/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "parsed_options.h"

#include <memory>

#include "arch/instruction_set.h"
#include "base/common_art_test.h"

namespace art {

class ParsedOptionsTest : public CommonArtTest {
 public:
  static void SetUpTestCase() {
    CommonArtTest::SetUpAndroidRootEnvVars();
  }
};

static int test_vfprintf(FILE*, const char*, va_list) { return 0; }
static void test_abort() {}
static void test_exit(jint) {}

TEST_F(ParsedOptionsTest, ParsedOptions) {
  std::string boot_class_path;
  std::string class_path;
  boot_class_path += "-Xbootclasspath:";

  bool first_dex_file = true;
  for (const std::string& dex_file_name : GetLibCoreDexFileNames()) {
    if (!first_dex_file) {
      class_path += ":";
    } else {
      first_dex_file = false;
    }
    class_path += dex_file_name;
  }
  boot_class_path += class_path;
  std::vector<std::string> expected_boot_class_path;
  Split(class_path, ':', &expected_boot_class_path);

  RuntimeOptions options;
  options.push_back(std::make_pair(boot_class_path.c_str(), nullptr));
  options.push_back(std::make_pair("-classpath", nullptr));
  options.push_back(std::make_pair(class_path.c_str(), nullptr));
  options.push_back(std::make_pair("-cp", nullptr));
  options.push_back(std::make_pair(class_path.c_str(), nullptr));
  options.push_back(std::make_pair("-Ximage:boot_image", nullptr));
  options.push_back(std::make_pair("-Xcheck:jni", nullptr));
  options.push_back(std::make_pair("-Xms2048", nullptr));
  options.push_back(std::make_pair("-Xmx4k", nullptr));
  options.push_back(std::make_pair("-Xss1m", nullptr));
  options.push_back(std::make_pair("-XX:HeapTargetUtilization=0.75", nullptr));
  options.push_back(std::make_pair("-XX:StopForNativeAllocs=200m", nullptr));
  options.push_back(std::make_pair("-Dfoo=bar", nullptr));
  options.push_back(std::make_pair("-Dbaz=qux", nullptr));
  options.push_back(std::make_pair("-verbose:gc,class,jni", nullptr));
  options.push_back(std::make_pair("vfprintf", reinterpret_cast<void*>(test_vfprintf)));
  options.push_back(std::make_pair("abort", reinterpret_cast<void*>(test_abort)));
  options.push_back(std::make_pair("exit", reinterpret_cast<void*>(test_exit)));

  RuntimeArgumentMap map;
  bool parsed = ParsedOptions::Parse(options, false, &map);
  ASSERT_TRUE(parsed);
  ASSERT_NE(0u, map.Size());

  using Opt = RuntimeArgumentMap;

#define EXPECT_PARSED_EQ(expected, actual_key) EXPECT_EQ(expected, map.GetOrDefault(actual_key))
#define EXPECT_PARSED_EQ_AS_STRING_VECTOR(expected, actual_key) \
  EXPECT_EQ(expected, static_cast<std::vector<std::string>>(map.GetOrDefault(actual_key)))
#define EXPECT_PARSED_EXISTS(actual_key) EXPECT_TRUE(map.Exists(actual_key))

  EXPECT_PARSED_EQ_AS_STRING_VECTOR(expected_boot_class_path, Opt::BootClassPath);
  EXPECT_PARSED_EQ(class_path, Opt::ClassPath);
  std::vector<std::string> boot_images = map.GetOrDefault(Opt::Image);
  ASSERT_EQ(1U, boot_images.size());
  EXPECT_EQ(std::string("boot_image"), boot_images[0]);
  EXPECT_PARSED_EXISTS(Opt::CheckJni);
  EXPECT_PARSED_EQ(2048U, Opt::MemoryInitialSize);
  EXPECT_PARSED_EQ(4 * KB, Opt::MemoryMaximumSize);
  EXPECT_PARSED_EQ(1 * MB, Opt::StackSize);
  EXPECT_PARSED_EQ(200 * MB, Opt::StopForNativeAllocs);
  EXPECT_DOUBLE_EQ(0.75, map.GetOrDefault(Opt::HeapTargetUtilization));
  EXPECT_TRUE(reinterpret_cast<void*>(test_vfprintf) == map.GetOrDefault(Opt::HookVfprintf));
  EXPECT_TRUE(reinterpret_cast<void*>(test_exit) == map.GetOrDefault(Opt::HookExit));
  EXPECT_TRUE(reinterpret_cast<void*>(test_abort) == map.GetOrDefault(Opt::HookAbort));
  EXPECT_TRUE(VLOG_IS_ON(class_linker));
  EXPECT_FALSE(VLOG_IS_ON(compiler));
  EXPECT_FALSE(VLOG_IS_ON(heap));
  EXPECT_TRUE(VLOG_IS_ON(gc));
  EXPECT_FALSE(VLOG_IS_ON(interpreter));
  EXPECT_FALSE(VLOG_IS_ON(jdwp));
  EXPECT_TRUE(VLOG_IS_ON(jni));
  EXPECT_FALSE(VLOG_IS_ON(monitor));
  EXPECT_FALSE(VLOG_IS_ON(signals));
  EXPECT_FALSE(VLOG_IS_ON(simulator));
  EXPECT_FALSE(VLOG_IS_ON(startup));
  EXPECT_FALSE(VLOG_IS_ON(third_party_jni));
  EXPECT_FALSE(VLOG_IS_ON(threads));

  auto&& properties_list = map.GetOrDefault(Opt::PropertiesList);
  ASSERT_EQ(2U, properties_list.size());
  EXPECT_EQ("foo=bar", properties_list[0]);
  EXPECT_EQ("baz=qux", properties_list[1]);
}

TEST_F(ParsedOptionsTest, ParsedOptionsGc) {
  RuntimeOptions options;
  options.push_back(std::make_pair("-Xgc:SS", nullptr));

  RuntimeArgumentMap map;
  bool parsed = ParsedOptions::Parse(options, false, &map);
  ASSERT_TRUE(parsed);
  ASSERT_NE(0u, map.Size());

  using Opt = RuntimeArgumentMap;

  EXPECT_TRUE(map.Exists(Opt::GcOption));

  XGcOption xgc = map.GetOrDefault(Opt::GcOption);
  EXPECT_EQ(gc::kCollectorTypeSS, xgc.collector_type_);
}

TEST_F(ParsedOptionsTest, ParsedOptionsGenerationalCC) {
  RuntimeOptions options;
  options.push_back(std::make_pair("-Xgc:generational_cc", nullptr));

  RuntimeArgumentMap map;
  bool parsed = ParsedOptions::Parse(options, false, &map);
  ASSERT_TRUE(parsed);
  ASSERT_NE(0u, map.Size());

  using Opt = RuntimeArgumentMap;

  EXPECT_TRUE(map.Exists(Opt::GcOption));

  XGcOption xgc = map.GetOrDefault(Opt::GcOption);
  ASSERT_TRUE(xgc.generational_cc);
}

TEST_F(ParsedOptionsTest, ParsedOptionsInstructionSet) {
  using Opt = RuntimeArgumentMap;

  {
    // Nothing set, should be kRuntimeISA.
    RuntimeOptions options;
    RuntimeArgumentMap map;
    bool parsed = ParsedOptions::Parse(options, false, &map);
    ASSERT_TRUE(parsed);
    InstructionSet isa = map.GetOrDefault(Opt::ImageInstructionSet);
    EXPECT_EQ(kRuntimeISA, isa);
  }

  const char* isa_strings[] = { "arm", "arm64", "x86", "x86_64" };
  InstructionSet ISAs[] = { InstructionSet::kArm,
                            InstructionSet::kArm64,
                            InstructionSet::kX86,
                            InstructionSet::kX86_64 };
  static_assert(arraysize(isa_strings) == arraysize(ISAs), "Need same amount.");

  for (size_t i = 0; i < arraysize(isa_strings); ++i) {
    RuntimeOptions options;
    options.push_back(std::make_pair("imageinstructionset", isa_strings[i]));
    RuntimeArgumentMap map;
    bool parsed = ParsedOptions::Parse(options, false, &map);
    ASSERT_TRUE(parsed);
    InstructionSet isa = map.GetOrDefault(Opt::ImageInstructionSet);
    EXPECT_EQ(ISAs[i], isa);
  }
}

}  // namespace art