diff -r 000000000000 -r 6474c204b198 nsprpub/pr/tests/system.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nsprpub/pr/tests/system.c	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "prio.h"
+#include "prmem.h"
+#include "prprf.h"
+#include "prsystem.h"
+
+#include "plerror.h"
+
+static char *tag[] =
+{
+    "PR_SI_HOSTNAME",
+    "PR_SI_SYSNAME",
+    "PR_SI_RELEASE",
+    "PR_SI_ARCHITECTURE"
+};
+
+static PRSysInfo Incr(PRSysInfo *cmd)
+{
+    PRIntn tmp = (PRIntn)*cmd + 1;
+    *cmd = (PRSysInfo)tmp;
+    return (PRSysInfo)tmp;
+}  /* Incr */
+
+int main(int argc, char **argv)
+{
+    PRStatus rv;
+    PRSysInfo cmd;
+    PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput);
+
+    char *info = (char*)PR_Calloc(SYS_INFO_BUFFER_LENGTH, 1);
+    for (cmd = PR_SI_HOSTNAME; cmd <= PR_SI_ARCHITECTURE; Incr(&cmd))
+    {
+        rv = PR_GetSystemInfo(cmd, info, SYS_INFO_BUFFER_LENGTH);
+        if (PR_SUCCESS == rv) PR_fprintf(output, "%s: %s\n", tag[cmd], info);
+        else PL_FPrintError(output, tag[cmd]);
+    }
+    PR_DELETE(info);
+
+    PR_fprintf(output, "Host page size is %d\n", PR_GetPageSize());
+    PR_fprintf(output, "Page shift is %d\n", PR_GetPageShift());
+    PR_fprintf(output, "Memory map alignment is %ld\n", PR_GetMemMapAlignment());
+    PR_fprintf(output, "Number of processors is: %d\n", PR_GetNumberOfProcessors());
+    PR_fprintf(output, "Physical memory size is: %llu\n", PR_GetPhysicalMemorySize());
+
+    return 0;
+}  /* main */
+
+/* system.c */