Merge pull request #401 from fc51111/AttemptToOptimizeIsBetterThanCur…

…rentMethod Avoid comparing equal chromosomes
EvoSuite · May 9, 2023 · f79820d · f79820d
2 parents 1fac6db + 6ceded5
commit f79820d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/client/src/main/java/org/evosuite/ga/archive/Archive.java b/client/src/main/java/org/evosuite/ga/archive/Archive.java
@@ -155,6 +155,10 @@ public void updateArchive(TestFitnessFunction target,
      */
     public boolean isBetterThanCurrent(TestChromosome currentSolution, TestChromosome candidateSolution) {
 
+        if (currentSolution.equals(candidateSolution)) {
+            return false;
+        }
+
         ExecutionResult currentSolutionExecution = currentSolution.getLastExecutionResult();
         ExecutionResult candidateSolutionExecution = candidateSolution.getLastExecutionResult();
         if (currentSolutionExecution != null