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diff --git a/test/cmap_iterator_test.cc b/test/cmap_iterator_test.cc
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+/*
+ * Copyright 2011 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#include <string.h>
+
+#include <vector>
+#include <string>
+#include <algorithm>
+
+#include "sfntly/font.h"
+#include "sfntly/font_factory.h"
+#include "sfntly/table/core/cmap_table.h"
+#include "sfntly/tag.h"
+#include "sfntly/port/type.h"
+#include "sfntly/port/refcount.h"
+#include "test/test_data.h"
+#include "test/test_font_utils.h"
+
+#include "gtest/gtest.h"
+
+#if GTEST_HAS_PARAM_TEST
+
+namespace sfntly {
+using ::testing::TestWithParam;
+using ::testing::Values;
+
+typedef std::vector<bool> BitSet;
+
+class CMapIteratorTestCase {
+ public:
+  CMapIteratorTestCase(int32_t platform_id, int32_t encoding_id,
+                       const char* file_name)
+      : platform_id_(platform_id),
+        encoding_id_(encoding_id),
+        file_name_(file_name) {
+  }
+  ~CMapIteratorTestCase() {}
+  int32_t platform_id() const { return platform_id_; }
+  int32_t encoding_id() const { return encoding_id_; }
+  const char* file_name() const { return file_name_; }
+
+ private:
+  int32_t platform_id_;
+  int32_t encoding_id_;
+  const char* file_name_;
+};
+
+class CMapIteratorTests
+    : public ::testing::TestWithParam<CMapIteratorTestCase> {
+ public:
+  virtual void SetUp();
+  virtual void TearDown() {}
+
+  BitSet* GenerateCMapEntries(int32_t start, int32_t count);
+  int32_t CompareCMapIterAndBitSet(CMapTable::CMap::CharacterIterator*
+                                   character_iterator,
+                                   BitSet* bit_set);
+
+  Ptr<CMapTable::CMap> cmap_;
+};
+
+void CMapIteratorTests::SetUp() {
+  FontArray fonts;
+  Ptr<FontFactory> font_factory;
+  const char* file_name = GetParam().file_name();
+  LoadFont(file_name, font_factory, &fonts);
+  Ptr<Font> font;
+  font.Attach(fonts[0].Detach());
+  Ptr<CMapTable> cmap_table = down_cast<CMapTable*>(font->GetTable(Tag::cmap));
+  ASSERT_FALSE(cmap_table == NULL);
+  cmap_.Attach(cmap_table->GetCMap(GetParam().platform_id(),
+                                   GetParam().encoding_id()));
+  ASSERT_FALSE(cmap_ == NULL);
+}
+
+BitSet* CMapIteratorTests::GenerateCMapEntries(int32_t start, int32_t count) {
+  BitSet* entries = new BitSet(count);
+  for (int32_t c = start; c < start + count; ++c) {
+    int32_t g = cmap_->GlyphId(c);
+    if (g != CMapTable::NOTDEF)
+      (*entries)[c] = true;
+  }
+  return entries;
+}
+
+int32_t
+CMapIteratorTests::
+CompareCMapIterAndBitSet(CMapTable::CMap::CharacterIterator* character_iterator,
+                         BitSet* bit_set) {
+  int32_t iterator_not_bitset_count = 0;
+  BitSet::iterator end = bit_set->end(),
+      beginning = bit_set->begin(),
+      init_beginning = beginning,
+      current = std::find(beginning, end, true);
+  for (int32_t next_bit = current - beginning;
+       character_iterator->HasNext() && current != end;
+       next_bit = current - init_beginning) {
+    int32_t c = character_iterator->Next();
+    EXPECT_TRUE(c <= next_bit || current == end);
+    if (!(c <= next_bit || current == end))
+      return -1;
+    if (c == next_bit) {
+      beginning = current + 1;
+      current = std::find(beginning, end, true);
+    } else {
+      iterator_not_bitset_count++;
+    }
+  }
+  EXPECT_EQ(end, current);
+#if defined (SFNTLY_DEBUG_CMAP)
+  fprintf(stderr, "%s %d: Differences between iterator and bitset: %d\n",
+          cmap_->format(), GetParam().file_name(), iterator_not_bitset_count);
+#endif
+  return iterator_not_bitset_count;
+}
+
+TEST_P(CMapIteratorTests, IteratorTest) {
+  BitSet* bit_set = GenerateCMapEntries(0, 0x10ffff);
+  CMapTable::CMap::CharacterIterator* character_iterator = NULL;
+  character_iterator = cmap_->Iterator();
+  EXPECT_NE(character_iterator,
+            reinterpret_cast<CMapTable::CMap::CharacterIterator*>(NULL));
+  CompareCMapIterAndBitSet(character_iterator, bit_set);
+  delete character_iterator;
+  delete bit_set;
+}
+
+CMapIteratorTestCase kCMapIteratorTestsTestCases[] = {
+  CMapIteratorTestCase(CMapTable::WINDOWS_BMP.platform_id,
+                       CMapTable::WINDOWS_BMP.encoding_id,
+                       SAMPLE_TTF_FILE)
+};
+
+INSTANTIATE_TEST_CASE_P(CMapIteratorTests,
+                        CMapIteratorTests,
+                        ::testing::ValuesIn(kCMapIteratorTestsTestCases));
+}
+
+#else
+
+TEST(DummyTest, ValueParameterizedTestsAreNotSupportedOnThisPlatform) {}
+
+#endif  // GTEST_HAS_PARAM