Sweden-Number/dlls/msvcrt/tests/environ.c

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/*
* Unit tests for C library environment routines
*
* Copyright 2004 Mike Hearn <mh@codeweavers.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "wine/test.h"
#include <stdlib.h>
#include <process.h>
static const char *a_very_long_env_string =
"LIBRARY_PATH="
"C:/Program Files/GLBasic/Compiler/platform/Win32/Bin/../lib/gcc/mingw32/3.4.2/;"
"C:/Program Files/GLBasic/Compiler/platform/Win32/Bin/../lib/gcc/;"
"/mingw/lib/gcc/mingw32/3.4.2/;"
"/usr/lib/gcc/mingw32/3.4.2/;"
"C:/Program Files/GLBasic/Compiler/platform/Win32/Bin/../lib/gcc/mingw32/3.4.2/../../../../mingw32/lib/mingw32/3.4.2/;"
"C:/Program Files/GLBasic/Compiler/platform/Win32/Bin/../lib/gcc/mingw32/3.4.2/../../../../mingw32/lib/;"
"/mingw/mingw32/lib/mingw32/3.4.2/;"
"/mingw/mingw32/lib/;"
"/mingw/lib/mingw32/3.4.2/;"
"/mingw/lib/;"
"C:/Program Files/GLBasic/Compiler/platform/Win32/Bin/../lib/gcc/mingw32/3.4.2/../../../mingw32/3.4.2/;"
"C:/Program Files/GLBasic/Compiler/platform/Win32/Bin/../lib/gcc/mingw32/3.4.2/../../../;"
"/mingw/lib/mingw32/3.4.2/;"
"/mingw/lib/;"
"/lib/mingw32/3.4.2/;"
"/lib/;"
"/usr/lib/mingw32/3.4.2/;"
"/usr/lib/";
static char ***(__cdecl *p__p__environ)(void);
static WCHAR ***(__cdecl *p__p__wenviron)(void);
static void (*p_get_environ)(char ***);
static void (*p_get_wenviron)(WCHAR ***);
static char ***p_environ;
static WCHAR ***p_wenviron;
static void init(void)
{
HMODULE hmod = GetModuleHandleA("msvcrt.dll");
p__p__environ = (void *)GetProcAddress(hmod, "__p__environ");
p__p__wenviron = (void *)GetProcAddress(hmod, "__p__wenviron");
p_environ = (void *)GetProcAddress(hmod, "_environ");
p_wenviron = (void *)GetProcAddress(hmod, "_wenviron");
p_get_environ = (void *)GetProcAddress(hmod, "_get_environ");
p_get_wenviron = (void *)GetProcAddress(hmod, "_get_wenviron");
}
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static void test_system(void)
{
int ret = system(NULL);
ok(ret == 1, "Expected system to return 1, got %d\n", ret);
ret = system("echo OK");
ok(ret == 0, "Expected system to return 0, got %d\n", ret);
}
static void test__environ(void)
{
int argc;
char **argv, **envp = NULL;
int i, mode = 0;
ok( p_environ != NULL, "Expected the pointer to _environ to be non-NULL\n" );
if (p_environ)
ok( *p_environ != NULL, "Expected _environ to be initialized on startup\n" );
if (!p_environ || !*p_environ)
{
skip( "_environ pointers are not valid\n" );
return;
}
/* Examine the returned pointer from __p__environ(), if available. */
if (p__p__environ)
{
ok( *p__p__environ() == *p_environ,
"Expected _environ pointers to be identical\n" );
}
else
skip( "__p__environ() is not available\n" );
if (p_get_environ)
{
char **retptr;
p_get_environ(&retptr);
ok( retptr == *p_environ,
"Expected _environ pointers to be identical\n" );
}
else
win_skip( "_get_environ() is not available\n" );
/* Note that msvcrt from Windows versions older than Vista
* expects the mode pointer parameter to be valid.*/
__getmainargs(&argc, &argv, &envp, 0, &mode);
ok( envp != NULL, "Expected initial environment block pointer to be non-NULL\n" );
if (!envp)
{
skip( "Initial environment block pointer is not valid\n" );
return;
}
for (i = 0; ; i++)
{
if ((*p_environ)[i])
{
ok( envp[i] != NULL, "Expected environment block pointer element to be non-NULL\n" );
ok( !strcmp((*p_environ)[i], envp[i]),
"Expected _environ and environment block pointer strings (%s vs. %s) to match\n",
(*p_environ)[i], envp[i] );
}
else
{
ok( !envp[i], "Expected environment block pointer element to be NULL, got %p\n", envp[i] );
break;
}
}
}
static void test__wenviron(void)
{
int argc;
char **argv, **envp = NULL;
WCHAR **wargv, **wenvp = NULL;
int i, mode = 0;
ok( p_wenviron != NULL, "Expected the pointer to _wenviron to be non-NULL\n" );
if (p_wenviron)
ok( *p_wenviron == NULL, "Expected _wenviron to be NULL, got %p\n", *p_wenviron );
else
{
win_skip( "Pointer to _wenviron is not valid\n" );
return;
}
/* Examine the returned pointer from __p__wenviron(), if available. */
if (p__p__wenviron)
{
ok( *p__p__wenviron() == NULL,
"Expected _wenviron pointers to be NULL\n" );
}
else
skip( "__p__wenviron() is not available\n" );
if (p_get_wenviron)
{
WCHAR **retptr;
p_get_wenviron(&retptr);
ok( retptr == NULL,
"Expected _wenviron pointers to be NULL\n" );
}
else
win_skip( "_get_wenviron() is not available\n" );
/* __getmainargs doesn't initialize _wenviron. */
__getmainargs(&argc, &argv, &envp, 0, &mode);
ok( *p_wenviron == NULL, "Expected _wenviron to be NULL, got %p\n", *p_wenviron);
ok( envp != NULL, "Expected initial environment block pointer to be non-NULL\n" );
if (!envp)
{
skip( "Initial environment block pointer is not valid\n" );
return;
}
/* Neither does calling the non-Unicode environment manipulation functions. */
ok( _putenv("cat=dog") == 0, "failed setting cat=dog\n" );
ok( *p_wenviron == NULL, "Expected _wenviron to be NULL, got %p\n", *p_wenviron);
ok( _putenv("cat=") == 0, "failed deleting cat\n" );
/* _wenviron isn't initialized until __wgetmainargs is called or
* one of the Unicode environment manipulation functions is called. */
ok( _wputenv(L"cat=dog") == 0, "failed setting cat=dog\n" );
ok( *p_wenviron != NULL, "Expected _wenviron to be non-NULL\n" );
ok( _wputenv(L"cat=") == 0, "failed deleting cat\n" );
__wgetmainargs(&argc, &wargv, &wenvp, 0, &mode);
ok( *p_wenviron != NULL, "Expected _wenviron to be non-NULL\n" );
ok( wenvp != NULL, "Expected initial environment block pointer to be non-NULL\n" );
if (!wenvp)
{
skip( "Initial environment block pointer is not valid\n" );
return;
}
/* Examine the returned pointer from __p__wenviron(),
* if available, after _wenviron is initialized. */
if (p__p__wenviron)
{
ok( *p__p__wenviron() == *p_wenviron,
"Expected _wenviron pointers to be identical\n" );
}
if (p_get_wenviron)
{
WCHAR **retptr;
p_get_wenviron(&retptr);
ok( retptr == *p_wenviron,
"Expected _wenviron pointers to be identical\n" );
}
for (i = 0; ; i++)
{
if ((*p_wenviron)[i])
{
ok( wenvp[i] != NULL, "Expected environment block pointer element to be non-NULL\n" );
ok( !wcscmp((*p_wenviron)[i], wenvp[i]),
"Expected _wenviron and environment block pointer strings (%s vs. %s) to match\n",
wine_dbgstr_w((*p_wenviron)[i]), wine_dbgstr_w(wenvp[i]) );
}
else
{
ok( !wenvp[i], "Expected environment block pointer element to be NULL, got %p\n", wenvp[i] );
break;
}
}
}
static void test_environment_manipulation(void)
{
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ok( _putenv("cat=") == 0, "_putenv failed on deletion of nonexistent environment variable\n" );
ok( _putenv("cat=dog") == 0, "failed setting cat=dog\n" );
ok( strcmp(getenv("cat"), "dog") == 0, "getenv did not return 'dog'\n" );
ok( _putenv("cat=") == 0, "failed deleting cat\n" );
ok( _putenv("=") == -1, "should not accept '=' as input\n" );
ok( _putenv("=dog") == -1, "should not accept '=dog' as input\n" );
ok( _putenv(a_very_long_env_string) == 0, "_putenv failed for long environment string\n");
ok( getenv("nonexistent") == NULL, "getenv should fail with nonexistent var name\n" );
}
START_TEST(environ)
{
init();
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/* The environ tests should always be run first, as they assume
* that the process has not manipulated the environment. */
test__environ();
test__wenviron();
test_environment_manipulation();
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test_system();
}