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      1 /*
      2  * Copyright (c) 2007 Mockito contributors
      3  * This program is made available under the terms of the MIT License.
      4  */
      5 
      6 package org.mockito.internal.verification;
      7 
      8 import static org.mockito.internal.exceptions.Reporter.wantedAtMostX;
      9 import static org.mockito.internal.invocation.InvocationMarker.markVerified;
     10 import static org.mockito.internal.invocation.InvocationsFinder.findInvocations;
     11 
     12 import java.util.Iterator;
     13 import java.util.List;
     14 import org.mockito.exceptions.base.MockitoException;
     15 import org.mockito.invocation.MatchableInvocation;
     16 import org.mockito.internal.verification.api.VerificationData;
     17 import org.mockito.invocation.Invocation;
     18 import org.mockito.verification.VerificationMode;
     19 
     20 public class AtMost implements VerificationMode {
     21 
     22     private final int maxNumberOfInvocations;
     23 
     24     public AtMost(int maxNumberOfInvocations) {
     25         if (maxNumberOfInvocations < 0) {
     26             throw new MockitoException("Negative value is not allowed here");
     27         }
     28         this.maxNumberOfInvocations = maxNumberOfInvocations;
     29     }
     30 
     31     public void verify(VerificationData data) {
     32         List<Invocation> invocations = data.getAllInvocations();
     33         MatchableInvocation wanted = data.getTarget();
     34 
     35         List<Invocation> found = findInvocations(invocations, wanted);
     36         int foundSize = found.size();
     37         if (foundSize > maxNumberOfInvocations) {
     38             throw wantedAtMostX(maxNumberOfInvocations, foundSize);
     39         }
     40 
     41         removeAlreadyVerified(found);
     42         markVerified(found, wanted);
     43     }
     44 
     45     @Override
     46     public VerificationMode description(String description) {
     47         return VerificationModeFactory.description(this, description);
     48     }
     49 
     50     private void removeAlreadyVerified(List<Invocation> invocations) {
     51         for (Iterator<Invocation> iterator = invocations.iterator(); iterator.hasNext(); ) {
     52             Invocation i = iterator.next();
     53             if (i.isVerified()) {
     54                 iterator.remove();
     55             }
     56         }
     57     }
     58 }
     59