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<!DOCTYPE html>
<script src="../../fast/js/resources/js-test-pre.js"></script>
<script src="resources/shared.js"></script>
<script>
description("Verify that that cursors weakly hold request, and work if request is GC'd");
indexedDBTest(prepareDatabase, onOpen);
function prepareDatabase(evt)
{
preamble(evt);
evalAndLog("db = event.target.result");
evalAndLog("store = db.createObjectStore('store')");
store.put("value1", "key1");
store.put("value2", "key2");
}
function onOpen(evt)
{
preamble(evt);
evalAndLog("db = event.target.result");
evalAndLog("tx = db.transaction('store')");
evalAndLog("store = tx.objectStore('store')");
evalAndLog("cursorRequest = store.openCursor()");
cursorRequest.onsuccess = function openCursorRequest(evt) {
preamble(evt);
evalAndLog("cursor = cursorRequest.result");
shouldBeNonNull("cursor");
shouldBeEqualToString("cursor.key", "key1");
shouldBeEqualToString("cursor.value", "value1");
};
evalAndLog("otherRequest = store.get(0)");
otherRequest.onsuccess = function otherRequestSuccess(evt) {
preamble(evt);
cursorRequestObservation = internals.observeGC(cursorRequest);
cursorRequest = null;
gc();
shouldBeTrue("cursorRequestObservation.wasCollected");
// The following call should generate a scratch request, invisible to script:
evalAndLog("cursor.continue()");
evalAndLog("finalRequest = store.get(0)");
finalRequest.onsuccess = function finalRequestSuccess(evt) {
preamble(evt);
shouldBeEqualToString("cursor.key", "key2");
shouldBeEqualToString("cursor.value", "value2");
};
};
tx.oncomplete = finishJSTest;
}
</script>
<script src="../../fast/js/resources/js-test-post.js"></script>
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