CMock/examples/temp_sensor/test/TestTemperatureCalculator.c
2025-01-01 12:05:55 -05:00

41 lines
1.1 KiB
C

/* =========================================================================
CMock - Automatic Mock Generation for C
ThrowTheSwitch.org
Copyright (c) 2007-25 Mike Karlesky, Mark VanderVoord, & Greg Williams
SPDX-License-Identifier: MIT
========================================================================= */
#include "unity.h"
#include "Types.h"
#include "TemperatureCalculator.h"
#include <math.h>
void setUp(void)
{
}
void tearDown(void)
{
}
void testTemperatureCalculatorShouldCalculateTemperatureFromMillivolts(void)
{
float result;
// Series resistor is 5k Ohms; Reference voltage is 3.0V
// R(t) = A * e^(B*t); R is resistance of thermisor; t is temperature in C
result = TemperatureCalculator_Calculate(1000);
TEST_ASSERT_FLOAT_WITHIN(0.01f, 25.0f, result);
result = TemperatureCalculator_Calculate(2985);
TEST_ASSERT_FLOAT_WITHIN(0.01f, 68.317f, result);
result = TemperatureCalculator_Calculate(3);
TEST_ASSERT_FLOAT_WITHIN(0.01f, -19.96f, result);
}
void testShouldReturnNegativeInfinityWhen_0_millivoltsInput(void)
{
TEST_ASSERT_FLOAT_WITHIN(0.0000001f, -INFINITY, TemperatureCalculator_Calculate(0));
}