| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.harmony.tests.java.nio; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.nio.CharBuffer; |
| import java.nio.DirectByteBuffer; |
| import java.nio.NIOAccess; |
| |
| public class DirectCharBufferTest extends CharBufferTest { |
| |
| public void setUp(){ |
| buf = ByteBuffer.allocateDirect(BUFFER_LENGTH*2).asCharBuffer(); |
| super.loadTestData1(buf); |
| baseBuf = buf; |
| } |
| |
| public void tearDown(){ |
| buf = null; |
| baseBuf = null; |
| } |
| |
| public void testHasArray() { |
| assertFalse(buf.hasArray()); |
| } |
| |
| public void testArray() { |
| try { |
| buf.array(); |
| fail("Should throw UnsupportedOperationException"); //$NON-NLS-1$ |
| } catch (UnsupportedOperationException e) { |
| } |
| } |
| |
| public void testArrayOffset() { |
| try { |
| buf.arrayOffset(); |
| fail("Should throw UnsupportedOperationException"); //$NON-NLS-1$ |
| } catch (UnsupportedOperationException e) { |
| } |
| } |
| |
| // http://b/28964300 |
| public void testJNIAccessByAddress() throws Exception { |
| DirectByteBuffer directByteBuffer = (DirectByteBuffer) ByteBuffer.allocateDirect(10); |
| directByteBuffer.put((byte)'a'); |
| CharBuffer charBuffer = directByteBuffer.asCharBuffer(); |
| long byteBufferBasePointer = NIOAccess.getBasePointer(directByteBuffer); |
| long charBufferBasePointer = NIOAccess.getBasePointer(charBuffer); |
| assertEquals(byteBufferBasePointer, charBufferBasePointer); |
| |
| // Check if the NIOAccess method adds up the current position value. |
| charBuffer.put('b'); |
| assertEquals(charBufferBasePointer + Character.BYTES, NIOAccess.getBasePointer(charBuffer)); |
| } |
| |
| public void testIsDirect() { |
| assertTrue(buf.isDirect()); |
| } |
| |
| public void testOrder() { |
| assertEquals(ByteOrder.BIG_ENDIAN, buf.order()); |
| } |
| } |