| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <head> |
| <title>IDB Test that we can store and retrieve an empty blob</title> |
| <script src="common.js"></script> |
| <script> |
| |
| // Constants. |
| var store_name = 'empty_blob'; |
| var blob_key = 'blob_key'; |
| var file_key = 'file_key'; |
| |
| // Shared variables. |
| var db; |
| var emptyFileInput; |
| var testTimes = false; |
| |
| function test() { |
| param = location.hash.substring(1); |
| if (param == 'ignoreTimes') { |
| testTimes = false; |
| } |
| indexedDBTest(prepareDatabase, writeBlob); |
| } |
| |
| function prepareDatabase() { |
| db = event.target.result; |
| db.createObjectStore(store_name); |
| } |
| |
| function writeBlob() { |
| debug("Writing blob."); |
| |
| put_blob = new Blob(); |
| |
| var put_tx = db.transaction(store_name, 'readwrite'); |
| put_tx.onabort = unexpectedAbortCallback; |
| var put_request = put_tx.objectStore(store_name).put(put_blob, blob_key); |
| put_request.onerror = unexpectedErrorCallback; |
| put_tx.oncomplete = function () { |
| var get_tx = db.transaction(store_name); |
| |
| var get_request1 = get_tx.objectStore(store_name).get(blob_key); |
| get_request1.onerror = unexpectedErrorCallback; |
| get_request1.onsuccess = function(evt) { |
| get_blob1 = evt.target.result; |
| resultType = typeof get_blob1; |
| shouldBe('resultType', '"object"'); |
| shouldBe('get_blob1.size', 'put_blob.size'); |
| }; |
| |
| var get_request2 = get_tx.objectStore(store_name).get(blob_key); |
| get_request2.onerror = unexpectedErrorCallback; |
| get_request2.onsuccess = function(evt) { |
| get_blob2 = evt.target.result; |
| resultType = typeof get_blob2; |
| shouldBe('resultType', '"object"'); |
| shouldBe('get_blob2.size', 'put_blob.size'); |
| }; |
| |
| get_tx.onabort = unexpectedAbortCallback; |
| get_tx.oncomplete = writeFile; |
| }; |
| } |
| |
| function writeFile() { |
| put_file = new File([''], 'somefile', { |
| type: 'application/x-special-snowflake', |
| lastModified: new Date('1999-12-31T23:59:59Z') |
| }); |
| var put_tx = db.transaction(store_name, 'readwrite'); |
| put_tx.objectStore(store_name).put(put_file, file_key); |
| put_tx.onabort = unexpectedAbortCallback; |
| put_tx.oncomplete = function() { |
| var get_tx = db.transaction(store_name); |
| get_tx.objectStore(store_name).get(file_key).onsuccess = function(e) { |
| get_file = e.target.result; |
| |
| shouldBe('get_file.name', 'put_file.name'); |
| shouldBe('get_file.size', 'put_file.size'); |
| shouldBe('get_file.type', 'put_file.type'); |
| if (testTimes) { |
| shouldBe('get_file.lastModified', 'put_file.lastModified'); |
| shouldBe('String(get_file.lastModifiedDate)', 'String(put_file.lastModifiedDate)'); |
| } |
| }; |
| get_tx.onabort = unexpectedAbortCallback; |
| get_tx.oncomplete = deleteFile; |
| }; |
| } |
| |
| function deleteFile() { |
| var tx = db.transaction(store_name, 'readwrite'); |
| tx.objectStore(store_name).delete(file_key); |
| tx.onabort = unexpectedAbortCallback; |
| tx.oncomplete = deleteBlob; |
| } |
| |
| function deleteBlob() { |
| var tx = db.transaction(store_name, 'readwrite'); |
| tx.objectStore(store_name).delete(blob_key); |
| tx.onabort = unexpectedAbortCallback; |
| tx.oncomplete = done; |
| } |
| |
| </script> |
| </head> |
| <body onLoad="test()"> |
| <div id="status">Starting...</div> |
| </body> |
| </html> |
