1 package org.hamcrest.collection; 2 3 4 import org.hamcrest.AbstractMatcherTest; 5 import org.hamcrest.Matcher; 6 7 import java.util.HashMap; 8 import java.util.Map; 9 import java.util.TreeMap; 10 11 import static org.hamcrest.collection.IsMapContaining.hasValue; 12 13 public class IsMapContainingValueTest extends AbstractMatcherTest { 14 15 @Override 16 protected Matcher<?> createMatcher() { 17 return hasValue("foo"); 18 } 19 20 public void testHasReadableDescription() { 21 assertDescription("map containing [ANYTHING->\"a\"]", hasValue("a")); 22 } 23 24 public void testDoesNotMatchEmptyMap() { 25 Map<String,Integer> map = new HashMap<String,Integer>(); 26 assertMismatchDescription("map was []", hasValue(1), map); 27 } 28 29 public void testMatchesSingletonMapContainingValue() { 30 Map<String,Integer> map = new HashMap<String,Integer>(); 31 map.put("a", 1); 32 33 assertMatches("Singleton map", hasValue(1), map); 34 } 35 36 public void testMatchesMapContainingValue() { 37 Map<String,Integer> map = new TreeMap<String,Integer>(); 38 map.put("a", 1); 39 map.put("b", 2); 40 map.put("c", 3); 41 42 assertMatches("hasValue 1", hasValue(1), map); 43 assertMatches("hasValue 3", hasValue(3), map); 44 assertMismatchDescription("map was [<a=1>, <b=2>, <c=3>]", hasValue(4), map); 45 } 46 } 47
