1 files changed, 173 insertions, 0 deletions
diff --git a/Tools/TestWebKitAPI/Tests/WTF/ListHashSet.cpp b/Tools/TestWebKitAPI/Tests/WTF/ListHashSet.cpp
new file mode 100644
index 000000000..7579c4299
--- /dev/null
+++ b/Tools/TestWebKitAPI/Tests/WTF/ListHashSet.cpp
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2012 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <wtf/ListHashSet.h>
+
+namespace TestWebKitAPI {
+
+TEST(WTF, ListHashSetRemoveFirst)
+{
+    ListHashSet<int> list;
+    list.add(1);
+    list.add(2);
+    list.add(3);
+
+    ASSERT_EQ(1, list.first());
+
+    list.removeFirst();
+    ASSERT_EQ(2, list.first());
+
+    list.removeFirst();
+    ASSERT_EQ(3, list.first());
+
+    list.removeFirst();
+    ASSERT_TRUE(list.isEmpty());
+}
+
+TEST(WTF, ListHashSetAppendOrMoveToLastNewItems)
+{
+    ListHashSet<int> list;
+    ListHashSet<int>::AddResult result = list.appendOrMoveToLast(1);
+    ASSERT_TRUE(result.isNewEntry);
+    result = list.add(2);
+    ASSERT_TRUE(result.isNewEntry);
+    result = list.appendOrMoveToLast(3);
+    ASSERT_TRUE(result.isNewEntry);
+
+    ASSERT_EQ(list.size(), 3);
+
+    // The list should be in order 1, 2, 3.
+    ListHashSet<int>::iterator iterator = list.begin();
+    ASSERT_EQ(1, *iterator);
+    ++iterator;
+    ASSERT_EQ(2, *iterator);
+    ++iterator;
+    ASSERT_EQ(3, *iterator);
+    ++iterator;
+}
+
+TEST(WTF, ListHashSetAppendOrMoveToLastWithDuplicates)
+{
+    ListHashSet<int> list;
+
+    // Add a single element twice.
+    ListHashSet<int>::AddResult result = list.add(1);
+    ASSERT_TRUE(result.isNewEntry);
+    result = list.appendOrMoveToLast(1);
+    ASSERT_FALSE(result.isNewEntry);
+    ASSERT_EQ(1, list.size());
+
+    list.add(2);
+    list.add(3);
+    ASSERT_EQ(3, list.size());
+
+    // Appending 2 move it to the end.
+    ASSERT_EQ(3, list.last());
+    result = list.appendOrMoveToLast(2);
+    ASSERT_FALSE(result.isNewEntry);
+    ASSERT_EQ(2, list.last());
+
+    // Inverse the list by moving each element to end end.
+    result = list.appendOrMoveToLast(3);
+    ASSERT_FALSE(result.isNewEntry);
+    result = list.appendOrMoveToLast(2);
+    ASSERT_FALSE(result.isNewEntry);
+    result = list.appendOrMoveToLast(1);
+    ASSERT_FALSE(result.isNewEntry);
+    ASSERT_EQ(3, list.size());
+
+    ListHashSet<int>::iterator iterator = list.begin();
+    ASSERT_EQ(3, *iterator);
+    ++iterator;
+    ASSERT_EQ(2, *iterator);
+    ++iterator;
+    ASSERT_EQ(1, *iterator);
+    ++iterator;
+}
+
+TEST(WTF, ListHashSetPrependOrMoveToLastNewItems)
+{
+    ListHashSet<int> list;
+    ListHashSet<int>::AddResult result = list.prependOrMoveToFirst(1);
+    ASSERT_TRUE(result.isNewEntry);
+    result = list.add(2);
+    ASSERT_TRUE(result.isNewEntry);
+    result = list.prependOrMoveToFirst(3);
+    ASSERT_TRUE(result.isNewEntry);
+
+    ASSERT_EQ(list.size(), 3);
+
+    // The list should be in order 3, 1, 2.
+    ListHashSet<int>::iterator iterator = list.begin();
+    ASSERT_EQ(3, *iterator);
+    ++iterator;
+    ASSERT_EQ(1, *iterator);
+    ++iterator;
+    ASSERT_EQ(2, *iterator);
+    ++iterator;
+}
+
+TEST(WTF, ListHashSetPrependOrMoveToLastWithDuplicates)
+{
+    ListHashSet<int> list;
+
+    // Add a single element twice.
+    ListHashSet<int>::AddResult result = list.add(1);
+    ASSERT_TRUE(result.isNewEntry);
+    result = list.prependOrMoveToFirst(1);
+    ASSERT_FALSE(result.isNewEntry);
+    ASSERT_EQ(1, list.size());
+
+    list.add(2);
+    list.add(3);
+    ASSERT_EQ(3, list.size());
+
+    // Prepending 2 move it to the beginning.
+    ASSERT_EQ(1, list.first());
+    result = list.prependOrMoveToFirst(2);
+    ASSERT_FALSE(result.isNewEntry);
+    ASSERT_EQ(2, list.first());
+
+    // Inverse the list by moving each element to the first position.
+    result = list.prependOrMoveToFirst(1);
+    ASSERT_FALSE(result.isNewEntry);
+    result = list.prependOrMoveToFirst(2);
+    ASSERT_FALSE(result.isNewEntry);
+    result = list.prependOrMoveToFirst(3);
+    ASSERT_FALSE(result.isNewEntry);
+    ASSERT_EQ(3, list.size());
+
+    ListHashSet<int>::iterator iterator = list.begin();
+    ASSERT_EQ(3, *iterator);
+    ++iterator;
+    ASSERT_EQ(2, *iterator);
+    ++iterator;
+    ASSERT_EQ(1, *iterator);
+    ++iterator;
+}
+
+} // namespace TestWebKitAPI