79 lines
2 KiB
JavaScript
79 lines
2 KiB
JavaScript
/**
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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/**
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* This test is mainly to verify that string length is correctly computed for
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* database values containing NULs. See bug 1541681.
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*/
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add_task(async function testSteps() {
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const principal = getPrincipal("http://example.org");
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const data = {};
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data.key = "foobar";
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data.secondKey = "foobaz";
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data.value = {
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length: 19253,
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};
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data.usage = data.key.length + data.value.length;
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async function checkUsage(expectedUsage) {
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info("Checking usage");
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// This forces any pending changes to be flushed to disk. It also forces
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// data to be reloaded from disk at next localStorage API call.
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request = resetClient(principal);
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await requestFinished(request);
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request = getOriginUsage(principal);
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await requestFinished(request);
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is(request.result.usage, expectedUsage, "Correct usage");
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}
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info("Setting pref");
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Services.prefs.setBoolPref(
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"dom.storage.enable_unsupported_legacy_implementation",
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false
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);
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info("Stage 1 - Checking usage after profile installation");
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info("Clearing");
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let request = clear();
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await requestFinished(request);
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info("Installing package");
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// The profile contains storage.sqlite and webappsstore.sqlite.
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installPackage("stringLength2_profile");
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await checkUsage(0);
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info("Stage 2 - Checking usage after archived data migration");
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info("Opening database");
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let storage = getLocalStorage(principal);
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storage.open();
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await checkUsage(data.usage);
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info("Stage 3 - Checking usage after copying the value");
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info("Adding a second copy of the value");
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let value = storage.getItem(data.key);
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storage.setItem(data.secondKey, value);
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await checkUsage(2 * data.usage);
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info("Stage 4 - Checking length of the copied value");
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value = storage.getItem(data.secondKey);
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Assert.strictEqual(value.length, data.value.length, "Correct string length");
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});
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