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Fix thread race condition #2248

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merged 2 commits into from Apr 5, 2021
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Expand Up @@ -22,6 +22,7 @@ public class StubbedInvocationMatcher extends InvocationMatcher implements Seria
private static final long serialVersionUID = 4919105134123672727L;
private final Queue<Answer> answers = new ConcurrentLinkedQueue<Answer>();
private final Strictness strictness;
private final Object usedAtLock = new Object[0];
private DescribedInvocation usedAt;

public StubbedInvocationMatcher(
Expand All @@ -45,11 +46,15 @@ public void addAnswer(Answer answer) {
}

public void markStubUsed(DescribedInvocation usedAt) {
this.usedAt = usedAt;
synchronized (usedAtLock) {
this.usedAt = usedAt;
}
}

public boolean wasUsed() {
return usedAt != null;
synchronized (usedAtLock) {
return usedAt != null;
}
}

@Override
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