Lincheck 2.34

Bug Fixes

• Fix typo in AtomicMethods.kt by @eupp in #356
• Fix byte array element type in the bytecode transformation code by @eupp in #357
• Do not use Kotlin in the bootstrap module by @ndkoval in #351
• Fix possible ConcurrentModificationException when collection information in FinalFields and MethodIds by @ndkoval in #354
• Avoid recursive enumeration of class and classloader instances when plugin is enabled by @avpotapov00 in #364
• Use ClassReader.EXPAND_FRAMES as dictated by the AnalyzerAdapter documentation by @eupp in #368
• In FieldSearchHelper skip protected or private fields that cannot be read by Unsafe by @eupp in #367
• Ensure that array elements are transformed by @ndkoval in #372

Lincheck 2.33

What's Changed

• Bytecode Transformation Refactoring by @eupp in #322
• Fix Java 11 performance bug by @eupp in #316
• Strategy run API refactoring by @eupp in #262
• Coverage bytecode filter by @dmitrii-artuhov in #335
• Detect atomic primitive method calls dynamically by @eupp in #336
• Output fixed in case of an incorrect arguments count in custom scenarios by @avpotapov00 in #338
• Spin locks detection enchancements by @avpotapov00 in #331
• AllowExtraSuspension parameter deprecated, SUSPENDED prefix removed from the output by @avpotapov00 in #339
• Make all compilation warnings errors by @ndkoval in #341
• Do not show clocks when they don't provide any useful information by @ndkoval in #349
• Minimization improvement: try to remove two operations and move operations to init and post parts by @ndkoval in #350

New Contributors

• @dmitrii-artuhov made their first contribution in #335

Full Changelog: lincheck-2.32...lincheck-2.33

Lincheck 2.32

Improvements

• Show the field name in the trace when calling a method on the final field by @avpotapov00 in #327

Lincheck 2.31

Improvements

• Loop detector refactoring by @eupp in #310
• Set lincheck version in tests for the plugin compatibility by @zuevmaxim in #312
• Exception message when no operations defined impoved by @avpotapov00 in #233
• Improve trace representation: show non-this object instances on method calls and show field names when using VarHandle, AtomicReference, andUnsafe by @avpotapov00 in #325

IntelliJ IDEA Plugin support:

• Object traverser fix by @avpotapov00 in #313
• Exceptions provided to the plugin by @avpotapov00 in #304
• Execution results are presented in case of any failure by @avpotapov00 in #314

Lincheck 2.30

This is a big release for Lincheck. We changed how Lincheck instruments byte-code, so no more annoying add-opens ... are needed 🎉

Improvements

• Byte-code transformation via a dynamically attached Java agent by @avpotapov00, @eupp, and @ndkoval in #296
• Increase number of invocations for flaky stress tests by @ndkoval in #289
• Remove redundant default managed strategy guarantees by @eupp in #306
• Bump minimal plugin version to 0.2 by @zuevmaxim in #305

Full Changelog: lincheck-2.29...lincheck-2.30

Lincheck 2.29

Improvements:

• Optimize spin loops and fix regression by @eupp in #298
• Optimize TransformationUtils.isCoroutineStateMachineClass by @ndkoval in #294
• Optimize Method.isSuspendable implementation by @ndkoval in #293
• Implement final field detection without Class.forName(..) by @avpotapov00 in #297
• Improve UX when running *IsolatedTests from IntelliJ IDEA by @ndkoval in #274
• Display enum values as enum names instead of <className>@<hashCode> by @ndkoval in #300
• Object numeration representation fix by @avpotapov00 in #302

Lincheck 2.28.1

Bug Fixes

• Replace AtomicLong.VMSupportsCS8() with a stub by @ndkoval in #290

Lincheck 2.28

Improvements

• Optimized spin-wait loop in Spinner by @eupp and @ndkoval in #287

Refactoring

• Rewrote the byte-code instrumentation logic to support transformation via javaagents (see #136) by @avpotapov00 and @ndkoval in #285

Lincheck 2.27

Bug Fixes:

• LoopDetector must reset the spin-lock detection counters when the current operation finishes by @eupp in #281
• Fix potential IndexOutOfBoundsException in curActorIsBlocking and concurrentActorCausesBlocking by @eupp in #277
• Fix number of iterations in spin-loops in case if #cpus < #threads by @eupp in #284

Lincheck 2.26

Bug Fixes

• Fix non-determinism in the model checker and support recent changes in the Kotlin coroutines API (#273)