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https://gitlab.winehq.org/wine/wine-gecko.git
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172 lines
5.8 KiB
HTML
172 lines
5.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=435441
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-->
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<head>
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<title>Test for Bug 435441</title>
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<script type="application/javascript" src="/MochiKit/packed.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=435441">Mozilla Bug 435441</a>
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<div id="content" style="display: none"></div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 435441 **/
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/**
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* I want to test a reasonable number of combinations rather than all of
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* them, but I also want the test results to be reproducable. So use a
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* simple random number generator with my own seed. See
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* http://en.wikipedia.org/wiki/Linear_congruential_generator
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* (Using the numbers from Numerical Recipes.)
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*/
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var rand_state = 1938266273; // a randomly (once) generated number in [0,2^32)
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var all_integers = true;
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function myrand()
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{
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rand_state = ((rand_state * 1664525) + 1013904223) % 0x100000000;
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all_integers = all_integers &&
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Math.ceil(rand_state) == Math.floor(rand_state);
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return rand_state / 0x100000000; // return value in [0,1)
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}
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// We want to test a bunch of values for each property.
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// Each of these values will also have a "computed" property filled in
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// below, so that we ensure it always computes to the same value.
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var values = {
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"-moz-transition-duration":
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[
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{ lone: true, specified: "-moz-initial" },
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{ lone: false, specified: "2s" },
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{ lone: false, specified: "0s" },
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{ lone: false, specified: "430ms" },
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{ lone: false, specified: "-1s" },
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],
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"-moz-transition-property":
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[
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{ lone: true, specified: "-moz-initial" },
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{ lone: true, specified: "none" },
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{ lone: true, specified: "all" },
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{ lone: false, specified: "color" },
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{ lone: false, specified: "border-spacing" },
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// Make sure to test the "unknown property" case.
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{ lone: false, specified: "unsupported-property" },
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{ lone: false, specified: "-other-unsupported-property" },
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],
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"-moz-transition-timing-function":
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[
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{ lone: true, specified: "-moz-initial" },
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{ lone: false, specified: "linear" },
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{ lone: false, specified: "ease" },
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{ lone: false, specified: "ease-in-out" },
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{ lone: false, specified: "cubic-bezier(0, 0, 0.63, 1.00)" },
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],
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"-moz-transition-delay":
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[
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{ lone: true, specified: "-moz-initial" },
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{ lone: false, specified: "2s" },
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{ lone: false, specified: "0s" },
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{ lone: false, specified: "430ms" },
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{ lone: false, specified: "-1s" },
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],
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};
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var elt = document.getElementById("content");
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var cs = getComputedStyle(elt, "");
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// Add the "computed" property to all of the above values.
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for (var prop in values) {
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var valueset = values[prop];
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for (var index in valueset) {
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var item = valueset[index];
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elt.style.setProperty(prop, item.specified, "");
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item.computed = cs.getPropertyValue(prop);
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elt.style.removeProperty(prop);
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isnot(item.computed, "", "computed value must not be empty");
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if (index != 0) {
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isnot(item.computed, valueset[index-1].computed,
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"computed value must not be the same as the last one");
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}
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}
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}
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var child = document.createElement("div");
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elt.appendChild(child);
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var child_cs = getComputedStyle(child, "");
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// Now test a hundred random combinations of values on the parent and
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// child.
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for (var iteration = 0; iteration < 100; ++iteration) {
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// Figure out values on the parent.
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var parent_vals = {};
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for (var prop in values) {
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var valueset = values[prop];
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var list_length = Math.ceil(Math.pow(myrand(), 2) * 6);
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// 41% chance of length 1
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var specified = [];
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var computed = [];
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for (var i = 0; i < list_length; ++i) {
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var index;
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do {
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index = Math.floor(myrand() * valueset.length);
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} while (list_length != 1 && valueset[index].lone);
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specified.push(valueset[index].specified);
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computed.push(valueset[index].computed);
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}
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parent_vals[prop] = { specified: specified.join(", "),
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computed: computed.join(", ") };
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elt.style.setProperty(prop, parent_vals[prop].specified, "");
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}
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// Figure out values on the child.
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var child_vals = {};
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for (var prop in values) {
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var valueset = values[prop];
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// Use 0 as a magic value for "inherit".
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var list_length = Math.floor(Math.pow(myrand(), 1.5) * 7);
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// 27% chance of inherit
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// 16% chance of length 1
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if (list_length == 0) {
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child_vals[prop] = { specified: "inherit",
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computed: parent_vals[prop].computed };
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} else {
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var specified = [];
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var computed = [];
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for (var i = 0; i < list_length; ++i) {
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var index;
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do {
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index = Math.floor(myrand() * valueset.length);
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} while (list_length != 1 && valueset[index].lone);
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specified.push(valueset[index].specified);
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computed.push(valueset[index].computed);
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}
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child_vals[prop] = { specified: specified.join(", "),
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computed: computed.join(", ") };
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}
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child.style.setProperty(prop, child_vals[prop].specified, "");
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}
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// Test computed values
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for (var prop in values) {
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is(cs.getPropertyValue(prop), parent_vals[prop].computed,
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"computed value of " + prop + ": " + parent_vals[prop].specified +
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" on parent.");
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is(child_cs.getPropertyValue(prop), child_vals[prop].computed,
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"computed value of " + prop + ": " + child_vals[prop].specified +
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" on child.");
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}
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}
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ok(all_integers, "pseudo-random number generator kept its numbers " +
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"as integers throughout run");
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</script>
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</pre>
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</body>
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</html>
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