IsCollectionWithSize (Hamcrest)
Date: 2012-07-09

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## org.hamcrest.collection
Class IsCollectionWithSize<E>

    java.lang.Object
      org.hamcrest.BaseMatcher<T>
          org.hamcrest.TypeSafeDiagnosingMatcher<T>
              org.hamcrest.FeatureMatcher<java.util.Collection<? extends E>,java.lang.Integer>
                  org.hamcrest.collection.IsCollectionWithSize<E>

All Implemented Interfaces:
  Matcher<java.util.Collection<? extends E>>, SelfDescribing

    public class IsCollectionWithSize<E>

extends FeatureMatcher<java.util.Collection<? extends E>,java.lang.Integer>

Matches if collection size satisfies a nested matcher.

Constructor Summary
`IsCollectionWithSize(Matcher<? super java.lang.Integer> sizeMatcher)`

Method Summary
`protected java.lang.Integer` | `featureValueOf(java.util.Collection<? extends E> actual)` Implement this to extract the interesting feature.
`static
`<E> Matcher<java.util.Collection<? extends E>>`
` | `hasSize(int size)` Creates a matcher for `Collection`s that matches when the `size()` method returns a value equal to the specified `size`.
`static
`<E> Matcher<java.util.Collection<? extends E>>`
` | `hasSize(Matcher<? super java.lang.Integer> sizeMatcher)` Creates a matcher for `Collection`s that matches when the `size()` method returns a value that satisfies the specified matcher.

Methods inherited from class org.hamcrest.FeatureMatcher
`describeTo, matchesSafely`

Methods inherited from class org.hamcrest.TypeSafeDiagnosingMatcher
`describeMismatch, matches`

Methods inherited from class org.hamcrest.BaseMatcher
`_dont_implement_Matcher___instead_extend_BaseMatcher_, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### IsCollectionWithSize

    public IsCollectionWithSize(Matcher<? super java.lang.Integer> sizeMatcher)

Method Detail

### featureValueOf

    protected java.lang.Integer featureValueOf(java.util.Collection<? extends E> actual)

  Description copied from class: `FeatureMatcher`
  Implement this to extract the interesting feature.

  Specified by:
    `featureValueOf` in class `FeatureMatcher<java.util.Collection<? extends E>,java.lang.Integer>`
  Parameters:
    `actual` - the target object
  Returns:
    the feature to be matched

### hasSize

    public static <E> Matcher<java.util.Collection<? extends E>> hasSize(Matcher<? super java.lang.Integer> sizeMatcher)

  Creates a matcher for `Collection`s that matches when the `size()` method returns a value that satisfies the specified matcher.

  For example:

      assertThat(Arrays.asList("foo", "bar"), hasSize(equalTo(2)))

  Parameters:
    `sizeMatcher` - a matcher for the size of an examined `Collection`

### hasSize

    public static <E> Matcher<java.util.Collection<? extends E>> hasSize(int size)

  Creates a matcher for `Collection`s that matches when the `size()` method returns a value equal to the specified `size`.

  For example:

      assertThat(Arrays.asList("foo", "bar"), hasSize(2))

  Parameters:
    `size` - the expected size of an examined `Collection`

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