org.apache.lucene.util

## Class TestSecurityManager

- java.lang.Object
- - java.lang.SecurityManager
  - - org.apache.lucene.util.TestSecurityManager

-     public final class TestSecurityManager
      extends SecurityManager

  A `SecurityManager` that prevents tests calling `System.exit(int)`. Only the test runner itself is allowed to exit the JVM. All other security checks are handled by the default security policy.

  Use this with `-Djava.security.manager=org.apache.lucene.util.TestSecurityManager`.

- - ### Field Summary

    - ### Fields inherited from class java.lang.SecurityManager

      `inCheck`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `TestSecurityManager()` Creates a new TestSecurityManager.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `checkExit(int status)`

    - ### Methods inherited from class java.lang.SecurityManager

      `checkAccept, checkAccess, checkAccess, checkAwtEventQueueAccess, checkConnect, checkConnect, checkCreateClassLoader, checkDelete, checkExec, checkLink, checkListen, checkMemberAccess, checkMulticast, checkMulticast, checkPackageAccess, checkPackageDefinition, checkPermission, checkPermission, checkPrintJobAccess, checkPropertiesAccess, checkPropertyAccess, checkRead, checkRead, checkRead, checkSecurityAccess, checkSetFactory, checkSystemClipboardAccess, checkTopLevelWindow, checkWrite, checkWrite, classDepth, classLoaderDepth, currentClassLoader, currentLoadedClass, getClassContext, getInCheck, getSecurityContext, getThreadGroup, inClass, inClassLoader`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### TestSecurityManager

          public TestSecurityManager()

      Creates a new TestSecurityManager. This ctor is called on JVM startup, when `-Djava.security.manager=org.apache.lucene.util.TestSecurityManager` is passed to JVM.

  - ### Method Detail

    - #### checkExit

          public void checkExit(int status)

      This method inspects the stack trace and checks who is calling `System.exit(int)` and similar methods

      Overrides:
        `checkExit` in class `SecurityManager`
      Throws:
        `SecurityException` - if the caller of this method is not the test runner itself.

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