Add meaningful verification to liberty ECSM, sky130 corners, writer,
and roundtrip tests. Expand verilog specify, escaped-write, remove-cells,
write, and writer tests with content checks, roundtrip validation, and
error guards. Update corresponding .ok golden files.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
- Remove stale line-number coverage comments (# Targets: line NNN, hit=0)
- Remove useless file-existence checks from verilog/sdf tests
- Delete 21 orphaned dcalc Tcl tests (C++ tests already cover them)
- Rename liberty_ccsn_ecsm -> liberty_ccsn (no ECSM libs available)
- Fix liberty_sky130_corners to use define_corners/-corner for real multi-corner testing
- Add report_checks per wireload model in liberty_wireload
- Fix test/regression to work from test/ directory (label mismatch)
- Refactor all module CMakeLists.txt with sta_module_tests() macro
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Jaehyun Kim