cc/output/begin_frame_args_unittest.cc

   1 // Copyright 2014 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 <string>
   6
   7 #include "cc/output/begin_frame_args.h"
   8 #include "cc/test/begin_frame_args_test.h"
   9 #include "testing/gtest/include/gtest/gtest-spi.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "ui/gfx/frame_time.h"
  12
  13 namespace cc {
  14 namespace {
  15
  16 TEST(BeginFrameArgsTest, Helpers) {
  17   // Quick create methods work
  18   BeginFrameArgs args0 = CreateBeginFrameArgsForTesting();
  19   EXPECT_TRUE(args0.IsValid()) << args0;
  20
  21   BeginFrameArgs args1 = CreateBeginFrameArgsForTesting(0, 0, -1);
  22   EXPECT_FALSE(args1.IsValid()) << args1;
  23
  24   BeginFrameArgs args2 = CreateBeginFrameArgsForTesting(1, 2, 3);
  25   EXPECT_TRUE(args2.IsValid()) << args2;
  26   EXPECT_EQ(1, args2.frame_time.ToInternalValue());
  27   EXPECT_EQ(2, args2.deadline.ToInternalValue());
  28   EXPECT_EQ(3, args2.interval.ToInternalValue());
  29
  30   BeginFrameArgs args3 = CreateExpiredBeginFrameArgsForTesting();
  31   EXPECT_TRUE(args3.IsValid()) << args3;
  32   EXPECT_GT(gfx::FrameTime::Now(), args3.deadline);
  33
  34   // operator==
  35   EXPECT_EQ(CreateBeginFrameArgsForTesting(4, 5, 6),
  36             CreateBeginFrameArgsForTesting(4, 5, 6));
  37
  38   EXPECT_NONFATAL_FAILURE(EXPECT_EQ(CreateBeginFrameArgsForTesting(4, 5, 6),
  39                                     CreateBeginFrameArgsForTesting(7, 8, 9)),
  40                           "");
  41
  42   // operator<<
  43   std::stringstream out1;
  44   out1 << args1;
  45   EXPECT_EQ("BeginFrameArgs(0, 0, -1us)", out1.str());
  46   std::stringstream out2;
  47   out2 << args2;
  48   EXPECT_EQ("BeginFrameArgs(1, 2, 3us)", out2.str());
  49
  50   // PrintTo
  51   EXPECT_EQ(std::string("BeginFrameArgs(0, 0, -1us)"),
  52             ::testing::PrintToString(args1));
  53   EXPECT_EQ(std::string("BeginFrameArgs(1, 2, 3us)"),
  54             ::testing::PrintToString(args2));
  55 }
  56
  57 TEST(BeginFrameArgsTest, Create) {
  58   // BeginFrames are not valid by default
  59   BeginFrameArgs args1;
  60   EXPECT_FALSE(args1.IsValid()) << args1;
  61
  62   BeginFrameArgs args2 =
  63       BeginFrameArgs::Create(base::TimeTicks::FromInternalValue(1),
  64                              base::TimeTicks::FromInternalValue(2),
  65                              base::TimeDelta::FromInternalValue(3));
  66   EXPECT_TRUE(args2.IsValid()) << args2;
  67   EXPECT_EQ(1, args2.frame_time.ToInternalValue()) << args2;
  68   EXPECT_EQ(2, args2.deadline.ToInternalValue()) << args2;
  69   EXPECT_EQ(3, args2.interval.ToInternalValue()) << args2;
  70
  71   base::TimeTicks now = base::TimeTicks::FromInternalValue(1);
  72   EXPECT_EQ(CreateBeginFrameArgsForTesting(1, 0, 16666),
  73             BeginFrameArgs::CreateForSynchronousCompositor(now));
  74 }
  75
  76 }  // namespace
  77 }  // namespace cc