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Add new Tcl and C++ test cases#294

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maliberty merged 65 commits intoThe-OpenROAD-Project:masterfrom
The-OpenROAD-Project-staging:secure-sta-test-by-opus
Apr 2, 2026
Merged

Add new Tcl and C++ test cases#294
maliberty merged 65 commits intoThe-OpenROAD-Project:masterfrom
The-OpenROAD-Project-staging:secure-sta-test-by-opus

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Summary

  • Adds comprehensive C++ and Tcl regression test suites across all 12 STA modules — 6,159 tests, 100% pass rate
  • Strengthens all C++ assertions with meaningful checks, removes empty test bodies
  • Adapts all tests to the upstream rel_3.0 API (Corner → Scene/Mode, enum class changes, command renames, etc.)

Test Coverage by Module

Module C++ Tests Tcl Tests Total
search 1,788 74 1,862
liberty 1,005 38 1,043
sdc 870 40 910
network 577 26 603
dcalc 383 383
util 317 9 326
verilog 278 41 319
parasitics 199 17 216
spice 126 9 135
sdf 115 10 125
graph 100 11 111
power 96 8 104
test 22 22
Total 5,854 305 6,159
image

C++ Tests (GTest)

  • Covers delay calculation, graph construction, liberty parsing, network traversal, parasitics reduction, power analysis, SDC constraints, timing search, utility functions, and Verilog I/O
  • Each module has dedicated test fixtures with realistic design data (liberty, Verilog, SPEF, SDC)

Tcl Tests

  • Integration-level tests exercising the full STA flow through Tcl commands
  • Each test includes a .ok golden reference file for output verification

Note: Upstream Merge

This branch includes the upstream STA rel_3.0 merge (PR #288), which introduces the Scene/Mode architecture replacing Corner, enum class migrations, warning format changes, and Tcl command renames. All tests have been adapted to these API changes.

Test plan

  • All 6,159 regression tests pass (ctest -j64)
  • C++ tests: 5,854 pass
  • Tcl tests: 305 pass

🤖 Generated with Claude Code

jhkim-pii and others added 27 commits February 13, 2026 19:19
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…ving `R#_` prefixes, improve temporary file creation with `mkstemp`, etc

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.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>
Remove unnecessary catch blocks from Tcl test files across all modules,
add report_checks after each set_wire_load_model in liberty_wireload,
rewrite liberty_sky130_corners for actual multi-corner timing analysis
with define_corners, and expand C++ tests (TestSearchIncremental 8→36,
TestPower 71→96, TestSpice 98→126 tests).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove unnecessary catch blocks across all test modules (graph,
liberty, network, parasitics, power, sdc, sdf, search, spice,
verilog), expand C++ tests (TestSearchIncremental 8→36 tests,
TestPower 71→96, TestSpice 98→126), add report_checks after each
set_wire_load_model in liberty_wireload.tcl, and rewrite
liberty_sky130_corners.tcl with actual multi-corner timing analysis.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove unnecessary catch blocks in network, parasitics, sdc, spice,
and util test modules. Add report_checks after set_wire_load_model
in parasitics_wireload.tcl to verify timing changes per wireload.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Replace wrong/non-existent command calls with correct OpenSTA APIs:
- sta::pin_slack → get_property $pin slack_max_rise
- sta::slow_drivers_cmd → sta::slow_drivers
- set_latch_borrow_limit → set_max_time_borrow
- remove_data_check → unset_data_check
- remove_clock → delete_clock
- reset_path → unset_path_exceptions
- sta::report_path_end 3-arg → sta::report_path_end2
- sta::design_power "NULL" → sta::design_power [sta::cmd_corner]
- report_path $path → sta::report_path_cmd $path
- connect_pin 3-arg → connect_pin net inst/port
- set_power_activity positional → -input_ports flag
- sta::is_clock [get_ports] → sta::is_clock [sta::get_port_pin]
- get_property $inst lib_name → liberty_cell/liberty_library
- get_property $pin net_name → [$pin net] + get_full_name
- get_property $net is_power → $net is_power method
- Removed unnecessary catch around sta::write_liberty

23 catch blocks removed. Tests now execute real API calls instead
of silently failing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Document why each catch block is needed across 48 test files,
covering liberty, search, sdc, spice, network, parasitics, util,
and verilog modules.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove bare catch blocks that silently swallowed errors instead of
properly testing them. Fix underlying issues revealed by catch removal
including wrong API calls ([$role name] on strings, invalid properties
like cell_leakage_power/is_register, nonexistent Tcl bindings) and
incorrect library names. Update golden .ok files to match new output.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…ice tests

Remove dead code blocks that reference non-exposed Tcl commands (e.g.,
sta::find_pi_pole_residue) and delete all write_gate_spice catch blocks
from spice tests since write_gate_spice_cmd SWIG binding is missing,
making all write_gate_spice calls always fail. Added bug report for the
missing binding. All 6531 tests pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…edback

Remove useless empty-body if-blocks that check file size/existence without
doing anything, replacing them with meaningful puts output where appropriate.
Split monolithic verilog test files into individual per-test files with
their own .ok golden files. Update .ok files to match actual output.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Replace empty-body checks and trivial file-existence assertions with
actual content verification and state validation in C++ unit tests.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Strengthen C++ test assertions in TestSdc and TestSearch with actual
value checks. Stabilize verilog_multimodule_write by using clear_sta
for isolated roundtrips. Add report_checks to wireload model tests.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Negate conditions in empty if-body assertions so the FAIL message
is printed directly (e.g. `if { $x != 0 } { } else { puts FAIL }`
becomes `if { $x == 0 } { puts FAIL }`).  Remove dead if/else blocks
where both branches were empty, strip meaningless status-only puts
from Tcl tests and their .ok golden files, and wrap a long line in
search_report_gated_datacheck.tcl to stay within 80 columns.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
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>
- Add diff_files_sorted to test/helpers.tcl for hash-order-independent
  SDC comparison (fixes non-deterministic write_sdc output ordering)
- Use diff_files_sorted in sdc_derate_disable_deep and
  sdc_port_delay_advanced tests
- Remove stale coverage percentages from test comments (Comment 1)
- Remove unnecessary catch blocks in search property tests (Comment 3)
- Strengthen load-only tests with actual data verification (Comment 8)
- Remove orphan .ok files for deleted monolithic tests (Comment 9)
- Add golden .sdcok/.libok/.vok/.sdfok files for SDC/liberty/verilog
  write-and-diff tests
- Add -B (clean rebuild) option to make_coverage_report.sh
- Replace (void) casts and EXPECT_TRUE(true) with real assertions in
  TestSdc.cc and TestVerilog.cc

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
- Split oversized test files to stay under 5,000 lines per file:
  TestSdc.cc → TestSdcClasses.cc, TestSdcStaInit.cc, TestSdcStaDesign.cc
  TestSearchStaDesign.cc → TestSearchStaDesign.cc, TestSearchStaDesignB.cc
  TestLibertyStaBasics.cc → TestLibertyStaBasics.cc, TestLibertyStaBasicsB.cc
  TestNetwork.cc → TestNetwork.cc, TestNetworkB.cc
- Replace ~200+ (void) casts with proper EXPECT_* assertions across all
  C++ test files (dcalc, liberty, network, sdc, search, power, spice, util)
- Remove ~55 SUCCEED() and EXPECT_TRUE(true) no-op assertions
- Fix 6 load-only Tcl tests by adding diff_files verification with
  22 new .sdcok golden reference files
- Delete 7 orphan .ok files with no matching .tcl tests
- Add how_to_write_good_tests.md and TODO6.md documenting test quality rules

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Major upstream refactoring: Corner→Scene, Mode architecture, warning
format change (Warning ID:), command renames, and many API signature
changes. Adapted all C++ test files and TCL test scripts/expected
output files to pass with the new API. 6159/6159 tests pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
jhkim-pii and others added 3 commits March 20, 2026 21:56
…ate/OpenSTA into secure-sta-test-by-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
- Remove deprecated report_net -connections/-verbose flags from tests
  (removed upstream in 7668e43)
- Regolden numerical precision diffs in parasitics and util tests

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
PinIdHash::operator()(nullptr) calls network_->id(nullptr) which
dereferences null, causing segfault in CI environments.

Removed 3 tests:
- SdcInitTest.SdcIsLeafPinNonGeneratedClockNull
- StaInitTest.IsClockSrcNoDesign
- StaInitTest.StaIsClockSrcNoDesign2

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
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jhkim-pii commented Mar 20, 2026

@vvbandeira Currently, the following test fails in the CI.

The following tests FAILED:
	4277 - StaInitTest.StaTclInterpAccess (Failed)           cpp module_search
Errors while running CTest

But I cannot find the detailed log in the CI log.
How about running the CI with ctest --output-on-failure ... to leave the detailed failure reason in the CI log?

  • It will be helpful to catch the reason immediately.

jhkim-pii and others added 19 commits March 20, 2026 23:37
Sta::tcl_interp_ is not initialized in the constructor, so
tclInterp() returns garbage before setTclInterp() is called.
The assertion `before == nullptr` fails in Release builds where
memory is not zero-initialized.

Remove the read of uninitialized tcl_interp_ and the assertion.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Adapt all cpp/tcl test files to match upstream OpenSTA API changes:
- string* output params changed to string return values (Verilog, Network)
- Report methods renamed (reportLineString->reportLine, printf->std::format)
- Delay type refactored from float typedef to class (Graph)
- Liberty model APIs updated (value semantics, shared_ptr, PocvMode)
- EXPECT_STREQ -> EXPECT_EQ for std::string returns (Sdc, Search)
- streamPrint -> sta::print with std::format specifiers (Spice)
- Avoid unset_clock_groups -all path (upstream iterator invalidation bug)

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…ecure-sta-test-by-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Adapt all C++ and Tcl tests for upstream API refactoring:
- Header rename: DelayFloat.hh -> Delay.hh
- PocvMode enum replacing boolean pocv (setPocvEnabled -> setPocvMode)
- setReportPathFields gains 8th parameter (report_src_attr)
- GateTableModel/CheckTableModel constructor wraps in TableModels
- gateDelay/checkDelay signature changes (bool -> MinMax/PocvMode)
- Unit::asString returns std::string instead of const char*
- ExceptionThru/To::asString removed, use to_string
- GroupPath/FilterPath/LoopPath::asString removed
- PathEnd::source_clk_delay -> source_clk_latency
- report_net -connections flag removed
- set_report_path_field_width removed
- MaxSkewCheck::skew() now requires sta parameter
- Remove tests that pass nullptr to PinIdHash-based maps (segfault)
- Remove tests for removed APIs (sigmaFactor, reportSigmas)
- Regolden .ok files for numerical precision and format changes

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…ate/OpenSTA into secure-sta-test-by-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Replace removed -spice_directory flag with -spice_file in all 7
spice test scripts to match the upstream API refactoring.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Use diff_files_sorted for SDC golden file comparisons in
disable_case and write_roundtrip_full tests. The upstream
set_min_pulse_width output ordering is non-deterministic
due to hash map iteration, causing intermittent CI failures.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…ate/OpenSTA into secure-sta-test-by-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>

# Conflicts:
#	test/get_filter.ok
Update 16 test files to match upstream OpenSTA API refactoring:
- const char* → std::string/std::string_view across all test APIs
- EXPECT_STREQ → EXPECT_EQ for std::string/string_view returns
- nullptr → "" for string_view parameters (makeClock, makeClockGroups, etc.)
- PropertyValue("literal") → PropertyValue(std::string("literal")) to avoid
  bool constructor overload resolution
- Method renames: relatedGroundPin→relatedGroundPort,
  relatedPowerPin→relatedPowerPort, firstName→firstParam,
  secondName→secondParam
- Constructor changes: OperatingConditions (5-arg → 1-arg + setters),
  ModeDef::defineValue (3-arg → 1-arg + setSdfCond)
- LibertyAttrValue::floatValue returns std::pair<float,bool> now
- Filter API: separate args → single expression string + bool_props_as_int
- SDF version golden files: 3.0.1 → 3.1.0

All 6104 tests pass.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Add (VERSION pattern to diff_files ignore parameter so SDF tests
don't break on every upstream version bump. Update golden .ok files
to reflect the now-clean diffs.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…ate/OpenSTA into secure-sta-test-by-opus

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
- Use diff_files_sorted for exception_override_priority SDC comparisons
  to handle non-deterministic write_sdc output ordering across environments
- Add (VERSION ignore pattern to SDF diff_files calls so tests don't
  break on upstream version bumps

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…n changes"

This reverts commit d3454bc.

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…-opus

# Conflicts:
#	liberty/TableModel.cc

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
…opus

# Conflicts:
#	verilog/test/CMakeLists.txt

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
Upstream added bias pin type recognition, changing VNB/VPB pin
direction from "unknown" to "bias" in liberty output. Update 9
golden .ok files to match.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
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Is this meant to be in this PR?

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Is this meant to be in this PR?

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Good catch!
They were committed mistakenly.
How could you find that?

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>
@maliberty maliberty merged commit 29cea73 into The-OpenROAD-Project:master Apr 2, 2026
5 of 6 checks passed
@openroad-ci openroad-ci deleted the secure-sta-test-by-opus branch April 2, 2026 12:34
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5 participants