org.eclipse.linuxtools.btf.core.tests/src/org/eclipse/linuxtools/btf/core/tests/trace/BtfTraceTest.java

   1 /*******************************************************************************
   2  * Copyright (c) 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Matthew Khouzam - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.btf.core.tests.trace;
  13
  14 import static org.junit.Assert.*;
  15
  16 import java.io.IOException;
  17 import java.util.Map;
  18
  19 import org.eclipse.linuxtools.btf.core.tests.utils.BtfTestTrace;
  20 import org.eclipse.linuxtools.btf.core.trace.BtfTrace;
  21 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  22 import org.eclipse.linuxtools.tmf.core.trace.ITmfContext;
  23 import org.eclipse.linuxtools.tmf.core.trace.TraceValidationStatus;
  24 import org.junit.After;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27
  28 /**
  29  * Best trace format test cases
  30  *
  31  * @author Matthew Khouzam
  32  */
  33 public class BtfTraceTest {
  34
  35     private static final long START_TIME = 1392809960000000000L;
  36
  37     private BtfTrace fixture;
  38
  39     /**
  40      * Does the trace exist?
  41      */
  42     @Before
  43     public void setup() {
  44         fixture = BtfTestTrace.BTF_TEST.getTrace();
  45         assertNotNull(fixture);
  46     }
  47
  48     /**
  49      * Cleanup
  50      */
  51     @After
  52     public void cleanup() {
  53         try {
  54             fixture.close();
  55         } catch (IOException e) {}
  56     }
  57
  58     /**
  59      * Tests validation
  60      */
  61     @Test
  62     public void testValidate(){
  63         TraceValidationStatus status = (TraceValidationStatus) fixture.validate(null, fixture.getPath());
  64         assertNotNull(status);
  65         assertTrue(status.isOK());
  66         assertEquals(100, status.getConfidence());
  67
  68     }
  69
  70     /**
  71      * Seek the first event
  72      */
  73     @Test
  74     public void testSeek1stEvent() {
  75         ITmfContext ctx = fixture.seekEvent(0);
  76         assertNotNull(ctx);
  77         assertEquals(0, ctx.getRank());
  78         assertEquals(499L, ctx.getLocation().getLocationInfo());
  79     }
  80
  81     /**
  82      * Read the first event
  83      */
  84     @Test
  85     public void testRead1stEvent() {
  86         ITmfContext ctx = fixture.seekEvent(0);
  87         ITmfEvent event = fixture.getNext(ctx);
  88         assertNotNull(event);
  89         assertEquals(START_TIME, event.getTimestamp().getValue());
  90     }
  91
  92     /**
  93      * Read the tenth event
  94      */
  95     @Test
  96     public void testRead10thEvent1() {
  97         ITmfContext ctx = fixture.seekEvent(10);
  98         ITmfEvent event = fixture.getNext(ctx);
  99         assertNotNull(event);
 100         assertEquals(START_TIME, event.getTimestamp().getValue());
 101     }
 102
 103     /**
 104      * Read the tenth event without seeking
 105      */
 106     @Test
 107     public void testRead10thEvent2() {
 108         ITmfContext ctx = fixture.seekEvent(0);
 109         ITmfEvent event = null;
 110         for (int i = 0; i < 10; i++) {
 111             event = fixture.getNext(ctx);
 112         }
 113         assertNotNull(event);
 114         assertEquals(START_TIME, event.getTimestamp().getValue());
 115     }
 116
 117     /**
 118      * Read the trace properties
 119      */
 120     @Test
 121     public void testReadProperties() {
 122         Map<String, String> data = fixture.getTraceProperties();
 123         assertNotNull(data);
 124         assertEquals("ns", data.get("#timeScale"));
 125         assertEquals("2.1.0", data.get("#version"));
 126     }
 127
 128     /**
 129      * Read two contexts
 130      */
 131     @Test
 132     public void testTwoContexts() {
 133         ITmfContext ctx0 = fixture.seekEvent(0);
 134         ITmfContext ctx1 = fixture.seekEvent(10);
 135         ITmfEvent event = null;
 136         for (int i = 0; i < 11; i++) {
 137             event = fixture.getNext(ctx0);
 138         }
 139         ITmfEvent event1 = fixture.getNext(ctx1);
 140         assertNotNull(event);
 141         assertNotNull(event1);
 142         assertEquals(event, event1);
 143     }
 144 }