svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / test / java / org / gvsig / expresionevaluator / impl / TestSQLLexer.java @ 44421
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1 | 43512 | jjdelcerro | package org.gvsig.expresionevaluator.impl; |
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2 | |||
3 | import org.gvsig.expressionevaluator.impl.SQLLexicalAnalyzer; |
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4 | import junit.framework.TestCase; |
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5 | import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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6 | import org.gvsig.expressionevaluator.LexicalAnalyzer.Token; |
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7 | 44098 | jjdelcerro | import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
8 | 43512 | jjdelcerro | |
9 | public class TestSQLLexer extends TestCase { |
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10 | |||
11 | public TestSQLLexer(String testName) { |
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12 | super(testName);
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13 | } |
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14 | |||
15 | @Override
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16 | protected void setUp() throws Exception { |
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17 | super.setUp();
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18 | 44098 | jjdelcerro | new DefaultLibrariesInitializer().fullInitialize();
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19 | 43512 | jjdelcerro | } |
20 | |||
21 | @Override
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22 | protected void tearDown() throws Exception { |
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23 | super.tearDown();
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24 | } |
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25 | |||
26 | // TODO add test methods here. The name must begin with 'test'. For example:
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27 | // public void testHello() {}
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28 | |||
29 | protected LexicalAnalyzer createLexicalAnalyzer(String expression) { |
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30 | SQLLexicalAnalyzer lex = new SQLLexicalAnalyzer(expression);
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31 | return lex;
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32 | } |
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33 | |||
34 | public void testIdentifier1() { |
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35 | String expression = "precio"; |
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36 | |||
37 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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38 | Token t1 = lex.next(); |
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39 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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40 | assertEquals("precio", t1.getLiteral());
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41 | } |
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42 | |||
43 | public void testIdentifier2() { |
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44 | String expression = "\"precio\""; |
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45 | |||
46 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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47 | Token t1 = lex.next(); |
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48 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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49 | assertEquals("precio", t1.getLiteral());
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50 | } |
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51 | |||
52 | public void testIdentifier3() { |
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53 | String expression = "[precio]"; |
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54 | |||
55 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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56 | 44139 | jjdelcerro | lex.setUseBracketsForIdentifiers(true);
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57 | |||
58 | 43512 | jjdelcerro | Token t1 = lex.next(); |
59 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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60 | assertEquals("precio", t1.getLiteral());
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61 | } |
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62 | |||
63 | public void testTrue() { |
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64 | String expression = "true"; |
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65 | |||
66 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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67 | Token t1 = lex.next(); |
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68 | assertEquals(Token.TRUE, t1.getType()); |
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69 | assertEquals("true", t1.getLiteral());
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70 | } |
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71 | |||
72 | public void testFalse() { |
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73 | String expression = "false"; |
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74 | |||
75 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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76 | Token t1 = lex.next(); |
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77 | assertEquals(Token.FALSE, t1.getType()); |
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78 | assertEquals("false", t1.getLiteral());
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79 | } |
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80 | |||
81 | public void testNull() { |
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82 | String expression = "null"; |
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83 | |||
84 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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85 | Token t1 = lex.next(); |
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86 | assertEquals(Token.NULL, t1.getType()); |
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87 | assertEquals("null", t1.getLiteral());
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88 | assertNotNull(t1.getValue()); |
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89 | } |
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90 | |||
91 | public void testIsNull() { |
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92 | String expression = "isnull"; |
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93 | |||
94 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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95 | Token t1 = lex.next(); |
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96 | assertEquals(Token.ISNULL, t1.getType()); |
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97 | assertEquals("isnull", t1.getLiteral());
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98 | assertNotNull(t1.getValue()); |
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99 | } |
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100 | |||
101 | public void testNotNull() { |
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102 | String expression = "notnull"; |
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103 | |||
104 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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105 | Token t1 = lex.next(); |
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106 | assertEquals(Token.NOTNULL, t1.getType()); |
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107 | assertEquals("notnull", t1.getLiteral());
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108 | assertNotNull(t1.getValue()); |
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109 | } |
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110 | |||
111 | public void testNotTrue() { |
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112 | String expression = "not true"; |
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113 | |||
114 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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115 | Token t1 = lex.next(); |
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116 | assertEquals(Token.OP_NOT, t1.getType()); |
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117 | assertEquals("not", t1.getLiteral());
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118 | t1 = lex.next(); |
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119 | assertEquals(Token.TRUE, t1.getType()); |
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120 | assertEquals("true", t1.getLiteral());
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121 | } |
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122 | |||
123 | public void testInteger() { |
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124 | String expression = "23"; |
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125 | |||
126 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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127 | Token t1 = lex.next(); |
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128 | assertEquals(Token.INTEGER_LITERAL, t1.getType()); |
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129 | assertEquals("23", t1.getLiteral());
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130 | 44139 | jjdelcerro | assertEquals((Integer)23, t1.getValue()); |
131 | 43512 | jjdelcerro | } |
132 | |||
133 | public void testDecimal() { |
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134 | String expression = "23.1"; |
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135 | |||
136 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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137 | Token t1 = lex.next(); |
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138 | assertEquals(Token.FLOATING_POINT_LITERAL, t1.getType()); |
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139 | assertEquals("23.1", t1.getLiteral());
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140 | assertEquals(new Double(23.1), t1.getValue()); |
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141 | } |
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142 | |||
143 | public void testStringLiteral1() { |
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144 | String expression = "'hola macu'"; |
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145 | |||
146 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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147 | Token t1 = lex.next(); |
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148 | assertEquals(Token.STRING_LITERAL, t1.getType()); |
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149 | assertEquals("hola macu", t1.getLiteral());
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150 | assertEquals("hola macu", t1.getValue());
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151 | } |
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152 | |||
153 | public void testStringLiteral2() { |
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154 | String expression = "'hola''s macu'"; |
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155 | |||
156 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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157 | Token t1 = lex.next(); |
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158 | assertEquals(Token.STRING_LITERAL, t1.getType()); |
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159 | assertEquals("hola's macu", t1.getLiteral());
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160 | assertEquals("hola's macu", t1.getValue());
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161 | } |
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162 | |||
163 | public void operator(String operatorName, int operatorId) { |
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164 | String expression = "precio " + operatorName + " 23"; |
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165 | |||
166 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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167 | Token t1 = lex.next(); |
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168 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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169 | assertEquals("precio", t1.getLiteral());
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170 | |||
171 | Token t2 = lex.next(); |
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172 | assertEquals(operatorId, t2.getType()); |
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173 | assertEquals(operatorName, t2.getLiteral()); |
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174 | |||
175 | Token t3 = lex.next(); |
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176 | assertEquals(Token.INTEGER_LITERAL, t3.getType()); |
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177 | assertEquals("23", t3.getLiteral());
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178 | 44139 | jjdelcerro | assertEquals((Integer)23, t3.getValue()); |
179 | 43512 | jjdelcerro | } |
180 | |||
181 | public void testOperators() { |
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182 | |||
183 | operator("=", Token.OP_EQ);
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184 | operator("<>", Token.OP_NE);
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185 | operator(">", Token.OP_GT);
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186 | operator(">=", Token.OP_GE);
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187 | operator("<", Token.OP_LT);
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188 | operator("<=", Token.OP_LE);
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189 | operator("like", Token.PRED_LIKE);
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190 | operator("ilike", Token.PRED_ILIKE);
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191 | operator("+", Token.OP_ADD);
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192 | operator("-", Token.OP_SUBST);
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193 | operator("*", Token.OP_MULT);
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194 | // operator("^", Token.OP_POW);
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195 | operator("or", Token.OP_OR);
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196 | operator("and", Token.OP_AND);
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197 | operator("%", Token.OP_MOD);
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198 | operator("is", Token.PRED_IS);
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199 | 43939 | jjdelcerro | operator("->", Token.OP_GETATTR);
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200 | operator(".", Token.OP_GETATTR);
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201 | 43512 | jjdelcerro | |
202 | } |
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203 | |||
204 | public void testPar() { |
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205 | String expression = "precio = ( 23 + 5 )"; |
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206 | |||
207 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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208 | Token t1 = lex.next(); |
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209 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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210 | assertEquals("precio", t1.getLiteral());
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211 | |||
212 | t1 = lex.next(); |
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213 | assertEquals(Token.OP_EQ, t1.getType()); |
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214 | assertEquals("=", t1.getLiteral());
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215 | |||
216 | t1 = lex.next(); |
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217 | assertEquals(Token.PARENTHESIS_OPEN, t1.getType()); |
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218 | assertEquals("(", t1.getLiteral());
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219 | |||
220 | t1 = lex.next(); |
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221 | assertEquals(Token.INTEGER_LITERAL, t1.getType()); |
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222 | assertEquals("23", t1.getLiteral());
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223 | 44139 | jjdelcerro | assertEquals((Integer)23, t1.getValue()); |
224 | 43512 | jjdelcerro | |
225 | t1 = lex.next(); |
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226 | assertEquals(Token.OP_ADD, t1.getType()); |
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227 | assertEquals("+", t1.getLiteral());
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228 | |||
229 | t1 = lex.next(); |
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230 | assertEquals(Token.INTEGER_LITERAL, t1.getType()); |
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231 | assertEquals("5", t1.getLiteral());
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232 | 44139 | jjdelcerro | assertEquals((Integer)5, t1.getValue()); |
233 | 43512 | jjdelcerro | |
234 | t1 = lex.next(); |
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235 | assertEquals(Token.PARENTHESIS_CLOSE, t1.getType()); |
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236 | assertEquals(")", t1.getLiteral());
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237 | } |
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238 | |||
239 | public void testFuncWithArgs() { |
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240 | String expression = "precio = add(23, 5)"; |
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241 | |||
242 | LexicalAnalyzer lex = createLexicalAnalyzer(expression); |
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243 | Token t1 = lex.next(); |
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244 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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245 | assertEquals("precio", t1.getLiteral());
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246 | |||
247 | t1 = lex.next(); |
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248 | assertEquals(Token.OP_EQ, t1.getType()); |
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249 | assertEquals("=", t1.getLiteral());
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250 | |||
251 | t1 = lex.next(); |
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252 | assertEquals(Token.IDENTIFIER, t1.getType()); |
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253 | assertEquals("add", t1.getLiteral());
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254 | |||
255 | t1 = lex.next(); |
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256 | assertEquals(Token.PARENTHESIS_OPEN, t1.getType()); |
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257 | assertEquals("(", t1.getLiteral());
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258 | |||
259 | t1 = lex.next(); |
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260 | assertEquals(Token.INTEGER_LITERAL, t1.getType()); |
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261 | assertEquals("23", t1.getLiteral());
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262 | 44139 | jjdelcerro | assertEquals((Integer)23, t1.getValue()); |
263 | 43512 | jjdelcerro | |
264 | t1 = lex.next(); |
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265 | assertEquals(Token.COMA, t1.getType()); |
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266 | assertEquals(",", t1.getLiteral());
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267 | |||
268 | t1 = lex.next(); |
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269 | assertEquals(Token.INTEGER_LITERAL, t1.getType()); |
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270 | assertEquals("5", t1.getLiteral());
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271 | 44139 | jjdelcerro | assertEquals((Integer)5, t1.getValue()); |
272 | 43512 | jjdelcerro | |
273 | t1 = lex.next(); |
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274 | assertEquals(Token.PARENTHESIS_CLOSE, t1.getType()); |
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275 | assertEquals(")", t1.getLiteral());
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276 | } |
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277 | } |