text: // Copyright 2019 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "base/util/values/values_util.h"
  
  #include <limits>
  
  #include "base/files/file_path.h"
  #include "base/strings/string_piece.h"
  #include "base/time/time.h"
  #include "base/unguessable_token.h"
  #include "testing/gtest/include/gtest/gtest.h"
  
  namespace util {
  
  namespace {
  
  TEST(ValuesUtilTest, BasicInt64Limits) {
    constexpr struct {
      int64_t input;
      base::StringPiece expected;
    } kTestCases[] = {
        {0, "0"},
        {-1234, "-1234"},
        {5678, "5678"},
        {std::numeric_limits<int64_t>::lowest(), "-9223372036854775808"},
        {std::numeric_limits<int64_t>::max(), "9223372036854775807"},
    };
    for (const auto& test_case : kTestCases) {
      int64_t input = test_case.input;
      base::TimeDelta time_delta_input = base::TimeDelta::FromMicroseconds(input);
      base::Time time_input =
          base::Time::FromDeltaSinceWindowsEpoch(time_delta_input);
      base::Value expected(test_case.expected);
      SCOPED_TRACE(testing::Message()
                   << "input: " << input << ", expected: " << expected);
  
      EXPECT_EQ(Int64ToValue(input), expected);
      EXPECT_EQ(*ValueToInt64(&expected), input);
  
      EXPECT_EQ(TimeDeltaToValue(time_delta_input), expected);
      EXPECT_EQ(*ValueToTimeDelta(&expected), time_delta_input);
  
      EXPECT_EQ(TimeToValue(time_input), expected);
      EXPECT_EQ(*ValueToTime(&expected), time_input);
    }
  }
  
  TEST(ValuesUtilTest, InvalidInt64Values) {
    const std::unique_ptr<base::Value> kTestCases[] = {
        nullptr,
        std::make_unique<base::Value>(),
        std::make_unique<base::Value>(0),
        std::make_unique<base::Value>(1234),
        std::make_unique<base::Value>(true),
        std::make_unique<base::Value>(base::Value::Type::BINARY),
        std::make_unique<base::Value>(base::Value::Type::LIST),
        std::make_unique<base::Value>(base::Value::Type::DICTIONARY),
        std::make_unique<base::Value>(""),
        std::make_unique<base::Value>("abcd"),
        std::make_unique<base::Value>("1234.0"),
        std::make_unique<base::Value>("1234a"),
        std::make_unique<base::Value>("a1234"),
    };
    for (const auto& test_case : kTestCases) {
      EXPECT_FALSE(ValueToInt64(test_case.get()));
      EXPECT_FALSE(ValueToTimeDelta(test_case.get()));
      EXPECT_FALSE(ValueToTime(test_case.get()));
    }
  }
  
  TEST(ValuesUtilTest, FilePath) {
    // Ω is U+03A9 GREEK CAPITAL LETTER OMEGA, a non-ASCII character.
    constexpr base::StringPiece kTestCases[] = {
        "/unix/Ω/path.dat",
        "C:\\windows\\Ω\\path.dat",
    };
    for (auto test_case : kTestCases) {
      base::FilePath input = base::FilePath::FromUTF8Unsafe(test_case);
      base::Value expected(test_case);
      SCOPED_TRACE(testing::Message() << "test_case: " << test_case);
  
      EXPECT_EQ(FilePathToValue(input), expected);
      EXPECT_EQ(*ValueToFilePath(&expected), input);
    }
  }
  
  TEST(ValuesUtilTest, UnguessableToken) {
    constexpr struct {
      uint64_t high;
      uint64_t low;
      base::StringPiece expected;
    } kTestCases[] = {
        {0x123456u, 0x9ABCu, "5634120000000000BC9A000000000000"},
    };
    for (const auto& test_case : kTestCases) {
      base::UnguessableToken input =
          base::UnguessableToken::Deserialize(test_case.high, test_case.low);
      base::Value expected(test_case.expected);
      SCOPED_TRACE(testing::Message() << "expected: " << test_case.expected);
  
      EXPECT_EQ(UnguessableTokenToValue(input), expected);
      EXPECT_EQ(*ValueToUnguessableToken(&expected), input);
    }
  }
  
  }  // namespace
  
  }  // namespace util
  