forked from LeenkxTeam/Kmake
112 lines
3.6 KiB
HTML
112 lines
3.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<title>WebStorage Test: StorageEvent - only if something changes</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script>
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const iframe = document.createElement('iframe');
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function tests(storageName) {
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test(t => assert_true(storageName in window), storageName + ' exists');
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const storage = window[storageName];
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const iframeStorage = iframe.contentWindow[storageName];
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add_completion_callback(() => {
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storage.clear();
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});
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promise_test(t => {
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const w = new EventWatcher(t, iframe.contentWindow, 'storage');
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// Random key to make sure we don't conflict with any cruft leftover from
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// earlier runs. Any synchronization would be really hard with localStorage
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// limited guarantees.
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const testKey = Math.random().toString(36).slice(2);
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storage.setItem(testKey, 'foo');
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storage.setItem(testKey, 'foo');
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storage.setItem(testKey, 'bar');
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return w.wait_for('storage')
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.then(e => {
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assert_equals(e.storageArea, iframeStorage);
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assert_equals(e.key, testKey);
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assert_equals(e.newValue, 'foo');
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return w.wait_for('storage');
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})
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.then(e => {
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assert_equals(e.storageArea, iframeStorage);
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assert_equals(e.key, testKey);
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assert_equals(e.oldValue, 'foo');
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assert_equals(e.newValue, 'bar');
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});
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}, 'Setting to same value does not trigger event for ' + storageName);
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promise_test(t => {
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const w = new EventWatcher(t, iframe.contentWindow, 'storage');
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// Random key to make sure we don't conflict with any cruft leftover from
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// earlier runs. Any synchronization would be really hard with localStorage
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// limited guarantees.
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const testKey1 = Math.random().toString(36).slice(2);
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const testKey2 = Math.random().toString(36).slice(2);
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storage.removeItem(testKey1);
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storage.setItem(testKey2, 'foo');
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return w.wait_for('storage')
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.then(e => {
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assert_equals(e.storageArea, iframeStorage);
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assert_equals(e.key, testKey2);
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assert_equals(e.newValue, 'foo');
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});
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}, 'Deleting non-existent key does not trigger event for ' + storageName);
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promise_test(t => {
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const w = new EventWatcher(t, iframe.contentWindow, 'storage');
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// Random key to make sure we don't conflict with any cruft leftover from
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// earlier runs. Any synchronization would be really hard with localStorage
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// limited guarantees.
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const testKey = Math.random().toString(36).slice(2);
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storage.setItem(testKey, 'foo');
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storage.clear();
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storage.clear();
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storage.setItem(testKey, 'bar');
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return w.wait_for('storage')
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.then(e => {
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assert_equals(e.storageArea, iframeStorage);
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assert_equals(e.key, testKey);
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assert_equals(e.newValue, 'foo');
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return w.wait_for('storage');
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})
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.then(e => {
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assert_equals(e.storageArea, iframeStorage);
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assert_equals(e.key, null);
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assert_equals(e.oldValue, null);
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assert_equals(e.newValue, null);
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return w.wait_for('storage');
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})
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.then(e => {
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assert_equals(e.storageArea, iframeStorage);
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assert_equals(e.key, testKey);
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assert_equals(e.oldValue, null);
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assert_equals(e.newValue, 'bar');
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});
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}, 'Clearing empty storage does not trigger event for ' + storageName);
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}
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iframe.src = "resources/event_basic.html";
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iframe.onload = () => {
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tests('sessionStorage');
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tests('localStorage');
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};
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document.body.appendChild(iframe);
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</script>
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</body>
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</html>
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