1 /* 2 * Copyright (C) 2013 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.common.base; 16 17 import static com.google.common.base.Verify.verify; 18 import static com.google.common.base.Verify.verifyNotNull; 19 20 import com.google.common.annotations.GwtCompatible; 21 22 import junit.framework.AssertionFailedError; 23 import junit.framework.TestCase; 24 25 /** 26 * Unit test for {@link com.google.common.base.Verify}. 27 */ 28 @GwtCompatible 29 public class VerifyTest extends TestCase { testVerify_simple_success()30 public void testVerify_simple_success() { 31 verify(true); 32 } 33 testVerify_simple_failure()34 public void testVerify_simple_failure() { 35 try { 36 verify(false); 37 fail(); 38 } catch (VerifyException expected) { 39 } 40 } 41 testVerify_simpleMessage_success()42 public void testVerify_simpleMessage_success() { 43 verify(true, "message"); 44 } 45 testVerify_simpleMessage_failure()46 public void testVerify_simpleMessage_failure() { 47 try { 48 verify(false, "message"); 49 fail(); 50 } catch (VerifyException expected) { 51 assertEquals("message", expected.getMessage()); 52 } 53 } 54 testVerify_complexMessage_success()55 public void testVerify_complexMessage_success() { 56 verify(true, "%s", IGNORE_ME); 57 } 58 testVerify_complexMessage_failure()59 public void testVerify_complexMessage_failure() { 60 try { 61 verify(false, FORMAT, 5); 62 fail(); 63 } catch (VerifyException expected) { 64 checkMessage(expected); 65 } 66 } 67 68 private static final String NON_NULL_STRING = "foo"; 69 testVerifyNotNull_simple_success()70 public void testVerifyNotNull_simple_success() { 71 String result = verifyNotNull(NON_NULL_STRING); 72 assertSame(NON_NULL_STRING, result); 73 } 74 testVerifyNotNull_simple_failure()75 public void testVerifyNotNull_simple_failure() { 76 try { 77 verifyNotNull(null); 78 fail(); 79 } catch (VerifyException expected) { 80 } 81 } 82 testVerifyNotNull_complexMessage_success()83 public void testVerifyNotNull_complexMessage_success() { 84 String result = verifyNotNull(NON_NULL_STRING, "%s", IGNORE_ME); 85 assertSame(NON_NULL_STRING, result); 86 } 87 testVerifyNotNull_simpleMessage_failure()88 public void testVerifyNotNull_simpleMessage_failure() { 89 try { 90 verifyNotNull(null, FORMAT, 5); 91 fail(); 92 } catch (VerifyException expected) { 93 checkMessage(expected); 94 } 95 } 96 97 private static final Object IGNORE_ME = new Object() { 98 @Override public String toString() { 99 throw new AssertionFailedError(); 100 } 101 }; 102 103 private static final String FORMAT = "I ate %s pies."; 104 checkMessage(Exception e)105 private static void checkMessage(Exception e) { 106 assertEquals("I ate 5 pies.", e.getMessage()); 107 } 108 } 109