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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/file_path.h"
#include "base/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
// To test Windows quoting behavior, we use a string that has some backslashes
// and quotes.
// Consider the command-line argument: q\"bs1\bs2\\bs3q\\\"
// Here it is with C-style escapes.
static const CommandLine::StringType kTrickyQuoted =
FILE_PATH_LITERAL("q\\\"bs1\\bs2\\\\bs3q\\\\\\\"");
// It should be parsed by Windows as: q"bs1\bs2\\bs3q\"
// Here that is with C-style escapes.
static const CommandLine::StringType kTricky =
FILE_PATH_LITERAL("q\"bs1\\bs2\\\\bs3q\\\"");
TEST(CommandLineTest, CommandLineConstructor) {
const CommandLine::CharType* argv[] = {
FILE_PATH_LITERAL("program"),
FILE_PATH_LITERAL("--foo="),
FILE_PATH_LITERAL("-bAr"),
FILE_PATH_LITERAL("-spaetzel=pierogi"),
FILE_PATH_LITERAL("-baz"),
FILE_PATH_LITERAL("flim"),
FILE_PATH_LITERAL("--other-switches=--dog=canine --cat=feline"),
FILE_PATH_LITERAL("-spaetzle=Crepe"),
FILE_PATH_LITERAL("-=loosevalue"),
FILE_PATH_LITERAL("FLAN"),
FILE_PATH_LITERAL("a"),
FILE_PATH_LITERAL("--input-translation=45--output-rotation"),
FILE_PATH_LITERAL("--"),
FILE_PATH_LITERAL("--"),
FILE_PATH_LITERAL("--not-a-switch"),
FILE_PATH_LITERAL("\"in the time of submarines...\""),
FILE_PATH_LITERAL("unquoted arg-with-space")};
CommandLine cl(arraysize(argv), argv);
EXPECT_FALSE(cl.GetCommandLineString().empty());
EXPECT_FALSE(cl.HasSwitch("cruller"));
EXPECT_FALSE(cl.HasSwitch("flim"));
EXPECT_FALSE(cl.HasSwitch("program"));
EXPECT_FALSE(cl.HasSwitch("dog"));
EXPECT_FALSE(cl.HasSwitch("cat"));
EXPECT_FALSE(cl.HasSwitch("output-rotation"));
EXPECT_FALSE(cl.HasSwitch("not-a-switch"));
EXPECT_FALSE(cl.HasSwitch("--"));
EXPECT_EQ(FilePath(FILE_PATH_LITERAL("program")).value(),
cl.GetProgram().value());
EXPECT_TRUE(cl.HasSwitch("foo"));
EXPECT_TRUE(cl.HasSwitch("bAr"));
EXPECT_TRUE(cl.HasSwitch("baz"));
EXPECT_TRUE(cl.HasSwitch("spaetzle"));
#if defined(OS_WIN)
EXPECT_TRUE(cl.HasSwitch("SPAETZLE"));
#endif
EXPECT_TRUE(cl.HasSwitch("other-switches"));
EXPECT_TRUE(cl.HasSwitch("input-translation"));
EXPECT_EQ("Crepe", cl.GetSwitchValueASCII("spaetzle"));
EXPECT_EQ("", cl.GetSwitchValueASCII("Foo"));
EXPECT_EQ("", cl.GetSwitchValueASCII("bar"));
EXPECT_EQ("", cl.GetSwitchValueASCII("cruller"));
EXPECT_EQ("--dog=canine --cat=feline", cl.GetSwitchValueASCII(
"other-switches"));
EXPECT_EQ("45--output-rotation", cl.GetSwitchValueASCII("input-translation"));
const CommandLine::StringVector& args = cl.GetArgs();
ASSERT_EQ(7U, args.size());
std::vector<CommandLine::StringType>::const_iterator iter = args.begin();
EXPECT_EQ(FILE_PATH_LITERAL("flim"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("FLAN"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("a"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("--"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("--not-a-switch"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("\"in the time of submarines...\""), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("unquoted arg-with-space"), *iter);
++iter;
EXPECT_TRUE(iter == args.end());
}
TEST(CommandLineTest, CommandLineFromString) {
#if defined(OS_WIN)
CommandLine cl = CommandLine::FromString(
L"program --foo= -bAr /Spaetzel=pierogi /Baz flim "
L"--other-switches=\"--dog=canine --cat=feline\" "
L"-spaetzle=Crepe -=loosevalue FLAN "
L"--input-translation=\"45\"--output-rotation "
L"--quotes=" + kTrickyQuoted + L" "
L"-- -- --not-a-switch "
L"\"in the time of submarines...\"");
EXPECT_FALSE(cl.GetCommandLineString().empty());
EXPECT_FALSE(cl.HasSwitch("cruller"));
EXPECT_FALSE(cl.HasSwitch("flim"));
EXPECT_FALSE(cl.HasSwitch("program"));
EXPECT_FALSE(cl.HasSwitch("dog"));
EXPECT_FALSE(cl.HasSwitch("cat"));
EXPECT_FALSE(cl.HasSwitch("output-rotation"));
EXPECT_FALSE(cl.HasSwitch("not-a-switch"));
EXPECT_FALSE(cl.HasSwitch("--"));
EXPECT_EQ(FilePath(FILE_PATH_LITERAL("program")).value(),
cl.GetProgram().value());
EXPECT_TRUE(cl.HasSwitch("foo"));
EXPECT_TRUE(cl.HasSwitch("bar"));
EXPECT_TRUE(cl.HasSwitch("baz"));
EXPECT_TRUE(cl.HasSwitch("spaetzle"));
EXPECT_TRUE(cl.HasSwitch("SPAETZLE"));
EXPECT_TRUE(cl.HasSwitch("other-switches"));
EXPECT_TRUE(cl.HasSwitch("input-translation"));
EXPECT_TRUE(cl.HasSwitch("quotes"));
EXPECT_EQ("Crepe", cl.GetSwitchValueASCII("spaetzle"));
EXPECT_EQ("", cl.GetSwitchValueASCII("Foo"));
EXPECT_EQ("", cl.GetSwitchValueASCII("bar"));
EXPECT_EQ("", cl.GetSwitchValueASCII("cruller"));
EXPECT_EQ("--dog=canine --cat=feline", cl.GetSwitchValueASCII(
"other-switches"));
EXPECT_EQ("45--output-rotation", cl.GetSwitchValueASCII("input-translation"));
EXPECT_EQ(kTricky, cl.GetSwitchValueNative("quotes"));
const CommandLine::StringVector& args = cl.GetArgs();
ASSERT_EQ(5U, args.size());
std::vector<CommandLine::StringType>::const_iterator iter = args.begin();
EXPECT_EQ(FILE_PATH_LITERAL("flim"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("FLAN"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("--"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("--not-a-switch"), *iter);
++iter;
EXPECT_EQ(FILE_PATH_LITERAL("in the time of submarines..."), *iter);
++iter;
EXPECT_TRUE(iter == args.end());
// Check that a generated string produces an equivalent command line.
CommandLine cl_duplicate = CommandLine::FromString(cl.GetCommandLineString());
EXPECT_EQ(cl.GetCommandLineString(), cl_duplicate.GetCommandLineString());
#endif
}
// Tests behavior with an empty input string.
TEST(CommandLineTest, EmptyString) {
#if defined(OS_WIN)
CommandLine cl_from_string = CommandLine::FromString(L"");
EXPECT_TRUE(cl_from_string.GetCommandLineString().empty());
EXPECT_TRUE(cl_from_string.GetProgram().empty());
EXPECT_EQ(1U, cl_from_string.argv().size());
EXPECT_TRUE(cl_from_string.GetArgs().empty());
#endif
CommandLine cl_from_argv(0, NULL);
EXPECT_TRUE(cl_from_argv.GetCommandLineString().empty());
EXPECT_TRUE(cl_from_argv.GetProgram().empty());
EXPECT_EQ(1U, cl_from_argv.argv().size());
EXPECT_TRUE(cl_from_argv.GetArgs().empty());
}
// Test methods for appending switches to a command line.
TEST(CommandLineTest, AppendSwitches) {
std::string switch1 = "switch1";
std::string switch2 = "switch2";
std::string value2 = "value";
std::string switch3 = "switch3";
std::string value3 = "a value with spaces";
std::string switch4 = "switch4";
std::string value4 = "\"a value with quotes\"";
std::string switch5 = "quotes";
CommandLine::StringType value5 = kTricky;
CommandLine cl(FilePath(FILE_PATH_LITERAL("Program")));
cl.AppendSwitch(switch1);
cl.AppendSwitchASCII(switch2, value2);
cl.AppendSwitchASCII(switch3, value3);
cl.AppendSwitchASCII(switch4, value4);
cl.AppendSwitchNative(switch5, value5);
EXPECT_TRUE(cl.HasSwitch(switch1));
EXPECT_TRUE(cl.HasSwitch(switch2));
EXPECT_EQ(value2, cl.GetSwitchValueASCII(switch2));
EXPECT_TRUE(cl.HasSwitch(switch3));
EXPECT_EQ(value3, cl.GetSwitchValueASCII(switch3));
EXPECT_TRUE(cl.HasSwitch(switch4));
EXPECT_EQ(value4, cl.GetSwitchValueASCII(switch4));
EXPECT_TRUE(cl.HasSwitch(switch5));
EXPECT_EQ(value5, cl.GetSwitchValueNative(switch5));
#if defined(OS_WIN)
EXPECT_EQ(L"Program "
L"--switch1 "
L"--switch2=value "
L"--switch3=\"a value with spaces\" "
L"--switch4=\"\\\"a value with quotes\\\"\" "
L"--quotes=\"" + kTrickyQuoted + L"\"",
cl.GetCommandLineString());
#endif
}
TEST(CommandLineTest, AppendSwitchesDashDash) {
const CommandLine::CharType* raw_argv[] = { FILE_PATH_LITERAL("prog"),
FILE_PATH_LITERAL("--"),
FILE_PATH_LITERAL("--arg1") };
CommandLine cl(arraysize(raw_argv), raw_argv);
cl.AppendSwitch("switch1");
cl.AppendSwitchASCII("switch2", "foo");
cl.AppendArg("--arg2");
EXPECT_EQ(FILE_PATH_LITERAL("prog --switch1 --switch2=foo -- --arg1 --arg2"),
cl.GetCommandLineString());
CommandLine::StringVector cl_argv = cl.argv();
EXPECT_EQ(FILE_PATH_LITERAL("prog"), cl_argv[0]);
EXPECT_EQ(FILE_PATH_LITERAL("--switch1"), cl_argv[1]);
EXPECT_EQ(FILE_PATH_LITERAL("--switch2=foo"), cl_argv[2]);
EXPECT_EQ(FILE_PATH_LITERAL("--"), cl_argv[3]);
EXPECT_EQ(FILE_PATH_LITERAL("--arg1"), cl_argv[4]);
EXPECT_EQ(FILE_PATH_LITERAL("--arg2"), cl_argv[5]);
}
// Tests that when AppendArguments is called that the program is set correctly
// on the target CommandLine object and the switches from the source
// CommandLine are added to the target.
TEST(CommandLineTest, AppendArguments) {
CommandLine cl1(FilePath(FILE_PATH_LITERAL("Program")));
cl1.AppendSwitch("switch1");
cl1.AppendSwitchASCII("switch2", "foo");
CommandLine cl2(CommandLine::NO_PROGRAM);
cl2.AppendArguments(cl1, true);
EXPECT_EQ(cl1.GetProgram().value(), cl2.GetProgram().value());
EXPECT_EQ(cl1.GetCommandLineString(), cl2.GetCommandLineString());
CommandLine c1(FilePath(FILE_PATH_LITERAL("Program1")));
c1.AppendSwitch("switch1");
CommandLine c2(FilePath(FILE_PATH_LITERAL("Program2")));
c2.AppendSwitch("switch2");
c1.AppendArguments(c2, true);
EXPECT_EQ(c1.GetProgram().value(), c2.GetProgram().value());
EXPECT_TRUE(c1.HasSwitch("switch1"));
EXPECT_TRUE(c1.HasSwitch("switch2"));
}
#if defined(OS_WIN)
// Make sure that the command line string program paths are quoted as necessary.
// This only makes sense on Windows and the test is basically here to guard
// against regressions.
TEST(CommandLineTest, ProgramQuotes) {
// Check that quotes are not added for paths without spaces.
const FilePath kProgram(L"Program");
CommandLine cl_program(kProgram);
EXPECT_EQ(kProgram.value(), cl_program.GetProgram().value());
EXPECT_EQ(kProgram.value(), cl_program.GetCommandLineString());
const FilePath kProgramPath(L"Program Path");
// Check that quotes are not returned from GetProgram().
CommandLine cl_program_path(kProgramPath);
EXPECT_EQ(kProgramPath.value(), cl_program_path.GetProgram().value());
// Check that quotes are added to command line string paths containing spaces.
CommandLine::StringType cmd_string(cl_program_path.GetCommandLineString());
CommandLine::StringType program_string(cl_program_path.GetProgram().value());
EXPECT_EQ('"', cmd_string[0]);
EXPECT_EQ(program_string, cmd_string.substr(1, program_string.length()));
EXPECT_EQ('"', cmd_string[program_string.length() + 1]);
}
#endif
// Calling Init multiple times should not modify the previous CommandLine.
TEST(CommandLineTest, Init) {
CommandLine* initial = CommandLine::ForCurrentProcess();
EXPECT_FALSE(CommandLine::Init(0, NULL));
CommandLine* current = CommandLine::ForCurrentProcess();
EXPECT_EQ(initial, current);
}
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