| <html> |
| <head> |
| <script src="../../../../resources/js-test.js"></script> |
| <script src="resources/shared.js"></script> |
| </head> |
| <body> |
| <iframe id="frame0"></iframe> |
| <iframe id="frame1"></iframe> |
| <iframe id="frame2"></iframe> |
| <script> |
| |
| description("Confirm that blobs stay alive after their records are deleted."); |
| |
| indexedDBTest(prepareDatabase, doRead); |
| function prepareDatabase() |
| { |
| db = event.target.result; |
| event.target.transaction.onabort = unexpectedAbortCallback; |
| evalAndLog("store = db.createObjectStore('store')"); |
| blobAContent = "Blob A content"; |
| blobBContent = "Blob B content"; |
| var blobA = new Blob([blobAContent], {"type" : "text/plain"}); |
| var blobB = new Blob([blobBContent], {"type" : "text/plain"}); |
| key = "key" |
| value = { a0: blobA, a1: blobA, b0: blobB }; |
| evalAndLog("store.put(value, key)"); |
| value = null; |
| } |
| |
| function doRead() |
| { |
| preamble(); |
| evalAndLog("trans = db.transaction('store')"); |
| evalAndLog("store = trans.objectStore('store')"); |
| evalAndLog("request = store.get(key)"); |
| request.onsuccess = didRead; |
| } |
| |
| function didRead() |
| { |
| record = request.result; |
| trans.oncomplete = doDelete; |
| } |
| |
| function doDelete() |
| { |
| evalAndLog("trans = db.transaction('store', 'readwrite')"); |
| evalAndLog("store = trans.objectStore('store')"); |
| evalAndLog("request = store.delete(key)"); |
| trans.oncomplete = didDelete; |
| } |
| |
| function didDelete() |
| { |
| urlA0 = URL.createObjectURL(record.a0); |
| urlA1 = URL.createObjectURL(record.a1); |
| urlB = URL.createObjectURL(record.b0); |
| document.getElementById('frame0').src = urlA0; |
| document.getElementById('frame0').onload = verification; |
| document.getElementById('frame1').src = urlA1; |
| document.getElementById('frame1').onload = verification; |
| document.getElementById('frame2').src = urlB; |
| document.getElementById('frame2').onload = verification; |
| } |
| |
| var loadCount = 0; |
| function verification() |
| { |
| if (++loadCount < 3) |
| return; |
| URL.revokeObjectURL(urlA0); |
| URL.revokeObjectURL(urlA1); |
| URL.revokeObjectURL(urlB); |
| shouldBe("document.getElementById('frame0').contentDocument.body.innerText", |
| "blobAContent"); |
| shouldBe("document.getElementById('frame1').contentDocument.body.innerText", |
| "blobAContent"); |
| shouldBe("document.getElementById('frame2').contentDocument.body.innerText", |
| "blobBContent"); |
| finishJSTest(); |
| } |
| |
| </script> |
| </body> |
| </html> |
| |
