Package org.hamcrest.collection
Class IsArrayWithSize<E>
- java.lang.Object
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- org.hamcrest.BaseMatcher<T>
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- org.hamcrest.TypeSafeDiagnosingMatcher<T>
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- org.hamcrest.FeatureMatcher<E[],java.lang.Integer>
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- org.hamcrest.collection.IsArrayWithSize<E>
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- All Implemented Interfaces:
Matcher<E[]>
,SelfDescribing
public class IsArrayWithSize<E> extends FeatureMatcher<E[],java.lang.Integer>
Matches if array size satisfies a nested matcher.
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Constructor Summary
Constructors Constructor Description IsArrayWithSize(Matcher<? super java.lang.Integer> sizeMatcher)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <E> Matcher<E[]>
arrayWithSize(int size)
Creates a matcher for arrays that matches when thelength
of the array equals the specifiedsize
.static <E> Matcher<E[]>
arrayWithSize(Matcher<? super java.lang.Integer> sizeMatcher)
Creates a matcher for arrays that matches when thelength
of the array satisfies the specified matcher.static <E> Matcher<E[]>
emptyArray()
Creates a matcher for arrays that matches when thelength
of the array is zero.protected java.lang.Integer
featureValueOf(E[] actual)
Implement this to extract the interesting feature.-
Methods inherited from class org.hamcrest.FeatureMatcher
describeTo, matchesSafely
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Methods inherited from class org.hamcrest.TypeSafeDiagnosingMatcher
describeMismatch, matches
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Methods inherited from class org.hamcrest.BaseMatcher
_dont_implement_Matcher___instead_extend_BaseMatcher_, toString
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Constructor Detail
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IsArrayWithSize
public IsArrayWithSize(Matcher<? super java.lang.Integer> sizeMatcher)
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Method Detail
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featureValueOf
protected java.lang.Integer featureValueOf(E[] actual)
Description copied from class:FeatureMatcher
Implement this to extract the interesting feature.- Specified by:
featureValueOf
in classFeatureMatcher<E[],java.lang.Integer>
- Parameters:
actual
- the target object- Returns:
- the feature to be matched
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arrayWithSize
public static <E> Matcher<E[]> arrayWithSize(Matcher<? super java.lang.Integer> sizeMatcher)
Creates a matcher for arrays that matches when thelength
of the array satisfies the specified matcher. For example:assertThat(new String[]{"foo", "bar"}, arrayWithSize(equalTo(2)))
- Parameters:
sizeMatcher
- a matcher for the length of an examined array
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arrayWithSize
public static <E> Matcher<E[]> arrayWithSize(int size)
Creates a matcher for arrays that matches when thelength
of the array equals the specifiedsize
. For example:assertThat(new String[]{"foo", "bar"}, arrayWithSize(2))
- Parameters:
size
- the length that an examined array must have for a positive match
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emptyArray
public static <E> Matcher<E[]> emptyArray()
Creates a matcher for arrays that matches when thelength
of the array is zero. For example:assertThat(new String[0], emptyArray())
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