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//===- unittest/Support/OptionParsingTest.cpp - OptTable tests ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/Option.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::opt;
enum ID {
OPT_INVALID = 0, // This is not an option ID.
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
HELPTEXT, METAVAR) OPT_##ID,
#include "Opts.inc"
LastOption
#undef OPTION
};
#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
#include "Opts.inc"
#undef PREFIX
static const OptTable::Info InfoTable[] = {
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, FLAGS, PARAM, \
HELPTEXT, METAVAR) \
{ PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, PARAM, \
FLAGS, OPT_##GROUP, OPT_##ALIAS },
#include "Opts.inc"
#undef OPTION
};
namespace {
class TestOptTable : public OptTable {
public:
TestOptTable()
: OptTable(InfoTable, sizeof(InfoTable) / sizeof(InfoTable[0])) {}
};
}
const char *Args[] = {
"-A",
"-Bhi",
"--C=desu",
"-C", "bye",
"-D,adena",
"-E", "apple", "bloom",
"-Fblarg",
"-F", "42",
"-Gchuu", "2"
};
TEST(Support, OptionParsing) {
TestOptTable T;
unsigned MAI, MAC;
OwningPtr<InputArgList>
AL(T.ParseArgs(Args,
Args + (sizeof(Args) / sizeof(Args[0])),
MAI,
MAC));
// Check they all exist.
EXPECT_TRUE(AL->hasArg(OPT_A));
EXPECT_TRUE(AL->hasArg(OPT_B));
EXPECT_TRUE(AL->hasArg(OPT_C));
EXPECT_TRUE(AL->hasArg(OPT_D));
EXPECT_TRUE(AL->hasArg(OPT_E));
EXPECT_TRUE(AL->hasArg(OPT_F));
EXPECT_TRUE(AL->hasArg(OPT_G));
// Check the values.
EXPECT_EQ(AL->getLastArgValue(OPT_B), "hi");
EXPECT_EQ(AL->getLastArgValue(OPT_C), "bye");
EXPECT_EQ(AL->getLastArgValue(OPT_D), "adena");
std::vector<std::string> Es = AL->getAllArgValues(OPT_E);
EXPECT_EQ(Es[0], "apple");
EXPECT_EQ(Es[1], "bloom");
EXPECT_EQ(AL->getLastArgValue(OPT_F), "42");
std::vector<std::string> Gs = AL->getAllArgValues(OPT_G);
EXPECT_EQ(Gs[0], "chuu");
EXPECT_EQ(Gs[1], "2");
// Check the help text.
std::string Help;
raw_string_ostream RSO(Help);
T.PrintHelp(RSO, "test", "title!");
EXPECT_NE(Help.find("-A"), std::string::npos);
// Test aliases.
arg_iterator Cs = AL->filtered_begin(OPT_C);
ASSERT_NE(Cs, AL->filtered_end());
EXPECT_EQ(StringRef((*Cs)->getValue()), "desu");
ArgStringList ASL;
(*Cs)->render(*AL, ASL);
ASSERT_EQ(ASL.size(), 2u);
EXPECT_EQ(StringRef(ASL[0]), "-C");
EXPECT_EQ(StringRef(ASL[1]), "desu");
}
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