third_party/llvm-project/lldb/unittests/Interpreter/TestOptionArgParser.cpp

//===-- ArgsTest.cpp --------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "gtest/gtest.h"
#include "lldb/Interpreter/OptionArgParser.h"

using namespace lldb_private;

TEST(OptionArgParserTest, toBoolean) {
  bool success = false;
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("true"), false, nullptr));
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("on"), false, nullptr));
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("yes"), false, nullptr));
  EXPECT_TRUE(OptionArgParser::ToBoolean(llvm::StringRef("1"), false, nullptr));

  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("true"), false, &success));
  EXPECT_TRUE(success);
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("on"), false, &success));
  EXPECT_TRUE(success);
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("yes"), false, &success));
  EXPECT_TRUE(success);
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("1"), false, &success));
  EXPECT_TRUE(success);

  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("false"), true, nullptr));
  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("off"), true, nullptr));
  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("no"), true, nullptr));
  EXPECT_FALSE(OptionArgParser::ToBoolean(llvm::StringRef("0"), true, nullptr));

  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("false"), true, &success));
  EXPECT_TRUE(success);
  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("off"), true, &success));
  EXPECT_TRUE(success);
  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("no"), true, &success));
  EXPECT_TRUE(success);
  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("0"), true, &success));
  EXPECT_TRUE(success);

  EXPECT_FALSE(
      OptionArgParser::ToBoolean(llvm::StringRef("10"), false, &success));
  EXPECT_FALSE(success);
  EXPECT_TRUE(
      OptionArgParser::ToBoolean(llvm::StringRef("10"), true, &success));
  EXPECT_FALSE(success);
  EXPECT_TRUE(OptionArgParser::ToBoolean(llvm::StringRef(""), true, &success));
  EXPECT_FALSE(success);
}

TEST(OptionArgParserTest, toChar) {
  bool success = false;

  EXPECT_EQ('A', OptionArgParser::ToChar("A", 'B', nullptr));
  EXPECT_EQ('B', OptionArgParser::ToChar("B", 'A', nullptr));

  EXPECT_EQ('A', OptionArgParser::ToChar("A", 'B', &success));
  EXPECT_TRUE(success);
  EXPECT_EQ('B', OptionArgParser::ToChar("B", 'A', &success));
  EXPECT_TRUE(success);

  EXPECT_EQ('A', OptionArgParser::ToChar("", 'A', &success));
  EXPECT_FALSE(success);
  EXPECT_EQ('A', OptionArgParser::ToChar("ABC", 'A', &success));
  EXPECT_FALSE(success);
}

TEST(OptionArgParserTest, toScriptLanguage) {
  bool success = false;

  EXPECT_EQ(lldb::eScriptLanguageDefault,
            OptionArgParser::ToScriptLanguage(llvm::StringRef("default"),
                                              lldb::eScriptLanguageNone,
                                              nullptr));
  EXPECT_EQ(lldb::eScriptLanguagePython,
            OptionArgParser::ToScriptLanguage(
                llvm::StringRef("python"), lldb::eScriptLanguageNone, nullptr));
  EXPECT_EQ(lldb::eScriptLanguageNone,
            OptionArgParser::ToScriptLanguage(
                llvm::StringRef("none"), lldb::eScriptLanguagePython, nullptr));

  EXPECT_EQ(lldb::eScriptLanguageDefault,
            OptionArgParser::ToScriptLanguage(llvm::StringRef("default"),
                                              lldb::eScriptLanguageNone,
                                              &success));
  EXPECT_TRUE(success);
  EXPECT_EQ(lldb::eScriptLanguagePython,
            OptionArgParser::ToScriptLanguage(llvm::StringRef("python"),
                                              lldb::eScriptLanguageNone,
                                              &success));
  EXPECT_TRUE(success);
  EXPECT_EQ(lldb::eScriptLanguageNone,
            OptionArgParser::ToScriptLanguage(llvm::StringRef("none"),
                                              lldb::eScriptLanguagePython,
                                              &success));
  EXPECT_TRUE(success);

  EXPECT_EQ(lldb::eScriptLanguagePython,
            OptionArgParser::ToScriptLanguage(llvm::StringRef("invalid"),
                                              lldb::eScriptLanguagePython,
                                              &success));
  EXPECT_FALSE(success);
}