| /* |
| * 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)); |
| } |
| } |