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			94 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <AK/Assertions.h>
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| #include <AK/Format.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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| 
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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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|         outln("(When reading value for '{}'; we expected '{}'.)", name, value);
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|         VERIFY(false);
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|     }
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|     if (strcmp(result, value) != 0) {
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|         outln("Expected '{}', got '{}' instead.", value, result);
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|         VERIFY(false);
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|     }
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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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| 
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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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|         VERIFY(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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| 
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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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|         VERIFY(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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| 
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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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|         VERIFY(false);
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|     }
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|     assert_env("SETENVTEST", "HELLO SETENV!");
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| 
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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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|         VERIFY(false);
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|     }
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|     assert_env("SETENVTEST", "Goodbye, friend!");
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| }
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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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|         VERIFY(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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| 
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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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|         outln("Running " #x " ..."); \
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|         x();                         \
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|         outln("Success!");           \
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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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|     outln("PASS");
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| 
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|     return 0;
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| }
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