Tests for LinkedTreeMap with incompatible keys.
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@ -164,7 +164,6 @@ public final class LinkedTreeMap<K, V> extends AbstractMap<K, V> implements Seri
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}
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}
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// TODO(jwilson): don't throw ClassCastExceptions on unknown types
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@SuppressWarnings("unchecked") // this method throws ClassCastExceptions!
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Node<K, V> findByObject(Object key) {
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return key != null ? find((K) key, false) : null;
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@ -45,7 +45,30 @@ public final class LinkedTreeMapTest extends TestCase {
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assertIterationOrder(map.keySet(), "a", "c");
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}
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// TODO: test contains with non-string key
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public void testPutNullKeyFails() {
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LinkedTreeMap<String, String> map = new LinkedTreeMap<String, String>();
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try {
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map.put(null, "android");
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fail();
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} catch (NullPointerException expected) {
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}
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}
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public void testContainsNullKeyFails() {
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LinkedTreeMap<String, String> map = new LinkedTreeMap<String, String>();
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map.put("a", "android");
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assertFalse(map.containsKey(null));
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}
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public void testContainsNonComparableKeyThrows() {
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LinkedTreeMap<String, String> map = new LinkedTreeMap<String, String>();
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map.put("a", "android");
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try {
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map.containsKey(new Object());
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fail();
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} catch (ClassCastException expected) {
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}
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}
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private <T> void assertIterationOrder(Iterable<T> actual, T... expected) {
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ArrayList<T> actualList = new ArrayList<T>();
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