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Add a test case AbstractMultiValuedMapTest testToString() (#100) 

* Add a test case AbstractMultiValuedMapTest testToString()

* Update a test case AbstractMultiValuedMapTest testToString()
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dota17 2019-10-31 20:43:17 +08:00 committed by Gary Gregory
parent ccb5e1a602
commit 455ebc0aec
1 changed files with 27 additions and 0 deletions
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27
src/test/java/org/apache/commons/collections4/multimap/AbstractMultiValuedMapTest.java
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@ -655,6 +655,33 @@ public abstract class AbstractMultiValuedMapTest<K, V> extends AbstractObjectTes
//assertEquals(new MultiValuedHashMap<K, V>(), map);
}
public void testToString(){
if (!isAddSupported()) {
return;
}
final MultiValuedMap<K, V> map = makeObject();
map.put((K) "A", (V) "X");
map.put((K) "A", (V) "Y");
map.put((K) "A", (V) "Z");
map.put((K) "B", (V) "U");
map.put((K) "B", (V) "V");
map.put((K) "B", (V) "W");
assertEquals("{A=[X, Y, Z], B=[U, V, W]}", map.toString());
try {
final MultiValuedMap<K, V> originalNull = null;
map.putAll(originalNull);
fail("expecting NullPointerException");
} catch (final NullPointerException npe) {
// expected
}
assertEquals("{A=[X, Y, Z], B=[U, V, W]}", map.toString());
map.remove((K) "A");
map.remove((K) "B");
assertEquals("{}", map.toString());
}
public void testKeysMultiSet() {
final MultiValuedMap<K, V> map = makeFullMap();
final MultiSet<K> keyMultiSet = map.keys();