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33 lines
834 B
33 lines
834 B
#include "unity.h"
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#include "Types.h"
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#include "TemperatureCalculator.h"
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#include <math.h>
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void setUp(void)
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{
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}
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void tearDown(void)
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{
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}
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void testTemperatureCalculatorShouldCalculateTemperatureFromMillivolts(void)
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{
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float result;
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// Series resistor is 5k Ohms; Reference voltage is 3.0V
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// R(t) = A * e^(B*t); R is resistance of thermisor; t is temperature in C
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result = TemperatureCalculator_Calculate(1000);
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TEST_ASSERT_FLOAT_WITHIN(0.01f, 25.0f, result);
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result = TemperatureCalculator_Calculate(2985);
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TEST_ASSERT_FLOAT_WITHIN(0.01f, 68.317f, result);
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result = TemperatureCalculator_Calculate(3);
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TEST_ASSERT_FLOAT_WITHIN(0.01f, -19.96f, result);
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}
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void testShouldReturnNegativeInfinityWhen_0_millivoltsInput(void)
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{
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TEST_ASSERT_FLOAT_WITHIN(0.0000001f, -INFINITY, TemperatureCalculator_Calculate(0));
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}
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