Mac: Infrastructure for serialization of OS fonts over IPC.

chrome/common/font_loader_mac_unittest.mm

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/font_loader_mac.h"
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/basictypes.h"
+#include "base/scoped_cftyperef.h"
+#include "base/string_util.h"
+#include "testing/platform_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+class FontLoaderMacTest : public PlatformTest {
+};
+
+TEST_F(FontLoaderMacTest, LoadFont) {
+  base::SharedMemory font_data;
+  uint32 font_data_size = 0;
+
+  // Font we use for testing must not be in a .dfont container on 10.5 or 10.6
+  // see comment about font formats in font_loader_mac.h .
+  ASSERT_TRUE(FontLoader::LoadFontIntoBuffer(ASCIIToUTF16("Geeza Pro"),
+      16.0, &font_data, &font_data_size));
+  EXPECT_GT(font_data_size, 0U);
+
+  font_data.Unmap();
+  base::SharedMemoryHandle font_data_handle = font_data.handle();
+  scoped_cftyperef<CGFontRef> cgfont;
+
+  CGFontRef tmp;
+  EXPECT_TRUE(FontLoader::CreateCGFontFromBuffer(font_data_handle,
+                  font_data_size, &tmp));
+  ASSERT_TRUE(tmp != NULL);
+  cgfont.reset(tmp);
+
+  const NSFont* nsfont = reinterpret_cast<const NSFont*>(
+                            CTFontCreateWithGraphicsFont(cgfont.get(), 16.0,
+                                NULL, NULL));
+  [nsfont autorelease];
+
+  // Do something with the font to make sure it's loaded.
+  CGFloat cap_height = [nsfont capHeight];
+  EXPECT_GT(cap_height, 0.0);
+}
+
+}  // namespace