dpl: add unit test

Signed-off-by: Eder Monteiro <[email protected]>

Author: eder-matheus

src/dpl/src/PlacementDRC.cpp

@@ -305,6 +305,7 @@ bool PlacementDRC::checkPadding(const Node* cell,
         const bool left_edge = x == 0;
         const bool right_edge = cell_x_end == grid_->getRowSiteCount();
         if (!cell->isFixed() && !left_edge && !right_edge) {
+          // Padding violation with the core edge.
           return false;
         }
         continue;

src/dpl/test/BUILD

@@ -56,6 +56,7 @@ COMPULSORY_TESTS = [
     "pad06",
     "pad07",
     "pad08",
+    "pad09",
     "regions1",
     "regions2",
     "regions3",

src/dpl/test/CMakeLists.txt

@@ -59,6 +59,7 @@ or_integration_tests(
     pad06
     pad07
     pad08
+    pad09
     regions1
     regions2
     regions3

src/dpl/test/pad09.def

@@ -0,0 +1,12 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN aes_cipher_top ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 2000000 2000000 ) ;
+ROW ROW_283 unit 30240 975690 FS DO 3624 BY 1 STEP 480 0 ;
+COMPONENTS 2 ;
+    - ANTENNA_283 sky130_fd_sc_hs__diode_2 + PLACED ( 30240 975690 ) FS ;
+    - ANTENNA_284 sky130_fd_sc_hs__diode_2 + PLACED ( 1768800 975690 ) FS ;
+END COMPONENTS
+END DESIGN

src/dpl/test/pad09.defok

@@ -0,0 +1,14 @@
+VERSION 5.8 ;
+DIVIDERCHAR "/" ;
+BUSBITCHARS "[]" ;
+DESIGN aes_cipher_top ;
+UNITS DISTANCE MICRONS 1000 ;
+DIEAREA ( 0 0 ) ( 2000000 2000000 ) ;
+ROW ROW_283 unit 30240 975690 FS DO 3624 BY 1 STEP 480 0 ;
+COMPONENTS 2 ;
+    - ANTENNA_283 sky130_fd_sc_hs__diode_2 + PLACED ( 30240 975690 ) FS ;
+    - ANTENNA_284 sky130_fd_sc_hs__diode_2 + PLACED ( 1768800 975690 ) FS ;
+END COMPONENTS
+NETS 0 ;
+END NETS
+END DESIGN

src/dpl/test/pad09.ok

@@ -0,0 +1,5 @@
+[INFO ODB-0227] LEF file: sky130hs/sky130hs.tlef, created 13 layers, 25 vias
+[INFO ODB-0227] LEF file: sky130hs/sky130hs_std_cell.lef, created 390 library cells
+[INFO ODB-0128] Design: aes_cipher_top
+[INFO ODB-0131]     Created 2 components and 10 component-terminals.
+No differences found.

src/dpl/test/pad09.tcl

@@ -0,0 +1,12 @@
+# set_placement_padding 2
+source "helpers.tcl"
+read_lef sky130hs/sky130hs.tlef
+read_lef sky130hs/sky130hs_std_cell.lef
+read_def pad09.def
+# check -masters arg parsing
+set_placement_padding -global -left 2 -right 2
+check_placement
+
+set def_file [make_result_file pad09.def]
+write_def $def_file
+diff_file pad09.defok $def_file