Package org.hamcrest
Class CustomTypeSafeMatcher<T>
- java.lang.Object
- org.hamcrest.BaseMatcher<T>
- org.hamcrest.TypeSafeMatcher<T>
- org.hamcrest.CustomTypeSafeMatcher<T>
- Type Parameters:
T
- The type of object being matched
- All Implemented Interfaces:
Matcher<T>
,SelfDescribing
public abstract class CustomTypeSafeMatcher<T> extends TypeSafeMatcher<T>
Utility class for writing one off matchers. For example:Matcher<String> aNonEmptyString = new CustomTypeSafeMatcher<String>("a non empty string") { public boolean matchesSafely(String string) { return !string.isEmpty(); } public void describeMismatchSafely(String string, Description mismatchDescription) { mismatchDescription.appendText("was empty"); } };
This is a variant ofCustomMatcher
that first type checks the argument being matched. By the timeTypeSafeMatcher.matchesSafely(T)
is is called the argument is guaranteed to be non-null and of the correct type.
Constructor Summary
Constructors Constructor Description CustomTypeSafeMatcher(String description)
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
describeTo(Description description)
Generates a description of the object.Methods inherited from class org.hamcrest.TypeSafeMatcher
describeMismatch, describeMismatchSafely, matches, matchesSafely
Methods inherited from class org.hamcrest.BaseMatcher
_dont_implement_Matcher___instead_extend_BaseMatcher_, toString
Constructor Detail
CustomTypeSafeMatcher
public CustomTypeSafeMatcher(String description)
Method Detail
describeTo
public final void describeTo(Description description)
Description copied from interface:SelfDescribing
Generates a description of the object. The description may be part of a a description of a larger object of which this is just a component, so it should be worded appropriately.- Parameters:
description
- The description to be built or appended to.