mirror of
https://github.com/RGBCube/serenity
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113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <assert.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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static void assert_env(const char* name, const char* value)
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{
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char* result = getenv(name);
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if (!result) {
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perror("getenv");
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printf("(When reading value for '%s'; we expected '%s'.)\n", name, value);
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ASSERT(false);
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}
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if (strcmp(result, value) != 0) {
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printf("Expected '%s', got '%s' instead.\n", value, result);
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ASSERT(false);
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}
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}
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static void test_getenv_preexisting()
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{
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assert_env("HOME", "/home/anon");
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}
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static void test_puttenv()
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{
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char* to_put = strdup("PUTENVTEST=HELLOPUTENV");
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int rc = putenv(to_put);
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if (rc) {
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perror("putenv");
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ASSERT(false);
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}
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assert_env("PUTENVTEST", "HELLOPUTENV");
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// Do not free `to_put`!
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}
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static void test_settenv()
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{
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int rc = setenv("SETENVTEST", "HELLO SETENV!", 0);
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if (rc) {
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perror("setenv");
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ASSERT(false);
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}
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// This used to trigger a very silly bug! :)
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assert_env("SETENVTEST", "HELLO SETENV!");
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rc = setenv("SETENVTEST", "How are you today?", 0);
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if (rc) {
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perror("setenv");
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ASSERT(false);
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}
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assert_env("SETENVTEST", "HELLO SETENV!");
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rc = setenv("SETENVTEST", "Goodbye, friend!", 1);
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if (rc) {
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perror("setenv");
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ASSERT(false);
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}
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assert_env("SETENVTEST", "Goodbye, friend!");
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}
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static void test_settenv_overwrite_empty()
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{
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int rc = setenv("EMPTYTEST", "Forcefully overwrite non-existing envvar", 1);
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if (rc) {
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perror("setenv");
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ASSERT(false);
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}
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assert_env("EMPTYTEST", "Forcefully overwrite non-existing envvar");
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}
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int main(int, char**)
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{
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#define RUNTEST(x) \
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{ \
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printf("Running " #x " ...\n"); \
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x(); \
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printf("Success!\n"); \
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}
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RUNTEST(test_getenv_preexisting);
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RUNTEST(test_puttenv);
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RUNTEST(test_settenv);
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RUNTEST(test_settenv_overwrite_empty);
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printf("PASS\n");
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return 0;
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}
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