#include <gtest/gtest.h>
#include "altitude_calculator.hpp"

using namespace std;

namespace {

// 测试用例：metersToFeet 正常输入测试
TEST(AltitudeCalculatorTest, testMetersToFeetNormalInput) {
    EXPECT_FLOAT_EQ(AltitudeCalculator::metersToFeet(1.0f), 3.28084f);
    EXPECT_FLOAT_EQ(AltitudeCalculator::metersToFeet(0.0f), 0.0f);
    EXPECT_FLOAT_EQ(AltitudeCalculator::metersToFeet(10.0f), 32.8084f);
}

// 测试用例：metersToFeet 边界值测试
TEST(AltitudeCalculatorTest, testMetersToFeetBoundaryValues) {
    EXPECT_FLOAT_EQ(AltitudeCalculator::metersToFeet(-1.0f), -3.28084f);
    EXPECT_FLOAT_EQ(AltitudeCalculator::metersToFeet(1e6f), 3280840.0f);
}

// 测试用例：feetToMeters 正常输入测试
TEST(AltitudeCalculatorTest, testFeetToMetersNormalInput) {
    EXPECT_FLOAT_EQ(AltitudeCalculator::feetToMeters(3.28084f), 1.0f);
    EXPECT_FLOAT_EQ(AltitudeCalculator::feetToMeters(0.0f), 0.0f);
    EXPECT_FLOAT_EQ(AltitudeCalculator::feetToMeters(32.8084f), 10.0f);
}

// 测试用例：feetToMeters 边界值测试
TEST(AltitudeCalculatorTest, testFeetToMetersBoundaryValues) {
    EXPECT_FLOAT_EQ(AltitudeCalculator::feetToMeters(-3.28084f), -1.0f);
    EXPECT_FLOAT_EQ(AltitudeCalculator::feetToMeters(1e6f), 304800.0f);
}

// 测试用例：isValidPressure 正常输入测试
TEST(AltitudeCalculatorTest, testIsValidPressureNormalInput) {
    EXPECT_TRUE(AltitudeCalculator::isValidPressure(500.0f));
    EXPECT_TRUE(AltitudeCalculator::isValidPressure(1100.0f));
    EXPECT_TRUE(AltitudeCalculator::isValidPressure(1013.25f));
}

// 测试用例：isValidPressure 边界值测试
TEST(AltitudeCalculatorTest, testIsValidPressureBoundaryValues) {
    EXPECT_TRUE(AltitudeCalculator::isValidPressure(500.0f));
    EXPECT_TRUE(AltitudeCalculator::isValidPressure(1100.0f));
    EXPECT_FALSE(AltitudeCalculator::isValidPressure(499.9f));
    EXPECT_FALSE(AltitudeCalculator::isValidPressure(1100.1f));
}

// 测试用例：isValidPressure 异常输入测试
TEST(AltitudeCalculatorTest, testIsValidPressureInvalidInput) {
    EXPECT_FALSE(AltitudeCalculator::isValidPressure(-100.0f));
    EXPECT_FALSE(AltitudeCalculator::isValidPressure(INFINITY));
    EXPECT_FALSE(AltitudeCalculator::isValidPressure(NAN));
}

} // namespace