summaryrefslogtreecommitdiff
path: root/src/pal/tests/palsuite/c_runtime/getenv/test1/test1.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/pal/tests/palsuite/c_runtime/getenv/test1/test1.cpp')
-rw-r--r--src/pal/tests/palsuite/c_runtime/getenv/test1/test1.cpp78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/getenv/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/getenv/test1/test1.cpp
new file mode 100644
index 0000000..0fb9025
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/getenv/test1/test1.cpp
@@ -0,0 +1,78 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*=====================================================================
+**
+** Source: test1.c
+**
+** Purpose: Create an environment variable and then use getenv to get
+** a pointer to it. Check that the pointer is valid and that the string
+** is what we expected. Also check that searching for a non-existent
+** variable will cause getenv to return NULL. Also check that function
+** passes when the parameter has it's casing changed (e.g upper case)
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+
+ const char* SetVariable = "PalTestingEnvironmentVariable=The value";
+ const char* VariableName = "PalTestingEnvironmentVariable";
+ const char* VariableValue = "The value";
+ char* result;
+
+
+ if (0 != (PAL_Initialize(argc, argv)))
+ {
+ return FAIL;
+ }
+
+ /* Use _putenv to set an environment variable. This ensures that the
+ variable we're testing on is always present.
+ */
+
+ if(_putenv(SetVariable) == -1)
+ {
+ Fail("ERROR: _putenv failed to set an environment variable that "
+ "getenv will be using for testing.\n");
+ }
+
+ /* Call getenv -- ensure it doesn't return NULL and the string it returns
+ is the value we set above.
+ */
+
+ result = getenv(VariableName);
+ if(result == NULL)
+ {
+ Fail("ERROR: The result of getenv on a valid Environment Variable "
+ "was NULL, which indicates the environment varaible was not "
+ "found.\n");
+ }
+
+ if(strcmp(result, VariableValue) != 0)
+ {
+ Fail("ERROR: The value obtained by getenv() was not equal to the "
+ "correct value of the environment variable. The correct "
+ "value is '%s' and the function returned '%s'.\n",
+ VariableValue,
+ result);
+ }
+
+ /* Try calling getenv on an environment variable which doesn't
+ exist.
+ */
+ result = getenv("SomeEnvironmentVariableThatReallyDoesNotExist");
+
+ if(result != NULL)
+ {
+ Fail("ERROR: Called getenv on an environment variable which "
+ "doesn't exist and it returned '%s' instead of NULL.\n",result);
+ }
+
+ PAL_Terminate();
+ return PASS;
+}