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