unicstl/test/test_stack.c

#include "stack.h"

static void print_num(void* obj)
{
	printf("(%2d ) ", *(int*)obj);
}

static void stack_test_num(void)
{
	uint32_t i = 0;
	int data[] = { 1,2,3,4,5,6,7,8,9,10 };
	int temp = 0;
	uint32_t len = sizeof(data) / sizeof(data[0]);

	struct _stack s;
	stack_init(&s, sizeof(int));
	s.print_obj = print_num;

	printf("\n\n----- stack_test_num -----\n");
	// get top if stack is empty
	s.peek(&s, &temp);

	printf("----- push -----\n");
	for (i = 0; i < len; i++)
	{
		s.push(&s, &data[i]);

		s.peek(&s, &temp);

		printf("top = ");
		s.print_obj(&temp);

		printf("size = %2d\n", s.size(&s));
	}
	printf("----- print -----\n");
	s.print(&s);
	printf("\n");

	printf("----- pop -----\n");
	for (i = 0; i < len + 1; i++)
	{
		if (true == s.pop(&s, &temp))
		{
			printf("pop = ");
			s.print_obj(&temp);

			if (s.peek(&s, &temp))
			{
				printf("top = ");
				s.print_obj(&temp);
			}

			printf("size = %2d\n", s.size(&s));
		}
		else
		{
			printf("pop failed! because stack is empty\n");
		}

		if (s.empty(&s))
		{
			printf("----- empty -----\n");
		}
	}

	s.destory(&s);
}

static void print_char(void* obj)
{
	printf("(%2c ) ", *(char*)obj);
}

static void stack_test_char(void)
{
	uint32_t i = 0;
	char data[] = "abcdefghijk";
	char temp = 0;
	uint32_t len = sizeof(data) / sizeof(data[0]) - 1;

	struct _stack s;
	stack2_init(&s, sizeof(char));
	s.print_obj = print_char;

	printf("\n\n----- stack_test_char -----\n");
	// get top if stack is empty
	s.peek(&s, &temp);

	printf("----- push -----\n");
	for (i = 0; i < len; i++)
	{
		s.push(&s, &data[i]);

		s.peek(&s, &temp);
		printf("top = ");
		s.print_obj(&temp);

		printf("size = %2d\n", s.size(&s));
	}
	printf("----- print -----\n");
	s.print(&s);
	printf("\n");

	printf("----- pop -----\n");
	for (i = 0; i < len + 1; i++)
	{
		if (true == s.pop(&s, &temp))
		{
			printf("pop = ");
			s.print_obj(&temp);

			if (s.peek(&s, &temp))
			{
				printf("top = ");
				s.print_obj(&temp);
			}

			printf("size = %2d\n", s.size(&s));
		}
		else
		{
			printf("pop failed! because stack is empty\n");
		}

		if (s.empty(&s))
		{
			printf("----- empty -----\n");
		}
	}

	s.destory(&s);
}


struct _student
{
	char name[16];
	int id;
};

static void print_struct(void* obj)
{
	struct _student* student = (struct _student*)obj;
	printf("(%2d:%-5s ) ", student->id, student->name);
}

static void stack_test_struct(void)
{
	uint32_t i = 0;
	struct _student data[] = {
		{"zhao", 1001},{"qian", 1002}, {"sun", 1003}, {"li", 1004},
		"zhou", 1005, "wu", 1006, "zheng", 1007, "wang", 1008,
	};
	struct _student temp = { 0 };
	uint32_t len = sizeof(data) / sizeof(data[0]);

	struct _stack s;
	stack_init(&s, sizeof(struct _student));
	s.print_obj = print_struct;

	printf("\n\n----- stack_test_struct -----\n");
	// get top if stack is empty
	s.peek(&s, &temp);

	printf("----- push -----\n");
	for (i = 0; i < len; i++)
	{
		s.push(&s, &data[i]);

		s.peek(&s, &temp);
		printf("top = ");
		s.print_obj(&temp);

		printf("size = %2d\n", s.size(&s));
	}
	printf("----- print -----\n");
	s.print(&s);
	printf("\n");

	printf("----- clear -----\n");
	s.clear(&s);
	printf("----- print -----\n");
	s.print(&s);
	printf("\n");

	printf("----- push -----\n");
	for (i = 0; i < len; i++)
	{
		s.push(&s, &data[i]);
	}

	printf("----- pop -----\n");
	for (i = 0; i < len + 1; i++)
	{
		if (true == s.pop(&s, &temp))
		{
			printf("pop = ");
			s.print_obj(&temp);

			if (s.peek(&s, &temp))
			{
				printf("top = ");
				s.print_obj(&temp);
			}

			printf("size = %2d\n", s.size(&s));
		}
		else
		{
			printf("pop failed! because stack is empty\n");
		}

		if (s.empty(&s))
		{
			printf("----- empty -----\n");
		}
	}

	s.destory(&s);
}

void stack_test(void)
{
	stack_test_num();
	stack_test_char();
	stack_test_struct();
}