Package org.jacoco.core.runtime

Examples of org.jacoco.core.runtime.IRuntime

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    source = Source.getSourceFor(target);
  }

  private ExecutionDataStore execute(final ClassReader reader)
      throws Exception {
    IRuntime runtime = new SystemPropertiesRuntime();
    runtime.startup();
    final byte[] bytes = new Instrumenter(runtime).instrument(reader);
    final TargetLoader loader = new TargetLoader(target, bytes);
    final Object instance = loader.getTargetClass().newInstance();
    ((Runnable) instance).run();
    final ExecutionDataStore store = new ExecutionDataStore();
    runtime.collect(store, false);
    runtime.shutdown();
    return store;
  }
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  }

  private void testVersion(int version, boolean frames) {
    final byte[] original = createClass(version);

    IRuntime runtime = new SystemPropertiesRuntime();
    Instrumenter instrumenter = new Instrumenter(runtime);
    byte[] instrumented = instrumenter.instrument(original);

    assertFrames(instrumented, frames);
  }
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    final String targetName = TestTarget.class.getName();

    // For instrumentation and runtime we need a IRuntime instance
    // to collect execution data:
    final IRuntime runtime = new LoggerRuntime();

    // The Instrumenter creates a modified version of our test target class
    // that contains additional probes for execution data recording:
    final Instrumenter instr = new Instrumenter(runtime);
    final byte[] instrumented = instr
        .instrument(getTargetClass(targetName));

    // Now we're ready to run our instrumented class and need to startup the
    // runtime first:
    runtime.startup();

    // In this tutorial we use a special class loader to directly load the
    // instrumented class definition from a byte[] instances.
    final MemoryClassLoader memoryClassLoader = new MemoryClassLoader();
    memoryClassLoader.addDefinition(targetName, instrumented);
    final Class<?> targetClass = memoryClassLoader.loadClass(targetName);

    // Here we execute our test target class through its Runnable interface:
    final Runnable targetInstance = (Runnable) targetClass.newInstance();
    targetInstance.run();

    // At the end of test execution we collect execution data and shutdown
    // the runtime:
    final ExecutionDataStore executionData = new ExecutionDataStore();
    runtime.collect(executionData, null, false);
    runtime.shutdown();

    // Together with the original class definition we can calculate coverage
    // information:
    final CoverageBuilder coverageBuilder = new CoverageBuilder();
    final Analyzer analyzer = new Analyzer(executionData, coverageBuilder);
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  }

  @Override
  protected Runnable getInstrumentedRunnable() throws Exception {
    ClassReader reader = new ClassReader(TargetLoader.getClassData(target));
    IRuntime runtime = new LoggerRuntime();
    runtime.startup();
    final Instrumenter instr = new Instrumenter(runtime);
    final byte[] instrumentedBuffer = instr.instrument(reader);
    final TargetLoader loader = new TargetLoader(target, instrumentedBuffer);

    return (Runnable) loader.newTargetInstance();
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    final String targetName = TestTarget.class.getName();

    // For instrumentation and runtime we need a IRuntime instance
    // to collect execution data:
    final IRuntime runtime = new LoggerRuntime();

    // The Instrumenter creates a modified version of our test target class
    // that contains additional probes for execution data recording:
    final Instrumenter instr = new Instrumenter(runtime);
    final byte[] instrumented = instr
        .instrument(getTargetClass(targetName));

    // Now we're ready to run our instrumented class and need to startup the
    // runtime first:
    runtime.startup();

    // In this tutorial we use a special class loader to directly load the
    // instrumented class definition from a byte[] instances.
    final MemoryClassLoader memoryClassLoader = new MemoryClassLoader();
    memoryClassLoader.addDefinition(targetName, instrumented);
    final Class<?> targetClass = memoryClassLoader.loadClass(targetName);

    // Here we execute our test target class through its Runnable interface:
    final Runnable targetInstance = (Runnable) targetClass.newInstance();
    targetInstance.run();

    // At the end of test execution we collect execution data and shutdown
    // the runtime:
    final ExecutionDataStore executionData = new ExecutionDataStore();
    runtime.collect(executionData, null, false);
    runtime.shutdown();

    // Together with the original class definition we can calculate coverage
    // information:
    final CoverageBuilder coverageBuilder = new CoverageBuilder(
        executionData);
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      };
    }
  }

  private void testFrames(Class<?> target) throws IOException {
    IRuntime runtime = new SystemPropertiesRuntime();
    Instrumenter instrumenter = new Instrumenter(runtime);
    byte[] source = TargetLoader.getClassDataAsBytes(target);
    source = calculateFrames(source);
    byte[] actual = instrumenter.instrument(source);
    byte[] expected = calculateFrames(actual);
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    int c;
    while ((c = in.read()) != -1) {
      out.write(c);
    }
    final byte[] buffer = out.toByteArray();
    final IRuntime runtime = new LoggerRuntime();
    return new Runnable() {

      public void run() {
        for (int i = 0; i < count; i++) {
          ClassReader reader = new ClassReader(buffer);
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  public InstrumentationSizeSzenario(Class<?> target) {
    this.target = target;
  }

  public void run(IPerfOutput output) throws Exception {
    final IRuntime runtime = new LoggerRuntime();
    ClassReader reader = new ClassReader(TargetLoader.getClassData(target));
    final Instrumenter instr = new Instrumenter(runtime);
    instr.instrument(reader);
    output.writeByteResult("instrumented class",
        instr.instrument(reader).length, reader.b.length);
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  public void testWriteData() throws Exception {
    File destFile = folder.newFile("jacoco.exec");
    AgentOptions options = new AgentOptions();
    options.setDestfile(destFile.getAbsolutePath());

    IRuntime runtime = new StubRuntime();

    LocalController controller = new LocalController();
    controller.startup(options, runtime);
    controller.writeExecutionData();
    controller.shutdown();
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  @Test(expected = IOException.class)
  public void testInvalidDestFile() throws Exception {
    AgentOptions options = new AgentOptions();
    options.setDestfile(folder.newFolder("folder").getAbsolutePath());
    IRuntime runtime = new StubRuntime();
    LocalController controller = new LocalController();

    // Startup should fail as the file can not be created:
    controller.startup(options, runtime);
  }
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Related Classes of org.jacoco.core.runtime.IRuntime

  • org.jacoco.agent.rt.controller.LocalControllerTest
  • org.jacoco.agent.rt.internal.PreMain
  • org.jacoco.agent.rt.JacocoAgent
  • org.jacoco.core.test.perf.ExecuteInstrumentedCodeScenario
  • org.jacoco.core.test.perf.InstrumentationSizeSzenario
  • org.jacoco.core.test.perf.InstrumentationTimeScenario
  • org.jacoco.core.test.validation.ClassFileVersionsTest
  • org.jacoco.core.test.validation.FramesTest
  • org.jacoco.core.test.validation.ValidationTestBase
  • org.jacoco.examples.CoreTutorial
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