Tibor Nagy
35 lines
803 B
C
35 lines
803 B
C
#include <stdlib.h>
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#include <stdio.h>
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#include "test_helpers.h"
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int main(void) {
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// Uninitialized generator
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int rand_uninit = rand();
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printf("%d\n", rand_uninit);
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// Testing the reproducibility of values
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srand(259);
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int rand_seed259_1 = rand();
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printf("%d\n", rand_seed259_1);
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srand(259);
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int rand_seed259_2 = rand();
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printf("%d\n", rand_seed259_2);
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if (rand_seed259_1 != rand_seed259_2) {
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puts("rand() doesn't return reproducible values");
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exit(EXIT_FAILURE);
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}
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// Seed value 1 should return the same values as the ininitialized generator
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srand(1);
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int rand_seed1 = rand();
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printf("%d\n", rand_seed1);
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if (rand_uninit != rand_seed1) {
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puts("srand(1) doesn't work");
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exit(EXIT_FAILURE);
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}
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}
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