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 / TestInterpreter.java @ 44098
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package org.gvsig.expresionevaluator.impl; |
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import org.gvsig.expressionevaluator.impl.DefaultInterpreter; |
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import org.gvsig.expressionevaluator.impl.DefaultSymbolTable; |
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import org.gvsig.expressionevaluator.impl.SQLLexicalAnalyzer; |
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import org.gvsig.expressionevaluator.impl.DefaultCompiler; |
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import junit.framework.TestCase; |
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import org.gvsig.expressionevaluator.LexicalAnalyzer; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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public class TestInterpreter extends TestCase { |
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public TestInterpreter(String testName) { |
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super(testName);
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} |
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@Override
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protected void setUp() throws Exception { |
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super.setUp();
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new DefaultLibrariesInitializer().fullInitialize();
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} |
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@Override
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protected void tearDown() throws Exception { |
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super.tearDown();
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} |
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// TODO add test methods here. The name must begin with 'test'. For example:
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// public void testHello() {}
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protected LexicalAnalyzer createLexicalAnalyzer() {
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SQLLexicalAnalyzer lexer = new SQLLexicalAnalyzer();
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return lexer;
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} |
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protected Compiler createCompiler() { |
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Compiler compiler = new DefaultCompiler(); |
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compiler.setLexicalAnalyzer(createLexicalAnalyzer()); |
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return compiler;
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} |
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protected SymbolTable createSymbolTable() {
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DefaultSymbolTable symbolTable = new DefaultSymbolTable();
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symbolTable.setVar("precio", 200); |
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symbolTable.setVar("1990", 0.168873933773767); |
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return symbolTable;
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} |
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protected Interpreter createInterpreter(SymbolTable symbolTable) {
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Interpreter interpreter = new DefaultInterpreter();
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interpreter.setSymbolTable(symbolTable); |
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return interpreter;
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} |
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public void testIdentifier1() { |
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String source = "precio"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(200, ((Number)v).intValue()); |
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} |
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public void testInteger() { |
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String source = "23"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(23, ((Number)v).intValue()); |
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} |
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public void testTrue() { |
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String source = "true"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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assertEquals(Boolean.TRUE, interpreter.run(code));
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} |
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public void testFalse() { |
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String source = "false"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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assertEquals(Boolean.FALSE, interpreter.run(code));
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} |
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public void testNull() { |
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String source = "null"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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assertEquals(null, interpreter.run(code));
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} |
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public void testAdd1() { |
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String source = "precio + 10"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(210, ((Number)v).intValue()); |
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} |
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public void testSimpleAdd1() { |
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String source = "5+10"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(15, ((Number)v).intValue()); |
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} |
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public void testSimpleAdd2() { |
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String source = "5 + 10"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(15, ((Number)v).intValue()); |
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} |
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public void testSimpleAdd3() { |
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String source = "10+-5"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(5, ((Number)v).intValue()); |
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} |
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public void testSimpleSub1() { |
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String source = "10-5"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(5, ((Number)v).intValue()); |
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} |
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public void testSimpleSub2() { |
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String source = "10 - 5"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(5, ((Number)v).intValue()); |
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} |
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public void testSimpleNumber() { |
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String source = "23"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(23, ((Number)v).intValue()); |
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} |
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public void testSimpleNegativeNumber() { |
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String source = "-23"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(-23, ((Number)v).intValue()); |
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} |
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public void testNegateFunction() { |
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String source = "-PI()"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(-Math.PI, ((Number)v).doubleValue()); |
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} |
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public void testSub1() { |
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String source = "precio - 10"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(190, ((Number)v).intValue()); |
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} |
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public void testMul1() { |
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String source = "precio * 10"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(2000, ((Number)v).intValue()); |
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} |
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public void testDiv1() { |
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String source = "precio / 10"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(20, ((Number)v).intValue()); |
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} |
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public void testAdd2() { |
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String source = "precio + 10 + 20 + 30"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(260, ((Number)v).intValue()); |
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} |
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public void testAddMul() { |
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String source = "precio + 10 * 2 + 20 + 30"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(270, ((Number)v).intValue()); |
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} |
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public void testAddMulPar() { |
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String source = "(precio + 10) * 2 + 20 + 30"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(470, ((Number)v).intValue()); |
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} |
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public void testAbs() { |
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String source = "precio + abs(10)"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(210, ((Number)v).intValue()); |
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} |
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public void testAbs2() { |
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String source = "precio + abs(-10)"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(210, ((Number)v).intValue()); |
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} |
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public void testCeil() { |
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String source = "precio + CEIL(PI())"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(204, ((Number)v).intValue()); |
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} |
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public void testConcat() { |
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String source = "CONCAT(precio,' euros')"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals("200 euros", (String)v); |
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} |
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public void testAccuracy() { |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code; |
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Object v;
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code = compiler.compileExpression("[1990] = 0.168873933773767");
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v = interpreter.run(code); |
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assertEquals(true, ((Boolean)v).booleanValue()); |
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code = compiler.compileExpression("[1990] = 0.1688739");
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v = interpreter.run(code); |
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assertEquals(false, ((Boolean)v).booleanValue()); |
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interpreter.setAccuracy(0.0000001);
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v = interpreter.run(code); |
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assertEquals(true, ((Boolean)v).booleanValue()); |
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} |
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public void test2fields() { |
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String source = "[1990] = [precio]"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(false, ((Boolean)v).booleanValue()); |
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} |
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public void testInvokeMethod1() { |
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String source = "'hola'.length()"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(4, ((Number)v).intValue()); |
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} |
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public void testInvokeMethod2() { |
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String source = "'hola'.indexOf('l')"; |
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SymbolTable symbolTable = createSymbolTable(); |
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Compiler compiler = createCompiler();
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Interpreter interpreter = createInterpreter(symbolTable); |
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Code code = compiler.compileExpression(source); |
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Object v = interpreter.run(code);
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assertEquals(2, ((Number)v).intValue()); |
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} |
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} |