base64_test.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>

#include "weecrypt.h"

int
main(void)
{
    unsigned char text[256] = { 0 };
    for (unsigned i = 0; i < 256; ++i)
	text[i] = i;
    for (unsigned i = 1; i <= sizeof(text); ++i) {
	char *encode = base64_encode(text, i);
	assert(encode != NULL);

	unsigned decode_len = 0;
	char *decode = base64_decode(encode, &decode_len);
	assert(decode != NULL);

	int bad = 0;
	if (decode_len != i) {
	    printf("%u: decode_len=%u i=%u\n", i, decode_len, i);
	    bad = 1;
	}
	if (memcmp(text, decode, i) != 0) {
	    printf("%u: text and decode differ!", i);
	    bad = 1;
	}
	if (bad) {
	    printf("Original:");
	    for (unsigned j = 0; j < i; ++j) {
		if (j % 8 == 0) {
		    printf("\n");
		}
		printf("  0x%02X", text[j]);
	    }
	    printf("\n");
	    printf("Encoded: %s\n", encode);
	    printf("Decoded:");
	    for (unsigned j = 0; j < decode_len; ++j) {
		if (j % 8 == 0) {
		    printf("\n");
		}
		printf("  0x%02X", ((unsigned char *)decode)[j]);
	    }
	    printf("\n");
	}

	free(encode);
	free(decode);
    }

    return 0;
}