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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2016 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

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

#include "base64.h"

#include <ucx/string.h>
#include <libidav/utils.h>

UCX_TEST(test_util_base64decode) {
    char *s1 = util_base64decode("YWJj");
    char *s2 = util_base64decode("aGVsbG8gd29ybGQ=");
    char *s3 = util_base64decode("MA==");
    char *s4 = util_base64decode("MHh4MQ==");
    
    UCX_TEST_BEGIN;
    
    UCX_TEST_ASSERT(!strcmp(s1, "abc"), "s1 wrong");
    UCX_TEST_ASSERT(!strcmp(s2, "hello world"), "s2 wrong");
    UCX_TEST_ASSERT(!strcmp(s3, "0"), "s3 wrong");
    UCX_TEST_ASSERT(!strcmp(s4, "0xx1"), "s4 wrong");
    
    UCX_TEST_END;
    
    free(s1);
    free(s2);
    free(s3);
    free(s4);
}

UCX_TEST(test_util_base64decode_len) {
    int len1, len2, len3, len4, len5, len6;
    char *s1 = util_base64decode_len("aGVsbG8=", &len1); // 5
    char *s2 = util_base64decode_len("MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTIzNDU2Nzg5", &len2); // 30
    char *s3 = util_base64decode_len("Lg==", &len3); // 1
    char *s4 = util_base64decode_len("bG9s", &len4); // 3
    char *s5 = util_base64decode_len("YWJjLS0tLS0tM3g=", &len5); // 11
    char *s6 = util_base64decode_len("YWJjZGVmZy4uLjs7MGhlbGxv", &len6); // 18
    
    UCX_TEST_BEGIN;
    
    UCX_TEST_ASSERT(!strcmp(s1, "hello"), "s1 wrong");
    UCX_TEST_ASSERT(len1 == 5, "len1 wrong");
    
    UCX_TEST_ASSERT(!strcmp(s2, "012345678901234567890123456789"), "s2 wrong");
    UCX_TEST_ASSERT(len2 == 30, "len2 wrong");
    
    UCX_TEST_ASSERT(!strcmp(s3, "."), "s3 wrong");
    UCX_TEST_ASSERT(len3 == 1, "len3 wrong");
    
    UCX_TEST_ASSERT(!strcmp(s4, "lol"), "s4 wrong");
    UCX_TEST_ASSERT(len4 == 3, "len4 wrong");
    
    UCX_TEST_ASSERT(!strcmp(s5, "abc------3x"), "s5 wrong");
    UCX_TEST_ASSERT(len5 == 11, "len5 wrong");
    
    UCX_TEST_ASSERT(!strcmp(s6, "abcdefg...;;0hello"), "s6 failed");
    UCX_TEST_ASSERT(len6 == 18, "len6 wrong");
    
    UCX_TEST_END;
    
    free(s1);
    free(s2);
    free(s3);
    free(s4);
    free(s5);
    free(s6);
}

UCX_TEST(test_util_base64encode) {  
    char *str1 = "hello world";
    char *str2 = "test string";
    char *str3 = "01234567890123456789012345678901234567890123456789";
    char str4[8];
    str4[0] = 0;
    str4[1] = 12;
    str4[2] = 3;
    str4[3] = 50;
    str4[4] = 2;
    str4[5] = 110;
    str4[6] = 63;
    str4[7] = 1;
    
    char *str5 = "a";
    char *str6 = "ab";
    char *str7 = "abc";
    char *str8 = "abcd";
    char *str9 = "abcde";
    char *str10 = "abcdef";
    
    char *b1 = util_base64encode(str1, strlen(str1));
    char *b2 = util_base64encode(str2, strlen(str2));
    char *b3 = util_base64encode(str3, strlen(str3));
    char *b4 = util_base64encode(str4, 8);
    char *b5 = util_base64encode(str5, strlen(str5));
    char *b6 = util_base64encode(str6, strlen(str6));
    char *b7 = util_base64encode(str7, strlen(str7));
    char *b8 = util_base64encode(str8, strlen(str8));
    char *b9 = util_base64encode(str9, strlen(str9));
    char *b10 = util_base64encode(str10, strlen(str10));
    
    UCX_TEST_BEGIN;
    
    UCX_TEST_ASSERT(!strcmp(b1, "aGVsbG8gd29ybGQ="), "b1 failed");
    UCX_TEST_ASSERT(!strcmp(b2, "dGVzdCBzdHJpbmc="), "b2 failed");
    UCX_TEST_ASSERT(!strcmp(b3, "MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTIzNDU2Nzg5MDEyMzQ1Njc4OTAxMjM0NTY3ODk="), "b3 failed");
    UCX_TEST_ASSERT(!strcmp(b4, "AAwDMgJuPwE="), "b4 failed");
    
    UCX_TEST_ASSERT(!strcmp(b5, "YQ=="), "b5 failed");
    UCX_TEST_ASSERT(!strcmp(b6, "YWI="), "b6 failed");
    UCX_TEST_ASSERT(!strcmp(b7, "YWJj"), "b7 failed");
    UCX_TEST_ASSERT(!strcmp(b8, "YWJjZA=="), "b8 failed");
    UCX_TEST_ASSERT(!strcmp(b9, "YWJjZGU="), "b9 failed");
    UCX_TEST_ASSERT(!strcmp(b10, "YWJjZGVm"), "b10 failed");
    
    UCX_TEST_END;
    
    free(b1);
    free(b2);
    free(b3);
    free(b4);
    free(b5);
    free(b6);
    free(b7);
    free(b8);
    free(b9);
    free(b10);
}