软件测试第一次上机
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Description of triangle problem:
Function triangle takes three integers a,b,c which are length of triangle sides; calculates whether the triangle is equilateral, isosceles, or scalene.
简单地判断一个三角形的形状
软件结构如下:
Triangle的内容:
判断三角形的形状的代码如下:
public String type(Triangle tri){ if(isTriangle(tri)){ if(isIsosceles(tri)){ return "isoscele"; } if(isScalene(tri)){ return "equilateral"; } return "scalene"; } return "not a triangle"; }
TriangleTest的内容如下:
package cn.tjuscs.st; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import java.util.Arrays; import java.util.Collection; import static org.junit.Assert.assertEquals; @RunWith(Parameterized.class) public class TriangleTest { private Triangle tri; private int input1; private int input2; private int input3; private String expected; public TriangleTest(int input1, int input2, int input3, String expected){ this.input1 = input1; this.input2 = input2; this.input3 = input3; this.expected = expected; } @Before public void setUp(){ tri = new Triangle(input1, input2, input3); } @Parameterized.Parameters public static Collection<Object[]> getData(){ return Arrays.asList(new Object[][]{ {2,2,2,"equilateral"}, {2,4,3,"scalene"}, {2,3,3,"isoscele"}, {2,9,2,"not a triangle"} }); } @Test public void testTriangle() throws Exception{ assertEquals(this.expected, tri.type(tri)); } }
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