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mycomplexTest.java 1.61 KB
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yifei 提交于 5年前 . shiyan4
package text.java;
import junit.framework.TestCase;
public class mycomplexTest extends TestCase {
mycomplex a=new mycomplex(1,2);
mycomplex b=new mycomplex(1,-4);
mycomplex c=new mycomplex(19,0);
mycomplex d=new mycomplex(1,-3);
public void testgetrealpart() throws Exception{
assertEquals(1.0,a.getrealpart());
assertEquals(1.0,b.getrealpart());
}
public void testcomplexadd() throws Exception{
assertEquals(2.0,(a.complexadd(b)).getrealpart());
assertEquals(-2.0,(a.complexadd(b)).getimagepart());
assertEquals(20.0,(b.complexadd(c)).getrealpart());
assertEquals(-4.0,(b.complexadd(c)).getimagepart());
}
public void testcomplexmin() throws Exception{
assertEquals(0.0,(a.complexmin(b)).getrealpart());
assertEquals(6.0,(a.complexmin(b)).getimagepart());
assertEquals(-18.0,(b.complexmin(c)).getrealpart());
assertEquals(-4.0,(b.complexmin(c)).getimagepart());
}
public void testcomplexmul() throws Exception{
assertEquals(9.0,(a.complexmul(b)).getrealpart());
assertEquals(-2.0,(a.complexmul(b)).getimagepart());
assertEquals(19.0,(b.complexmul(c)).getrealpart());
assertEquals(-76.0,(b.complexmul(c)).getimagepart());
}
public void testcomplexdiv() throws Exception{
assertEquals(-0.4117647058823529,(a.complexdiv(b)).getrealpart());
assertEquals(0.35294117647058826,(a.complexdiv(b)).getimagepart());
assertEquals(0.05263157894736842,(b.complexdiv(c)).getrealpart());
assertEquals(-0.21052631578947367,(b.complexdiv(c)).getimagepart());
}
}
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