diff --git a/test/vpnor/create_read_window_partition_exists.cpp b/test/vpnor/create_read_window_partition_exists.cpp
new file mode 100644
index 0000000..b051a57
--- /dev/null
+++ b/test/vpnor/create_read_window_partition_exists.cpp
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (C) 2018 IBM Corp.
+
+#include "config.h"
+#include "mboxd_pnor_partition_table.h"
+
+extern "C" {
+#include "test/mbox.h"
+#include "test/system.h"
+}
+
+#include <assert.h>
+#include <string.h>
+
+#include <vector>
+#include <fstream>
+#include <experimental/filesystem>
+
+#include "test/vpnor/tmpd.hpp"
+
+// A read window assumes that the toc is located at offset 0,
+// so create dummy partition at arbitrary offset 0x100.
+const std::string toc[] = {
+    "partition01=HBB,00000100,0001000,ECC,PRESERVED",
+};
+
+uint8_t data[8] = {0xaa, 0x55, 0xaa, 0x66, 0x77, 0x88, 0x99, 0xab};
+
+#define BLOCK_SIZE 4096
+#define MEM_SIZE (BLOCK_SIZE * 2)
+#define ERASE_SIZE BLOCK_SIZE
+#define N_WINDOWS 1
+#define WINDOW_SIZE BLOCK_SIZE
+
+static const uint8_t get_info[] = {0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
+                                   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                                   0x00, 0x00, 0x00, 0x00};
+
+// offset 0x100 and size 6
+static const uint8_t create_read_window[] = {0x04, 0x01, 0x01, 0x00, 0x06, 0x00,
+                                             0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                                             0x00, 0x00, 0x00, 0x00};
+
+static const uint8_t response[] = {0x04, 0x01, 0xfe, 0xff, 0x01, 0x00, 0x01,
+                                   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
+
+namespace fs = std::experimental::filesystem;
+namespace test = openpower::virtual_pnor::test;
+
+int main()
+{
+    struct mbox_context *ctx;
+
+    system_set_reserved_size(MEM_SIZE);
+    system_set_mtd_sizes(MEM_SIZE, ERASE_SIZE);
+
+    ctx = mbox_create_test_context(N_WINDOWS, WINDOW_SIZE);
+
+    test::VpnorRoot root(ctx, toc, BLOCK_SIZE);
+    root.write("HBB", data, sizeof(data));
+
+    vpnor_create_partition_table_from_path(ctx, root.ro().c_str());
+
+    int rc = mbox_command_dispatch(ctx, get_info, sizeof(get_info));
+    assert(rc == 1);
+
+    // send the request for partition1
+    rc = mbox_command_dispatch(ctx, create_read_window,
+                               sizeof(create_read_window));
+    assert(rc == 1);
+
+    rc = mbox_cmp(ctx, response, sizeof(response));
+    assert(rc == 0);
+
+    // Compare the reserved memory to the pnor
+    rc = memcmp(ctx->mem, data, 6);
+    assert(rc == 0);
+
+    // TODO: Add few more test cases for read from multiple partitions(PRSV/RW)
+    //      Read beyond the partition file size.
+    //      openbmc/openbmc#1868
+
+    return rc;
+}