forked from mirrors/gecko-dev
0a8ff0ad85
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D35951 --HG-- extra : source : 62f3501af4bc1c0bd1ee1977a28aee04706a6663
100 lines
3 KiB
JavaScript
100 lines
3 KiB
JavaScript
/**
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* Test for Bug 493881: Changes to legacy HTML color properties before the BODY is loaded
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* should be ignored. Additionally, after BODY loads, setting any of these properties to undefined
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* should cause them to be returned as the string "undefined".
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*/
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SimpleTest.waitForExplicitFinish();
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var legacyProps = [
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"fgColor",
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"bgColor",
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"linkColor",
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"vlinkColor",
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"alinkColor",
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];
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var testColors = ["blue", "silver", "green", "orange", "red"];
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var rgbTestColors = [
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"rgb(255, 0, 0)",
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"rgb(192, 192, 192)",
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"rgb(0, 128, 0)",
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"rgb(255, 165, 0)",
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"rgb(255, 0, 0)",
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];
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var idPropList = [
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{ id: "plaintext", prop: "color" },
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{ id: "body", prop: "background-color" },
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{ id: "nonvisitedlink", prop: "color" },
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{ id: "visitedlink", prop: "color" },
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];
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var initialValues = [];
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function setAndTestProperty(prop, color) {
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var initial = document[prop];
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document[prop] = color;
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is(document[prop], initial, "document[" + prop + "] not ignored before body");
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return initial;
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}
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/**
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* Attempt to set legacy color properties before BODY exists, and verify that such
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* attempts are ignored.
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*/
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for (let i = 0; i < legacyProps.length; i++) {
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initialValues[i] = setAndTestProperty(legacyProps[i], testColors[i]);
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}
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/**
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* After BODY loads, run some more tests.
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*/
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addLoadEvent(function() {
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// Verify that the legacy color properties still have their original values.
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for (let i = 0; i < legacyProps.length; i++) {
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is(
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document[legacyProps[i]],
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initialValues[i],
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"document[" + legacyProps[i] + "] altered after body load"
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);
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}
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// Verify that legacy color properties applied before BODY are really ignored when rendering.
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// Save current computed style colors for later use.
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for (let i = 0; i < idPropList.length; i++) {
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var style = window.getComputedStyle(
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document.getElementById(idPropList[i].id)
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);
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var color = style.getPropertyValue(idPropList[i].prop);
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idPropList[i].initialComputedColor = color;
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isnot(color, rgbTestColors[i], "element rendered using before-body style");
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}
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// XXX: Can't get links to visually activate via script events, so can't verify
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// that the alinkColor property was not applied.
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// Verify that setting legacy color props to undefined after BODY loads will cause them
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// to be read as the string "undefined".
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for (let i = 0; i < legacyProps.length; i++) {
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document[legacyProps[i]] = undefined;
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is(
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document[legacyProps[i]],
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"undefined",
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"Unexpected value of " + legacyProps[i] + " after setting to undefined"
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);
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}
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// Verify that setting legacy color props to undefined led to result
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// of parsing undefined as a color.
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for (let i = 0; i < idPropList.length; i++) {
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var style = window.getComputedStyle(
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document.getElementById(idPropList[i].id)
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);
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var color = style.getPropertyValue(idPropList[i].prop);
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is(
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color,
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"rgb(0, 239, 14)",
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"element's style should get result of parsing undefined as a color"
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);
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}
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// Mark the test as finished.
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setTimeout(SimpleTest.finish, 0);
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});
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