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//===-- ArgsTest.cpp ------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lldb/Utility/Args.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/StringList.h"
#include <limits>
#include <sstream>
using namespace lldb_private;
TEST(ArgsTest, TestSingleArg) {
Args args;
args.SetCommandString("arg");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg");
}
TEST(ArgsTest, TestSingleQuotedArgWithSpace) {
Args args;
args.SetCommandString("\"arg with space\"");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg with space");
}
TEST(ArgsTest, TestSingleArgWithQuotedSpace) {
Args args;
args.SetCommandString("arg\\ with\\ space");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg with space");
}
TEST(ArgsTest, TestTrailingBackslash) {
Args args;
args.SetCommandString("arg\\");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg\\");
}
TEST(ArgsTest, TestQuotedTrailingBackslash) {
Args args;
args.SetCommandString("\"arg\\");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg\\");
}
TEST(ArgsTest, TestUnknownEscape) {
Args args;
args.SetCommandString("arg\\y");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg\\y");
}
TEST(ArgsTest, TestQuotedUnknownEscape) {
Args args;
args.SetCommandString("\"arg\\y");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg\\y");
}
TEST(ArgsTest, TestMultipleArgs) {
Args args;
args.SetCommandString("this has multiple args");
EXPECT_EQ(4u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "this");
EXPECT_STREQ(args.GetArgumentAtIndex(1), "has");
EXPECT_STREQ(args.GetArgumentAtIndex(2), "multiple");
EXPECT_STREQ(args.GetArgumentAtIndex(3), "args");
}
TEST(ArgsTest, TestOverwriteArgs) {
Args args;
args.SetCommandString("this has multiple args");
EXPECT_EQ(4u, args.GetArgumentCount());
args.SetCommandString("arg");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "arg");
}
TEST(ArgsTest, TestAppendArg) {
Args args;
args.SetCommandString("first_arg");
EXPECT_EQ(1u, args.GetArgumentCount());
args.AppendArgument(llvm::StringRef("second_arg"));
EXPECT_EQ(2u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "first_arg");
EXPECT_STREQ(args.GetArgumentAtIndex(1), "second_arg");
}
TEST(ArgsTest, TestInsertArg) {
Args args;
args.AppendArgument("1");
args.AppendArgument("2");
args.AppendArgument("3");
args.InsertArgumentAtIndex(1, "1.5");
args.InsertArgumentAtIndex(4, "3.5");
ASSERT_EQ(5u, args.GetArgumentCount());
EXPECT_STREQ("1", args.GetArgumentAtIndex(0));
EXPECT_STREQ("1.5", args.GetArgumentAtIndex(1));
EXPECT_STREQ("2", args.GetArgumentAtIndex(2));
EXPECT_STREQ("3", args.GetArgumentAtIndex(3));
EXPECT_STREQ("3.5", args.GetArgumentAtIndex(4));
}
TEST(ArgsTest, TestArgv) {
Args args;
EXPECT_EQ(nullptr, args.GetArgumentVector());
args.AppendArgument("1");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[1]);
args.AppendArgument("2");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[2]);
args.AppendArgument("3");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_NE(nullptr, args.GetArgumentVector()[2]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[3]);
args.InsertArgumentAtIndex(1, "1.5");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_NE(nullptr, args.GetArgumentVector()[2]);
EXPECT_NE(nullptr, args.GetArgumentVector()[3]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[4]);
args.InsertArgumentAtIndex(4, "3.5");
EXPECT_NE(nullptr, args.GetArgumentVector()[0]);
EXPECT_NE(nullptr, args.GetArgumentVector()[1]);
EXPECT_NE(nullptr, args.GetArgumentVector()[2]);
EXPECT_NE(nullptr, args.GetArgumentVector()[3]);
EXPECT_NE(nullptr, args.GetArgumentVector()[4]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[5]);
}
TEST(ArgsTest, StringListConstructor) {
StringList list;
list << "foo"
<< "bar"
<< "baz";
Args args(list);
ASSERT_EQ(3u, args.GetArgumentCount());
EXPECT_EQ("foo", args[0].ref());
EXPECT_EQ("bar", args[1].ref());
EXPECT_EQ("baz", args[2].ref());
}
TEST(ArgsTest, GetQuotedCommandString) {
Args args;
const char *str = "process launch -o stdout.txt -- \"a b c\"";
args.SetCommandString(str);
std::string stdstr;
ASSERT_TRUE(args.GetQuotedCommandString(stdstr));
EXPECT_EQ(str, stdstr);
}
TEST(ArgsTest, BareSingleQuote) {
Args args;
args.SetCommandString("a\\'b");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ("a'b", args.GetArgumentAtIndex(0));
}
TEST(ArgsTest, DoubleQuotedItem) {
Args args;
args.SetCommandString("\"a b c\"");
EXPECT_EQ(1u, args.GetArgumentCount());
EXPECT_STREQ("a b c", args.GetArgumentAtIndex(0));
}
TEST(ArgsTest, AppendArguments) {
Args args;
const char *argv[] = {"1", "2", nullptr};
const char *argv2[] = {"3", "4", nullptr};
args.AppendArguments(argv);
ASSERT_EQ(2u, args.GetArgumentCount());
EXPECT_STREQ("1", args.GetArgumentVector()[0]);
EXPECT_STREQ("2", args.GetArgumentVector()[1]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[2]);
EXPECT_STREQ("1", args.GetArgumentAtIndex(0));
EXPECT_STREQ("2", args.GetArgumentAtIndex(1));
args.AppendArguments(argv2);
ASSERT_EQ(4u, args.GetArgumentCount());
EXPECT_STREQ("1", args.GetArgumentVector()[0]);
EXPECT_STREQ("2", args.GetArgumentVector()[1]);
EXPECT_STREQ("3", args.GetArgumentVector()[2]);
EXPECT_STREQ("4", args.GetArgumentVector()[3]);
EXPECT_EQ(nullptr, args.GetArgumentVector()[4]);
EXPECT_STREQ("1", args.GetArgumentAtIndex(0));
EXPECT_STREQ("2", args.GetArgumentAtIndex(1));
EXPECT_STREQ("3", args.GetArgumentAtIndex(2));
EXPECT_STREQ("4", args.GetArgumentAtIndex(3));
}
TEST(ArgsTest, GetArgumentArrayRef) {
Args args("foo bar");
auto ref = args.GetArgumentArrayRef();
ASSERT_EQ(2u, ref.size());
EXPECT_STREQ("foo", ref[0]);
EXPECT_STREQ("bar", ref[1]);
}
TEST(ArgsTest, EscapeLLDBCommandArgument) {
const std::string foo = "foo'";
EXPECT_EQ("foo\\'", Args::EscapeLLDBCommandArgument(foo, '\0'));
EXPECT_EQ("foo'", Args::EscapeLLDBCommandArgument(foo, '\''));
EXPECT_EQ("foo'", Args::EscapeLLDBCommandArgument(foo, '`'));
EXPECT_EQ("foo'", Args::EscapeLLDBCommandArgument(foo, '"'));
const std::string bar = "bar\"";
EXPECT_EQ("bar\\\"", Args::EscapeLLDBCommandArgument(bar, '\0'));
EXPECT_EQ("bar\"", Args::EscapeLLDBCommandArgument(bar, '\''));
EXPECT_EQ("bar\"", Args::EscapeLLDBCommandArgument(bar, '`'));
EXPECT_EQ("bar\\\"", Args::EscapeLLDBCommandArgument(bar, '"'));
const std::string baz = "baz`";
EXPECT_EQ("baz\\`", Args::EscapeLLDBCommandArgument(baz, '\0'));
EXPECT_EQ("baz`", Args::EscapeLLDBCommandArgument(baz, '\''));
EXPECT_EQ("baz`", Args::EscapeLLDBCommandArgument(baz, '`'));
EXPECT_EQ("baz\\`", Args::EscapeLLDBCommandArgument(baz, '"'));
const std::string quux = "quux\t";
EXPECT_EQ("quux\\\t", Args::EscapeLLDBCommandArgument(quux, '\0'));
EXPECT_EQ("quux\t", Args::EscapeLLDBCommandArgument(quux, '\''));
EXPECT_EQ("quux\t", Args::EscapeLLDBCommandArgument(quux, '`'));
EXPECT_EQ("quux\t", Args::EscapeLLDBCommandArgument(quux, '"'));
}
TEST(ArgsTest, ReplaceArgumentAtIndexShort) {
Args args;
args.SetCommandString("foo ba b");
args.ReplaceArgumentAtIndex(0, "f");
EXPECT_EQ(3u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "f");
}
TEST(ArgsTest, ReplaceArgumentAtIndexEqual) {
Args args;
args.SetCommandString("foo ba b");
args.ReplaceArgumentAtIndex(0, "bar");
EXPECT_EQ(3u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "bar");
}
TEST(ArgsTest, ReplaceArgumentAtIndexLonger) {
Args args;
args.SetCommandString("foo ba b");
args.ReplaceArgumentAtIndex(0, "baar");
EXPECT_EQ(3u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(0), "baar");
}
TEST(ArgsTest, ReplaceArgumentAtIndexOutOfRange) {
Args args;
args.SetCommandString("foo ba b");
args.ReplaceArgumentAtIndex(3, "baar");
EXPECT_EQ(3u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(2), "b");
}
TEST(ArgsTest, ReplaceArgumentAtIndexFarOutOfRange) {
Args args;
args.SetCommandString("foo ba b");
args.ReplaceArgumentAtIndex(4, "baar");
EXPECT_EQ(3u, args.GetArgumentCount());
EXPECT_STREQ(args.GetArgumentAtIndex(2), "b");
}
TEST(ArgsTest, GetShellSafeArgument) {
// Try escaping with bash at start/middle/end of the argument.
FileSpec bash("/bin/bash", FileSpec::Style::posix);
EXPECT_EQ(Args::GetShellSafeArgument(bash, "\"b"), "\\\"b");
EXPECT_EQ(Args::GetShellSafeArgument(bash, "a\""), "a\\\"");
EXPECT_EQ(Args::GetShellSafeArgument(bash, "a\"b"), "a\\\"b");
FileSpec zsh("/bin/zsh", FileSpec::Style::posix);
EXPECT_EQ(Args::GetShellSafeArgument(zsh, R"('";()<>&|\)"),
R"(\'\"\;\(\)\<\>\&\|\\)");
// Normal characters and expressions that shouldn't be escaped.
EXPECT_EQ(Args::GetShellSafeArgument(zsh, "aA$1*"), "aA$1*");
// Test escaping bash special characters.
EXPECT_EQ(Args::GetShellSafeArgument(bash, R"( '"<>()&;)"),
R"(\ \'\"\<\>\(\)\&\;)");
// Normal characters and globbing expressions that shouldn't be escaped.
EXPECT_EQ(Args::GetShellSafeArgument(bash, "aA$1*"), "aA$1*");
// Test escaping tcsh special characters.
FileSpec tcsh("/bin/tcsh", FileSpec::Style::posix);
EXPECT_EQ(Args::GetShellSafeArgument(tcsh, R"( '"<>()&;)"),
R"(\ \'\"\<\>\(\)\&\;)");
// Normal characters and globbing expressions that shouldn't be escaped.
EXPECT_EQ(Args::GetShellSafeArgument(tcsh, "aA1*"), "aA1*");
// Test escaping sh special characters.
FileSpec sh("/bin/sh", FileSpec::Style::posix);
EXPECT_EQ(Args::GetShellSafeArgument(sh, R"( '"<>()&;)"),
R"(\ \'\"\<\>\(\)\&\;)");
// Normal characters and globbing expressions that shouldn't be escaped.
EXPECT_EQ(Args::GetShellSafeArgument(sh, "aA$1*"), "aA$1*");
// Test escaping fish special characters.
FileSpec fish("/bin/fish", FileSpec::Style::posix);
EXPECT_EQ(Args::GetShellSafeArgument(fish, R"( '"<>()&\|;)"),
R"(\ \'\"\<\>\(\)\&\\\|\;)");
// Normal characters and expressions that shouldn't be escaped.
EXPECT_EQ(Args::GetShellSafeArgument(fish, "aA$1*"), "aA$1*");
// Try escaping with an unknown shell.
FileSpec unknown_shell("/bin/unknown_shell", FileSpec::Style::posix);
EXPECT_EQ(Args::GetShellSafeArgument(unknown_shell, "a'b"), "a\\'b");
EXPECT_EQ(Args::GetShellSafeArgument(unknown_shell, "a\"b"), "a\\\"b");
}
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