sync/engine/build_commit_command_unittest.cc - Issue 11636006: WIP: The Bookmark Position Megapatch

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Issue 11636006: WIP: The Bookmark Position Megapatch (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Various updates, including switch suffix to unique_client_tag style Created 8 years ago

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1 // Copyright (c) 2012 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 "sync/engine/build_commit_command.h"

6 #include "sync/test/engine/syncer_command_test.h"

7

8 namespace syncer {

9

10 // A test fixture for tests exercising ClearDataCommandTest.

11 class BuildCommitCommandTest : public SyncerCommandTest {

12 protected:

13 BuildCommitCommandTest()

14 : batch_commit_set_(ModelSafeRoutingInfo()),

15 command_(batch_commit_set_, &commit_message_) {

16 }

17

18 private:

19 sessions::OrderedCommitSet batch_commit_set_;

20 sync_pb::ClientToServerMessage commit_message_;

21

22 protected:

23 BuildCommitCommand command_;

24

25 private:

26 DISALLOW_COPY_AND_ASSIGN(BuildCommitCommandTest);

27 };

28

29 TEST_F(BuildCommitCommandTest, InterpolatePosition) {

30 EXPECT_LT(BuildCommitCommand::GetFirstPosition(),

31 BuildCommitCommand::GetLastPosition());

32

33 // Dense ranges.

34 EXPECT_EQ(10, command_.InterpolatePosition(10, 10));

35 EXPECT_EQ(11, command_.InterpolatePosition(10, 11));

36 EXPECT_EQ(11, command_.InterpolatePosition(10, 12));

37 EXPECT_EQ(11, command_.InterpolatePosition(10, 13));

38 EXPECT_EQ(11, command_.InterpolatePosition(10, 14));

39 EXPECT_EQ(11, command_.InterpolatePosition(10, 15));

40 EXPECT_EQ(11, command_.InterpolatePosition(10, 16));

41 EXPECT_EQ(11, command_.InterpolatePosition(10, 17));

42 EXPECT_EQ(11, command_.InterpolatePosition(10, 18));

43 EXPECT_EQ(12, command_.InterpolatePosition(10, 19));

44 EXPECT_EQ(12, command_.InterpolatePosition(10, 20));

45

46 // Sparse ranges.

47 EXPECT_EQ(0x32535ffe3dc97LL + BuildCommitCommand::GetGap(),

48 command_.InterpolatePosition(0x32535ffe3dc97LL, 0x61abcd323122cLL));

49 EXPECT_EQ(~0x61abcd323122cLL + BuildCommitCommand::GetGap(),

50 command_.InterpolatePosition(~0x61abcd323122cLL, ~0x32535ffe3dc97LL));

51

52 // Lower limits

53 EXPECT_EQ(BuildCommitCommand::GetFirstPosition() + 0x20,

54 command_.InterpolatePosition(

55 BuildCommitCommand::GetFirstPosition(),

56 BuildCommitCommand::GetFirstPosition() + 0x100));

57 EXPECT_EQ(BuildCommitCommand::GetFirstPosition() + 2,

58 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition() + 1,

59 BuildCommitCommand::GetFirstPosition() + 2));

60 EXPECT_EQ(BuildCommitCommand::GetFirstPosition() +

61 BuildCommitCommand::GetGap()/8 + 1,

62 command_.InterpolatePosition(

63 BuildCommitCommand::GetFirstPosition() + 1,

64 BuildCommitCommand::GetFirstPosition() + 1 +

65 BuildCommitCommand::GetGap()));

66

67 // Extremal cases.

68 EXPECT_EQ(0,

69 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition(),

70 BuildCommitCommand::GetLastPosition()));

71 EXPECT_EQ(BuildCommitCommand::GetFirstPosition() + 1 +

72 BuildCommitCommand::GetGap(),

73 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition() + 1,

74 BuildCommitCommand::GetLastPosition()));

75 EXPECT_EQ(BuildCommitCommand::GetFirstPosition() + 1 +

76 BuildCommitCommand::GetGap(),

77 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition() + 1,

78 BuildCommitCommand::GetLastPosition() - 1));

79 EXPECT_EQ(BuildCommitCommand::GetLastPosition() - 1 -

80 BuildCommitCommand::GetGap(),

81 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition(),

82 BuildCommitCommand::GetLastPosition() - 1));

83

84 // Edge cases around zero.

85 EXPECT_EQ(BuildCommitCommand::GetGap(),

86 command_.InterpolatePosition(0, BuildCommitCommand::GetLastPosition()));

87 EXPECT_EQ(BuildCommitCommand::GetGap() + 1,

88 command_.InterpolatePosition(1, BuildCommitCommand::GetLastPosition()));

89 EXPECT_EQ(BuildCommitCommand::GetGap() - 1,

90 command_.InterpolatePosition(-1, BuildCommitCommand::GetLastPosition()));

91 EXPECT_EQ(-BuildCommitCommand::GetGap(),

92 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition(), 0));

93 EXPECT_EQ(-BuildCommitCommand::GetGap() + 1,

94 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition(), 1));

95 EXPECT_EQ(-BuildCommitCommand::GetGap() - 1,

96 command_.InterpolatePosition(BuildCommitCommand::GetFirstPosition(), -1));

97 EXPECT_EQ(BuildCommitCommand::GetGap() / 8,

98 command_.InterpolatePosition(0, BuildCommitCommand::GetGap()));

99 EXPECT_EQ(BuildCommitCommand::GetGap() / 4,

100 command_.InterpolatePosition(0, BuildCommitCommand::GetGap()*2));

101 EXPECT_EQ(BuildCommitCommand::GetGap(),

102 command_.InterpolatePosition(0, BuildCommitCommand::GetGap()*2 + 1));

103 }

104

105 } // namespace syncer

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