зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.1 KiB
HTML
77 строки
2.1 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Test localStorage usage while in a low device storage situation</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="localStorageCommon.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript">
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/*
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This test does the following:
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- Stores an item in localStorage.
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- Checks the stored value.
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- Emulates a low device storage situation.
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- Gets the stored item again.
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- Removes the stored item.
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- Fails storing a new value.
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- Emulates recovering from a low device storage situation.
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- Stores a new value.
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- Checks the stored value.
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*/
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function lowDeviceStorage(lowStorage) {
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var data = lowStorage ? "full" : "free";
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os().notifyObservers(null, "disk-space-watcher", data);
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}
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function startTest() {
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// Add a test item.
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localStorage.setItem("item", "value");
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is(localStorage.getItem("item"), "value", "getItem()");
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// Emulates a low device storage situation.
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lowDeviceStorage(true);
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// Checks that we can still access to the stored item.
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is(localStorage.getItem("item"), "value",
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"getItem() during a device storage situation");
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// Removes the stored item.
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localStorage.removeItem("item");
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is(localStorage.getItem("item"), null,
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"getItem() after removing the item");
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// Fails storing a new item.
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try {
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localStorage.setItem("newItem", "value");
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ok(false, "Storing a new item is expected to fail");
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} catch(e) {
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ok(true, "Got an expected exception " + e);
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} finally {
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is(localStorage.getItem("newItem"), null,
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"setItem while device storage is low");
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}
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// Emulates recovering from a low device storage situation.
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lowDeviceStorage(false);
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// Add a test item after recovering from the low device storage situation.
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localStorage.setItem("newItem", "value");
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is(localStorage.getItem("newItem"), "value",
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"getItem() with available storage");
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SimpleTest.finish();
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}
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SimpleTest.waitForExplicitFinish();
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</script>
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</head>
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<body onload="startTest();">
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</body>
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</html>
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