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  • 软件测试作业4

    1、

    2、

    一个最直观的错误就是数组越界,n取的值越大,数组越界就越有可能发生

    3、当n=1时候满足

    第四问要求找出点覆盖、边覆盖和主路径覆盖的所有TR(测试需求)

    点覆盖:{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}

    边覆盖:{(1,2),(2,3),(2,12),(3,4),(4,5),(5,6),(6,7),(6,8),(7,5),(8,9),(5,9),(9,10),(9,11),(10,11),(11,2),(12,13),(13,14),(14,15),(15,13),(13,16)}

    主路径覆盖:{(1,2,3,4,5,6,7),

    (1,2,3,4,5,6,8,9,10,11),

    (1,2,3,4,5,6,8,9,11),

    (1,2,3,4,5,9,10,11),

    (1,2,3,4,5,9,11),

    (1,2,12,13,14,15),

    (1,2,12,16),

    (3,4,5,6,8,9,10,11,2,12,13,14,15),

    (3,4,5,6,8,9,11,2,12,13,14,15),

    (3,4,5,6,8,9,10,11,2,12,13,16),

    (3,4,5,6,8,9,11,2,12,13,16),

    (3,4,5,9,10,11,2,12,13,14,15),

    (3,4,5,9,11,2,12,13,14,15),

    (3,4,5,9,10,11,2,12,13,16),

    (3,4,5,9,11,2,12,13,16),

    (6,7,5,9,10,11,2,12,13,14,15),

    (6,7,5,9,11,2,12,13,14,15),

    (6,7,5,9,10,11,2,12,13,16),

    (6,7,5,9,11,2,12,13,16),

    (14,15,13,16),

    (13,14,15,13),

    (5,6,7,5),

    (2,3,4,5,6,8,9,10,11,2),

    (2,3,4,5,6,8,9,11,2),

    (2,3,4,5,9,10,11,2),

    (2,3,4,5,9,11,2),

    }

    最后,对任意程序设计主路径覆盖的测试用例,以上次的判断三角形的形状的程序为例

    复制代码
    package cn.tju.st;
    
    public class Triangle {
        public int a;
        public int b;
        public int c;
        public Triangle(int a,int b,int c)
        {
            this.a=a;
            this.b=b;
            this.c=c;
        }
        public String judge() {
            if(a==b&&b==c)
                return "equilateral";
            else if(a==b||b==c||c==a)
                return "isosceles";
            else {
                return "scalene";
            }
        }
    }
    复制代码
    复制代码
    package cn.tju.st;
    
    import static org.junit.Assert.*;
    
    import org.junit.After;
    import org.junit.Before;
    import org.junit.Test;
    
    
    public class TestTriangle {
        Triangle tri =null;
        @Before
        public void setUp() throws Exception {
            //System.out.println("This is before test");
        }
    
        @After
        public void tearDown() throws Exception {
            System.out.println("This is after test");
        }
    
        @Test
        public void test() {
            tri = new Triangle(3,3,3);
            assertEquals("equilateral",tri.judge());
            tri = new Triangle(2,3,3);
            assertEquals("isosceles",tri.judge());
            tri = new Triangle(3,4,5);
            assertEquals("scalene",tri.judge());
        }
    
    }
    复制代码

    三组测试用例(3,3,3),(2,3,3),(3,4,5)即可完成主路径覆盖

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  • 原文地址:https://www.cnblogs.com/yanwenxiong/p/5342442.html
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