se.jiderhamn.classloader.leak

Class JUnitClassloaderRunner

java.lang.Object

org.junit.runner.Runner

org.junit.runners.ParentRunner<org.junit.runners.model.FrameworkMethod>

org.junit.runners.BlockJUnit4ClassRunner

se.jiderhamn.classloader.leak.JUnitClassloaderRunner

All Implemented Interfaces:

org.junit.runner.Describable, org.junit.runner.manipulation.Filterable, org.junit.runner.manipulation.Sortable

public class JUnitClassloaderRunner
extends org.junit.runners.BlockJUnit4ClassRunner

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	JUnitClassloaderRunner.SeparateClassLoaderInvokeMethod

Field Summary

Fields

Modifier and Type	Field and Description
private static int	HALT_TIME_S Number of seconds to halt to allow for heap dump aquirement, if that option is enabled

Constructor Summary

Constructors

Constructor and Description
JUnitClassloaderRunner(java.lang.Class<?> klass)

Method Summary

Modifier and Type	Method and Description
private <T> T[]	appendArrays(T[] arr1, T[] arr2) Append two arrays
private void	dumpHeap(java.lang.String testName) Create heap dump in file with same name as the test
static void	forceGc() Make sure Garbage Collection has been run
static void	forceGc(int n) Make sure Garbage Collection has been run N no of times
private java.io.File	getSurefireReportsDirectory() Try to find "target/surefire-reports" directory, assuming this is a Maven build.
private static java.io.File	getSurefireReportsDirectory(java.lang.Class<?> clazz) Try to find "target/surefire-reports" directory, assuming this is a Maven build.
protected org.junit.runners.model.Statement	methodInvoker(org.junit.runners.model.FrameworkMethod method, java.lang.Object test)
private static void	waitForHeapDump()

Methods inherited from class org.junit.runners.BlockJUnit4ClassRunner

collectInitializationErrors, computeTestMethods, createTest, describeChild, getChildren, getTestRules, isIgnored, methodBlock, possiblyExpectingExceptions, rules, runChild, testName, validateConstructor, validateFields, validateInstanceMethods, validateNoNonStaticInnerClass, validateOnlyOneConstructor, validateTestMethods, validateZeroArgConstructor, withAfters, withBefores, withPotentialTimeout

Methods inherited from class org.junit.runners.ParentRunner

childrenInvoker, classBlock, classRules, createTestClass, filter, getDescription, getName, getRunnerAnnotations, getTestClass, run, runLeaf, setScheduler, sort, validatePublicVoidNoArgMethods, withAfterClasses, withBeforeClasses

Methods inherited from class org.junit.runner.Runner

testCount

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

HALT_TIME_S

private static final int HALT_TIME_S

Number of seconds to halt to allow for heap dump aquirement, if that option is enabled

See Also:

Constant Field Values

Constructor Detail

JUnitClassloaderRunner

public JUnitClassloaderRunner(java.lang.Class<?> klass)
                       throws org.junit.runners.model.InitializationError

Throws:

org.junit.runners.model.InitializationError

Method Detail

methodInvoker

protected org.junit.runners.model.Statement methodInvoker(org.junit.runners.model.FrameworkMethod method,
                                                          java.lang.Object test)

Overrides:

methodInvoker in class org.junit.runners.BlockJUnit4ClassRunner

forceGc

public static void forceGc(int n)

Make sure Garbage Collection has been run N no of times

forceGc

public static void forceGc()

Make sure Garbage Collection has been run

waitForHeapDump

private static void waitForHeapDump()
                             throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

dumpHeap

private void dumpHeap(java.lang.String testName)

Create heap dump in file with same name as the test

getSurefireReportsDirectory

private java.io.File getSurefireReportsDirectory()

Try to find "target/surefire-reports" directory, assuming this is a Maven build. Returns null it not found, not writable or other error.

getSurefireReportsDirectory

private static java.io.File getSurefireReportsDirectory(java.lang.Class<?> clazz)

Try to find "target/surefire-reports" directory, assuming this is a Maven build. Returns null it not found, not writable or other error.

appendArrays

private <T> T[] appendArrays(T[] arr1,
                             T[] arr2)

Append two arrays