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#include "common.h"
#include <assert.h>
#include "util/vecdeque.h"
#define pr(pv) \
({ \
fprintf(stderr, "cap=%lu origin=%lu size=%lu\n", (pv)->cap, (pv)->origin, (pv)->size); \
for (size_t i = 0; i < (pv)->cap; ++i) \
fprintf(stderr, "%d ", (pv)->data[i]); \
fprintf(stderr, "\n"); \
})
static void test_vecdeque_push_pop(void) {
struct SC_VECDEQUE(int) vdq = SC_VECDEQUE_INITIALIZER;
assert(sc_vecdeque_is_empty(&vdq));
assert(sc_vecdeque_size(&vdq) == 0);
bool ok = sc_vecdeque_push(&vdq, 5);
assert(ok);
assert(sc_vecdeque_size(&vdq) == 1);
ok = sc_vecdeque_push(&vdq, 12);
assert(ok);
assert(sc_vecdeque_size(&vdq) == 2);
int v = sc_vecdeque_pop(&vdq);
assert(v == 5);
assert(sc_vecdeque_size(&vdq) == 1);
ok = sc_vecdeque_push(&vdq, 7);
assert(ok);
assert(sc_vecdeque_size(&vdq) == 2);
int *p = sc_vecdeque_popref(&vdq);
assert(p);
assert(*p == 12);
assert(sc_vecdeque_size(&vdq) == 1);
v = sc_vecdeque_pop(&vdq);
assert(v == 7);
assert(sc_vecdeque_size(&vdq) == 0);
assert(sc_vecdeque_is_empty(&vdq));
sc_vecdeque_destroy(&vdq);
}
static void test_vecdeque_reserve(void) {
struct SC_VECDEQUE(int) vdq = SC_VECDEQUE_INITIALIZER;
bool ok = sc_vecdeque_reserve(&vdq, 20);
assert(ok);
assert(vdq.cap == 20);
assert(sc_vecdeque_size(&vdq) == 0);
for (size_t i = 0; i < 20; ++i) {
ok = sc_vecdeque_push(&vdq, i);
assert(ok);
}
assert(sc_vecdeque_size(&vdq) == 20);
// It is now full
for (int i = 0; i < 5; ++i) {
int v = sc_vecdeque_pop(&vdq);
assert(v == i);
}
assert(sc_vecdeque_size(&vdq) == 15);
for (int i = 20; i < 25; ++i) {
ok = sc_vecdeque_push(&vdq, i);
assert(ok);
}
assert(sc_vecdeque_size(&vdq) == 20);
assert(vdq.cap == 20);
// Now, the content wraps around the ring buffer:
// 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
// ^
// origin
// It is now full, let's reserve some space
ok = sc_vecdeque_reserve(&vdq, 30);
assert(ok);
assert(vdq.cap == 30);
assert(sc_vecdeque_size(&vdq) == 20);
for (int i = 0; i < 20; ++i) {
// We should retrieve the items we inserted in order
int v = sc_vecdeque_pop(&vdq);
assert(v == i + 5);
}
assert(sc_vecdeque_size(&vdq) == 0);
sc_vecdeque_destroy(&vdq);
}
static void test_vecdeque_grow(void) {
struct SC_VECDEQUE(int) vdq = SC_VECDEQUE_INITIALIZER;
bool ok = sc_vecdeque_reserve(&vdq, 20);
assert(ok);
assert(vdq.cap == 20);
assert(sc_vecdeque_size(&vdq) == 0);
for (int i = 0; i < 500; ++i) {
ok = sc_vecdeque_push(&vdq, i);
assert(ok);
}
assert(sc_vecdeque_size(&vdq) == 500);
for (int i = 0; i < 100; ++i) {
int v = sc_vecdeque_pop(&vdq);
assert(v == i);
}
assert(sc_vecdeque_size(&vdq) == 400);
for (int i = 500; i < 1000; ++i) {
ok = sc_vecdeque_push(&vdq, i);
assert(ok);
}
assert(sc_vecdeque_size(&vdq) == 900);
for (int i = 100; i < 1000; ++i) {
int v = sc_vecdeque_pop(&vdq);
assert(v == i);
}
assert(sc_vecdeque_size(&vdq) == 0);
sc_vecdeque_destroy(&vdq);
}
static void test_vecdeque_push_hole(void) {
struct SC_VECDEQUE(int) vdq = SC_VECDEQUE_INITIALIZER;
bool ok = sc_vecdeque_reserve(&vdq, 20);
assert(ok);
assert(vdq.cap == 20);
assert(sc_vecdeque_size(&vdq) == 0);
for (int i = 0; i < 20; ++i) {
int *p = sc_vecdeque_push_hole(&vdq);
assert(p);
*p = i * 10;
}
assert(sc_vecdeque_size(&vdq) == 20);
for (int i = 0; i < 10; ++i) {
int v = sc_vecdeque_pop(&vdq);
assert(v == i * 10);
}
assert(sc_vecdeque_size(&vdq) == 10);
for (int i = 20; i < 30; ++i) {
int *p = sc_vecdeque_push_hole(&vdq);
assert(p);
*p = i * 10;
}
assert(sc_vecdeque_size(&vdq) == 20);
for (int i = 10; i < 30; ++i) {
int v = sc_vecdeque_pop(&vdq);
assert(v == i * 10);
}
assert(sc_vecdeque_size(&vdq) == 0);
sc_vecdeque_destroy(&vdq);
}
int main(int argc, char *argv[]) {
(void) argc;
(void) argv;
test_vecdeque_push_pop();
test_vecdeque_reserve();
test_vecdeque_grow();
test_vecdeque_push_hole();
return 0;
}
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