6acc28125f
Previous string trimming was changing the strings supplied by MQ to be null-terminated. MQ uses fixed-width strings, and the changes to the data could cause problems in the queue manager.
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
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© Copyright IBM Corporation 2022
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdbool.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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#include "log.h"
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// Headers for multi-threaded tests
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#include <pthread.h>
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// Start a test and log the function name
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#define test_start() printf("=== RUN: %s\n", __func__)
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// Indicate test has passed
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#define test_pass() printf("--- PASS: %s\n", __func__)
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// The length of strings used in the tests
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#define STR_LEN 5
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// Indicate test has failed
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void test_fail(const char *test_name)
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{
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printf("--- FAIL: %s\n", test_name);
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exit(1);
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}
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// Print a fixed-width string in hexadecimal
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void print_hex(char fw_string[STR_LEN])
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{
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printf("[");
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for (int i=0; i<STR_LEN; i++)
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{
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printf("%02x", fw_string[i]);
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if (i < STR_LEN-1)
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printf(",");
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}
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printf("]");
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}
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// ----------------------------------------------------------------------------
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// Tests for string manipulation
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// ----------------------------------------------------------------------------
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void test_trimmed_len(const char *test_name, char fw_string[STR_LEN], int expected_len)
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{
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printf("=== RUN: %s\n", test_name);
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int len;
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// Create a copy of the fixed-width string
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char fw_string2[STR_LEN];
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memcpy(fw_string2, fw_string, STR_LEN * sizeof(char));
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// Call the function under test
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len = trimmed_len(fw_string, STR_LEN);
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// Check the result is correct
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if (len != expected_len)
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{
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printf("%s: Expected result to be %d; got %d\n", __func__, expected_len, len);
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test_fail(test_name);
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}
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// Check that the original string has not been changed
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for (int i=0; i<STR_LEN; i++)
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{
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if (fw_string[i] != fw_string2[i])
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{
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printf("%c-%c\n", fw_string[i], fw_string2[i]);
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printf("%s: Expected string to be identical to input hex ", __func__);
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print_hex(fw_string2);
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printf("; got hex ");
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print_hex(fw_string);
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printf("\n");
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test_fail(test_name);
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}
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}
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printf("--- PASS: %s\n", test_name);
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}
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void test_trimmed_len_normal()
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{
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char fw_string[STR_LEN] = {'a','b','c',' ',' '};
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test_trimmed_len(__func__, fw_string, 3);
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}
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void test_trimmed_len_full()
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{
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char fw_string[STR_LEN] = {'a','b','c','d','e'};
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test_trimmed_len(__func__, fw_string, 5);
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}
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void test_trimmed_len_empty()
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{
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char fw_string[STR_LEN] = {' ',' ',' ',' ',' '};
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test_trimmed_len(__func__, fw_string, 0);
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}
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// ----------------------------------------------------------------------------
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int main()
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{
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// Turn on debugging for the tests
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setenv("DEBUG", "true", true);
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log_init("log_test.log");
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test_trimmed_len_normal();
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test_trimmed_len_full();
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test_trimmed_len_empty();
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log_close();
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} |