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description("Test the DOM Storage quota code.");
function testQuota(storageString)
{
storage = eval(storageString);
if (!storage) {
testFailed(storageString + " DOES NOT exist");
return;
}
debug("Testing " + storageString);
evalAndLog("storage.clear()");
shouldBe("storage.length", "0");
debug("Creating 'data' which contains 64K of data");
data = "X";
for (var i=0; i<16; i++)
data += data;
shouldBe("data.length", "65536");
debug("Putting 'data' into 39 " + storageString + " buckets.");
for (var i=0; i<39; i++)
storage[i] = data;
debug("Putting 'data' into another bucket.h");
try {
storage[39] = data;
testFailed("Did not hit quota error.");
} catch (e) {
testPassed("Hit exception as expected");
}
debug("Verify that data was never inserted.");
shouldBeNull("storage.getItem(39)");
debug("Removing bucket 38.");
storage.removeItem('38');
debug("Adding 'Hello!' into a new bucket.");
try {
storage['foo'] = "Hello!";
testPassed("Insertion worked.");
} catch (e) {
testFailed("Exception: " + e);
}
}
function testNoQuota(storageString)
{
storage = eval(storageString);
if (!storage) {
testFailed(storageString + " DOES NOT exist");
return;
}
debug("Testing " + storageString);
evalAndLog("storage.clear()");
shouldBe("storage.length", "0");
debug("Creating 'data' which contains 64K of data");
data = "X";
for (var i=0; i<16; i++)
data += data;
shouldBe("data.length", "65536");
debug("Putting 'data' into 40 " + storageString + " buckets.");
for (var i=0; i<40; i++)
storage[i] = data;
debug("Putting 'data' into another bucket.h");
try {
storage[40] = data;
testPassed("Insertion worked.");
} catch (e) {
testFailed("Exception: " + e);
}
}
testNoQuota("sessionStorage");
debug("");
debug("");
testQuota("localStorage");
window.successfullyParsed = true;
isSuccessfullyParsed();
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