cscg24-guacamole

CSCG 2024 Challenge 'Guacamole Mashup'
git clone https://git.sinitax.com/sinitax/cscg24-guacamole
Log | Files | Refs | sfeed.txt

base64_decode.c (1955B)

      1/*
      2 * Licensed to the Apache Software Foundation (ASF) under one
      3 * or more contributor license agreements.  See the NOTICE file
      4 * distributed with this work for additional information
      5 * regarding copyright ownership.  The ASF licenses this file
      6 * to you under the Apache License, Version 2.0 (the
      7 * "License"); you may not use this file except in compliance
      8 * with the License.  You may obtain a copy of the License at
      9 *
     10 *   http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing,
     13 * software distributed under the License is distributed on an
     14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     15 * KIND, either express or implied.  See the License for the
     16 * specific language governing permissions and limitations
     17 * under the License.
     18 */
     19
     20#include <CUnit/CUnit.h>
     21#include <guacamole/protocol.h>
     22
     23/**
     24 * Tests that libguac's in-place base64 decoding function properly decodes
     25 * valid base64 and fails for invalid base64.
     26 */
     27void test_protocol__decode_base64() {
     28
     29    /* Test strings */
     30    char test_HELLO[]     = "SEVMTE8=";
     31    char test_AVOCADO[]   = "QVZPQ0FETw==";
     32    char test_GUACAMOLE[] = "R1VBQ0FNT0xF";
     33
     34    /* Invalid strings */
     35    char invalid1[] = "====";
     36    char invalid2[] = "";
     37
     38    /* Test one character of padding */
     39    CU_ASSERT_EQUAL(guac_protocol_decode_base64(test_HELLO), 5);
     40    CU_ASSERT_NSTRING_EQUAL(test_HELLO, "HELLO", 5);
     41
     42    /* Test two characters of padding */
     43    CU_ASSERT_EQUAL(guac_protocol_decode_base64(test_AVOCADO), 7);
     44    CU_ASSERT_NSTRING_EQUAL(test_AVOCADO, "AVOCADO", 7);
     45
     46    /* Test three characters of padding */
     47    CU_ASSERT_EQUAL(guac_protocol_decode_base64(test_GUACAMOLE), 9);
     48    CU_ASSERT_NSTRING_EQUAL(test_GUACAMOLE, "GUACAMOLE", 9);
     49
     50    /* Verify invalid strings stop early as expected */
     51    CU_ASSERT_EQUAL(guac_protocol_decode_base64(invalid1), 0);
     52    CU_ASSERT_EQUAL(guac_protocol_decode_base64(invalid2), 0);
     53
     54}
     55