/*
* Copyright 2012 Google Inc.
*
* 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.
*/
package com.google.gwt.typedarrays.client;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.typedarrays.shared.ArrayBuffer;
import com.google.gwt.typedarrays.shared.TypedArrays;
import com.google.gwt.typedarrays.shared.Uint8Array;
/**
* Test converting to/from a string encoding of an array buffer.
*/
public class StringArrayBufferTest extends GWTTestCase {
@Override
public String getModuleName() {
return "com.google.gwt.typedarrays.TypedArraysTest";
}
public void testFromString() {
if (!TypedArrays.isSupported()) {
// TODO: some way of showing test as skipped in this case?
return;
}
String str = "\u0001\u0000\u0080\u0081";
ArrayBuffer buf = JsUtils.arrayBufferFromString(str);
Uint8Array view = TypedArrays.createUint8Array(buf);
assertEquals(4, buf.byteLength());
assertEquals(1, view.get(0));
assertEquals(0, view.get(1));
assertEquals(128, view.get(2));
assertEquals(129, view.get(3));
}
public void testToString() {
if (!TypedArrays.isSupported()) {
// TODO: some way of showing test as skipped in this case?
return;
}
Uint8Array view = TypedArrays.createUint8Array(4);
view.set(0, 1);
view.set(1, 0);
view.set(2, 128);
view.set(3, 129);
String str = JsUtils.stringFromArrayBuffer(view.buffer());
assertEquals(4, str.length());
assertEquals(1, str.charAt(0));
assertEquals(0, str.charAt(1));
assertEquals(128, str.charAt(2));
assertEquals(129, str.charAt(3));
}
}