1 files changed, 131 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/fprintf/test5/test5.cpp b/src/pal/tests/palsuite/c_runtime/fprintf/test5/test5.cpp
new file mode 100644
index 0000000000..c53e3f45b4
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/fprintf/test5/test5.cpp
@@ -0,0 +1,131 @@
+// 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:      test5.c (fprintf)
+**
+** Purpose:     Tests the count specifier (%n).
+**              This test is modeled after the fprintf series.
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+#include "../fprintf.h"
+
+/* 
+ * Depends on memcmp, strlen, fopen, fseek and fgets.
+ */
+
+static void DoTest(char *formatstr, int param, char *checkstr)
+{
+    FILE *fp;
+    char buf[256] = { 0 };
+    int n = -1;
+    
+    if ((fp = fopen("testfile.txt", "w+")) == NULL )
+    {
+        Fail("ERROR: fopen failed to create testfile\n");
+    }
+
+    if ((fprintf(fp, formatstr, &n)) < 0)
+    {
+        Fail("ERROR: fprintf failed\n");
+    }
+
+    if ((fseek(fp, 0, SEEK_SET)) != 0)
+    {
+        Fail("ERROR: fseek failed\n");
+    }
+
+    if ((fgets(buf, 100, fp)) == NULL)
+    {
+        Fail("ERROR: fseek failed\n");
+    }
+    
+    if (n != param)
+    {
+        Fail("ERROR: Expected count parameter to resolve to %d, got %X\n",
+ param, n);
+    }
+
+    if (memcmp(buf, checkstr, strlen(buf) + 1) != 0)
+    {
+        Fail("ERROR: Expected \"%s\" got \"%s\".\n", checkstr, buf);
+    }
+    
+
+    if ((fclose( fp )) != 0)
+
+    {
+
+        Fail("ERROR: fclose failed to close \"testfile.txt\"\n");
+
+    }
+}
+
+static void DoShortTest(char *formatstr, int param, char *checkstr)
+{
+    FILE *fp;
+    char buf[256] = { 0 };
+    short int n = -1;
+    
+    if ((fp = fopen("testfile.txt", "w+")) == NULL )
+    {
+        Fail("ERROR: fopen failed to create testfile\n");
+    }
+
+    if ((fprintf(fp, formatstr, &n)) < 0)
+    {
+        Fail("ERROR: fprintf failed\n");
+    }
+
+    if ((fseek(fp, 0, SEEK_SET)) != 0)
+    {
+        Fail("ERROR: fseek failed\n");
+    }
+
+    if ((fgets(buf, 100, fp)) == NULL)
+    {
+        Fail("ERROR: fseek failed\n");
+    }
+    
+    if (n != param)
+    {
+        Fail("ERROR: Expected count parameter to resolve to %d, got %X\n",
+ param, n);
+    }
+
+    if (memcmp(buf, checkstr, strlen(buf) + 1) != 0)
+    {
+        Fail("ERROR: Expected \"%s\" got \"%s\".\n", checkstr, buf);
+    }
+
+    if ((fclose( fp )) != 0)
+    {
+        Fail("ERROR: fclose failed to close \"testfile.txt\"\n");
+    }
+}
+
+int __cdecl main(int argc, char *argv[])
+{    
+    if (PAL_Initialize(argc, argv) != 0)
+        return(FAIL);
+
+    DoTest("foo %n bar", 4, "foo  bar");
+    DoTest("foo %#n bar", 4, "foo  bar");
+    DoTest("foo % n bar", 4, "foo  bar");
+    DoTest("foo %+n bar", 4, "foo  bar");
+    DoTest("foo %-n bar", 4, "foo  bar");
+    DoTest("foo %0n bar", 4, "foo  bar");
+    DoShortTest("foo %hn bar", 4, "foo  bar");
+    DoTest("foo %ln bar", 4, "foo  bar");
+    DoTest("foo %Ln bar", 4, "foo  bar");
+    DoTest("foo %I64n bar", 4, "foo  bar");
+    DoTest("foo %20.3n bar", 4, "foo  bar");
+
+    PAL_Terminate();
+    return PASS;
+}