org.eclipse.linuxtools.lttng.core.tests/src/org/eclipse/linuxtools/lttng/core/tests/event/LttngTimestampTest.java

   1 package org.eclipse.linuxtools.lttng.core.tests.event;
   2
   3 import java.io.File;
   4 import java.net.URL;
   5
   6 import junit.framework.TestCase;
   7
   8 import org.eclipse.core.runtime.FileLocator;
   9 import org.eclipse.core.runtime.Path;
  10 import org.eclipse.linuxtools.internal.lttng.core.event.LttngTimestamp;
  11 import org.eclipse.linuxtools.internal.lttng.core.trace.LTTngTextTrace;
  12 import org.eclipse.linuxtools.tmf.core.trace.TmfContext;
  13 import org.osgi.framework.FrameworkUtil;
  14
  15 /*
  16  Functions tested here :
  17  public LttngTimestamp()
  18  public LttngTimestamp(long newEventTime)
  19  public LttngTimestamp(TmfTimestamp oldEventTime)
  20
  21  public long getValue()
  22  public String getSeconds()
  23  public String getNanoSeconds()
  24
  25  public void setValue(long newValue)
  26
  27  public String toString()
  28  */
  29
  30 @SuppressWarnings("nls")
  31 public class LttngTimestampTest extends TestCase {
  32     private final static String tracepath1 = "traceset/trace-15316events_nolost_newformat.txt";
  33     private final static boolean skipIndexing = true;
  34
  35     private final static String firstEventTimeSecond = "13589";
  36     private final static String firstEventTimeNano   = "759412128";
  37     private final static long   firstEventTimeFull   = 13589759412128L;
  38
  39     private static LTTngTextTrace testStream = null;
  40
  41     private LTTngTextTrace initializeEventStream() {
  42         if (testStream == null)
  43             try {
  44                 final URL location = FileLocator.find(FrameworkUtil.getBundle(this.getClass()), new Path(tracepath1), null);
  45                 final File testfile = new File(FileLocator.toFileURL(location).toURI());
  46                 final LTTngTextTrace tmpStream = new LTTngTextTrace(null, testfile.getPath(), skipIndexing);
  47                 testStream = tmpStream;
  48             } catch (final Exception e) {
  49                 System.out.println("ERROR : Could not open " + tracepath1);
  50                 testStream = null;
  51             }
  52         return testStream;
  53     }
  54
  55     private LttngTimestamp prepareToTest() {
  56         LttngTimestamp tmpTime = null;
  57
  58         // This trace should be valid
  59         try {
  60             final LTTngTextTrace tmpStream = initializeEventStream();
  61             tmpTime = (LttngTimestamp) tmpStream.readEvent(new TmfContext(null, 0)).getTimestamp();
  62         } catch (final Exception e) {
  63             fail("ERROR : Failed to get reference!");
  64         }
  65
  66         return tmpTime;
  67     }
  68
  69     public void testConstructors() {
  70         LttngTimestamp tmpTime = null;
  71
  72         // Default construction with no argument
  73         try {
  74             tmpTime = new LttngTimestamp();
  75         } catch (final Exception e) {
  76             fail("Construction failed!");
  77         }
  78
  79         // Default construction with good argument
  80         try {
  81             tmpTime = new LttngTimestamp(1);
  82         } catch (final Exception e) {
  83             fail("Construction failed!");
  84         }
  85
  86         // Copy constructor
  87         try {
  88             tmpTime = new LttngTimestamp(1);
  89             new LttngTimestamp(tmpTime);
  90         } catch (final Exception e) {
  91             fail("Construction failed!");
  92         }
  93     }
  94
  95     public void testGetter() {
  96         final LttngTimestamp tmpTime = prepareToTest();
  97
  98         assertEquals("Time in second is wrong", firstEventTimeSecond, tmpTime.getSeconds());
  99         assertEquals("Time in nano second is wrong", firstEventTimeNano, tmpTime.getNanoSeconds());
 100
 101         assertEquals("Full time is wrong", firstEventTimeFull, tmpTime.getValue());
 102     }
 103
 104     public void testSetter() {
 105         final LttngTimestamp tmpTime = prepareToTest();
 106
 107         // We will set a time and we will make sure the set is working then
 108         tmpTime.setValue(1);
 109         assertEquals("Full time is wrong after set", 1, tmpTime.getValue());
 110     }
 111
 112     public void testToString() {
 113         final LttngTimestamp tmpTime = prepareToTest();
 114
 115         // Just make sure toString() does not return null or the java reference
 116         assertNotSame("toString returned null", null, tmpTime.toString());
 117         assertNotSame("toString is not overridded!", tmpTime.getClass().getName() + '@' + Integer.toHexString(tmpTime.hashCode()), tmpTime.toString());
 118     }
 119
 120     // Better test...
 121     public void testToString2() {
 122         final LttngTimestamp ts1 = new LttngTimestamp(2064357056377L);
 123         final String expectedTS1 = "2064.357056377";
 124
 125         final LttngTimestamp ts2 = new LttngTimestamp(1L);
 126         final String expectedTS2 = "0.000000001";
 127
 128         final LttngTimestamp ts3 = new LttngTimestamp(123456789L);
 129         final String expectedTS3 = "0.123456789";
 130
 131         final LttngTimestamp ts4 = new LttngTimestamp(1234567890L);
 132         final String expectedTS4 = "1.234567890";
 133
 134         assertEquals("toString()", expectedTS1, ts1.toString());
 135         assertEquals("toString()", expectedTS2, ts2.toString());
 136         assertEquals("toString()", expectedTS3, ts3.toString());
 137         assertEquals("toString()", expectedTS4, ts4.toString());
 138
 139         final LttngTimestamp ts5 = new LttngTimestamp(2234567890L);
 140         final LttngTimestamp delta = ts4.getDelta(ts5);
 141         final String expectedDelta = "-1.000000000";
 142         assertEquals("toString()", expectedDelta, delta.toString());
 143     }
 144 }