1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
4 | *
|
---|
5 | * This file is part of HeuristicLab.
|
---|
6 | *
|
---|
7 | * HeuristicLab is free software: you can redistribute it and/or modify
|
---|
8 | * it under the terms of the GNU General Public License as published by
|
---|
9 | * the Free Software Foundation, either version 3 of the License, or
|
---|
10 | * (at your option) any later version.
|
---|
11 | *
|
---|
12 | * HeuristicLab is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | * GNU General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU General Public License
|
---|
18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
|
---|
19 | */
|
---|
20 | #endregion
|
---|
21 |
|
---|
22 |
|
---|
23 | using System;
|
---|
24 | using Microsoft.VisualStudio.TestTools.UnitTesting;
|
---|
25 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Tests {
|
---|
26 |
|
---|
27 |
|
---|
28 | [TestClass]
|
---|
29 | public class InfixExpressionParserTest {
|
---|
30 | [TestMethod]
|
---|
31 | [TestCategory("Problems.DataAnalysis.Symbolic")]
|
---|
32 | [TestProperty("Time", "short")]
|
---|
33 | public void InfixExpressionParserTestFormatting() {
|
---|
34 | var formatter = new InfixExpressionFormatter();
|
---|
35 | var parser = new InfixExpressionParser();
|
---|
36 | Assert.AreEqual("3", formatter.Format(parser.Parse("3")));
|
---|
37 | Assert.AreEqual("3 * 3", formatter.Format(parser.Parse("3*3")));
|
---|
38 | Assert.AreEqual("3 * 4",formatter.Format(parser.Parse("3 * 4")));
|
---|
39 | Assert.AreEqual("0.123",formatter.Format(parser.Parse("123E-03")));
|
---|
40 | Assert.AreEqual("0.123",formatter.Format(parser.Parse("123e-03")));
|
---|
41 | Assert.AreEqual("123000",formatter.Format(parser.Parse("123e+03")));
|
---|
42 | Assert.AreEqual("123000",formatter.Format(parser.Parse("123E+03")));
|
---|
43 | Assert.AreEqual("0.123",formatter.Format(parser.Parse("123.0E-03")));
|
---|
44 | Assert.AreEqual("0.123",formatter.Format(parser.Parse("123.0e-03")));
|
---|
45 | Assert.AreEqual("123000",formatter.Format(parser.Parse("123.0e+03")));
|
---|
46 | Assert.AreEqual("123000",formatter.Format(parser.Parse("123.0E+03")));
|
---|
47 | Assert.AreEqual("0.123",formatter.Format(parser.Parse("123.0E-3")));
|
---|
48 | Assert.AreEqual("0.123",formatter.Format(parser.Parse("123.0e-3")));
|
---|
49 | Assert.AreEqual("123000",formatter.Format(parser.Parse("123.0e+3")));
|
---|
50 | Assert.AreEqual("123000",formatter.Format(parser.Parse("123.0E+3")));
|
---|
51 |
|
---|
52 | Assert.AreEqual("3.1415 + 2",formatter.Format(parser.Parse("3.1415+2.0")));
|
---|
53 | Assert.AreEqual("3.1415 / 2",formatter.Format(parser.Parse("3.1415/2.0")));
|
---|
54 | Assert.AreEqual("3.1415 * 2",formatter.Format(parser.Parse("3.1415*2.0")));
|
---|
55 | Assert.AreEqual("3.1415 - 2", formatter.Format(parser.Parse("3.1415-2.0")));
|
---|
56 | // round-trip
|
---|
57 | Assert.AreEqual("3.1415 - 2",formatter.Format(parser.Parse(formatter.Format(parser.Parse("3.1415-2.0")))));
|
---|
58 | Assert.AreEqual("3.1415 + 2",formatter.Format(parser.Parse("3.1415+(2.0)")));
|
---|
59 | Assert.AreEqual("3.1415 + 2", formatter.Format(parser.Parse("(3.1415+(2.0))")));
|
---|
60 |
|
---|
61 |
|
---|
62 | Assert.AreEqual("LOG(3)",formatter.Format(parser.Parse("log(3)")));
|
---|
63 | Assert.AreEqual("LOG(-3)",formatter.Format(parser.Parse("log(-3)")));
|
---|
64 | Assert.AreEqual("EXP(3)",formatter.Format(parser.Parse("exp(3)")));
|
---|
65 | Assert.AreEqual("EXP(-3)",formatter.Format(parser.Parse("exp(-3)")));
|
---|
66 | Assert.AreEqual("SQRT(3)", formatter.Format(parser.Parse("sqrt(3)")));
|
---|
67 |
|
---|
68 | Assert.AreEqual("SQR(-3)", formatter.Format(parser.Parse("sqr((-3))")));
|
---|
69 |
|
---|
70 | Assert.AreEqual("3 / 3 + 2 / 2 + 1 / 1",formatter.Format(parser.Parse("3/3+2/2+1/1")));
|
---|
71 | Assert.AreEqual("-3 + 30 - 2 + 20 - 1 + 10", formatter.Format(parser.Parse("-3+30-2+20-1+10")));
|
---|
72 |
|
---|
73 | // 'flattening' of nested addition, subtraction, multiplication, or division
|
---|
74 | Assert.AreEqual("1 + 2 + 3 + 4", formatter.Format(parser.Parse("1 + 2 + 3 + 4")));
|
---|
75 | Assert.AreEqual("1 - 2 - 3 - 4", formatter.Format(parser.Parse("1 - 2 - 3 - 4")));
|
---|
76 | Assert.AreEqual("1 * 2 * 3 * 4", formatter.Format(parser.Parse("1 * 2 * 3 * 4")));
|
---|
77 | Assert.AreEqual("1 / 2 / 3 / 4", formatter.Format(parser.Parse("1 / 2 / 3 / 4")));
|
---|
78 |
|
---|
79 | // signed variables / constants
|
---|
80 | Assert.AreEqual("-1*'x1'", formatter.Format(parser.Parse("-x1")));
|
---|
81 | Assert.AreEqual("1", formatter.Format(parser.Parse("--1.0")));
|
---|
82 | Assert.AreEqual("1", formatter.Format(parser.Parse("----1.0")));
|
---|
83 | Assert.AreEqual("1", formatter.Format(parser.Parse("-+-1.0")));
|
---|
84 | Assert.AreEqual("1", formatter.Format(parser.Parse("+-+-1.0")));
|
---|
85 | Assert.AreEqual("-3 + -1", formatter.Format(parser.Parse("-3 + -1.0")));
|
---|
86 |
|
---|
87 |
|
---|
88 | Assert.AreEqual("'x1'",formatter.Format(parser.Parse("\"x1\"")));
|
---|
89 | Assert.AreEqual("'var name'",formatter.Format(parser.Parse("\'var name\'")));
|
---|
90 | Assert.AreEqual("'var name'",formatter.Format(parser.Parse("\"var name\"")));
|
---|
91 | Assert.AreEqual("'1'",formatter.Format(parser.Parse("\"1\"")));
|
---|
92 |
|
---|
93 | Assert.AreEqual("'var \" name'",formatter.Format(parser.Parse("'var \" name\'")));
|
---|
94 | Assert.AreEqual("\"var ' name\"", formatter.Format(parser.Parse("\"var \' name\"")));
|
---|
95 |
|
---|
96 |
|
---|
97 | Assert.AreEqual("'x1' * 'x2'",formatter.Format(parser.Parse("\"x1\"*\"x2\"")));
|
---|
98 | Assert.AreEqual("'x1' * 'x2' + 'x3' * 'x4'",formatter.Format(parser.Parse("\"x1\"*\"x2\"+\"x3\"*\"x4\"")));
|
---|
99 | Assert.AreEqual("'x1' * 'x2' + 'x3' * 'x4'", formatter.Format(parser.Parse("x1*x2+x3*x4")));
|
---|
100 |
|
---|
101 |
|
---|
102 | Assert.AreEqual("3 ^ 2",formatter.Format(parser.Parse("POW(3, 2)")));
|
---|
103 | Assert.AreEqual("3.1 ^ 2.1",formatter.Format(parser.Parse("POW(3.1, 2.1)")));
|
---|
104 | Assert.AreEqual("3.1 ^ 2.1",formatter.Format(parser.Parse("POW(3.1 , 2.1)")));
|
---|
105 | Assert.AreEqual("3.1 ^ 2.1",formatter.Format(parser.Parse("POW(3.1 ,2.1)")));
|
---|
106 | Assert.AreEqual("-3.1 ^ -2.1",formatter.Format(parser.Parse("POW(-3.1 , - 2.1)")));
|
---|
107 | Assert.AreEqual("ROOT(3, 2)",formatter.Format(parser.Parse("ROOT(3, 2)")));
|
---|
108 | Assert.AreEqual("ROOT(3.1, 2.1)",formatter.Format(parser.Parse("ROOT(3.1, 2.1)")));
|
---|
109 | Assert.AreEqual("ROOT(3.1, 2.1)",formatter.Format(parser.Parse("ROOT(3.1 , 2.1)")));
|
---|
110 | Assert.AreEqual("ROOT(3.1, 2.1)",formatter.Format(parser.Parse("ROOT(3.1 ,2.1)")));
|
---|
111 | Assert.AreEqual("ROOT(-3.1, -2.1)", formatter.Format(parser.Parse("ROOT(-3.1 , -2.1)")));
|
---|
112 |
|
---|
113 | Assert.AreEqual("IF(GT(0, 1), 1, 0)",formatter.Format(parser.Parse("IF(GT( 0, 1), 1, 0)")));
|
---|
114 | Assert.AreEqual("IF(LT(0, 1), 1, 0)",formatter.Format(parser.Parse("IF(LT(0,1), 1 , 0)")));
|
---|
115 | Assert.AreEqual("LAG('x', 1)",formatter.Format(parser.Parse("LAG(x, 1)")));
|
---|
116 | Assert.AreEqual("LAG('x', -1)",formatter.Format(parser.Parse("LAG(x, -1)")));
|
---|
117 | Assert.AreEqual("LAG('x', 1)",formatter.Format(parser.Parse("LAG(x, +1)")));
|
---|
118 | Assert.AreEqual("'x' * LAG('x', 1)", formatter.Format(parser.Parse("x * LAG('x', +1)")));
|
---|
119 |
|
---|
120 | // factor variables
|
---|
121 | Assert.AreEqual("'x'[1] * 'y'",formatter.Format(parser.Parse("x [1.0] * y")));
|
---|
122 | Assert.AreEqual("'x'[1, 2] * 'y'[1, 2]",formatter.Format(parser.Parse("x [1.0, 2.0] * y [1.0, 2.0]")));
|
---|
123 | Assert.AreEqual("'x'[1] * 'y'",formatter.Format(parser.Parse("x[1] * y")));
|
---|
124 | Assert.AreEqual("'x'[1, 2] * 'y'[1, 2]",formatter.Format(parser.Parse("x[1, 2] * y [1, 2]")));
|
---|
125 | Assert.AreEqual("'x'[1] * 'y'",formatter.Format(parser.Parse("x [+1.0] * y")));
|
---|
126 | Assert.AreEqual("'x'[-1] * 'y'",formatter.Format(parser.Parse("x [-1.0] * y")));
|
---|
127 | Assert.AreEqual("'x'[-1, -2] * 'y'[1, 2]", formatter.Format(parser.Parse("x [-1.0, -2.0] * y [+1.0, +2.0]")));
|
---|
128 |
|
---|
129 | // one-hot for factor
|
---|
130 | Assert.AreEqual("'x' = 'val' * 'y'",formatter.Format(parser.Parse("x='val' * y")));
|
---|
131 | Assert.AreEqual("'x' = 'val'",formatter.Format(parser.Parse("x = 'val'")));
|
---|
132 | Assert.AreEqual("'x' = 'val'",formatter.Format(parser.Parse("x = \"val\"")));
|
---|
133 | Assert.AreEqual("1 * 'x' = 'val'",formatter.Format(parser.Parse("1.0 * x = val")));
|
---|
134 | Assert.AreEqual("-1 * 'x' = 'val'",formatter.Format(parser.Parse("-1.0 * x = val")));
|
---|
135 | Assert.AreEqual("1 * 'x' = 'val1' + 'y' = 'val2'", formatter.Format(parser.Parse("+1.0 * \"x\" = val1 + y = \"val2\"")));
|
---|
136 |
|
---|
137 | // numeric parameters
|
---|
138 | Assert.AreEqual("0", formatter.Format(parser.Parse("<num>"))); // default initial value is zero
|
---|
139 | Assert.AreEqual("0", formatter.Format(parser.Parse("< num >")));
|
---|
140 | Assert.AreEqual("1", formatter.Format(parser.Parse("< num=1.0>")));
|
---|
141 | Assert.AreEqual("1", formatter.Format(parser.Parse("< num = 1.0>")));
|
---|
142 | Assert.AreEqual("-1", formatter.Format(parser.Parse("< num =-1.0>")));
|
---|
143 | Assert.AreEqual("-1", formatter.Format(parser.Parse("< num = - 1.0>")));
|
---|
144 |
|
---|
145 | // numeric parameter with sign
|
---|
146 | Assert.AreEqual("1", formatter.Format(parser.Parse("-<num=-1.0>")));
|
---|
147 |
|
---|
148 | // nested functions
|
---|
149 | Assert.AreEqual("SIN(SIN(SIN('X1')))", formatter.Format(parser.Parse("SIN(SIN(SIN(X1)))")));
|
---|
150 | }
|
---|
151 | }
|
---|
152 | }
|
---|