зеркало из https://github.com/mozilla/pjs.git
Add tests for correct behavior of CSS property values under cloning.
This commit is contained in:
L. David Baron
Родитель
749fb667b9
Коммит
2190e7ee84
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@ -142,6 +142,7 @@ _TEST_FILES = test_acid3_test46.html \
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test_units_frequency.html \
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test_units_length.html \
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test_units_time.html \
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test_value_cloning.html \
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test_value_computation.html \
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test_value_storage.html \
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test_visited_pref.html \
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@ -0,0 +1,153 @@
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=375363
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-->
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<head>
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<title>Test for cloning of CSS property values (including 'inherit' and '-moz-initial')</title>
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<script type="text/javascript" src="/MochiKit/packed.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="property_database.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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<p id="display"><iframe id="iframe" src="about:blank"></iframe></p>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/** Test for cloning of CSS property values (including 'inherit' and '-moz-initial') **/
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var test_queue = [];
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var iframe = document.getElementById("iframe");
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var current_item;
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SimpleTest.waitForExplicitFinish();
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for (var prop in gCSSProperties) {
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var info = gCSSProperties[prop];
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test_queue.push({ prop: prop, value: "inherit",
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inherited_value: info.initial_values[0] });
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test_queue.push({ prop: prop, value: "inherit",
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inherited_value: info.other_values[0] });
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test_queue.push({ prop: prop, value: "-moz-initial" });
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for (var idx in info.initial_values) {
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test_queue.push({ prop: prop, value: info.initial_values[idx] });
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}
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for (var idx in info.other_values) {
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test_queue.push({ prop: prop, value: info.other_values[idx] });
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}
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}
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test_queue.reverse();
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process_next_item();
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function process_next_item()
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{
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if (test_queue.length == 0) {
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SimpleTest.finish();
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return;
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}
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current_item = test_queue.pop();
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var info = gCSSProperties[current_item.prop];
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var sheet_data = "";
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sheet_data += "#parent, #test { ";
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for (var prereq in info.prereqs) {
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sheet_data += prereq + ": " + info.prereqs[prereq] + ";";
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}
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sheet_data += " }";
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sheet_data += "#parent { ";
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if ("inherited_value" in current_item) {
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sheet_data += current_item.prop + ": " + current_item.inherited_value;
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}
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sheet_data += " }";
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sheet_data += "#test { ";
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sheet_data += current_item.prop + ": " + current_item.value;
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sheet_data += " }";
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var sheet_url = "data:text/css," + escape(sheet_data);
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var doc_data =
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"<!DOCTYPE HTML>\n" +
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"<link rel='stylesheet' type='text/css' href='" + sheet_url + "'>\n" +
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"<link rel='stylesheet' type='text/css' href='" + sheet_url + "'>\n" +
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"<body>\n";
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if ("inherited_value" in current_item) {
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doc_data += "<span id='parent'>";
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}
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doc_data += "<span id='test'></span>";
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if ("inherited_value" in current_item) {
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doc_data += "</span>";
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}
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var doc_url = "data:text/html," + escape(doc_data);
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iframe.onload = iframe_loaded;
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iframe.src = doc_url;
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}
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function iframe_loaded(event)
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{
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if (event.target != iframe)
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return;
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var info = gCSSProperties[current_item.prop];
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var ifdoc = iframe.contentDocument;
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var test = ifdoc.getElementById("test");
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var test_cs = iframe.contentWindow.getComputedStyle(test, "");
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var start_ser =
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ifdoc.styleSheets[0].cssRules[2].style.getPropertyValue(current_item.prop);
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if (start_ser == "") {
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isnot(start_ser, "",
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"serialization should be nonempty for " +
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current_item.prop + ": " + current_item.value);
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}
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var start_compute;
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if (!("backend_only" in info)) {
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start_compute = get_computed_value(test_cs, current_item.prop);
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if (start_compute == "") {
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isnot(start_compute, "",
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"computed value should be nonempty for " +
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current_item.prop + ": " + current_item.value);
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}
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}
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// In case the above access didn't force a clone already (though it
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// currently does), clone the second style sheet's inner and then
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// remove the first.
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ifdoc.styleSheets[1].insertRule("#nonexistent { color: red }", 0);
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var firstlink = ifdoc.getElementsByTagName("link")[0];
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firstlink.parentNode.removeChild(firstlink);
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// Force a flush
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ifdoc.body.style.display="none";
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var ow = ifdoc.body.offsetWidth;
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ifdoc.body.style.display="";
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var end_ser =
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ifdoc.styleSheets[0].cssRules[3].style.getPropertyValue(current_item.prop);
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is(end_ser, start_ser,
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"serialization should match when cloning " +
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current_item.prop + ": " + current_item.value);
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if (!("backend_only" in info)) {
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var end_compute = get_computed_value(test_cs, current_item.prop);
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is(end_compute, start_compute,
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"computed values should match when cloning " +
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current_item.prop + ": " + current_item.value);
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}
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process_next_item();
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}
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</script>
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</pre>
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</body>
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</html>
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