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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.mockitousage.verification;
      7 
      8 import org.junit.Test;
      9 import org.mockito.Mock;
     10 import org.mockito.exceptions.verification.NoInteractionsWanted;
     11 import org.mockito.exceptions.verification.WantedButNotInvoked;
     12 import org.mockitoutil.TestBase;
     13 
     14 import java.util.List;
     15 
     16 import static junit.framework.TestCase.fail;
     17 import static org.mockito.Matchers.anyInt;
     18 import static org.mockito.Mockito.only;
     19 import static org.mockito.Mockito.verify;
     20 
     21 public class OnlyVerificationTest extends TestBase {
     22 
     23     @Mock private List<Object> mock;
     24 
     25     @Mock private List<Object> mock2;
     26 
     27     @Test
     28     public void shouldVerifyMethodWasInvokedExclusively() {
     29         mock.clear();
     30         verify(mock, only()).clear();
     31     }
     32 
     33     @Test
     34     public void shouldVerifyMethodWasInvokedExclusivelyWithMatchersUsage() {
     35         mock.get(0);
     36         verify(mock, only()).get(anyInt());
     37     }
     38 
     39     @Test
     40     public void shouldFailIfMethodWasNotInvoked() {
     41         mock.clear();
     42         try {
     43             verify(mock, only()).get(0);
     44             fail();
     45         } catch (WantedButNotInvoked e) {}
     46     }
     47 
     48     @Test
     49     public void shouldFailIfMethodWasInvokedMoreThanOnce() {
     50         mock.clear();
     51         mock.clear();
     52         try {
     53             verify(mock, only()).clear();
     54             fail();
     55         } catch (NoInteractionsWanted e) {}
     56     }
     57 
     58     @Test
     59     public void shouldFailIfMethodWasInvokedButWithDifferentArguments() {
     60         mock.get(0);
     61         mock.get(2);
     62         try {
     63             verify(mock, only()).get(999);
     64             fail();
     65         } catch (WantedButNotInvoked e) {}
     66     }
     67 
     68     @Test
     69     public void shouldFailIfExtraMethodWithDifferentArgsFound() {
     70         mock.get(0);
     71         mock.get(2);
     72         try {
     73             verify(mock, only()).get(2);
     74             fail();
     75         } catch (NoInteractionsWanted e) {}
     76     }
     77 
     78     @Test
     79     public void shouldVerifyMethodWasInvokedExclusivelyWhenTwoMocksInUse() {
     80         mock.clear();
     81         mock2.get(0);
     82         verify(mock, only()).clear();
     83         verify(mock2, only()).get(0);
     84     }
     85 
     86 }
     87