Revision 44619
| 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/TestExpression.java | ||
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package org.gvsig.expresionevaluator.impl; |
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import junit.framework.TestCase; |
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import org.apache.commons.lang3.Range; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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import org.gvsig.expressionevaluator.spi.AbstractFunction; |
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import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
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import org.gvsig.tools.library.impl.DefaultLibrariesInitializer; |
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public class TestExpression extends TestCase {
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public class TestExpression extends TestCase {
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private static class MyValueSymbolTable extends AbstractSymbolTable {
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private class MyValueFunction extends AbstractFunction {
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public MyValueFunction() {
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super("Numeric", "MyValue", Range.is(0));
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} |
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@Override |
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public Object call(Interpreter interpreter, Object[] args) {
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return value; |
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} |
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@Override |
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public boolean allowConstantFolding() {
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return false; |
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} |
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} |
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private int value; |
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@SuppressWarnings("OverridableMethodCallInConstructor")
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public MyValueSymbolTable(String name) {
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super(name); |
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this.addFunction(new MyValueFunction()); |
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} |
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public void setValue(int value) {
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this.value = value; |
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} |
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} |
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public TestExpression(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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private MutableSymbolTable createMutableSymbolTable() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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MutableSymbolTable t = manager.createSymbolTable(); |
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return t;
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return t; |
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} |
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private Expression createExpression() {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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Expression e = manager.createExpression(); |
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return e;
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return e; |
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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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public void testToJSON1() {
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String source = "precio + 10"; |
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Expression expression = createExpression(); |
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expression.setPhrase(source); |
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assertEquals( |
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"{\"phrase\":\"precio + 10\"}",
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"{\"phrase\":\"precio + 10\"}",
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expression.toJSON() |
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); |
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} |
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public void testA() {
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Expression expression = createExpression(); |
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expression.setPhrase("precio * 10");
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MutableSymbolTable t1 = createMutableSymbolTable(); |
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t1.setVar("precio", 2);
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Object v1 = expression.execute(t1); |
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assertEquals(20, (int)v1); |
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assertEquals(20, (int) v1);
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t1.setVar("precio", 3);
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v1 = expression.execute(t1); |
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assertEquals(30, (int)v1); |
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assertEquals(30, (int) v1);
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MutableSymbolTable t2 = createMutableSymbolTable(); |
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t2.setVar("precio", 4);
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v1 = expression.execute(t2); |
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assertEquals(40, (int)v1); |
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assertEquals(40, (int) v1);
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} |
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public void testB() {
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Expression expression = createExpression(); |
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expression.setPhrase("MYVALUE()");
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MyValueSymbolTable t1 = new MyValueSymbolTable("MyValueSymbolTable1");
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t1.setValue(2); |
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Object v1 = expression.execute(t1); |
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assertEquals(2, (int) v1); |
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t1.setValue(3); |
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v1 = expression.execute(t1); |
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assertEquals(3, (int) v1); |
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MyValueSymbolTable t2 = new MyValueSymbolTable("MyValueSymbolTable2");
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expression.link(t2); |
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t2.setValue(4); |
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v1 = expression.execute(t2); |
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assertEquals(4, (int) v1); |
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} |
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} |
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