From 7e7ec4ed840851948d89ddb0c2e93d50a6f9fdac Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Thu, 28 Jul 2022 09:42:04 -0700
Subject: [PATCH] [lib] added tests for pcf2place

---
 .../libpcf/src/base/io_location_map.cpp       | 28 ++++++++
 libopenfpga/libpcf/test/test_pcf2place.cpp    | 65 +++++++++++++++++++
 2 files changed, 93 insertions(+)
 create mode 100644 libopenfpga/libpcf/test/test_pcf2place.cpp

diff --git a/libopenfpga/libpcf/src/base/io_location_map.cpp b/libopenfpga/libpcf/src/base/io_location_map.cpp
index fe1b3f8de..48c02fc99 100644
--- a/libopenfpga/libpcf/src/base/io_location_map.cpp
+++ b/libopenfpga/libpcf/src/base/io_location_map.cpp
@@ -33,6 +33,34 @@ size_t IoLocationMap::io_index(const size_t& x,
   return result->second.get_lsb();
 }
 
+size_t IoLocationMap::io_x(const BasicPort& io_port) const {
+  for (auto pair : io_indices_) {
+    if (pair.second == io_port) {
+      return pair.first[0];
+    }
+  }
+  return size_t(-1);
+}
+
+size_t IoLocationMap::io_y(const BasicPort& io_port) const {
+  for (auto pair : io_indices_) {
+    if (pair.second == io_port) {
+      return pair.first[1];
+    }
+  }
+  return size_t(-1);
+}
+
+size_t IoLocationMap::io_z(const BasicPort& io_port) const {
+  for (auto pair : io_indices_) {
+    if (pair.second == io_port) {
+      return pair.first[2];
+    }
+  }
+  return size_t(-1);
+}
+
+
 void IoLocationMap::set_io_index(const size_t& x,
                                  const size_t& y,
                                  const size_t& z,
diff --git a/libopenfpga/libpcf/test/test_pcf2place.cpp b/libopenfpga/libpcf/test/test_pcf2place.cpp
new file mode 100644
index 000000000..35a3b528f
--- /dev/null
+++ b/libopenfpga/libpcf/test/test_pcf2place.cpp
@@ -0,0 +1,65 @@
+/********************************************************************
+ * Unit test functions to validate the correctness of 
+ * 1. parser of data structures
+ * 2. writer of data structures
+ *******************************************************************/
+/* Headers from vtrutils */
+#include "vtr_assert.h"
+#include "vtr_log.h"
+
+/* Headers from fabric key */
+#include "pcf_reader.h"
+#include "blif_head_reader.h"
+#include "read_csv_io_pin_table.h"
+#include "read_xml_io_location_map.h"
+#include "io_net_place.h"
+#include "pcf2place.h"
+
+int main(int argc, const char** argv) {
+  /* Ensure we have the following arguments:
+   * 1. Input - Users Design Constraints (.pcf)
+   * 2. Input - Netlist (.blif)
+   * 3. Input - Fabic I/O location map (.xml)
+   * 4. Input - Chip pin table (.csv)
+   * 5. Output - I/O placement (.place)
+   */
+  VTR_ASSERT(6 == argc);
+
+  /* Parse the input files */
+  openfpga::PcfData pcf_data;
+  openfpga::read_pcf(argv[1], pcf_data);
+  VTR_LOG("Read the design constraints from a pcf file: %s.\n",
+          argv[1]);
+
+  blifparse::BlifHeadReader callback;
+  blifparse::blif_parse_filename(argv[2], callback);
+  VTR_LOG("Read the blif from a file: %s.\n",
+          argv[2]);
+  if (callback.had_error()) {
+    VTR_LOG("Read the blif ends with errors\n",
+            argv[2]);
+    return 1;
+  }
+
+  openfpga::IoLocationMap io_location_map = openfpga::read_xml_io_location_map(argv[3]);
+  VTR_LOG("Read the I/O location map from an XML file: %s.\n",
+          argv[3]);
+
+  openfpga::IoPinTable io_pin_table = openfpga::read_csv_io_pin_table(argv[4]);
+  VTR_LOG("Read the I/O pin table from a csv file: %s.\n",
+          argv[4]);
+
+  /* Convert */
+  openfpga::IoNetPlace io_net_place;
+  int status = pcf2place(pcf_data, callback.input_pins(), callback.output_pins(), io_pin_table, io_location_map, io_net_place);
+  if (status) {
+    return status;
+  }
+
+  /* Output */
+  status = io_net_place.write_to_place_file(argv[5], true, true);
+
+  return status;
+}
+
+