1 files changed, 101 insertions, 0 deletions
diff --git a/gfx/sfntly/cpp/src/test/cmap_editing_test.cc b/gfx/sfntly/cpp/src/test/cmap_editing_test.cc
new file mode 100644
index 0000000000..299b607625
--- /dev/null
+++ b/gfx/sfntly/cpp/src/test/cmap_editing_test.cc
@@ -0,0 +1,101 @@
+/*
+ * 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 <map>
+#include <algorithm>
+
+#include "sfntly/font.h"
+#include "sfntly/font_factory.h"
+#include "sfntly/table/core/font_header_table.h"
+#include "sfntly/tag.h"
+#include "sfntly/data/memory_byte_array.h"
+#include "sfntly/port/endian.h"
+#include "sfntly/port/file_input_stream.h"
+#include "sfntly/port/memory_output_stream.h"
+#include "test/test_data.h"
+#include "test/test_font_utils.h"
+#include "sfntly/table/core/cmap_table.h"
+#include "sfntly/port/refcount.h"
+#include "gtest/gtest.h"
+
+namespace sfntly {
+TEST(CMapEditingTest, RemoveAllButOneCMap) {
+  FontBuilderArray builders;
+  FontFactoryPtr font_factory;
+  font_factory.Attach(FontFactory::GetInstance());
+  BuilderForFontFile(SAMPLE_TTF_FILE, font_factory, &builders);
+  ASSERT_FALSE(builders.empty());
+  FontBuilderPtr font_builder = builders[0];
+  Ptr<CMapTable::Builder> cmap_table_builder =
+      (CMapTable::Builder*)font_builder->GetTableBuilder(Tag::cmap);
+  ASSERT_NE(cmap_table_builder, static_cast<CMapTable::Builder*>(NULL));
+  CMapTable::CMapBuilderMap*
+      cmap_builders = cmap_table_builder->GetCMapBuilders();
+  ASSERT_FALSE(cmap_builders->empty());
+
+  for (CMapTable::CMapBuilderMap::iterator
+           it = cmap_builders->begin(); it != cmap_builders->end();) {
+    if (it->second->cmap_id() == CMapTable::WINDOWS_BMP) {
+      ++it;
+    } else {
+      cmap_builders->erase(it++);
+    }
+  }
+  ASSERT_EQ(cmap_builders->size(), (uint32_t)1);
+  Font* font = font_builder->Build();
+  CMapTablePtr cmap_table = down_cast<CMapTable*>(font->GetTable(Tag::cmap));
+  ASSERT_EQ(1, cmap_table->NumCMaps());
+  CMapTable::CMapPtr cmap;
+  cmap.Attach(cmap_table->GetCMap(CMapTable::WINDOWS_BMP));
+  ASSERT_EQ(CMapTable::WINDOWS_BMP, cmap->cmap_id());
+  delete font;
+}
+
+TEST(CMapEditingTest, CopyAllCMapsToNewFont) {
+  FontArray fonts;
+  FontFactoryPtr font_factory;
+  font_factory.Attach(FontFactory::GetInstance());
+  LoadFont(SAMPLE_TTF_FILE, font_factory, &fonts);
+
+  ASSERT_FALSE(fonts.empty());
+  ASSERT_FALSE(fonts[0] == NULL);
+  FontPtr font = fonts[0];
+  CMapTablePtr cmap_table = down_cast<CMapTable*>(font->GetTable(Tag::cmap));
+  FontBuilderPtr font_builder;
+  font_builder.Attach(font_factory->NewFontBuilder());
+  Ptr<CMapTable::Builder> cmap_table_builder =
+      (CMapTable::Builder*)font_builder->NewTableBuilder(Tag::cmap);
+
+  CMapTable::CMapIterator cmap_iter(cmap_table, NULL);
+  while (cmap_iter.HasNext()) {
+    CMapTable::CMapPtr cmap;
+    cmap.Attach(cmap_iter.Next());
+    if (!cmap)
+      continue;
+    cmap_table_builder->NewCMapBuilder(cmap->cmap_id(), cmap->ReadFontData());
+  }
+
+  FontPtr new_font;
+  new_font.Attach(font_builder->Build());
+  CMapTablePtr new_cmap_table =
+      down_cast<CMapTable*>(font->GetTable(Tag::cmap));
+  ASSERT_EQ(cmap_table->NumCMaps(), new_cmap_table->NumCMaps());
+  CMapTable::CMapPtr cmap;
+  cmap.Attach(cmap_table->GetCMap(CMapTable::WINDOWS_BMP));
+  ASSERT_NE(cmap, static_cast<CMapTable::CMap*>(NULL));
+  ASSERT_EQ(CMapTable::WINDOWS_BMP, cmap->cmap_id());
+}
+}