diff --git a/test-tool/test_read6_simple.c b/test-tool/test_read6_simple.c
index cb4a126..1799aaf 100644
--- a/test-tool/test_read6_simple.c
+++ b/test-tool/test_read6_simple.c
@@ -51,4 +51,31 @@ test_read6_simple(void)
 			    i * block_size, block_size, NULL);
 		CU_ASSERT_EQUAL(ret, 0);
 	}
+
+
+
+	logging(LOG_VERBOSE, "Transfer length == 0 means we want to transfer "
+		"256 blocks");
+
+	logging(LOG_VERBOSE, "Test sending a READ6 with transfer length == 0 "
+		"(meaning 256 blocks)");
+	/* 256 is converted to 0 when the CDB is marshalled by the helper */
+	task = iscsi_read6_sync(iscsic, tgt_lun, 0,
+				256 * block_size, block_size);
+	if (task->status != SCSI_STATUS_GOOD) {
+		logging(LOG_NORMAL, "[FAILED] READ6 command: "
+			"failed with sense. %s", iscsi_get_error(iscsic));
+		scsi_free_scsi_task(task);
+	}
+	CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
+
+	logging(LOG_VERBOSE, "Verify that we did get 256 blocks of data back");
+	if (task->datain.size == (int)(256 * block_size)) {
+		logging(LOG_VERBOSE, "[SUCCESS] Target returned 256 blocks of "
+			"data");
+	} else {
+		logging(LOG_NORMAL, "[FAILED] Target did not return 256 "
+			"blocks of data");
+	}
+	CU_ASSERT_EQUAL(task->datain.size, (int)(256 * block_size));
 }