mirror of https://github.com/tailix/libkernaux.git
46 lines
937 B
C
46 lines
937 B
C
#include <kernaux/printf.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define BUFFER_SIZE 1024
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static char buffer[BUFFER_SIZE];
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static unsigned int buffer_index;
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static void test_putchar(const char chr)
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{
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if (buffer_index >= BUFFER_SIZE) {
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printf("Buffer overflow!\n");
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abort();
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}
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buffer[buffer_index++] = chr;
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}
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static void test(const char *const expected, const char *const format, ...)
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{
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memset(buffer, '\0', sizeof(buffer));
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buffer_index = 0;
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va_list va;
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va_start(va, format);
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kernaux_printf_va(test_putchar, format, va);
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va_end(va);
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assert(strcmp(expected, buffer) == 0);
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}
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int main()
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{
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memset(buffer, '\0', sizeof(buffer));
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buffer_index = 0;
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kernaux_printf(test_putchar, "Hello, World!");
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assert(strcmp("Hello, World!", buffer) == 0);
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test("", "");
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test("Hello, World!", "Hello, World!");
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return 0;
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}
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