cscg24-guacamole

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

convert.c (4305B)

      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 "common/iconv.h"
     21#include "convert-test-data.h"
     22
     23#include <CUnit/CUnit.h>
     24#include <stdio.h>
     25
     26/**
     27 * Tests that conversion between character sets using the given guac_iconv_read
     28 * and guac_iconv_write implementations matches expectations.
     29 *
     30 * @param reader
     31 *     The guac_iconv_read implementation to use to read the input string.
     32 *
     33 * @param in_string
     34 *     A pointer to the test_string structure describing the input string being
     35 *     tested.
     36 *
     37 * @param writer
     38 *     The guac_iconv_write implementation to use to write the output string
     39 *     (the converted input string).
     40 *
     41 * @param out_string
     42 *     A pointer to the test_string structure describing the expected result of
     43 *     the conversion.
     44 */
     45static void verify_conversion(
     46        guac_iconv_read* reader,  test_string* in_string,
     47        guac_iconv_write* writer, test_string* out_string) {
     48
     49    char output[4096];
     50    char input[4096];
     51
     52    const char* current_input = input;
     53    char* current_output = output;
     54
     55    memcpy(input, in_string->buffer, in_string->size);
     56    guac_iconv(reader, &current_input,  sizeof(input),
     57               writer, &current_output, sizeof(output));
     58
     59    /* Verify output length */
     60    CU_ASSERT_EQUAL(out_string->size, current_output - output);
     61
     62    /* Verify entire input read */
     63    CU_ASSERT_EQUAL(in_string->size, current_input - input);
     64
     65    /* Verify output content */
     66    CU_ASSERT_EQUAL(0, memcmp(output, out_string->buffer, out_string->size));
     67
     68}
     69
     70/**
     71 * Test which verifies that every supported encoding can be correctly converted
     72 * to every other supported encoding, with all line endings preserved verbatim
     73 * (not normalized).
     74 */
     75void test_iconv__preserve() {
     76    for (int i = 0; i < NUM_SUPPORTED_ENCODINGS; i++) {
     77        for (int j = 0; j < NUM_SUPPORTED_ENCODINGS; j++) {
     78
     79            encoding_test_parameters* from = &test_params[i];
     80            encoding_test_parameters* to = &test_params[j];
     81
     82            printf("# \"%s\" -> \"%s\" ...\n", from->name, to->name);
     83            verify_conversion(from->reader, &from->test_mixed,
     84                    to->writer, &to->test_mixed);
     85
     86        }
     87    }
     88}
     89
     90/**
     91 * Test which verifies that every supported encoding can be correctly converted
     92 * to every other supported encoding, normalizing all line endings to
     93 * Unix-style line endings.
     94 */
     95void test_iconv__normalize_unix() {
     96    for (int i = 0; i < NUM_SUPPORTED_ENCODINGS; i++) {
     97        for (int j = 0; j < NUM_SUPPORTED_ENCODINGS; j++) {
     98
     99            encoding_test_parameters* from = &test_params[i];
    100            encoding_test_parameters* to = &test_params[j];
    101
    102            printf("# \"%s\" -> \"%s\" ...\n", from->name, to->name);
    103            verify_conversion(from->reader_normalized, &from->test_mixed,
    104                    to->writer, &to->test_unix);
    105
    106        }
    107    }
    108}
    109
    110/**
    111 * Test which verifies that every supported encoding can be correctly converted
    112 * to every other supported encoding, normalizing all line endings to
    113 * Windows-style line endings.
    114 */
    115void test_iconv__normalize_crlf() {
    116    for (int i = 0; i < NUM_SUPPORTED_ENCODINGS; i++) {
    117        for (int j = 0; j < NUM_SUPPORTED_ENCODINGS; j++) {
    118
    119            encoding_test_parameters* from = &test_params[i];
    120            encoding_test_parameters* to = &test_params[j];
    121
    122            printf("# \"%s\" -> \"%s\" ...\n", from->name, to->name);
    123            verify_conversion(from->reader_normalized, &from->test_mixed,
    124                    to->writer_crlf, &to->test_windows);
    125
    126        }
    127    }
    128}
    129