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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <!-- |
| 4 Copyright 2015 The Chromium Authors. All rights reserved. |
| 5 Use of this source code is governed by a BSD-style license that can be |
| 6 found in the LICENSE file. |
| 7 --> |
| 8 <head> |
| 9 <title>IDB Test that we can store and retrieve an empty blob</title> |
| 10 <script src="common.js"></script> |
| 11 <script> |
| 12 |
| 13 // Constants. |
| 14 var store_name = 'empty_blob'; |
| 15 var blob_key = 'blob_key'; |
| 16 var file_key = 'file_key'; |
| 17 |
| 18 // Shared variables. |
| 19 var db; |
| 20 var emptyFileInput; |
| 21 var testTimes = false; |
| 22 |
| 23 function test() { |
| 24 param = location.hash.substring(1); |
| 25 if (param == 'ignoreTimes') { |
| 26 testTimes = false; |
| 27 } |
| 28 indexedDBTest(prepareDatabase, writeBlob); |
| 29 } |
| 30 |
| 31 function prepareDatabase() { |
| 32 db = event.target.result; |
| 33 db.createObjectStore(store_name); |
| 34 } |
| 35 |
| 36 function writeBlob() { |
| 37 debug("Writing blob."); |
| 38 |
| 39 put_blob = new Blob(); |
| 40 |
| 41 var put_tx = db.transaction(store_name, 'readwrite'); |
| 42 put_tx.onabort = unexpectedAbortCallback; |
| 43 var put_request = put_tx.objectStore(store_name).put(put_blob, blob_key); |
| 44 put_request.onerror = unexpectedErrorCallback; |
| 45 put_tx.oncomplete = function () { |
| 46 var get_tx = db.transaction(store_name); |
| 47 |
| 48 var get_request1 = get_tx.objectStore(store_name).get(blob_key); |
| 49 get_request1.onerror = unexpectedErrorCallback; |
| 50 get_request1.onsuccess = function(evt) { |
| 51 get_blob1 = evt.target.result; |
| 52 resultType = typeof get_blob1; |
| 53 shouldBe('resultType', '"object"'); |
| 54 shouldBe('get_blob1.size', 'put_blob.size'); |
| 55 }; |
| 56 |
| 57 var get_request2 = get_tx.objectStore(store_name).get(blob_key); |
| 58 get_request2.onerror = unexpectedErrorCallback; |
| 59 get_request2.onsuccess = function(evt) { |
| 60 get_blob2 = evt.target.result; |
| 61 resultType = typeof get_blob2; |
| 62 shouldBe('resultType', '"object"'); |
| 63 shouldBe('get_blob2.size', 'put_blob.size'); |
| 64 }; |
| 65 |
| 66 get_tx.onabort = unexpectedAbortCallback; |
| 67 get_tx.oncomplete = writeFile; |
| 68 }; |
| 69 } |
| 70 |
| 71 function writeFile() { |
| 72 put_file = new File([''], 'somefile', { |
| 73 type: 'application/x-special-snowflake', |
| 74 lastModified: new Date('1999-12-31T23:59:59Z') |
| 75 }); |
| 76 var put_tx = db.transaction(store_name, 'readwrite'); |
| 77 put_tx.objectStore(store_name).put(put_file, file_key); |
| 78 put_tx.onabort = unexpectedAbortCallback; |
| 79 put_tx.oncomplete = function() { |
| 80 var get_tx = db.transaction(store_name); |
| 81 get_tx.objectStore(store_name).get(file_key).onsuccess = function(e) { |
| 82 get_file = e.target.result; |
| 83 |
| 84 shouldBe('get_file.name', 'put_file.name'); |
| 85 shouldBe('get_file.size', 'put_file.size'); |
| 86 shouldBe('get_file.type', 'put_file.type'); |
| 87 if (testTimes) { |
| 88 shouldBe('get_file.lastModified', 'put_file.lastModified'); |
| 89 shouldBe('String(get_file.lastModifiedDate)', 'String(put_file.lastModif
iedDate)'); |
| 90 } |
| 91 }; |
| 92 get_tx.onabort = unexpectedAbortCallback; |
| 93 get_tx.oncomplete = deleteFile; |
| 94 }; |
| 95 } |
| 96 |
| 97 function deleteFile() { |
| 98 var tx = db.transaction(store_name, 'readwrite'); |
| 99 tx.objectStore(store_name).delete(file_key); |
| 100 tx.onabort = unexpectedAbortCallback; |
| 101 tx.oncomplete = deleteBlob; |
| 102 } |
| 103 |
| 104 function deleteBlob() { |
| 105 var tx = db.transaction(store_name, 'readwrite'); |
| 106 tx.objectStore(store_name).delete(blob_key); |
| 107 tx.onabort = unexpectedAbortCallback; |
| 108 tx.oncomplete = done; |
| 109 } |
| 110 |
| 111 </script> |
| 112 </head> |
| 113 <body onLoad="test()"> |
| 114 <div id="status">Starting...</div> |
| 115 </body> |
| 116 </html> |
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Chromium Code Reviews
Issue 942633004:
IndexedDB: Fixed support for empty blobs. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master