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Add a test of environment variables

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@297 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-06-30 22:35:23 +00:00
parent 14c19aa3d1
commit c418e219ac
1 changed files with 97 additions and 0 deletions
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97
examples/ostest/main.c
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@ -89,6 +89,21 @@ static struct mallinfo g_mmprevious;
static struct mallinfo g_mmafter; static struct mallinfo g_mmafter;
#endif #endif
#ifndef CONFIG_DISABLE_ENVIRON
const char g_var1_name[] = "Variable1";
const char g_var1_value[] = "GoodValue1";
const char g_var2_name[] = "Variable2";
const char g_var2_value[] = "GoodValue2";
const char g_var3_name[] = "Variable3";
const char g_var3_value[] = "GoodValue3";
const char g_bad_value1[] = "BadValue1";
const char g_bad_value2[] = "BadValue2";
const char g_putenv_value[] = "Variable1=BadValue3";
#endif
/************************************************************ /************************************************************
* Private Functions * Private Functions
************************************************************/ ************************************************************/
@ -149,6 +164,55 @@ static void check_test_memory_usage(void)
# define check_test_memory_usage() # define check_test_memory_usage()
#endif #endif
/************************************************************
* Name: show_environment
************************************************************/
#ifndef CONFIG_DISABLE_ENVIRON
static void show_variable(const char *var_name, const char *exptd_value, boolean var_valid)
{
char *actual_value = getenv(var_name);
if (actual_value)
{
if (var_valid)
{
if (strcmp(actual_value, exptd_value) == 0)
{
printf("show_variable: Variable=%s has value=%s\n", var_name, exptd_value);
}
else
{
printf("show_variable: ERROR Variable=%s has the wrong value\n", var_name);
printf("show_variable: found=%s expected=%s\n", actual_value, exptd_value);
}
}
else
{
printf("show_variable: ERROR Variable=%s has a value when it should not\n", var_name);
printf("show_variable: value=%s\n", actual_value);
}
}
else if (var_valid)
{
printf("show_variable: ERROR Variable=%s has no value\n", var_name);
printf("show_variable: Should have had value=%s\n", exptd_value);
}
else
{
printf("show_variable: Variable=%s has no value\n", var_name);
}
}
static show_environment(boolean var1_valid, boolean var2_valid, boolean var3_valid)
{
show_variable( g_var1_name, g_var1_value, var1_valid);
show_variable( g_var2_name, g_var2_value, var2_valid);
show_variable( g_var3_name, g_var3_value, var3_valid);
}
#else
# define show_environment()
#endif
/************************************************************ /************************************************************
* Name: user_main * Name: user_main
************************************************************/ ************************************************************/
@ -197,6 +261,19 @@ static int user_main(int argc, char *argv[])
} }
check_test_memory_usage(); check_test_memory_usage();
/* Check environment variables */
#ifndef CONFIG_DISABLE_ENVIRON
show_environment(TRUE, TRUE, TRUE);
unsetenv(g_var1_name);
show_environment(FALSE, TRUE, TRUE);
check_test_memory_usage();
clearenv();
show_environment(FALSE, FALSE, FALSE);
check_test_memory_usage();
#endif
#if CONFIG_NFILE_DESCRIPTORS > 0 #if CONFIG_NFILE_DESCRIPTORS > 0
/* Checkout /dev/null */ /* Checkout /dev/null */
@ -374,6 +451,26 @@ int user_start(int argc, char *argv[])
g_argv[4] = NULL; g_argv[4] = NULL;
#endif #endif
/* Set up some environment variables */
#ifndef CONFIG_DISABLE_ENVIRON
printf("user_start: putenv(%s)\n", g_putenv_value);
putenv(g_putenv_value); /* Varaible1=BadValue3 */
printf("user_start: setenv(%s, %s, TRUE)\n", g_var1_name, g_var1_value);
setenv(g_var1_name, g_var1_value, TRUE); /* Variable1=GoodValue1 */
printf("user_start: setenv(%s, %s, FALSE)\n", g_var2_name, g_bad_value1);
setenv(g_var2_name, g_bad_value1, FALSE); /* Variable2=BadValue1 */
printf("user_start: setenv(%s, %s, TRUE)\n", g_var2_name, g_var2_value);
setenv(g_var2_name, g_var2_value, TRUE); /* Variable2=GoodValue2 */
printf("user_start: setenv(%s, %s, FALSE)\n", g_var3_name, g_var3_name);
setenv(g_var3_name, g_var3_value, FALSE); /* Variable3=GoodValue3 */
printf("user_start: setenv(%s, %s, FALSE)\n", g_var3_name, g_var3_name);
setenv(g_var3_name, g_bad_value2, FALSE); /* Variable3=GoodValue3 */
show_environment(TRUE, TRUE, TRUE);
#endif
/* Verify that we can spawn a new task */ /* Verify that we can spawn a new task */
#ifndef CONFIG_CUSTOM_STACK #ifndef CONFIG_CUSTOM_STACK