Class ThrowableCauseMatcher<T extends Throwable>

java.lang.Object
org.hamcrest.BaseMatcher<T>
org.hamcrest.TypeSafeMatcher<T>
org.junit.internal.matchers.ThrowableCauseMatcher<T>
Type Parameters:
T - the type of the throwable being matched
All Implemented Interfaces:
org.hamcrest.Matcher<T>, org.hamcrest.SelfDescribing

public class ThrowableCauseMatcher<T extends Throwable> extends org.hamcrest.TypeSafeMatcher<T>
A matcher that applies a delegate matcher to the cause of the current Throwable, returning the result of that match.
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private final org.hamcrest.Matcher<?>
     
  • Constructor Summary

    Constructors
    Constructor
    Description
    ThrowableCauseMatcher(org.hamcrest.Matcher<?> causeMatcher)
     
  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    describeMismatchSafely(T item, org.hamcrest.Description description)
     
    void
    describeTo(org.hamcrest.Description description)
     
    static <T extends Throwable>
    org.hamcrest.Matcher<T>
    hasCause(org.hamcrest.Matcher<?> matcher)
    Returns a matcher that verifies that the outer exception has a cause for which the supplied matcher evaluates to true.
    protected boolean
     

    Methods inherited from class org.hamcrest.TypeSafeMatcher

    describeMismatch, matches

    Methods inherited from class org.hamcrest.BaseMatcher

    _dont_implement_Matcher___instead_extend_BaseMatcher_, isNotNull, toString

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  • Field Details

    • causeMatcher

      private final org.hamcrest.Matcher<?> causeMatcher
  • Constructor Details

    • ThrowableCauseMatcher

      public ThrowableCauseMatcher(org.hamcrest.Matcher<?> causeMatcher)
  • Method Details

    • describeTo

      public void describeTo(org.hamcrest.Description description)
    • matchesSafely

      protected boolean matchesSafely(T item)
      Specified by:
      matchesSafely in class org.hamcrest.TypeSafeMatcher<T extends Throwable>
    • describeMismatchSafely

      protected void describeMismatchSafely(T item, org.hamcrest.Description description)
      Overrides:
      describeMismatchSafely in class org.hamcrest.TypeSafeMatcher<T extends Throwable>
    • hasCause

      public static <T extends Throwable> org.hamcrest.Matcher<T> hasCause(org.hamcrest.Matcher<?> matcher)
      Returns a matcher that verifies that the outer exception has a cause for which the supplied matcher evaluates to true.
      Type Parameters:
      T - type of the outer exception
      Parameters:
      matcher - to apply to the cause of the outer exception