92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
#include "test-lib.h"
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#include "prio-queue.h"
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static int intcmp(const void *va, const void *vb, void *data UNUSED)
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{
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const int *a = va, *b = vb;
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return *a - *b;
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}
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#define MISSING -1
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#define DUMP -2
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#define STACK -3
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#define GET -4
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#define REVERSE -5
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static int show(int *v)
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{
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return v ? *v : MISSING;
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}
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static void test_prio_queue(int *input, size_t input_size,
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int *result, size_t result_size)
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{
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struct prio_queue pq = { intcmp };
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int j = 0;
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for (int i = 0; i < input_size; i++) {
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void *peek, *get;
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switch(input[i]) {
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case GET:
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peek = prio_queue_peek(&pq);
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get = prio_queue_get(&pq);
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if (!check(peek == get))
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return;
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if (!check_uint(j, <, result_size))
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break;
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if (!check_int(result[j], ==, show(get)))
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test_msg(" j: %d", j);
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j++;
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break;
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case DUMP:
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while ((peek = prio_queue_peek(&pq))) {
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get = prio_queue_get(&pq);
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if (!check(peek == get))
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return;
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if (!check_uint(j, <, result_size))
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break;
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if (!check_int(result[j], ==, show(get)))
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test_msg(" j: %d", j);
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j++;
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}
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break;
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case STACK:
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pq.compare = NULL;
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break;
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case REVERSE:
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prio_queue_reverse(&pq);
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break;
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default:
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prio_queue_put(&pq, &input[i]);
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break;
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}
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}
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check_uint(j, ==, result_size);
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clear_prio_queue(&pq);
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}
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#define TEST_INPUT(input, result) \
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test_prio_queue(input, ARRAY_SIZE(input), result, ARRAY_SIZE(result))
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int cmd_main(int argc UNUSED, const char **argv UNUSED)
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{
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TEST(TEST_INPUT(((int []){ 2, 6, 3, 10, 9, 5, 7, 4, 5, 8, 1, DUMP }),
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((int []){ 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 10 })),
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"prio-queue works for basic input");
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TEST(TEST_INPUT(((int []){ 6, 2, 4, GET, 5, 3, GET, GET, 1, DUMP }),
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((int []){ 2, 3, 4, 1, 5, 6 })),
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"prio-queue works for mixed put & get commands");
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TEST(TEST_INPUT(((int []){ 1, 2, GET, GET, GET, 1, 2, GET, GET, GET }),
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((int []){ 1, 2, MISSING, 1, 2, MISSING })),
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"prio-queue works when queue is empty");
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TEST(TEST_INPUT(((int []){ STACK, 8, 1, 5, 4, 6, 2, 3, DUMP }),
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((int []){ 3, 2, 6, 4, 5, 1, 8 })),
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"prio-queue works when used as a LIFO stack");
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TEST(TEST_INPUT(((int []){ STACK, 1, 2, 3, 4, 5, 6, REVERSE, DUMP }),
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((int []){ 1, 2, 3, 4, 5, 6 })),
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"prio-queue works when LIFO stack is reversed");
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return test_done();
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}
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