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
23TEST(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.
105TEST(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.
118TEST(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.
161TEST(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.
186TEST(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