wizapp-stdlib/tests/queue/test_queue.c

// vim:fileencoding=utf-8:foldmethod=marker

#include "wapp.h"
#include "test_queue.h"

#define CAPACITY 8

WpTestFuncResult test_queue_push(void) {
	WpI32Queue queue = wpQueue(i32, CAPACITY);

	for (u64 i = 0; i < CAPACITY; ++i) {
		i32 item = (i32)i;
		wpQueuePush(i32, &queue, &item);
	}

	b8 result = true;
	for (u64 i = 0; i < CAPACITY; ++i) {
		i32 *value = ((i32 *)(queue.items)) + i;
		result = result && value != NULL && *value == (i32)i;
	}

	return wpTesterResult(result);
}

WpTestFuncResult test_queue_push_alloc(void) {
	WpAllocator arena = wpMemArenaAllocatorInit(MiB(64));
	WpI32Queue queue  = wpQueue(i32, CAPACITY);

	for (u64 i = 0; i < CAPACITY; ++i) {
		i32 item = (i32)i;
		wpQueuePush(i32, &queue, &item);
	}

	b8 result = true;
	i32 item  = 8;
	u64 new_capacity = CAPACITY * 2;
	WpI32Queue *new_queue = wpQueuePushAlloc(i32, &arena, &queue, &item);
	if (new_queue && new_queue != &queue) {
		queue = *new_queue;
	}
	u64 capacity = wpQueueCapacity(&queue);
	result = result && capacity == new_capacity;

	for (u64 i = 0; i < 2; ++i) {
		wpQueuePop(i32, &queue);
	}

	u64 remaining = wpQueueCapacity(&queue) - queue.count;
	for (u64 i = 0; i < remaining; ++i) {
		item = (i32)(remaining + i);
		wpQueuePush(i32, &queue, &item);
	}

	++item;
	new_queue = wpQueuePushAlloc(i32, &arena, &queue, &item);
	if (new_queue && new_queue != &queue) {
		queue = *new_queue;
	}

	result = result && wpQueueCapacity(&queue) == new_capacity * 2;

	i32 *arr = (i32 *)queue.items;
	for (u64 i = 0; i < queue.count; ++i) {
		// NOTE (Abdelrahman): First queue value is currently 2
		result = result && arr[i] == (i32)(2 + i);
	}

	wpMemArenaAllocatorDestroy(&arena);

	return wpTesterResult(result);
}

WpTestFuncResult test_queue_pop(void) {
	WpI32Queue queue = wpQueue(i32, CAPACITY);
	for (u64 i = 0; i < CAPACITY; ++i) {
		i32 item = (i32)i;
		wpQueuePush(i32, &queue, &item);
	}

	b8 result      = true;
	u64 half_count = queue.count / 2;
	for (u64 i = 0; i < half_count; ++i) {
		i32 *value = wpQueuePop(i32, &queue);
		result = result && value != NULL && *value == (i32)i;
	}

	for (u64 i = 0; i < half_count; ++i) {
		i32 item = (i32)i + CAPACITY;
		wpQueuePush(i32, &queue, &item);
	}

	for (u64 i = 0; i < CAPACITY; ++i) {
		i32 *value = wpQueuePop(i32, &queue);
		result = result && value != NULL && *value == (i32)half_count + (i32)i;
	}

	return wpTesterResult(result);
}