summaryrefslogtreecommitdiff
path: root/src/pal/tests/palsuite/c_runtime/fflush/test1/test1.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/pal/tests/palsuite/c_runtime/fflush/test1/test1.cpp')
-rw-r--r--src/pal/tests/palsuite/c_runtime/fflush/test1/test1.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/fflush/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/fflush/test1/test1.cpp
new file mode 100644
index 0000000..7baf9ba
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/fflush/test1/test1.cpp
@@ -0,0 +1,80 @@
+// 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: Tests to see that fflush is working properly. Flushes a couple
+** buffers and checks the return value. Can't figure out a way to test
+** and ensure it is really dropping the buffers, since the system
+** does this automatically most of the time ...
+**
+**
+**==========================================================================*/
+
+/* This function is really tough to test. Right now it just tests
+ a bunch of return values. No solid way to ensure that it is really
+ flushing a buffer or not -- might have to be a manual test someday.
+*/
+
+#include <palsuite.h>
+
+
+int __cdecl main(int argc, char **argv)
+{
+
+ int TheReturn;
+ FILE* TheFile;
+ FILE* AnotherFile = NULL;
+
+ PAL_Initialize(argc,argv);
+
+ TheFile = fopen("theFile","w+");
+
+ if(TheFile == NULL)
+ {
+ Fail("ERROR: fopen failed. Test depends on this function.");
+ }
+
+ TheReturn = fwrite("foo",3,3,TheFile);
+
+ if(TheReturn != 3)
+ {
+ Fail("ERROR: fwrite failed. Test depends on this function.");
+ }
+
+ /* Test to see that FlushFileBuffers returns a success value */
+ TheReturn = fflush(TheFile);
+
+ if(TheReturn != 0)
+ {
+ Fail("ERROR: The fflush function returned non-zero, which "
+ "indicates failure, when trying to flush a buffer.");
+ }
+
+ /* Test to see that FlushFileBuffers returns a success value */
+ TheReturn = fflush(NULL);
+
+ if(TheReturn != 0)
+ {
+ Fail("ERROR: The fflush function returned non-zero, which "
+ "indicates failure, when trying to flush all buffers.");
+ }
+
+ /* Test to see that FlushFileBuffers returns a success value */
+ TheReturn = fflush(AnotherFile);
+
+ if(TheReturn != 0)
+ {
+ Fail("ERROR: The fflush function returned non-zero, which "
+ "indicates failure, when trying to flush a stream not "
+ "associated with a file.");
+ }
+
+ PAL_Terminate();
+ return PASS;
+}
+
+