content/renderer/skia_benchmarking_extension_unittest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/skia_benchmarking_extension.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "third_party/skia/include/core/SkCanvas.h"
   9 #include "third_party/skia/include/core/SkGraphics.h"
  10 #include "third_party/skia/src/utils/debugger/SkDebugCanvas.h"
  11 #include "third_party/skia/src/utils/debugger/SkDrawCommand.h"
  12
  13 namespace {
  14
  15 testing::AssertionResult HasInfoField(SkDebugCanvas& canvas, int index,
  16                                       const char* field) {
  17
  18   const SkTDArray<SkString*>* info = canvas.getCommandInfo(index);
  19   if (info == NULL)
  20     return testing::AssertionFailure() << " command info not found for index "
  21                                        << index;
  22
  23   for (int i = 0; i < info->count(); ++i) {
  24     const SkString* info_str = (*info)[i];
  25     if (info_str == NULL)
  26       return testing::AssertionFailure() << " NULL info string for index "
  27                                          << index;
  28
  29     // FIXME: loose info paramter test.
  30     if (strstr(info_str->c_str(), field) != NULL)
  31       return testing::AssertionSuccess() << field << " found";
  32   }
  33
  34   return testing::AssertionFailure() << field << " not found";
  35 }
  36
  37 }
  38
  39 namespace content {
  40
  41 TEST(SkiaBenchmarkingExtensionTest, SkDebugCanvas) {
  42   SkGraphics::Init();
  43
  44   // Prepare canvas and resources.
  45   SkDebugCanvas canvas(100, 100);
  46   SkPaint red_paint;
  47   red_paint.setColor(SkColorSetARGB(255, 255, 0, 0));
  48   SkRect fullRect = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
  49   SkRect fillRect = SkRect::MakeXYWH(SkIntToScalar(25), SkIntToScalar(25),
  50                                      SkIntToScalar(50), SkIntToScalar(50));
  51
  52   SkMatrix trans;
  53   trans.setTranslate(SkIntToScalar(10), SkIntToScalar(10));
  54
  55   // Draw a trivial scene.
  56   canvas.save();
  57   canvas.clipRect(fullRect, SkRegion::kIntersect_Op, false);
  58   canvas.setMatrix(trans);
  59   canvas.drawRect(fillRect, red_paint);
  60   canvas.restore();
  61
  62   // Verify the recorded commands.
  63   SkDrawCommand::OpType cmd;
  64   int idx = 0;
  65   ASSERT_EQ(canvas.getSize(), 5);
  66
  67   ASSERT_TRUE(canvas.getDrawCommandAt(idx) != NULL);
  68   cmd = canvas.getDrawCommandAt(idx)->getType();
  69   EXPECT_EQ(cmd, SkDrawCommand::kSave_OpType);
  70   EXPECT_STREQ(SkDrawCommand::GetCommandString(cmd), "Save");
  71
  72   ASSERT_TRUE(canvas.getDrawCommandAt(++idx) != NULL);
  73   cmd = canvas.getDrawCommandAt(idx)->getType();
  74   EXPECT_EQ(cmd, SkDrawCommand::kClipRect_OpType);
  75   EXPECT_STREQ(SkDrawCommand::GetCommandString(cmd),
  76                SkDrawCommand::kClipRectString);
  77   EXPECT_TRUE(HasInfoField(canvas, idx, "SkRect"));
  78   EXPECT_TRUE(HasInfoField(canvas, idx, "Op"));
  79   EXPECT_TRUE(HasInfoField(canvas, idx, "doAA"));
  80
  81   ASSERT_TRUE(canvas.getDrawCommandAt(++idx) != NULL);
  82   cmd = canvas.getDrawCommandAt(idx)->getType();
  83   EXPECT_EQ(cmd, SkDrawCommand::kSetMatrix_OpType);
  84   EXPECT_STREQ(SkDrawCommand::GetCommandString(cmd), "SetMatrix");
  85
  86   ASSERT_TRUE(canvas.getDrawCommandAt(++idx) != NULL);
  87   cmd = canvas.getDrawCommandAt(idx)->getType();
  88   EXPECT_EQ(cmd, SkDrawCommand::kDrawRect_OpType);
  89   EXPECT_STREQ(SkDrawCommand::GetCommandString(cmd),
  90                SkDrawCommand::kDrawRectString);
  91   EXPECT_TRUE(HasInfoField(canvas, idx, "SkRect"));
  92
  93   ASSERT_TRUE(canvas.getDrawCommandAt(++idx) != NULL);
  94   cmd = canvas.getDrawCommandAt(idx)->getType();
  95   EXPECT_EQ(cmd, SkDrawCommand::kRestore_OpType);
  96   EXPECT_STREQ(SkDrawCommand::GetCommandString(cmd), "Restore");
  97 }
  98
  99 } // namespace content