Move src/gfx/ to src/ui/gfx

To reduce the size of this change I've left stub header files in src/gfx/. Once all includes have been updated I'll delete the stub files.

BUG=71063
TEST=Still doing test builds.

Review URL: http://codereview.chromium.org/6246027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@73530 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 120 insertions, 0 deletions

diff --git a/ui/gfx/font_unittest.cc b/ui/gfx/font_unittest.cc
new file mode 100644
index 0000000..43eaa7c
--- /dev/null
+++ b/ui/gfx/font_unittest.cc
@@ -0,0 +1,120 @@
+// 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 "gfx/font.h"
+
+#include "base/utf_string_conversions.h"
+#if defined(OS_WIN)
+#include "gfx/platform_font_win.h"
+#endif  // defined(OS_WIN)
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+using gfx::Font;
+
+class FontTest : public testing::Test {
+};
+
+#if defined(OS_WIN)
+class ScopedMinimumFontSizeCallback {
+ public:
+  explicit ScopedMinimumFontSizeCallback(int minimum_size) {
+    minimum_size_ = minimum_size;
+    old_callback_ = gfx::PlatformFontWin::get_minimum_font_size_callback;
+    gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
+  }
+
+  ~ScopedMinimumFontSizeCallback() {
+    gfx::PlatformFontWin::get_minimum_font_size_callback = old_callback_;
+  }
+
+ private:
+  static int GetMinimumFontSize() {
+    return minimum_size_;
+  }
+
+  gfx::PlatformFontWin::GetMinimumFontSizeCallback old_callback_;
+  static int minimum_size_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedMinimumFontSizeCallback);
+};
+
+int ScopedMinimumFontSizeCallback::minimum_size_ = 0;
+#endif  // defined(OS_WIN)
+
+
+TEST_F(FontTest, LoadArial) {
+  Font cf(ASCIIToUTF16("Arial"), 16);
+  ASSERT_TRUE(cf.GetNativeFont());
+  ASSERT_EQ(cf.GetStyle(), Font::NORMAL);
+  ASSERT_EQ(cf.GetFontSize(), 16);
+  ASSERT_EQ(cf.GetFontName(), ASCIIToUTF16("Arial"));
+}
+
+TEST_F(FontTest, LoadArialBold) {
+  Font cf(ASCIIToUTF16("Arial"), 16);
+  Font bold(cf.DeriveFont(0, Font::BOLD));
+  ASSERT_TRUE(bold.GetNativeFont());
+  ASSERT_EQ(bold.GetStyle(), Font::BOLD);
+}
+
+TEST_F(FontTest, Ascent) {
+  Font cf(ASCIIToUTF16("Arial"), 16);
+  ASSERT_GT(cf.GetBaseline(), 2);
+  ASSERT_LE(cf.GetBaseline(), 22);
+}
+
+TEST_F(FontTest, Height) {
+  Font cf(ASCIIToUTF16("Arial"), 16);
+  ASSERT_GE(cf.GetHeight(), 16);
+  // TODO(akalin): Figure out why height is so large on Linux.
+  ASSERT_LE(cf.GetHeight(), 26);
+}
+
+TEST_F(FontTest, AvgWidths) {
+  Font cf(ASCIIToUTF16("Arial"), 16);
+  ASSERT_EQ(cf.GetExpectedTextWidth(0), 0);
+  ASSERT_GT(cf.GetExpectedTextWidth(1), cf.GetExpectedTextWidth(0));
+  ASSERT_GT(cf.GetExpectedTextWidth(2), cf.GetExpectedTextWidth(1));
+  ASSERT_GT(cf.GetExpectedTextWidth(3), cf.GetExpectedTextWidth(2));
+}
+
+TEST_F(FontTest, Widths) {
+  Font cf(ASCIIToUTF16("Arial"), 16);
+  ASSERT_EQ(cf.GetStringWidth(ASCIIToUTF16("")), 0);
+  ASSERT_GT(cf.GetStringWidth(ASCIIToUTF16("a")),
+            cf.GetStringWidth(ASCIIToUTF16("")));
+  ASSERT_GT(cf.GetStringWidth(ASCIIToUTF16("ab")),
+            cf.GetStringWidth(ASCIIToUTF16("a")));
+  ASSERT_GT(cf.GetStringWidth(ASCIIToUTF16("abc")),
+            cf.GetStringWidth(ASCIIToUTF16("ab")));
+}
+
+#if defined(OS_WIN)
+TEST_F(FontTest, DeriveFontResizesIfSizeTooSmall) {
+  // This creates font of height -8.
+  Font cf(L"Arial", 6);
+  // The minimum font size is set to 5 in browser_main.cc.
+  ScopedMinimumFontSizeCallback minimum_size(5);
+
+  Font derived_font = cf.DeriveFont(-4);
+  LOGFONT font_info;
+  GetObject(derived_font.GetNativeFont(), sizeof(LOGFONT), &font_info);
+  EXPECT_EQ(-5, font_info.lfHeight);
+}
+
+TEST_F(FontTest, DeriveFontKeepsOriginalSizeIfHeightOk) {
+  // This creates font of height -8.
+  Font cf(L"Arial", 6);
+  // The minimum font size is set to 5 in browser_main.cc.
+  ScopedMinimumFontSizeCallback minimum_size(5);
+
+  Font derived_font = cf.DeriveFont(-2);
+  LOGFONT font_info;
+  GetObject(derived_font.GetNativeFont(), sizeof(LOGFONT), &font_info);
+  EXPECT_EQ(-6, font_info.lfHeight);
+}
+#endif
+}  // namespace