LayoutTests/storage/indexeddb/blob-valid-after-deletion.html - Issue 18590006: Blob support for IDB [Blink]

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Issue 18590006: Blob support for IDB [Blink] (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Rebasing issue? Created 6 years, 7 months ago

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« LayoutTests/storage/indexeddb/blob-delete-objectstore-db.html ('K') | « LayoutTests/storage/indexeddb/blob-delete-objectstore-db-expected.txt ('k') | LayoutTests/storage/indexeddb/blob-valid-after-deletion-expected.txt » ('j') | LayoutTests/storage/indexeddb/resources/keypath-intrinsic-properties.js » ('J')
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	1 <html>

	2 <head>

	3 <script src="../../resources/js-test.js"></script>

	4 <script src="resources/shared.js"></script>

	5 </head>

	6 <body>

	7 <iframe id="frame0"></iframe>

	8 <iframe id="frame1"></iframe>

	9 <iframe id="frame2"></iframe>

	10 <script>

	11

	12 description("Confirm that blobs stay alive after their records are deleted.");

	13

	14 indexedDBTest(prepareDatabase, doRead);

	15 function prepareDatabase()

	16 {

	17 db = event.target.result;

	18 event.target.transaction.onabort = unexpectedAbortCallback;

	19 evalAndLog("store = db.createObjectStore('store')");

	20 blobAContent = "Blob A content";

	21 blobBContent = "Blob B content";

	22 var blobA = new Blob([blobAContent], {"type" : "text\/plain"});

	23 var blobB = new Blob([blobBContent], {"type" : "text\/plain"});

	24 key = "key"

	25 value = { a0: blobA, a1: blobA, b0: blobB };

	26 evalAndLog("store.put(value, key)");

	27 delete value;

	28 }

	29

	30 function doRead()

	31 {

	32 debug("");

	33 debug("doRead():");
	jsbell 2014/05/29 00:40:06 FYI, we have a `preamble();` helper in shared.js t FYI, we have a `preamble();` helper in shared.js that logs the current function name automagically, which makes maintenance easier. ericu 2014/06/02 22:18:47 Done. Show quoted text On 2014/05/29 00:40:06, jsbell wrote: > FYI, we have a `preamble();` helper in shared.js that logs the current function > name automagically, which makes maintenance easier. Done.
	34 evalAndLog("trans = db.transaction('store')");

	35 evalAndLog("store = trans.objectStore('store')");

	36 evalAndLog("request = store.get(key)");

	37 request.onsuccess = didRead;

	38 }

	39

	40 function didRead()

	41 {

	42 record = request.result;

	43 trans.oncomplete = doDelete;

	44 }

	45

	46 function doDelete()

	47 {

	48 evalAndLog("trans = db.transaction('store', 'readwrite')");

	49 evalAndLog("store = trans.objectStore('store')");

	50 evalAndLog("request = store.delete(key)");

	51 trans.oncomplete = didDelete;

	52 }

	53

	54 function didDelete()

	55 {

	56 urlA0 = URL.createObjectURL(record.a0);

	57 urlA1 = URL.createObjectURL(record.a1);

	58 urlB = URL.createObjectURL(record.b0);

	59 document.getElementById('frame0').src = urlA0;

	60 document.getElementById('frame0').onload = verification;

	61 document.getElementById('frame1').src = urlA1;

	62 document.getElementById('frame1').onload = verification;

	63 document.getElementById('frame2').src = urlB;

	64 document.getElementById('frame2').onload = verification;

	65 }

	66

	67 var loadCount = 0;

	68 function verification()

	69 {

	70 if (++loadCount < 3)

	71 return;

	72 delete record;
	jsbell 2014/05/29 00:40:06 This use of the delete operator is even weirder. W This use of the delete operator is even weirder. What's the intent? ericu 2014/06/02 22:18:47 It's a brain-o, and furthermore, completely superf Show quoted text On 2014/05/29 00:40:06, jsbell wrote: > This use of the delete operator is even weirder. What's the intent? It's a brain-o, and furthermore, completely superfluous. Removed.
	73 record = null;

	74 URL.revokeObjectURL(urlA0);

	75 URL.revokeObjectURL(urlA1);

	76 URL.revokeObjectURL(urlB);

	77 shouldBe("document.getElementById('frame0').contentDocument.body.innerText",

	78 "blobAContent");

	79 shouldBe("document.getElementById('frame1').contentDocument.body.innerText",

	80 "blobAContent");

	81 shouldBe("document.getElementById('frame2').contentDocument.body.innerText",

	82 "blobBContent");

	83 finishJSTest();

	84 }

	85

	86 </script>

	87 </body>

	88 </html>

	89

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