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| 1 | +package com.coderising.myood.litejunit.v2.example_test.a; |
| 2 | + |
| 3 | +import com.coderising.myood.litejunit.v2.Assert; |
| 4 | +import com.coderising.myood.litejunit.v2.TestCase; |
| 5 | +import com.coderising.myood.litejunit.v2.example.a.Calculator; |
| 6 | + |
| 7 | +/** |
| 8 | + * Created by thomas_young on 17/9/2017. |
| 9 | + */ |
| 10 | +public class CalculatorTest extends TestCase { |
| 11 | + public CalculatorTest(String name) { |
| 12 | + super(name); |
| 13 | + } |
| 14 | + |
| 15 | + /** *//** |
| 16 | + * 在Junit3.8中,测试方法满足如下原则 |
| 17 | + * 1)public |
| 18 | + * 2)void |
| 19 | + * 3)无方法参数 |
| 20 | + * 4)最重要的方法名称必须以test开头 |
| 21 | + */ |
| 22 | + private Calculator cal; |
| 23 | + |
| 24 | + //在执行每个test之前,都执行setUp; |
| 25 | + public void setUp(){ |
| 26 | + cal = new Calculator(); |
| 27 | + } |
| 28 | + |
| 29 | + //在执行每个test之后,都要执行tearDown |
| 30 | + public void tearDown(){ |
| 31 | + } |
| 32 | + |
| 33 | + public void testAdd() |
| 34 | + { |
| 35 | + Calculator cal = new Calculator(); |
| 36 | + int result = cal.add(1, 2); |
| 37 | + //断言assert |
| 38 | + Assert.assertEquals(3, result); |
| 39 | + } |
| 40 | + |
| 41 | + public void testMinus() |
| 42 | + { |
| 43 | + Calculator cal = new Calculator(); |
| 44 | + int result = cal.minus(5, 2); |
| 45 | + Assert.assertEquals(3, result); |
| 46 | + } |
| 47 | + |
| 48 | + public void testMultiply() |
| 49 | + { |
| 50 | + Calculator cal = new Calculator(); |
| 51 | + int result = cal.multiply(4, 2); |
| 52 | + Assert.assertEquals(8,result); |
| 53 | + } |
| 54 | + |
| 55 | + public void testDivide() |
| 56 | + { |
| 57 | + Calculator cal = new Calculator(); |
| 58 | + int result = 0; |
| 59 | + try { |
| 60 | + result = cal.divide(10,5); |
| 61 | + } catch (Exception e) { |
| 62 | + e.printStackTrace(); |
| 63 | + //我们期望result = cal.divide(10,5);正常执行;如果进入到catch中说明失败; |
| 64 | + //所以我们加上fail。 |
| 65 | + Assert.fail();//如果这行没有执行。说明这部分正确。 |
| 66 | + } |
| 67 | + Assert.assertEquals(2,result); |
| 68 | + } |
| 69 | + |
| 70 | + public void testDivide2() |
| 71 | + { |
| 72 | + Throwable tx = null; |
| 73 | + try |
| 74 | + { |
| 75 | + // Calculator cal = new Calculator(); |
| 76 | + cal.divide(10,0); |
| 77 | + //正常来讲cal.divide(10,0);已经抛出异常,之后的代码不会被执行。 |
| 78 | + //我们也期望是这样的。所以说如果下面的Assert.fail();执行了。 |
| 79 | + //我的的测试就失败了。 |
| 80 | + Assert.fail();//当执行到这里测试失败,后面的代码将不被执行。 |
| 81 | + } catch (Exception e) { |
| 82 | + tx = e; |
| 83 | + } |
| 84 | + Assert.assertNotNull(tx); //断言tx不为空。也就是说肯定有异常。 |
| 85 | + Assert.assertEquals(Exception.class,tx.getClass());//断言tx的类型为Exception类型 |
| 86 | + Assert.assertEquals("除数不能为零", tx.getMessage()); |
| 87 | + } |
| 88 | +} |
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