1 files changed, 142 insertions, 0 deletions
diff --git a/guava-gwt/test-super/com/google/common/collect/testing/super/com/google/common/collect/testing/testers/MapCreationTester.java b/guava-gwt/test-super/com/google/common/collect/testing/super/com/google/common/collect/testing/testers/MapCreationTester.java
new file mode 100644
index 000000000..5870e6f76
--- /dev/null
+++ b/guava-gwt/test-super/com/google/common/collect/testing/super/com/google/common/collect/testing/testers/MapCreationTester.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2007 The Guava Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.common.collect.testing.testers;
+
+import static com.google.common.collect.testing.features.CollectionSize.ONE;
+import static com.google.common.collect.testing.features.CollectionSize.ZERO;
+import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;
+import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
+import static com.google.common.collect.testing.features.MapFeature.REJECTS_DUPLICATES_AT_CREATION;
+
+import com.google.common.annotations.GwtCompatible;
+import com.google.common.collect.testing.AbstractMapTester;
+import com.google.common.collect.testing.features.CollectionSize;
+import com.google.common.collect.testing.features.MapFeature;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map.Entry;
+
+/**
+ * A generic JUnit test which tests creation (typically through a constructor or
+ * static factory method) of a map. Can't be invoked directly; please see
+ * {@link com.google.common.collect.testing.MapTestSuiteBuilder}.
+ *
+ * @author Chris Povirk
+ * @author Kevin Bourrillion
+ */
+@GwtCompatible(emulated = true)
+public class MapCreationTester<K, V> extends AbstractMapTester<K, V> {
+  @MapFeature.Require(ALLOWS_NULL_KEYS)
+  @CollectionSize.Require(absent = ZERO)
+  public void testCreateWithNullKeySupported() {
+    initMapWithNullKey();
+    expectContents(createArrayWithNullKey());
+  }
+
+  @MapFeature.Require(absent = ALLOWS_NULL_KEYS)
+  @CollectionSize.Require(absent = ZERO)
+  public void testCreateWithNullKeyUnsupported() {
+    try {
+      initMapWithNullKey();
+      fail("Creating a map containing a null key should fail");
+    } catch (NullPointerException expected) {
+    }
+  }
+
+  @MapFeature.Require(ALLOWS_NULL_VALUES)
+  @CollectionSize.Require(absent = ZERO)
+  public void testCreateWithNullValueSupported() {
+    initMapWithNullValue();
+    expectContents(createArrayWithNullValue());
+  }
+
+  @MapFeature.Require(absent = ALLOWS_NULL_VALUES)
+  @CollectionSize.Require(absent = ZERO)
+  public void testCreateWithNullValueUnsupported() {
+    try {
+      initMapWithNullValue();
+      fail("Creating a map containing a null value should fail");
+    } catch (NullPointerException expected) {
+    }
+  }
+
+  @MapFeature.Require({ALLOWS_NULL_KEYS, ALLOWS_NULL_VALUES})
+  @CollectionSize.Require(absent = ZERO)
+  public void testCreateWithNullKeyAndValueSupported() {
+    Entry<K, V>[] entries = createSamplesArray();
+    entries[getNullLocation()] = entry(null, null);
+    resetMap(entries);
+    expectContents(entries);
+  }
+
+  @MapFeature.Require(value = ALLOWS_NULL_KEYS,
+      absent = REJECTS_DUPLICATES_AT_CREATION)
+  @CollectionSize.Require(absent = {ZERO, ONE})
+  public void testCreateWithDuplicates_nullDuplicatesNotRejected() {
+    expectFirstRemoved(getEntriesMultipleNullKeys());
+  }
+
+  @MapFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)
+  @CollectionSize.Require(absent = {ZERO, ONE})
+  public void testCreateWithDuplicates_nonNullDuplicatesNotRejected() {
+    expectFirstRemoved(getEntriesMultipleNonNullKeys());
+  }
+
+  @MapFeature.Require({ALLOWS_NULL_KEYS, REJECTS_DUPLICATES_AT_CREATION})
+  @CollectionSize.Require(absent = {ZERO, ONE})
+  public void testCreateWithDuplicates_nullDuplicatesRejected() {
+    Entry<K, V>[] entries = getEntriesMultipleNullKeys();
+    try {
+      resetMap(entries);
+      fail("Should reject duplicate null elements at creation");
+    } catch (IllegalArgumentException expected) {
+    }
+  }
+
+  @MapFeature.Require(REJECTS_DUPLICATES_AT_CREATION)
+  @CollectionSize.Require(absent = {ZERO, ONE})
+  public void testCreateWithDuplicates_nonNullDuplicatesRejected() {
+    Entry<K, V>[] entries = getEntriesMultipleNonNullKeys();
+    try {
+      resetMap(entries);
+      fail("Should reject duplicate non-null elements at creation");
+    } catch (IllegalArgumentException expected) {
+    }
+  }
+
+  private Entry<K, V>[] getEntriesMultipleNullKeys() {
+    Entry<K, V>[] entries = createArrayWithNullKey();
+    entries[0] = entry(null, entries[0].getValue());
+    return entries;
+  }
+
+  private Entry<K, V>[] getEntriesMultipleNonNullKeys() {
+    Entry<K, V>[] entries = createSamplesArray();
+    entries[0] = entry(samples.e1.getKey(), samples.e0.getValue());
+    return entries;
+  }
+
+  private void expectFirstRemoved(Entry<K, V>[] entries) {
+    resetMap(entries);
+
+    List<Entry<K, V>> expectedWithDuplicateRemoved =
+        Arrays.asList(entries).subList(1, getNumElements());
+    expectContents(expectedWithDuplicateRemoved);
+  }
+}
+