<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <script src="../../resources/testharness.js"></script>
        <script src="../../resources/testharnessreport.js"></script>
    </head>
    <body>
        <script>
const quota = 1024 * 1024;
if (window.testRunner) {
    testRunner.setOriginQuotaRatioEnabled(false);
    testRunner.setQuota(quota);
    testRunner.setAllowStorageQuotaIncrease(false);
}

promise_test(async (test) => {
    var rootHandle = await navigator.storage.getDirectory();
    // Create a new file for this test.
    await rootHandle.removeEntry("writable-quota.txt").then(() => { }, () => { });
    const fileHandle = await rootHandle.getFileHandle("writable-quota.txt", { "create" : true  });
    const writable = await fileHandle.createWritable();

    await writable.write(new Uint8Array(512 * 1024));

    return promise_rejects_dom(test, 'QuotaExceededError', writable.write(new Uint8Array(1024 * 1024)));
}, "Validate write quota");

promise_test(async (test) => {
    var rootHandle = await navigator.storage.getDirectory();
    // Create a new file for this test.
    await rootHandle.removeEntry("writable-quota1.txt").then(() => { }, () => { });
    await rootHandle.removeEntry("writable-quota2.txt").then(() => { }, () => { });
    const fileHandle1 = await rootHandle.getFileHandle("writable-quota1.txt", { "create" : true  });
    const fileHandle2 = await rootHandle.getFileHandle("writable-quota2.txt", { "create" : true  });

    const writable1 = await fileHandle1.createWritable();
    const writable2 = await fileHandle2.createWritable();

    await writable1.truncate(512 * 1024);

    let counter = 0;
    return Promise.all([
        writable1.truncate(1532 * 1024).then(() => assert_not_reached("should reject"), e => {
            assert_equals(counter++, 0);
            assert_equals(e.name, "QuotaExceededError");
        }),
        writable2.truncate(0).then(() => assert_equals(counter, 1))
    ]);
}, "Validate truncate quota");
</script>
</body>
</html>