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1 package org.lsmp.djepJUnit;
2
3 import junit.framework.*;
4 import org.nfunk.jep.*;
5 import org.lsmp.djep.vectorJep.*;
6
13
14
20 public class VectorJepTest extends TestCase {
21 VectorJep j;
22 public static final boolean SHOW_BAD=false;
23
24 public VectorJepTest(String  name) {
25 super(name);
26 }
27
28 public static void main(String args[]) {
29
31 TestSuite suite= new TestSuite(MatrixJepTest.class);
32 suite.run(new TestResult());
35 }
36
37 protected void setUp() {
38 j = new VectorJep();
39 j.addStandardConstants();
40 j.addStandardFunctions();
41 j.addComplex();
42 j.setAllowAssignment(true);
44 j.setAllowUndeclared(true);
45 j.setImplicitMul(true);
46 }
47
48 public static Test suite() {
49 return new TestSuite(VectorJepTest.class);
50 }
51
52 public void testGood()
53 {
54 assertEquals(1,1);
55 }
56
57 public void valueTest(String expr,double dub) throws Exception
58 {
59 valueTest(expr,new Double (dub));
60 }
61 public void valueTest(String expr,Object expected) throws Exception
62 {
63 Node node = j.parse(expr);
64 Object res = j.evaluate(node);
65 assertEquals("<"+expr+">",expected,res);
66 System.out.println("Sucess value of <"+expr+"> is "+res);
67 }
68
69 public void valueTest(String expr,String expected) throws Exception
70 {
71 Node node = j.parse(expr);
72 Object res = j.evaluate(node);
73 assertEquals("<"+expr+">",expected,res.toString());
74 System.out.println("Sucess value of <"+expr+"> is "+res.toString());
75 }
76
77 public Object calcValue(String expr) throws Exception
78 {
79 Node node = j.parse(expr);
80 Object res = j.evaluate(node);
81 return res;
82 }
83
84
85 public void testSimpleSum() throws Exception
86 {
87 valueTest("1+2",3);
88 valueTest("2*6+3",15);
89 valueTest("2*(6+3)",18);
90 }
91
92 public void testOperators() throws Exception
93 {
94
101 valueTest("T=1",1);
102 valueTest("F=0",0);
103 calcValue("a=F"); calcValue("b=F"); calcValue("c=F");
104 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
105 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
106 calcValue("a=F"); calcValue("b=F"); calcValue("c=T");
107 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
108 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
109 calcValue("a=F"); calcValue("b=T"); calcValue("c=F");
110 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
111 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
112 calcValue("a=F"); calcValue("b=T"); calcValue("c=T");
113 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
114 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
115
116 calcValue("a=T"); calcValue("b=F"); calcValue("c=F");
117 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
118 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
119 calcValue("a=T"); calcValue("b=F"); calcValue("c=T");
120 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
121 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
122 calcValue("a=T"); calcValue("b=T"); calcValue("c=F");
123 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
124 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
125 calcValue("a=T"); calcValue("b=T"); calcValue("c=T");
126 valueTest("(a&&(b||c)) == ((a&&b)||(a&&c))",1);
127 valueTest("(a||(b&&c)) == ((a||b)&&(a||c))",1);
128 }
129
130 public void testIf() throws Exception
131 {
132 valueTest("if(1,2,3)",2);
133 valueTest("if(-1,2,3)",3);
134 valueTest("if(0,2,3)",3);
135 valueTest("if(1,2,3,4)",2);
136 valueTest("if(-1,2,3,4)",3);
137 valueTest("if(0,2,3,4)",4);
138 valueTest("if(0>=0,2,3,4)",2);
139 valueTest("x=3",3);
140 valueTest("if(x==3,1,-1)",1);
141 valueTest("if(x!=3,1,-1)",-1);
142 valueTest("if(x>=3,1,-1)",1);
143 valueTest("if(x>3,1,-1)",-1);
144 valueTest("if(x<=3,1,-1)",1);
145 valueTest("if(x<3,1,-1)",-1);
146 }
147
148 public void testAssign() throws Exception
149 {
150 valueTest("x=3",3);
151 valueTest("y=3+4",7);
152 valueTest("z=x+y",10);
153 valueTest("a=b=c=z",10);
154 valueTest("b",10);
155 valueTest("d=f=a-b",0);
156 }
157
158
159
160 public void myAssertEquals(String msg,String actual,String expected)
161 {
162 if(!actual.equals(expected))
163 System.out.println("Error \""+msg+"\" is \""+actual+" should be "+expected+"\"");
164 assertEquals("<"+msg+">",expected,actual);
165 System.out.println("Success: Value of \""+msg+"\" is \""+actual+"\"");
166 }
167
168 public void testMatrix() throws Exception
169 {
170 j.getSymbolTable().clearValues();
171 valueTest("x=2",2);
172 valueTest("(x*x)*x*(x*x)",32.0);
173 valueTest("y=[x^3,x^2,x]","[8.0,4.0,2.0]");
174 valueTest("z=[3*x^2,2*x,1]","[12.0,4.0,1.0]");
175 valueTest("w=y^^z","[-4.0,16.0,-16.0]");
176 valueTest("w.y","0.0");
177 valueTest("w.z","0.0");
178 valueTest("sqrt(w . z)","0.0"); valueTest("sqrt([3,4] . [3,4])","5.0"); valueTest("y+z","[20.0,8.0,3.0]");
181 valueTest("y-z","[-4.0,0.0,1.0]");
182 valueTest("3*y","[24.0,12.0,6.0]");
183 valueTest("y*4","[32.0,16.0,8.0]");
184 valueTest("y*z","[[96.0,32.0,8.0],[48.0,16.0,4.0],[24.0,8.0,2.0]]");
185 valueTest("z*y","[[96.0,48.0,24.0],[32.0,16.0,8.0],[8.0,4.0,2.0]]");
186 j.getSymbolTable().clearValues();
187 j.evaluate(j.parse("y=[cos(x),sin(x)]"));
188 j.evaluate(j.parse("z=[-sin(x),cos(x)]"));
189 valueTest("y . y","1.0");
190 valueTest("y . z","0.0");
191 valueTest("z . z","1.0");
192 j.getSymbolTable().clearValues();
193 valueTest("x=[[1,2],[3,4]]","[[1.0,2.0],[3.0,4.0]]");
194 valueTest("y=[1,-1]","[1.0,-1.0]");
195 valueTest("x*y","[-1.0,-1.0]");
196 valueTest("y*x","[-2.0,-2.0]");
197 valueTest("x+[y,y]","[[2.0,1.0],[4.0,3.0]]");
198 valueTest("ele(y,1)","1.0"); valueTest("ele(y,2)","-1.0"); valueTest("ele(x,[1,1])","1.0"); valueTest("ele(x,[1,2])","2.0"); valueTest("ele(x,[2,1])","3.0"); valueTest("ele(x,[2,2])","4.0"); }
205 public void testBad() throws Exception
206 {
207 if(SHOW_BAD)
208 {
209 }
210 }
211 }
212 |
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