summaryrefslogtreecommitdiffstats
path: root/mojo/android/javatests/src/org/chromium/mojo/HandleMock.java
blob: 9a7b473341088752f2c0640435f2420d2f004073 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.mojo;

import org.chromium.mojo.system.Core;
import org.chromium.mojo.system.DataPipe;
import org.chromium.mojo.system.DataPipe.ConsumerHandle;
import org.chromium.mojo.system.DataPipe.ProducerHandle;
import org.chromium.mojo.system.Handle;
import org.chromium.mojo.system.MessagePipeHandle;
import org.chromium.mojo.system.MojoResult;
import org.chromium.mojo.system.SharedBufferHandle;
import org.chromium.mojo.system.UntypedHandle;
import org.chromium.mojo.system.impl.CoreImpl;

import java.nio.ByteBuffer;
import java.util.List;

/**
 * A mock handle, that does nothing.
 */
public class HandleMock implements UntypedHandle, MessagePipeHandle,
        ProducerHandle, ConsumerHandle, SharedBufferHandle {

    /**
     * @see Handle#close()
     */
    @Override
    public void close() {
        // Do nothing.
    }

    /**
     * @see Handle#wait(Core.HandleSignals, long)
     */
    @Override
    public int wait(Core.HandleSignals signals, long deadline) {
        // Do nothing.
        return MojoResult.OK;
    }

    /**
     * @see Handle#isValid()
     */
    @Override
    public boolean isValid() {
        return true;
    }

    /**
     * @see Handle#toUntypedHandle()
     */
    @Override
    public UntypedHandle toUntypedHandle() {
        return this;
    }

    /**
     * @see org.chromium.mojo.system.Handle#getCore()
     */
    @Override
    public Core getCore() {
        return CoreImpl.getInstance();
    }

    /**
     * @see org.chromium.mojo.system.UntypedHandle#pass()
     */
    @Override
    public HandleMock pass() {
        return this;
    }

    /**
     * @see Handle#releaseNativeHandle()
     */
    @Override
    public int releaseNativeHandle() {
        return 0;
    }

    /**
     * @see ConsumerHandle#discardData(int, DataPipe.ReadFlags)
     */
    @Override
    public int discardData(int numBytes, DataPipe.ReadFlags flags) {
        // Do nothing.
        return 0;
    }

    /**
     * @see ConsumerHandle#readData(java.nio.ByteBuffer, DataPipe.ReadFlags)
     */
    @Override
    public int readData(ByteBuffer elements,
            DataPipe.ReadFlags flags) {
        // Do nothing.
        return 0;
    }

    /**
     * @see ConsumerHandle#beginReadData(int, DataPipe.ReadFlags)
     */
    @Override
    public ByteBuffer beginReadData(int numBytes,
            DataPipe.ReadFlags flags) {
        // Do nothing.
        return null;
    }

    /**
     * @see ConsumerHandle#endReadData(int)
     */
    @Override
    public void endReadData(int numBytesRead) {
        // Do nothing.
    }

    /**
     * @see ProducerHandle#writeData(java.nio.ByteBuffer, DataPipe.WriteFlags)
     */
    @Override
    public int writeData(ByteBuffer elements,
            DataPipe.WriteFlags flags) {
        // Do nothing.
        return 0;
    }

    /**
     * @see ProducerHandle#beginWriteData(int, DataPipe.WriteFlags)
     */
    @Override
    public ByteBuffer beginWriteData(int numBytes,
            DataPipe.WriteFlags flags) {
        // Do nothing.
        return null;
    }

    /**
     * @see ProducerHandle#endWriteData(int)
     */
    @Override
    public void endWriteData(int numBytesWritten) {
        // Do nothing.
    }

    /**
     * @see MessagePipeHandle#writeMessage(java.nio.ByteBuffer, java.util.List,
     *      MessagePipeHandle.WriteFlags)
     */
    @Override
    public void writeMessage(ByteBuffer bytes, List<? extends Handle> handles,
            WriteFlags flags) {
        // Do nothing.
    }

    /**
     * @see MessagePipeHandle#readMessage(java.nio.ByteBuffer, int, MessagePipeHandle.ReadFlags)
     */
    @Override
    public ReadMessageResult readMessage(ByteBuffer bytes, int maxNumberOfHandles,
            ReadFlags flags) {
        // Do nothing.
        return new ReadMessageResult();
    }

    /**
     * @see UntypedHandle#toMessagePipeHandle()
     */
    @Override
    public MessagePipeHandle toMessagePipeHandle() {
        return this;
    }

    /**
     * @see UntypedHandle#toDataPipeConsumerHandle()
     */
    @Override
    public ConsumerHandle toDataPipeConsumerHandle() {
        return this;
    }

    /**
     * @see UntypedHandle#toDataPipeProducerHandle()
     */
    @Override
    public ProducerHandle toDataPipeProducerHandle() {
        return this;
    }

    /**
     * @see UntypedHandle#toSharedBufferHandle()
     */
    @Override
    public SharedBufferHandle toSharedBufferHandle() {
        return this;
    }

    /**
     * @see SharedBufferHandle#duplicate(SharedBufferHandle.DuplicateOptions)
     */
    @Override
    public SharedBufferHandle duplicate(DuplicateOptions options) {
        // Do nothing.
        return null;
    }

    /**
     * @see SharedBufferHandle#map(long, long, SharedBufferHandle.MapFlags)
     */
    @Override
    public ByteBuffer map(long offset, long numBytes, MapFlags flags) {
        // Do nothing.
        return null;
    }

    /**
     * @see SharedBufferHandle#unmap(java.nio.ByteBuffer)
     */
    @Override
    public void unmap(ByteBuffer buffer) {
        // Do nothing.
    }

}