text: // Copyright 2010-2020, Google Inc.
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  // in the documentation and/or other materials provided with the
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  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  // (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 "renderer/unix/draw_tool.h"
  #include "base/coordinates.h"
  #include "renderer/unix/cairo_wrapper_mock.h"
  #include "renderer/unix/const.h"
  #include "testing/base/public/gmock.h"
  #include "testing/base/public/gunit.h"
  
  using ::testing::_;
  using ::testing::Expectation;
  
  namespace mozc {
  namespace renderer {
  namespace gtk {
  
  TEST(DrawToolTest, SaveTest) {
    DrawTool draw_tool;
    CairoWrapperMock *mock = new CairoWrapperMock();
    draw_tool.Reset(mock);
  
    EXPECT_CALL(*mock, Save());
    draw_tool.Save();
  }
  
  TEST(DrawToolTest, RestoreTest) {
    DrawTool draw_tool;
    CairoWrapperMock *mock = new CairoWrapperMock();
    draw_tool.Reset(mock);
  
    EXPECT_CALL(*mock, Restore());
    draw_tool.Restore();
  }
  
  TEST(DrawToolTest, FillRectTest) {
    DrawTool draw_tool;
    CairoWrapperMock *mock = new CairoWrapperMock();
    draw_tool.Reset(mock);
  
    const RGBA color = {0x10, 0x20, 0x30, 0x40};
    const Rect rect(10, 20, 30, 40);
  
    Expectation set_source_rgba_expectation = EXPECT_CALL(
        *mock, SetSourceRGBA(color.red / 255.0, color.green / 255.0,
                             color.blue / 255.0, color.alpha / 255.0));
    Expectation rectangle_expectation =
        EXPECT_CALL(*mock, Rectangle(rect.origin.x, rect.origin.y,
                                     rect.size.width, rect.size.height));
    EXPECT_CALL(*mock, Fill())
        .After(rectangle_expectation)
        .After(set_source_rgba_expectation);
  
    draw_tool.FillRect(rect, color);
  }
  
  TEST(DrawToolTest, FrameRectTest) {
    DrawTool draw_tool;
    CairoWrapperMock *mock = new CairoWrapperMock();
    draw_tool.Reset(mock);
  
    const RGBA color = {0x10, 0x20, 0x30, 0x40};
    const Rect rect(10, 20, 30, 40);
    const uint32 line_width = 3;
  
    Expectation set_source_rgba_expectation = EXPECT_CALL(
        *mock, SetSourceRGBA(color.red / 255.0, color.green / 255.0,
                             color.blue / 255.0, color.alpha / 255.0));
    Expectation set_line_width_expectation =
        EXPECT_CALL(*mock, SetLineWidth(static_cast<double>(line_width)));
    Expectation rectangle_expectation =
        EXPECT_CALL(*mock, Rectangle(rect.origin.x, rect.origin.y,
                                     rect.size.width, rect.size.height));
    EXPECT_CALL(*mock, Stroke())
        .After(rectangle_expectation)
        .After(set_line_width_expectation)
        .After(set_source_rgba_expectation);
  
    draw_tool.FrameRect(rect, color, line_width);
  }
  
  TEST(DrawToolTest, DrawLineTest) {
    DrawTool draw_tool;
    CairoWrapperMock *mock = new CairoWrapperMock();
    draw_tool.Reset(mock);
  
    const RGBA color = {0x10, 0x20, 0x30, 0x40};
    const uint32 line_width = 3;
    const Point from(10, 20);
    const Point to(15, 25);
  
    Expectation set_source_rgba_expectation = EXPECT_CALL(
        *mock, SetSourceRGBA(color.red / 255.0, color.green / 255.0,
                             color.blue / 255.0, color.alpha / 255.0));
    Expectation set_line_width_expectation =
        EXPECT_CALL(*mock, SetLineWidth(static_cast<double>(line_width)));
    Expectation move_to_expectation = EXPECT_CALL(*mock, MoveTo(from.x, from.y));
    Expectation line_to_expectation =
        EXPECT_CALL(*mock, LineTo(to.x, to.y)).After(move_to_expectation);
    EXPECT_CALL(*mock, Stroke())
        .After(line_to_expectation)
        .After(set_line_width_expectation)
        .After(set_source_rgba_expectation);
  
    draw_tool.DrawLine(from, to, color, line_width);
  }
  
  }  // namespace gtk
  }  // namespace renderer
  }  // namespace mozc
  