1 // Copyright (c) 2010 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 #include <vector> 7 8 #include "base/basictypes.h" 9 #include "base/command_line.h" 10 #include "base/file_path.h" 11 #include "base/utf_string_conversions.h" 12 #include "testing/gtest/include/gtest/gtest.h" 13 14 // To test Windows quoting behavior, we use a string that has some backslashes 15 // and quotes. 16 // Consider the command-line argument: q\"bs1\bs2\\bs3q\\\" 17 // Here it is with C-style escapes. 18 #define TRICKY_QUOTED L"q\\\"bs1\\bs2\\\\bs3q\\\\\\\"" 19 // It should be parsed by Windows as: q"bs1\bs2\\bs3q\" 20 // Here that is with C-style escapes. 21 #define TRICKY L"q\"bs1\\bs2\\\\bs3q\\\"" 22 23 TEST(CommandLineTest, CommandLineConstructor) { 24 #if defined(OS_WIN) 25 CommandLine cl = CommandLine::FromString( 26 L"program --foo= -bAr /Spaetzel=pierogi /Baz flim " 27 L"--other-switches=\"--dog=canine --cat=feline\" " 28 L"-spaetzle=Crepe -=loosevalue flan " 29 L"--input-translation=\"45\"--output-rotation " 30 L"--quotes=" TRICKY_QUOTED L" " 31 L"-- -- --not-a-switch " 32 L"\"in the time of submarines...\""); 33 EXPECT_FALSE(cl.command_line_string().empty()); 34 #elif defined(OS_POSIX) 35 const char* argv[] = {"program", "--foo=", "-bar", 36 "-spaetzel=pierogi", "-baz", "flim", 37 "--other-switches=--dog=canine --cat=feline", 38 "-spaetzle=Crepe", "-=loosevalue", "flan", 39 "--input-translation=45--output-rotation", 40 "--", "--", "--not-a-switch", 41 "in the time of submarines..."}; 42 CommandLine cl(arraysize(argv), argv); 43 #endif 44 EXPECT_FALSE(cl.HasSwitch("cruller")); 45 EXPECT_FALSE(cl.HasSwitch("flim")); 46 EXPECT_FALSE(cl.HasSwitch("program")); 47 EXPECT_FALSE(cl.HasSwitch("dog")); 48 EXPECT_FALSE(cl.HasSwitch("cat")); 49 EXPECT_FALSE(cl.HasSwitch("output-rotation")); 50 EXPECT_FALSE(cl.HasSwitch("not-a-switch")); 51 EXPECT_FALSE(cl.HasSwitch("--")); 52 53 EXPECT_EQ(FilePath(FILE_PATH_LITERAL("program")).value(), 54 cl.GetProgram().value()); 55 56 EXPECT_TRUE(cl.HasSwitch("foo")); 57 EXPECT_TRUE(cl.HasSwitch("bar")); 58 EXPECT_TRUE(cl.HasSwitch("baz")); 59 EXPECT_TRUE(cl.HasSwitch("spaetzle")); 60 #if defined(OS_WIN) 61 EXPECT_TRUE(cl.HasSwitch("SPAETZLE")); 62 #endif 63 EXPECT_TRUE(cl.HasSwitch("other-switches")); 64 EXPECT_TRUE(cl.HasSwitch("input-translation")); 65 #if defined(OS_WIN) 66 EXPECT_TRUE(cl.HasSwitch("quotes")); 67 #endif 68 69 EXPECT_EQ("Crepe", cl.GetSwitchValueASCII("spaetzle")); 70 EXPECT_EQ("", cl.GetSwitchValueASCII("Foo")); 71 EXPECT_EQ("", cl.GetSwitchValueASCII("bar")); 72 EXPECT_EQ("", cl.GetSwitchValueASCII("cruller")); 73 EXPECT_EQ("--dog=canine --cat=feline", cl.GetSwitchValueASCII( 74 "other-switches")); 75 EXPECT_EQ("45--output-rotation", cl.GetSwitchValueASCII("input-translation")); 76 #if defined(OS_WIN) 77 EXPECT_EQ(TRICKY, cl.GetSwitchValueNative("quotes")); 78 #endif 79 80 const std::vector<CommandLine::StringType>& args = cl.args(); 81 ASSERT_EQ(5U, args.size()); 82 83 std::vector<CommandLine::StringType>::const_iterator iter = args.begin(); 84 EXPECT_EQ(FILE_PATH_LITERAL("flim"), *iter); 85 ++iter; 86 EXPECT_EQ(FILE_PATH_LITERAL("flan"), *iter); 87 ++iter; 88 EXPECT_EQ(FILE_PATH_LITERAL("--"), *iter); 89 ++iter; 90 EXPECT_EQ(FILE_PATH_LITERAL("--not-a-switch"), *iter); 91 ++iter; 92 EXPECT_EQ(FILE_PATH_LITERAL("in the time of submarines..."), *iter); 93 ++iter; 94 EXPECT_TRUE(iter == args.end()); 95 #if defined(OS_POSIX) 96 const std::vector<std::string>& argvec = cl.argv(); 97 98 for (size_t i = 0; i < argvec.size(); i++) { 99 EXPECT_EQ(0, argvec[i].compare(argv[i])); 100 } 101 #endif 102 } 103 104 // Tests behavior with an empty input string. 105 TEST(CommandLineTest, EmptyString) { 106 #if defined(OS_WIN) 107 CommandLine cl = CommandLine::FromString(L""); 108 EXPECT_TRUE(cl.command_line_string().empty()); 109 EXPECT_TRUE(cl.GetProgram().empty()); 110 #elif defined(OS_POSIX) 111 CommandLine cl(0, NULL); 112 EXPECT_TRUE(cl.argv().empty()); 113 #endif 114 EXPECT_TRUE(cl.args().empty()); 115 } 116 117 // Test methods for appending switches to a command line. 118 TEST(CommandLineTest, AppendSwitches) { 119 std::string switch1 = "switch1"; 120 std::string switch2 = "switch2"; 121 std::string value = "value"; 122 std::string switch3 = "switch3"; 123 std::string value3 = "a value with spaces"; 124 std::string switch4 = "switch4"; 125 std::string value4 = "\"a value with quotes\""; 126 std::string switch5 = "quotes"; 127 std::string value5 = WideToUTF8(TRICKY); 128 129 CommandLine cl(FilePath(FILE_PATH_LITERAL("Program"))); 130 131 cl.AppendSwitch(switch1); 132 cl.AppendSwitchASCII(switch2, value); 133 cl.AppendSwitchASCII(switch3, value3); 134 cl.AppendSwitchASCII(switch4, value4); 135 cl.AppendSwitchASCII(switch5, value5); 136 137 EXPECT_TRUE(cl.HasSwitch(switch1)); 138 EXPECT_TRUE(cl.HasSwitch(switch2)); 139 EXPECT_EQ(value, cl.GetSwitchValueASCII(switch2)); 140 EXPECT_TRUE(cl.HasSwitch(switch3)); 141 EXPECT_EQ(value3, cl.GetSwitchValueASCII(switch3)); 142 EXPECT_TRUE(cl.HasSwitch(switch4)); 143 EXPECT_EQ(value4, cl.GetSwitchValueASCII(switch4)); 144 EXPECT_TRUE(cl.HasSwitch(switch5)); 145 EXPECT_EQ(value5, cl.GetSwitchValueASCII(switch5)); 146 147 #if defined(OS_WIN) 148 EXPECT_EQ(L"\"Program\" " 149 L"--switch1 " 150 L"--switch2=value " 151 L"--switch3=\"a value with spaces\" " 152 L"--switch4=\"\\\"a value with quotes\\\"\" " 153 L"--quotes=\"" TRICKY_QUOTED L"\"", 154 cl.command_line_string()); 155 #endif 156 } 157 158 // Tests that when AppendArguments is called that the program is set correctly 159 // on the target CommandLine object and the switches from the source 160 // CommandLine are added to the target. 161 TEST(CommandLineTest, AppendArguments) { 162 CommandLine cl1(FilePath(FILE_PATH_LITERAL("Program"))); 163 cl1.AppendSwitch("switch1"); 164 cl1.AppendSwitchASCII("switch2", "foo"); 165 166 CommandLine cl2(CommandLine::NO_PROGRAM); 167 cl2.AppendArguments(cl1, true); 168 EXPECT_EQ(cl1.GetProgram().value(), cl2.GetProgram().value()); 169 EXPECT_EQ(cl1.command_line_string(), cl2.command_line_string()); 170 171 CommandLine c1(FilePath(FILE_PATH_LITERAL("Program1"))); 172 c1.AppendSwitch("switch1"); 173 CommandLine c2(FilePath(FILE_PATH_LITERAL("Program2"))); 174 c2.AppendSwitch("switch2"); 175 176 c1.AppendArguments(c2, true); 177 EXPECT_EQ(c1.GetProgram().value(), c2.GetProgram().value()); 178 EXPECT_TRUE(c1.HasSwitch("switch1")); 179 EXPECT_TRUE(c1.HasSwitch("switch2")); 180 } 181 182 #if defined(OS_WIN) 183 // Make sure that the program part of a command line is always quoted. 184 // This only makes sense on Windows and the test is basically here to guard 185 // against regressions. 186 TEST(CommandLineTest, ProgramQuotes) { 187 const FilePath kProgram(L"Program"); 188 189 // Check that quotes are not returned from GetProgram(). 190 CommandLine cl(kProgram); 191 EXPECT_EQ(kProgram.value(), cl.GetProgram().value()); 192 193 // Verify that in the command line string, the program part is always quoted. 194 CommandLine::StringType cmd(cl.command_line_string()); 195 CommandLine::StringType program(cl.GetProgram().value()); 196 EXPECT_EQ('"', cmd[0]); 197 EXPECT_EQ(program, cmd.substr(1, program.length())); 198 EXPECT_EQ('"', cmd[program.length() + 1]); 199 } 200 #endif 201