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llvm-project/llvm/unittests/Support/CommandLineTest.cpp

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//===- llvm/unittest/Support/CommandLineTest.cpp - CommandLine tests ------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/CommandLine.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Config/config.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/StringSaver.h"
#include "gtest/gtest.h"
#include <fstream>
#include <stdlib.h>
#include <string>
using namespace llvm;
namespace {
class TempEnvVar {
public:
TempEnvVar(const char *name, const char *value)
: name(name) {
const char *old_value = getenv(name);
EXPECT_EQ(nullptr, old_value) << old_value;
#if HAVE_SETENV
setenv(name, value, true);
#else
# define SKIP_ENVIRONMENT_TESTS
#endif
}
~TempEnvVar() {
#if HAVE_SETENV
// Assume setenv and unsetenv come together.
unsetenv(name);
#else
(void)name; // Suppress -Wunused-private-field.
#endif
}
private:
const char *const name;
};
template <typename T>
class StackOption : public cl::opt<T> {
typedef cl::opt<T> Base;
public:
// One option...
template<class M0t>
explicit StackOption(const M0t &M0) : Base(M0) {}
// Two options...
template<class M0t, class M1t>
StackOption(const M0t &M0, const M1t &M1) : Base(M0, M1) {}
// Three options...
template<class M0t, class M1t, class M2t>
StackOption(const M0t &M0, const M1t &M1, const M2t &M2) : Base(M0, M1, M2) {}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
StackOption(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
: Base(M0, M1, M2, M3) {}
~StackOption() override { this->removeArgument(); }
template <class DT> StackOption<T> &operator=(const DT &V) {
this->setValue(V);
return *this;
}
};
class StackSubCommand : public cl::SubCommand {
public:
StackSubCommand(StringRef Name,
StringRef Description = StringRef())
: SubCommand(Name, Description) {}
StackSubCommand() : SubCommand() {}
~StackSubCommand() { unregisterSubCommand(); }
};
cl::OptionCategory TestCategory("Test Options", "Description");
TEST(CommandLineTest, ModifyExisitingOption) {
StackOption<int> TestOption("test-option", cl::desc("old description"));
const char Description[] = "New description";
const char ArgString[] = "new-test-option";
const char ValueString[] = "Integer";
StringMap<cl::Option *> &Map =
cl::getRegisteredOptions(*cl::TopLevelSubCommand);
ASSERT_TRUE(Map.count("test-option") == 1) <<
"Could not find option in map.";
cl::Option *Retrieved = Map["test-option"];
ASSERT_EQ(&TestOption, Retrieved) << "Retrieved wrong option.";
ASSERT_EQ(&cl::GeneralCategory,Retrieved->Category) <<
"Incorrect default option category.";
Retrieved->setCategory(TestCategory);
ASSERT_EQ(&TestCategory,Retrieved->Category) <<
"Failed to modify option's option category.";
Retrieved->setDescription(Description);
ASSERT_STREQ(Retrieved->HelpStr.data(), Description)
<< "Changing option description failed.";
Retrieved->setArgStr(ArgString);
ASSERT_STREQ(ArgString, Retrieved->ArgStr.data())
<< "Failed to modify option's Argument string.";
Retrieved->setValueStr(ValueString);
ASSERT_STREQ(Retrieved->ValueStr.data(), ValueString)
<< "Failed to modify option's Value string.";
Retrieved->setHiddenFlag(cl::Hidden);
ASSERT_EQ(cl::Hidden, TestOption.getOptionHiddenFlag()) <<
"Failed to modify option's hidden flag.";
}
#ifndef SKIP_ENVIRONMENT_TESTS
const char test_env_var[] = "LLVM_TEST_COMMAND_LINE_FLAGS";
cl::opt<std::string> EnvironmentTestOption("env-test-opt");
TEST(CommandLineTest, ParseEnvironment) {
TempEnvVar TEV(test_env_var, "-env-test-opt=hello");
EXPECT_EQ("", EnvironmentTestOption);
cl::ParseEnvironmentOptions("CommandLineTest", test_env_var);
EXPECT_EQ("hello", EnvironmentTestOption);
}
// This test used to make valgrind complain
// ("Conditional jump or move depends on uninitialised value(s)")
//
// Warning: Do not run any tests after this one that try to gain access to
// registered command line options because this will likely result in a
// SEGFAULT. This can occur because the cl::opt in the test below is declared
// on the stack which will be destroyed after the test completes but the
// command line system will still hold a pointer to a deallocated cl::Option.
TEST(CommandLineTest, ParseEnvironmentToLocalVar) {
// Put cl::opt on stack to check for proper initialization of fields.
StackOption<std::string> EnvironmentTestOptionLocal("env-test-opt-local");
TempEnvVar TEV(test_env_var, "-env-test-opt-local=hello-local");
EXPECT_EQ("", EnvironmentTestOptionLocal);
cl::ParseEnvironmentOptions("CommandLineTest", test_env_var);
EXPECT_EQ("hello-local", EnvironmentTestOptionLocal);
}
#endif // SKIP_ENVIRONMENT_TESTS
TEST(CommandLineTest, UseOptionCategory) {
StackOption<int> TestOption2("test-option", cl::cat(TestCategory));
ASSERT_EQ(&TestCategory,TestOption2.Category) << "Failed to assign Option "
"Category.";
}
typedef void ParserFunction(StringRef Source, StringSaver &Saver,
SmallVectorImpl<const char *> &NewArgv,
bool MarkEOLs);
void testCommandLineTokenizer(ParserFunction *parse, StringRef Input,
const char *const Output[], size_t OutputSize) {
SmallVector<const char *, 0> Actual;
BumpPtrAllocator A;
StringSaver Saver(A);
parse(Input, Saver, Actual, /*MarkEOLs=*/false);
EXPECT_EQ(OutputSize, Actual.size());
for (unsigned I = 0, E = Actual.size(); I != E; ++I) {
if (I < OutputSize) {
EXPECT_STREQ(Output[I], Actual[I]);
}
}
}
TEST(CommandLineTest, TokenizeGNUCommandLine) {
const char Input[] =
"foo\\ bar \"foo bar\" \'foo bar\' 'foo\\\\bar' -DFOO=bar\\(\\) "
"foo\"bar\"baz C:\\\\src\\\\foo.cpp \"C:\\src\\foo.cpp\"";
const char *const Output[] = {
"foo bar", "foo bar", "foo bar", "foo\\bar",
"-DFOO=bar()", "foobarbaz", "C:\\src\\foo.cpp", "C:srcfoo.cpp"};
testCommandLineTokenizer(cl::TokenizeGNUCommandLine, Input, Output,
array_lengthof(Output));
}
TEST(CommandLineTest, TokenizeWindowsCommandLine) {
const char Input[] = "a\\b c\\\\d e\\\\\"f g\" h\\\"i j\\\\\\\"k \"lmn\" o pqr "
"\"st \\\"u\" \\v";
const char *const Output[] = { "a\\b", "c\\\\d", "e\\f g", "h\"i", "j\\\"k",
"lmn", "o", "pqr", "st \"u", "\\v" };
testCommandLineTokenizer(cl::TokenizeWindowsCommandLine, Input, Output,
array_lengthof(Output));
}
TEST(CommandLineTest, AliasesWithArguments) {
static const size_t ARGC = 3;
const char *const Inputs[][ARGC] = {
{ "-tool", "-actual=x", "-extra" },
{ "-tool", "-actual", "x" },
{ "-tool", "-alias=x", "-extra" },
{ "-tool", "-alias", "x" }
};
for (size_t i = 0, e = array_lengthof(Inputs); i < e; ++i) {
StackOption<std::string> Actual("actual");
StackOption<bool> Extra("extra");
StackOption<std::string> Input(cl::Positional);
cl::alias Alias("alias", llvm::cl::aliasopt(Actual));
cl::ParseCommandLineOptions(ARGC, Inputs[i]);
EXPECT_EQ("x", Actual);
EXPECT_EQ(0, Input.getNumOccurrences());
Alias.removeArgument();
}
}
void testAliasRequired(int argc, const char *const *argv) {
StackOption<std::string> Option("option", cl::Required);
cl::alias Alias("o", llvm::cl::aliasopt(Option));
cl::ParseCommandLineOptions(argc, argv);
EXPECT_EQ("x", Option);
EXPECT_EQ(1, Option.getNumOccurrences());
Alias.removeArgument();
}
TEST(CommandLineTest, AliasRequired) {
const char *opts1[] = { "-tool", "-option=x" };
const char *opts2[] = { "-tool", "-o", "x" };
testAliasRequired(array_lengthof(opts1), opts1);
testAliasRequired(array_lengthof(opts2), opts2);
}
TEST(CommandLineTest, HideUnrelatedOptions) {
StackOption<int> TestOption1("hide-option-1");
StackOption<int> TestOption2("hide-option-2", cl::cat(TestCategory));
cl::HideUnrelatedOptions(TestCategory);
ASSERT_EQ(cl::ReallyHidden, TestOption1.getOptionHiddenFlag())
<< "Failed to hide extra option.";
ASSERT_EQ(cl::NotHidden, TestOption2.getOptionHiddenFlag())
<< "Hid extra option that should be visable.";
StringMap<cl::Option *> &Map =
cl::getRegisteredOptions(*cl::TopLevelSubCommand);
ASSERT_EQ(cl::NotHidden, Map["help"]->getOptionHiddenFlag())
<< "Hid default option that should be visable.";
}
cl::OptionCategory TestCategory2("Test Options set 2", "Description");
TEST(CommandLineTest, HideUnrelatedOptionsMulti) {
StackOption<int> TestOption1("multi-hide-option-1");
StackOption<int> TestOption2("multi-hide-option-2", cl::cat(TestCategory));
StackOption<int> TestOption3("multi-hide-option-3", cl::cat(TestCategory2));
const cl::OptionCategory *VisibleCategories[] = {&TestCategory,
&TestCategory2};
cl::HideUnrelatedOptions(makeArrayRef(VisibleCategories));
ASSERT_EQ(cl::ReallyHidden, TestOption1.getOptionHiddenFlag())
<< "Failed to hide extra option.";
ASSERT_EQ(cl::NotHidden, TestOption2.getOptionHiddenFlag())
<< "Hid extra option that should be visable.";
ASSERT_EQ(cl::NotHidden, TestOption3.getOptionHiddenFlag())
<< "Hid extra option that should be visable.";
StringMap<cl::Option *> &Map =
cl::getRegisteredOptions(*cl::TopLevelSubCommand);
ASSERT_EQ(cl::NotHidden, Map["help"]->getOptionHiddenFlag())
<< "Hid default option that should be visable.";
}
TEST(CommandLineTest, SetValueInSubcategories) {
cl::ResetCommandLineParser();
StackSubCommand SC1("sc1", "First subcommand");
StackSubCommand SC2("sc2", "Second subcommand");
StackOption<bool> TopLevelOpt("top-level", cl::init(false));
StackOption<bool> SC1Opt("sc1", cl::sub(SC1), cl::init(false));
StackOption<bool> SC2Opt("sc2", cl::sub(SC2), cl::init(false));
EXPECT_FALSE(TopLevelOpt);
EXPECT_FALSE(SC1Opt);
EXPECT_FALSE(SC2Opt);
const char *args[] = {"prog", "-top-level"};
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args, StringRef(), &llvm::nulls()));
EXPECT_TRUE(TopLevelOpt);
EXPECT_FALSE(SC1Opt);
EXPECT_FALSE(SC2Opt);
TopLevelOpt = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(TopLevelOpt);
EXPECT_FALSE(SC1Opt);
EXPECT_FALSE(SC2Opt);
const char *args2[] = {"prog", "sc1", "-sc1"};
EXPECT_TRUE(
cl::ParseCommandLineOptions(3, args2, StringRef(), &llvm::nulls()));
EXPECT_FALSE(TopLevelOpt);
EXPECT_TRUE(SC1Opt);
EXPECT_FALSE(SC2Opt);
SC1Opt = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(TopLevelOpt);
EXPECT_FALSE(SC1Opt);
EXPECT_FALSE(SC2Opt);
const char *args3[] = {"prog", "sc2", "-sc2"};
EXPECT_TRUE(
cl::ParseCommandLineOptions(3, args3, StringRef(), &llvm::nulls()));
EXPECT_FALSE(TopLevelOpt);
EXPECT_FALSE(SC1Opt);
EXPECT_TRUE(SC2Opt);
}
TEST(CommandLineTest, LookupFailsInWrongSubCommand) {
cl::ResetCommandLineParser();
StackSubCommand SC1("sc1", "First subcommand");
StackSubCommand SC2("sc2", "Second subcommand");
StackOption<bool> SC1Opt("sc1", cl::sub(SC1), cl::init(false));
StackOption<bool> SC2Opt("sc2", cl::sub(SC2), cl::init(false));
std::string Errs;
raw_string_ostream OS(Errs);
const char *args[] = {"prog", "sc1", "-sc2"};
EXPECT_FALSE(cl::ParseCommandLineOptions(3, args, StringRef(), &OS));
OS.flush();
EXPECT_FALSE(Errs.empty());
}
TEST(CommandLineTest, AddToAllSubCommands) {
cl::ResetCommandLineParser();
StackSubCommand SC1("sc1", "First subcommand");
StackOption<bool> AllOpt("everywhere", cl::sub(*cl::AllSubCommands),
cl::init(false));
StackSubCommand SC2("sc2", "Second subcommand");
const char *args[] = {"prog", "-everywhere"};
const char *args2[] = {"prog", "sc1", "-everywhere"};
const char *args3[] = {"prog", "sc2", "-everywhere"};
std::string Errs;
raw_string_ostream OS(Errs);
EXPECT_FALSE(AllOpt);
EXPECT_TRUE(cl::ParseCommandLineOptions(2, args, StringRef(), &OS));
EXPECT_TRUE(AllOpt);
AllOpt = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(AllOpt);
EXPECT_TRUE(cl::ParseCommandLineOptions(3, args2, StringRef(), &OS));
EXPECT_TRUE(AllOpt);
AllOpt = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(AllOpt);
EXPECT_TRUE(cl::ParseCommandLineOptions(3, args3, StringRef(), &OS));
EXPECT_TRUE(AllOpt);
// Since all parsing succeeded, the error message should be empty.
OS.flush();
EXPECT_TRUE(Errs.empty());
}
TEST(CommandLineTest, ReparseCommandLineOptions) {
cl::ResetCommandLineParser();
StackOption<bool> TopLevelOpt("top-level", cl::sub(*cl::TopLevelSubCommand),
cl::init(false));
const char *args[] = {"prog", "-top-level"};
EXPECT_FALSE(TopLevelOpt);
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args, StringRef(), &llvm::nulls()));
EXPECT_TRUE(TopLevelOpt);
TopLevelOpt = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(TopLevelOpt);
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args, StringRef(), &llvm::nulls()));
EXPECT_TRUE(TopLevelOpt);
}
TEST(CommandLineTest, RemoveFromRegularSubCommand) {
cl::ResetCommandLineParser();
StackSubCommand SC("sc", "Subcommand");
StackOption<bool> RemoveOption("remove-option", cl::sub(SC), cl::init(false));
StackOption<bool> KeepOption("keep-option", cl::sub(SC), cl::init(false));
const char *args[] = {"prog", "sc", "-remove-option"};
std::string Errs;
raw_string_ostream OS(Errs);
EXPECT_FALSE(RemoveOption);
EXPECT_TRUE(cl::ParseCommandLineOptions(3, args, StringRef(), &OS));
EXPECT_TRUE(RemoveOption);
OS.flush();
EXPECT_TRUE(Errs.empty());
RemoveOption.removeArgument();
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(cl::ParseCommandLineOptions(3, args, StringRef(), &OS));
OS.flush();
EXPECT_FALSE(Errs.empty());
}
TEST(CommandLineTest, RemoveFromTopLevelSubCommand) {
cl::ResetCommandLineParser();
StackOption<bool> TopLevelRemove(
"top-level-remove", cl::sub(*cl::TopLevelSubCommand), cl::init(false));
StackOption<bool> TopLevelKeep(
"top-level-keep", cl::sub(*cl::TopLevelSubCommand), cl::init(false));
const char *args[] = {"prog", "-top-level-remove"};
EXPECT_FALSE(TopLevelRemove);
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args, StringRef(), &llvm::nulls()));
EXPECT_TRUE(TopLevelRemove);
TopLevelRemove.removeArgument();
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(
cl::ParseCommandLineOptions(2, args, StringRef(), &llvm::nulls()));
}
TEST(CommandLineTest, RemoveFromAllSubCommands) {
cl::ResetCommandLineParser();
StackSubCommand SC1("sc1", "First Subcommand");
StackSubCommand SC2("sc2", "Second Subcommand");
StackOption<bool> RemoveOption("remove-option", cl::sub(*cl::AllSubCommands),
cl::init(false));
StackOption<bool> KeepOption("keep-option", cl::sub(*cl::AllSubCommands),
cl::init(false));
const char *args0[] = {"prog", "-remove-option"};
const char *args1[] = {"prog", "sc1", "-remove-option"};
const char *args2[] = {"prog", "sc2", "-remove-option"};
// It should work for all subcommands including the top-level.
EXPECT_FALSE(RemoveOption);
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args0, StringRef(), &llvm::nulls()));
EXPECT_TRUE(RemoveOption);
RemoveOption = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(RemoveOption);
EXPECT_TRUE(
cl::ParseCommandLineOptions(3, args1, StringRef(), &llvm::nulls()));
EXPECT_TRUE(RemoveOption);
RemoveOption = false;
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(RemoveOption);
EXPECT_TRUE(
cl::ParseCommandLineOptions(3, args2, StringRef(), &llvm::nulls()));
EXPECT_TRUE(RemoveOption);
RemoveOption.removeArgument();
// It should not work for any subcommands including the top-level.
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(
cl::ParseCommandLineOptions(2, args0, StringRef(), &llvm::nulls()));
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(
cl::ParseCommandLineOptions(3, args1, StringRef(), &llvm::nulls()));
cl::ResetAllOptionOccurrences();
EXPECT_FALSE(
cl::ParseCommandLineOptions(3, args2, StringRef(), &llvm::nulls()));
}
TEST(CommandLineTest, GetRegisteredSubcommands) {
cl::ResetCommandLineParser();
StackSubCommand SC1("sc1", "First Subcommand");
StackOption<bool> Opt1("opt1", cl::sub(SC1), cl::init(false));
StackSubCommand SC2("sc2", "Second subcommand");
StackOption<bool> Opt2("opt2", cl::sub(SC2), cl::init(false));
const char *args0[] = {"prog", "sc1"};
const char *args1[] = {"prog", "sc2"};
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args0, StringRef(), &llvm::nulls()));
EXPECT_FALSE(Opt1);
EXPECT_FALSE(Opt2);
for (auto *S : cl::getRegisteredSubcommands()) {
if (*S) {
EXPECT_EQ("sc1", S->getName());
}
}
cl::ResetAllOptionOccurrences();
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args1, StringRef(), &llvm::nulls()));
EXPECT_FALSE(Opt1);
EXPECT_FALSE(Opt2);
for (auto *S : cl::getRegisteredSubcommands()) {
if (*S) {
EXPECT_EQ("sc2", S->getName());
}
}
}
TEST(CommandLineTest, ArgumentLimit) {
std::string args(32 * 4096, 'a');
EXPECT_FALSE(llvm::sys::commandLineFitsWithinSystemLimits("cl", args.data()));
}
TEST(CommandLineTest, ResponseFiles) {
llvm::SmallString<128> TestDir;
std::error_code EC =
llvm::sys::fs::createUniqueDirectory("unittest", TestDir);
EXPECT_TRUE(!EC);
// Create included response file of first level.
llvm::SmallString<128> IncludedFileName;
llvm::sys::path::append(IncludedFileName, TestDir, "resp1");
std::ofstream IncludedFile(IncludedFileName.c_str());
EXPECT_TRUE(IncludedFile.is_open());
IncludedFile << "-option_1 -option_2\n"
"@incdir/resp2\n"
"-option_3=abcd\n";
IncludedFile.close();
// Directory for included file.
llvm::SmallString<128> IncDir;
llvm::sys::path::append(IncDir, TestDir, "incdir");
EC = llvm::sys::fs::create_directory(IncDir);
EXPECT_TRUE(!EC);
// Create included response file of second level.
llvm::SmallString<128> IncludedFileName2;
llvm::sys::path::append(IncludedFileName2, IncDir, "resp2");
std::ofstream IncludedFile2(IncludedFileName2.c_str());
EXPECT_TRUE(IncludedFile2.is_open());
IncludedFile2 << "-option_21 -option_22\n";
IncludedFile2 << "-option_23=abcd\n";
IncludedFile2.close();
// Prepare 'file' with reference to response file.
SmallString<128> IncRef;
IncRef.append(1, '@');
IncRef.append(IncludedFileName.c_str());
llvm::SmallVector<const char *, 4> Argv =
{ "test/test", "-flag_1", IncRef.c_str(), "-flag_2" };
// Expand response files.
llvm::BumpPtrAllocator A;
llvm::StringSaver Saver(A);
bool Res = llvm::cl::ExpandResponseFiles(
Saver, llvm::cl::TokenizeGNUCommandLine, Argv, false, true);
EXPECT_TRUE(Res);
EXPECT_EQ(Argv.size(), 9U);
EXPECT_STREQ(Argv[0], "test/test");
EXPECT_STREQ(Argv[1], "-flag_1");
EXPECT_STREQ(Argv[2], "-option_1");
EXPECT_STREQ(Argv[3], "-option_2");
EXPECT_STREQ(Argv[4], "-option_21");
EXPECT_STREQ(Argv[5], "-option_22");
EXPECT_STREQ(Argv[6], "-option_23=abcd");
EXPECT_STREQ(Argv[7], "-option_3=abcd");
EXPECT_STREQ(Argv[8], "-flag_2");
llvm::sys::fs::remove(IncludedFileName2);
llvm::sys::fs::remove(IncDir);
llvm::sys::fs::remove(IncludedFileName);
llvm::sys::fs::remove(TestDir);
}
TEST(CommandLineTest, SetDefautValue) {
cl::ResetCommandLineParser();
StackOption<std::string> Opt1("opt1", cl::init("true"));
StackOption<bool> Opt2("opt2", cl::init(true));
cl::alias Alias("alias", llvm::cl::aliasopt(Opt2));
StackOption<int> Opt3("opt3", cl::init(3));
const char *args[] = {"prog", "-opt1=false", "-opt2", "-opt3"};
EXPECT_TRUE(
cl::ParseCommandLineOptions(2, args, StringRef(), &llvm::nulls()));
EXPECT_TRUE(Opt1 == "false");
EXPECT_TRUE(Opt2);
EXPECT_TRUE(Opt3 == 3);
Opt2 = false;
Opt3 = 1;
cl::ResetAllOptionOccurrences();
for (auto &OM : cl::getRegisteredOptions(*cl::TopLevelSubCommand)) {
cl::Option *O = OM.second;
if (O->ArgStr == "opt2") {
continue;
}
O->setDefault();
}
EXPECT_TRUE(Opt1 == "true");
EXPECT_TRUE(Opt2);
EXPECT_TRUE(Opt3 == 3);
}
} // anonymous namespace
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