76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <setjmp.h>
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#include <stdlib.h>
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#include <cmocka.h>
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#include "gy521_driver.h"
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#define WRITE_BIT (1<<7)
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uint8_t fake_twi_addr = 0x0;
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uint8_t fake_twi_data[16] = {0x0};
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/* Fake Object for TWI_TX*/
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void fake_twi_tx(uint8_t slave_addr, uint8_t *data, uint8_t size)
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{
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fake_twi_addr = slave_addr;
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}
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/* Fake Object for TWI_RX*/
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void fake_twi_rx(uint8_t slave_addr, uint8_t *data, uint8_t size)
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{
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fake_twi_addr = slave_addr;
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for(int i = 0; i < size; i++) {
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*data++ = fake_twi_data[i];
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}
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}
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/*Setup the fake twi*/
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void (*gy521_twi_tx)(uint8_t, uint8_t*, uint8_t) = &fake_twi_tx;
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void (*gy521_twi_rx)(uint8_t, uint8_t*, uint8_t) = &fake_twi_rx;
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/* Tests the donothing function */
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static void test_gy521_init(void **state) {
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gy521_module *m = gy521_new();
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assert_false(gy521_init(m, 0x0));
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assert_false(gy521_init(m, 0x67));
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assert_false(gy521_init(m, 0x6A));
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/*Check for it's confirmation of the right twi device*/
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assert_false(gy521_init(m, TWI_GY521_ADDR1));
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/*Now give it the correct response*/
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fake_twi_data[0] = TWI_GY521_ADDR1;
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assert_true(gy521_init(m, TWI_GY521_ADDR1));
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assert_true(TWI_GY521_ADDR1 == fake_twi_addr);
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fake_twi_data[0] = TWI_GY521_ADDR2;
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assert_true(gy521_init(m, TWI_GY521_ADDR2));
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assert_true(TWI_GY521_ADDR2 == fake_twi_addr);
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gy521_free(m);
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}
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static void test_gy521_update(void **sate)
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{
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assert_false(1);
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}
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int main(void)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_gy521_init),
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cmocka_unit_test(test_gy521_update),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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