73 lines
1.8 KiB
HTML
73 lines
1.8 KiB
HTML
<!-- webkit-test-runner [ UsesBackForwardCache=true ] -->
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<!DOCTYPE html>
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<html>
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<body>
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<script src="../../resources/js-test.js"></script>
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<script>
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let fileReader;
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const testString = 'x'.repeat(10 * 1024);
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let didRestoreFromBackForwardCache = false;
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let successfulyLoaded = false;
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window.addEventListener("pageshow", function(event) {
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debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache");
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if (event.persisted) {
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testPassed("Page did enter and was restored from the page cache");
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didRestoreFromBackForwardCache = true;
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}
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}, false);
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window.addEventListener("pagehide", function(event) {
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debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache");
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if (!event.persisted) {
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testFailed("Page did not enter the page cache.");
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finishJSTest();
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}
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}, false);
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function onLoad()
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{
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if (!didRestoreFromBackForwardCache)
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return;
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testPassed("Received load event after restoring from the cache");
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successfulyLoaded = true;
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}
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function onLoadEnd()
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{
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if (didRestoreFromBackForwardCache && successfulyLoaded) {
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testPassed("Received loadend event");
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finishJSTest();
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return;
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}
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setTimeout(() => {
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fileReader.readAsText(new Blob([testString]));
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}, 0);
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}
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function runTest() {
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description("Tests that an active FileReader that not prevent entering the back/forward cache.");
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window.jsTestIsAsync = true;
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setTimeout(() => {
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fileReader = new FileReader();
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fileReader.addEventListener("load", onLoad, false);
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fileReader.addEventListener("loadend", onLoadEnd, false);
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fileReader.readAsText(new Blob([testString]));
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// Force a back navigation back to this page.
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window.location.href = "../history/resources/page-cache-helper.html";
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}, 0);
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}
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onload = runTest;
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</script>
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</body>
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</html>
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