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diff --git a/dom/plugins/test/mochitest/test_queryCSSZoomFactor.html b/dom/plugins/test/mochitest/test_queryCSSZoomFactor.html
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+<html>
+ <head>
+ <title>NPAPI NPNVcontentsScaleFactor Test</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="plugin-utils.js"></script>
+ </head>
+
+ <body onload="runTests()">
+ <script class="testbody" type="application/javascript">
+ SimpleTest.waitForExplicitFinish();
+ setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
+
+ function checkZoomFactor(zoomFactor, expectedValue) {
+ // Done as if/ok instead of is() so we don't spam test results
+ if (isNaN(zoomFactor)) {
+ ok(false, "Return should be valid when getting CSS zoom factor");
+ }
+ return (expectedValue - zoomFactor) < 0.00001;
+ }
+
+ function testZoom() {
+ var pluginElement = document.getElementById("plugin");
+ // setTimeout loop on value checks, as zoom value updates can take some
+ // time and we don't have a good event to listen for.
+ if (!checkZoomFactor(pluginElement.queryCSSZoomFactorGetValue(), 2.0) ||
+ !checkZoomFactor(pluginElement.queryCSSZoomFactorSetValue(), 2.0)) {
+ setTimeout(testZoom, 0);
+ return;
+ }
+ ok(true, "Zoom values set to 2.0 as expected");
+ // set back to 1 when we're done otherwise later tests can fail
+ SpecialPowers.setFullZoom(window, 1.0);
+ SimpleTest.finish();
+ }
+
+ function runTests() {
+ var pluginElement = document.getElementById("plugin");
+ // Don't check SetValue yet, needs to happen after zoom has been explicitly set.
+ ok(checkZoomFactor(pluginElement.queryCSSZoomFactorGetValue(), 1.0), "Zoom values set to 1.0 as expected");
+ SpecialPowers.setFullZoom(window, 2.0);
+ // Check for new zoom value sometime after we've spun event loop to repaint.
+ setTimeout(testZoom, 0);
+ }
+ </script>
+
+ <embed id="plugin" type="application/x-test" width="400" height="400"></embed>
+ </body>
+</html>