| /******************************************************************************* |
| * Copyright (c) 2014, 2017 Ericsson |
| * |
| * 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 |
| * |
| * Contributors: |
| * Patrick Tasse - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.core.tests.synchronization; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.tracecompass.tmf.core.TmfCommonConstants; |
| import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
| import org.eclipse.tracecompass.tmf.core.exceptions.TmfTraceException; |
| import org.eclipse.tracecompass.tmf.core.synchronization.ITmfTimestampTransform; |
| import org.eclipse.tracecompass.tmf.core.synchronization.TimestampTransformFactory; |
| import org.eclipse.tracecompass.tmf.core.tests.shared.TmfTestTrace; |
| import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| import org.eclipse.tracecompass.tmf.core.trace.TmfContext; |
| import org.eclipse.tracecompass.tmf.tests.stubs.trace.TmfTraceStub; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestRule; |
| import org.junit.rules.Timeout; |
| |
| /** |
| * Test suite for time offset of traces. |
| */ |
| @SuppressWarnings("javadoc") |
| public class TimeOffsetTest { |
| |
| /** Time-out tests after 1 minute. */ |
| @Rule |
| public TestRule globalTimeout = new Timeout(1, TimeUnit.MINUTES); |
| |
| // ------------------------------------------------------------------------ |
| // Variables |
| // ------------------------------------------------------------------------ |
| |
| private static final TmfTestTrace TEST_TRACE = TmfTestTrace.A_TEST_10K; |
| private static final String PROJECT = "Test Project"; |
| private static final String RESOURCE = "Test Resource"; |
| private static final long ONE_MS = 1000000L; |
| private IFile fResource; |
| |
| // ------------------------------------------------------------------------ |
| // Housekeeping |
| // ------------------------------------------------------------------------ |
| |
| @Before |
| public void setUp() throws CoreException { |
| IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(PROJECT); |
| if (!project.exists()) { |
| project.create(null); |
| } |
| project.open(null); |
| fResource = project.getFile(RESOURCE); |
| if (!fResource.exists()) { |
| final InputStream source = new ByteArrayInputStream(new byte[0]); |
| fResource.create(source, true, null); |
| } |
| fResource.setPersistentProperty(TmfCommonConstants.TRACE_SUPPLEMENTARY_FOLDER, fResource.getParent().getLocation().toOSString()); |
| } |
| |
| @After |
| public void tearDown() throws CoreException { |
| if (fResource != null && fResource.exists()) { |
| fResource.getProject().delete(true, null); |
| } |
| } |
| |
| private ITmfTrace createAndIndexTrace() throws TmfTraceException { |
| TmfTraceStub trace = new TmfTraceStub(fResource, TEST_TRACE.getFullPath(), ITmfTrace.DEFAULT_TRACE_CACHE_SIZE, false, null); |
| trace.indexTrace(true); |
| return trace; |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Tests |
| // ------------------------------------------------------------------------ |
| |
| @Test |
| public void testNoOffset() throws TmfTraceException { |
| ITmfTrace trace = createAndIndexTrace(); |
| final TmfContext context = (TmfContext) trace.seekEvent(0); |
| |
| ITmfEvent event = trace.getNext(context); |
| assertEquals("Event timestamp", 1, event.getTimestamp().getValue()); |
| event = trace.getNext(context); |
| assertEquals("Event timestamp", 2, event.getTimestamp().getValue()); |
| |
| trace.dispose(); |
| } |
| |
| @Test |
| public void testPositiveOffset() throws TmfTraceException { |
| ITmfTimestampTransform tt = TimestampTransformFactory.createWithOffset(ONE_MS); |
| TimestampTransformFactory.setTimestampTransform(fResource, tt); |
| |
| ITmfTrace trace = createAndIndexTrace(); |
| final TmfContext context = (TmfContext) trace.seekEvent(0); |
| |
| ITmfEvent event = trace.getNext(context); |
| assertEquals("Event timestamp", 2, event.getTimestamp().getValue()); |
| event = trace.getNext(context); |
| assertEquals("Event timestamp", 3, event.getTimestamp().getValue()); |
| |
| trace.dispose(); |
| } |
| |
| @Test |
| public void testNegativeOffset() throws TmfTraceException { |
| ITmfTimestampTransform tt = TimestampTransformFactory.createWithOffset(-ONE_MS); |
| TimestampTransformFactory.setTimestampTransform(fResource, tt); |
| |
| ITmfTrace trace = createAndIndexTrace(); |
| final TmfContext context = (TmfContext) trace.seekEvent(0); |
| |
| ITmfEvent event = trace.getNext(context); |
| assertEquals("Event timestamp", 0, event.getTimestamp().getValue()); |
| event = trace.getNext(context); |
| assertEquals("Event timestamp", 1, event.getTimestamp().getValue()); |
| |
| trace.dispose(); |
| } |
| |
| @Test |
| public void testClearOffset() throws TmfTraceException { |
| ITmfTimestampTransform tt = TimestampTransformFactory.createWithOffset(ONE_MS); |
| TimestampTransformFactory.setTimestampTransform(fResource, tt); |
| TimestampTransformFactory.setTimestampTransform(fResource, null); |
| |
| ITmfTrace trace = createAndIndexTrace(); |
| final TmfContext context = (TmfContext) trace.seekEvent(0); |
| |
| ITmfEvent event = trace.getNext(context); |
| assertEquals("Event timestamp", 1, event.getTimestamp().getValue()); |
| event = trace.getNext(context); |
| assertEquals("Event timestamp", 2, event.getTimestamp().getValue()); |
| |
| trace.dispose(); |
| } |
| } |