identical serialization set on custom property via parsing");
// Test setting value on a non-custom longhand property with setProperty.
decl.setProperty("color", value, "");
is(decl.getPropertyValue("color"), expected,
"value with identical serialization set on non-custom longhand property with setProperty");
// Test setting value on a non-custom longhand property via style sheet parsing.
style2.textContent = "#test { color:" + value;
is(style2.sheet.cssRules[0].style.getPropertyValue("color"), expected,
"value with identical serialization set on non-custom longhand property via parsing");
// Test setting value on a non-custom shorthand property with setProperty.
decl.setProperty("margin", value, "");
is(decl.getPropertyValue("margin"), expected,
"value with identical serialization set on non-custom shorthand property with setProperty");
// Test setting value on a non-custom shorthand property via style sheet parsing.
style2.textContent = "#test { margin:" + value;
is(style2.sheet.cssRules[0].style.getPropertyValue("margin"), expected,
"value with identical serialization set on non-custom shorthand property via parsing");
// Clean up.
decl.removeProperty("--test");
decl.removeProperty("color");
decl.removeProperty("margin");
}
function runTest() {
values_with_unchanged_specified_value_serialization.forEach(function(value) {
test_specified_value_serialization(value, value);
});
values_with_changed_specified_value_serialization.forEach(function(pair) {
test_specified_value_serialization(pair[0], pair[1]);
});
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({ set: [["layout.css.variables.enabled", true]] },
runTest);
</script>