| /******************************************************************************* |
| * Copyright (c) 2016 École Polytechnique de Montréal |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.statesystem.core.tests.statevalue; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.tracecompass.datastore.core.serialization.ISafeByteBufferReader; |
| import org.eclipse.tracecompass.datastore.core.serialization.ISafeByteBufferWriter; |
| import org.eclipse.tracecompass.datastore.core.serialization.SafeByteBufferFactory; |
| import org.eclipse.tracecompass.internal.provisional.statesystem.core.statevalue.CustomStateValue; |
| import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; |
| import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue.Type; |
| import org.eclipse.tracecompass.statesystem.core.statevalue.TmfStateValue; |
| import org.eclipse.tracecompass.statesystem.core.tests.stubs.statevalues.CustomStateValueStub; |
| import org.junit.Test; |
| |
| /** |
| * Test the {@link CustomStateValue} class |
| * |
| * @author Geneviève Bastien |
| */ |
| public class CustomStateValueTest extends StateValueTestBase { |
| |
| private static final CustomStateValue VALUE = new CustomStateValueStub(3, "MyString"); |
| |
| @Override |
| protected @NonNull ITmfStateValue getStateValueFixture() { |
| return VALUE; |
| } |
| |
| @Override |
| protected @NonNull Type getStateValueType() { |
| return Type.CUSTOM; |
| } |
| |
| /** |
| * Test serialization/unserialization with the factory present |
| */ |
| @Test |
| public void testSerialization() { |
| CustomStateValueStub.registerFactory(); |
| ByteBuffer buffer = ByteBuffer.allocate(1024); |
| ISafeByteBufferWriter safeBufferWriter = SafeByteBufferFactory.wrapWriter(buffer, VALUE.getSerializedSize()); |
| VALUE.serialize(safeBufferWriter); |
| |
| // Reset buffer |
| buffer.flip(); |
| ISafeByteBufferReader safeBufferReader = SafeByteBufferFactory.wrapReader(buffer, VALUE.getSerializedSize()); |
| TmfStateValue read = CustomStateValue.readSerializedValue(safeBufferReader); |
| assertEquals("Custom state value: no factory", VALUE, read); |
| } |
| |
| /** |
| * Test serialization/unserialization if no factory is available |
| */ |
| @Test |
| public void testNoFactoryAvailable() { |
| CustomStateValueStub.unregisterFactory(); |
| ByteBuffer buffer = ByteBuffer.allocate(1024); |
| ISafeByteBufferWriter safeBufferWriter = SafeByteBufferFactory.wrapWriter(buffer, VALUE.getSerializedSize()); |
| VALUE.serialize(safeBufferWriter); |
| |
| // Reset buffer |
| buffer.flip(); |
| ISafeByteBufferReader safeBufferReader = SafeByteBufferFactory.wrapReader(buffer, VALUE.getSerializedSize()); |
| TmfStateValue read = CustomStateValue.readSerializedValue(safeBufferReader); |
| assertEquals("Custom state value: no factory", TmfStateValue.nullValue(), read); |
| } |
| |
| /** |
| * Test the exception when asking a size too large |
| */ |
| @Test(expected = ArrayIndexOutOfBoundsException.class) |
| public void testSerializedTooLarge() { |
| String alphabet = "abcdefghijklmnopqrstuvwxyz"; |
| StringBuilder builder = new StringBuilder(); |
| while (builder.length() < Short.MAX_VALUE) { |
| builder.append(alphabet); |
| } |
| CustomStateValue sv = new CustomStateValueStub(3, builder.toString()); |
| sv.getSerializedSize(); |
| } |
| |
| /** |
| * Test the illegal argument exception with custom forbidden custom IDs |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testWrongCustomId() { |
| CustomStateValue.registerCustomFactory((byte) 0, CustomStateValueStub.FACTORY); |
| } |
| |
| /** |
| * Test the illegal argument exception with custom forbidden custom IDs |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testWrongCustomId2() { |
| CustomStateValue.registerCustomFactory((byte) 20, CustomStateValueStub.FACTORY); |
| } |
| |
| } |