Test case for missing clocks in STA

test_case_clocks.patch

diff --git a/src/dft/CMakeLists.txt b/src/dft/CMakeLists.txt
index dbff4f64f..d747b68b0 100644
--- a/src/dft/CMakeLists.txt
+++ b/src/dft/CMakeLists.txt
@@ -70,6 +70,7 @@ target_link_libraries(dft
     dft_config_lib
     dft_replace_lib
     dft_clock_domain_lib
+    dft_utils_lib
 )


diff --git a/src/dft/src/Dft.cpp b/src/dft/src/Dft.cpp
index 426a90260..eb03e7eff 100644
--- a/src/dft/src/Dft.cpp
+++ b/src/dft/src/Dft.cpp
@@ -42,6 +42,7 @@
 #include "ScanReplace.hh"
 #include "odb/db.h"
 #include "utl/Logger.h"
+#include "Utils.hh"

 namespace dft {

@@ -135,6 +136,23 @@ void Dft::insert_dft()
   // Perform scan replacement
   scan_replace_->scanReplace();

+
+  odb::dbChip* chip = db_->getChip();
+  odb::dbBlock* block = chip->getBlock();
+  odb::dbInst* inst = block->findInst("ff1");
+
+  std::vector<odb::dbITerm*> clock_pins = utils::GetClockPin(inst);
+
+  odb::dbITerm* clock_pin = clock_pins.at(0);
+  std::optional<sta::Clock*> clock = utils::GetClock(sta_, clock_pin);
+
+  if (clock.has_value()) {
+    std::cout << "Clock found!" << std::endl;
+  } else {
+    std::cout << "No clock found :(" << std::endl;
+  }
+
+
   // TODO: Scan Architect and Scan Stitching
 }