trunk/src/tools/gn/filesystem_utils_unittest.cc - Issue 21084010: Revert 214254 "Add initial prototype for the GN meta-buildsystem."

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Issue 21084010: Revert 214254 "Add initial prototype for the GN meta-buildsystem." (Closed) Base URL: svn://svn.chromium.org/chrome/

Patch Set: Created 7 years, 4 months ago

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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 "base/strings/string_util.h"

6 #include "base/strings/utf_string_conversions.h"

7 #include "build/build_config.h"

8 #include "testing/gtest/include/gtest/gtest.h"

9 #include "tools/gn/filesystem_utils.h"

10

11 TEST(FilesystemUtils, FileExtensionOffset) {

12 EXPECT_EQ(std::string::npos, FindExtensionOffset(""));

13 EXPECT_EQ(std::string::npos, FindExtensionOffset("foo/bar/baz"));

14 EXPECT_EQ(4u, FindExtensionOffset("foo."));

15 EXPECT_EQ(4u, FindExtensionOffset("f.o.bar"));

16 EXPECT_EQ(std::string::npos, FindExtensionOffset("foo.bar/"));

17 EXPECT_EQ(std::string::npos, FindExtensionOffset("foo.bar/baz"));

18 }

19

20 TEST(FilesystemUtils, FindExtension) {

21 std::string input;

22 EXPECT_EQ("", FindExtension(&input).as_string());

23 input = "foo/bar/baz";

24 EXPECT_EQ("", FindExtension(&input).as_string());

25 input = "foo.";

26 EXPECT_EQ("", FindExtension(&input).as_string());

27 input = "f.o.bar";

28 EXPECT_EQ("bar", FindExtension(&input).as_string());

29 input = "foo.bar/";

30 EXPECT_EQ("", FindExtension(&input).as_string());

31 input = "foo.bar/baz";

32 EXPECT_EQ("", FindExtension(&input).as_string());

33 }

34

35 TEST(FilesystemUtils, FindFilenameOffset) {

36 EXPECT_EQ(0u, FindFilenameOffset(""));

37 EXPECT_EQ(0u, FindFilenameOffset("foo"));

38 EXPECT_EQ(4u, FindFilenameOffset("foo/"));

39 EXPECT_EQ(4u, FindFilenameOffset("foo/bar"));

40 }

41

42 TEST(FilesystemUtils, RemoveFilename) {

43 std::string s;

44

45 RemoveFilename(&s);

46 EXPECT_STREQ("", s.c_str());

47

48 s = "foo";

49 RemoveFilename(&s);

50 EXPECT_STREQ("", s.c_str());

51

52 s = "/";

53 RemoveFilename(&s);

54 EXPECT_STREQ("/", s.c_str());

55

56 s = "foo/bar";

57 RemoveFilename(&s);

58 EXPECT_STREQ("foo/", s.c_str());

59

60 s = "foo/bar/baz.cc";

61 RemoveFilename(&s);

62 EXPECT_STREQ("foo/bar/", s.c_str());

63 }

64

65 TEST(FilesystemUtils, FindDir) {

66 std::string input;

67 EXPECT_EQ("", FindDir(&input));

68 input = "/";

69 EXPECT_EQ("/", FindDir(&input));

70 input = "foo/";

71 EXPECT_EQ("foo/", FindDir(&input));

72 input = "foo/bar/baz";

73 EXPECT_EQ("foo/bar/", FindDir(&input));

74 }

75

76 TEST(FilesystemUtils, InvertDir) {

77 EXPECT_TRUE(InvertDir(SourceDir()) == "");

78 EXPECT_TRUE(InvertDir(SourceDir("/")) == "");

79 EXPECT_TRUE(InvertDir(SourceDir("//")) == "");

80

81 EXPECT_TRUE(InvertDir(SourceDir("//foo/bar")) == "../../");

82 EXPECT_TRUE(InvertDir(SourceDir("/foo/bar/")) == "../../");

83 }

84

85 TEST(FilesystemUtils, NormalizePath) {

86 std::string input;

87

88 NormalizePath(&input);

89 EXPECT_EQ("", input);

90

91 input = "foo/bar.txt";

92 NormalizePath(&input);

93 EXPECT_EQ("foo/bar.txt", input);

94

95 input = ".";

96 NormalizePath(&input);

97 EXPECT_EQ("", input);

98

99 input = "..";

100 NormalizePath(&input);

101 EXPECT_EQ("..", input);

102

103 input = "foo//bar";

104 NormalizePath(&input);

105 EXPECT_EQ("foo/bar", input);

106

107 input = "//foo";

108 NormalizePath(&input);

109 EXPECT_EQ("//foo", input);

110

111 input = "foo/..//bar";

112 NormalizePath(&input);

113 EXPECT_EQ("bar", input);

114

115 input = "foo/../../bar";

116 NormalizePath(&input);

117 EXPECT_EQ("../bar", input);

118

119 input = "/../foo"; // Don't go aboe the root dir.

120 NormalizePath(&input);

121 EXPECT_EQ("/foo", input);

122

123 input = "//../foo"; // Don't go aboe the root dir.

124 NormalizePath(&input);

125 EXPECT_EQ("//foo", input);

126

127 input = "../foo";

128 NormalizePath(&input);

129 EXPECT_EQ("../foo", input);

130

131 input = "..";

132 NormalizePath(&input);

133 EXPECT_EQ("..", input);

134

135 input = "./././.";

136 NormalizePath(&input);

137 EXPECT_EQ("", input);

138

139 input = "../../..";

140 NormalizePath(&input);

141 EXPECT_EQ("../../..", input);

142

143 input = "../";

144 NormalizePath(&input);

145 EXPECT_EQ("../", input);

146 }

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