org.hamcrest.collection
Class IsEmptyIterable<E>

java.lang.Object
  extended by org.hamcrest.BaseMatcher<T>
      extended by org.hamcrest.TypeSafeMatcher<java.lang.Iterable<? extends E>>
          extended by org.hamcrest.collection.IsEmptyIterable<E>
All Implemented Interfaces:
org.hamcrest.Matcher<java.lang.Iterable<? extends E>>, org.hamcrest.SelfDescribing

public class IsEmptyIterable<E>
extends org.hamcrest.TypeSafeMatcher<java.lang.Iterable<? extends E>>

Tests if collection is empty.


Constructor Summary
IsEmptyIterable()
           
 
Method Summary
 void describeMismatchSafely(java.lang.Iterable<? extends E> iter, org.hamcrest.Description mismatchDescription)
           
 void describeTo(org.hamcrest.Description description)
           
static
<E> org.hamcrest.Matcher<java.lang.Iterable<? extends E>>
emptyIterable()
          Creates a matcher for Iterables matching examined iterables that yield no items.
static
<E> org.hamcrest.Matcher<java.lang.Iterable<E>>
emptyIterableOf(java.lang.Class<E> type)
          Creates a matcher for Iterables matching examined iterables that yield no items.
 boolean matchesSafely(java.lang.Iterable<? extends E> iterable)
           
 
Methods inherited from class org.hamcrest.TypeSafeMatcher
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

IsEmptyIterable

public IsEmptyIterable()
Method Detail

matchesSafely

public boolean matchesSafely(java.lang.Iterable<? extends E> iterable)
Specified by:
matchesSafely in class org.hamcrest.TypeSafeMatcher<java.lang.Iterable<? extends E>>

describeMismatchSafely

public void describeMismatchSafely(java.lang.Iterable<? extends E> iter,
                                   org.hamcrest.Description mismatchDescription)
Overrides:
describeMismatchSafely in class org.hamcrest.TypeSafeMatcher<java.lang.Iterable<? extends E>>

describeTo

public void describeTo(org.hamcrest.Description description)

emptyIterable

public static <E> org.hamcrest.Matcher<java.lang.Iterable<? extends E>> emptyIterable()
Creates a matcher for Iterables matching examined iterables that yield no items.

For example:

assertThat(new ArrayList<String>(), is(emptyIterable()))


emptyIterableOf

public static <E> org.hamcrest.Matcher<java.lang.Iterable<E>> emptyIterableOf(java.lang.Class<E> type)
Creates a matcher for Iterables matching examined iterables that yield no items.

For example:

assertThat(new ArrayList<String>(), is(emptyIterableOf(String.class)))

Parameters:
type - the type of the iterable's content