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<!DOCTYPE html>
<html>
<!--
Copyright 2015 The Chromium Authors
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 () {
debug('Write complete');
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() {
debug('Writing file.');
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>
|
