2022-2-WS_group_project_bankmanagement-system/tests/test_currencyExchange.c

#ifdef TEST

#include "unity.h"
#include "currencyExchange.h"

void setUp(void)
{
}

void tearDown(void)
{
}

void test_convert(void) {

   /* Arrange */

    int length   = 10;
    float euro[] = {34, 233, 400, 100, 45, 344, 767.32, 122, 435, 899};
    
    float expectedUSD[length];
    float expectedGBP[length];
    float expectedYEN[length];
    float expectedYUAN[length];

    float resultUSD[length];
    float resultGBP[length];
    float resultYEN[length];
    float resultYUAN[length];

    for (int i = 0; i < length; i++) {
        expectedUSD[i] = euro[i] * USD_RATE_OF_ONE_EURO;
        expectedGBP[i] = euro[i] * GBP_RATE_OF_ONE_EURO;
        expectedYEN[i] = euro[i] * JAPANESE_YEN_RATE_OF_ONE_EURO;
        expectedYUAN[i] = euro[i] * CHINESE_YUAN_RATE_OF_ONE_EURO;
    }

   /* Act */

    for (int i = 0; i < length; i++) {
        resultUSD[i] = convert(euro[i], CURRENCY_CODE_USD);
        resultGBP[i] = convert(euro[i], CURRENCY_CODE_GBP);
        resultYEN[i] = convert(euro[i], CURRENCY_CODE_JAPANESE_YEN);
        resultYUAN[i] = convert(euro[i], CURRENCY_CODE_CHINESE_YUAN);
    }

   /* Assert*/

    for (int i = 0; i < length; i++) {
        TEST_ASSERT_EQUAL_FLOAT(expectedUSD[i], resultUSD[i]);
        TEST_ASSERT_EQUAL_FLOAT(expectedGBP[i], resultGBP[i]);
        TEST_ASSERT_EQUAL_FLOAT(expectedYEN[i], resultYEN[i]);
        TEST_ASSERT_EQUAL_FLOAT(expectedYUAN[i], resultYUAN[i]);
    }
}


#endif // TEST