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// Copyright 2011 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.testing.fs.BlobTest');
goog.setTestOnly('goog.testing.fs.BlobTest');
goog.require('goog.dom');
goog.require('goog.testing.fs.Blob');
goog.require('goog.testing.jsunit');
var hasArrayBuffer = goog.isDef(goog.global.ArrayBuffer);
function testInput() {
var blob = new goog.testing.fs.Blob();
assertEquals('', blob.toString());
assertEquals(0, blob.size);
// input is a string
blob = new goog.testing.fs.Blob('資');
assertEquals('資', blob.toString());
assertEquals(3, blob.size);
if (!hasArrayBuffer) {
return;
}
// input is an Array of Arraybuffer.
// decimal code for e8 b3 87, that's 資 in UTF-8
blob = new goog.testing.fs.Blob([new Uint8Array([232, 179, 135])]);
assertEquals('資', blob.toString());
assertEquals(3, blob.size);
// input is an Array of Arraybuffer with control characters.
var data = goog.dom.getWindow().atob('iVBORw0KGgo=');
var arr = [];
for (var i = 0; i < data.length; i++) {
arr.push(data.charCodeAt(i));
}
blob = new goog.testing.fs.Blob([new Uint8Array(arr)]);
assertArrayEquals([137, 80, 78, 71, 13, 10, 26, 10], blob.data_);
assertEquals(8, blob.size);
// input is an Array of strings
blob = new goog.testing.fs.Blob(['資', 'é']);
assertEquals('資é', blob.toString());
assertEquals(5, blob.size);
// input is an Array of Arraybuffer + string
blob = new goog.testing.fs.Blob([new Uint8Array([232, 179, 135]), 'é']);
assertEquals('資é', blob.toString());
assertEquals(5, blob.size);
}
function testType() {
var blob = new goog.testing.fs.Blob();
assertEquals('', blob.type);
blob = new goog.testing.fs.Blob('foo bar baz', 'text/plain');
assertEquals('text/plain', blob.type);
}
function testSlice() {
var blob = new goog.testing.fs.Blob('abcdef');
assertEquals('bc', blob.slice(1, 3).toString());
assertEquals('def', blob.slice(3, 10).toString());
assertEquals('abcd', blob.slice(0, -2).toString());
assertEquals('', blob.slice(10, 1).toString());
assertEquals('', blob.slice(10, 30).toString());
assertEquals('b', blob.slice(-5, 2).toString());
assertEquals('abcdef', blob.slice().toString());
assertEquals('abc', blob.slice(/* opt_start */ undefined, 3).toString());
assertEquals('def', blob.slice(3).toString());
assertEquals('text/plain', blob.slice(1, 2, 'text/plain').type);
blob = new goog.testing.fs.Blob('ab資cd');
assertEquals('ab資', blob.slice(0, 5).toString()); // 資 is 3-bytes long.
assertEquals('資', blob.slice(2, 5).toString());
assertEquals('資cd', blob.slice(2, 10).toString());
assertEquals('ab', blob.slice(0, -5).toString());
assertEquals('c', blob.slice(-2, -1).toString());
assertEquals('資c', blob.slice(-5, -1).toString());
assertEquals('ab資cd', blob.slice().toString());
assertEquals('ab資', blob.slice(/* opt_start */ undefined, 5).toString());
assertEquals('cd', blob.slice(5).toString());
assertArrayEquals([232], blob.slice(2, 3).data_); // first byte of 資.
}
function testToArrayBuffer() {
if (!hasArrayBuffer) {
return;
}
var blob = new goog.testing.fs.Blob('資');
var buf = new ArrayBuffer(this.size);
var arr = new Uint8Array(buf);
arr = [232, 179, 135];
assertElementsEquals(buf, blob.toArrayBuffer());
}
function testToDataUrl() {
var blob = new goog.testing.fs.Blob('資', 'text');
assertEquals('data:text;base64,6LOH', blob.toDataUrl());
}
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