001: /*
002: * $Id: TestTruncateFunction.java,v 1.3 2005/03/04 09:09:17 ahimanikya Exp $
003: * =======================================================================
004: * Copyright (c) 2003 Axion Development Team. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above
011: * copyright notice, this list of conditions and the following
012: * disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The names "Tigris", "Axion", nor the names of its contributors may
020: * not be used to endorse or promote products derived from this
021: * software without specific prior written permission.
022: *
023: * 4. Products derived from this software may not be called "Axion", nor
024: * may "Tigris" or "Axion" appear in their names without specific prior
025: * written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
028: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
029: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
030: * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
031: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
032: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
033: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
034: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
035: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
037: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038: * =======================================================================
039: */
040:
041: package org.axiondb.functions;
042:
043: import java.math.BigDecimal;
044: import java.util.HashMap;
045: import java.util.Map;
046:
047: import junit.framework.Test;
048: import junit.framework.TestSuite;
049:
050: import org.axiondb.AxionException;
051: import org.axiondb.ColumnIdentifier;
052: import org.axiondb.RowDecorator;
053: import org.axiondb.engine.rows.SimpleRow;
054:
055: /**
056: * @version $Revision: 1.3 $ $Date: 2005/03/04 09:09:17 $
057: * @author Rodney Waldhoff
058: */
059: public class TestTruncateFunction extends BaseFunctionTest {
060:
061: //------------------------------------------------------------ Conventional
062:
063: public TestTruncateFunction(String testName) {
064: super (testName);
065: }
066:
067: public static Test suite() {
068: TestSuite suite = new TestSuite(TestTruncateFunction.class);
069: return suite;
070: }
071:
072: //--------------------------------------------------------------- Lifecycle
073:
074: //--------------------------------------------------------------- Framework
075:
076: protected ConcreteFunction makeFunction() {
077: return new TruncateFunction();
078: }
079:
080: //------------------------------------------------------------------- Tests
081:
082: public void testMakekNwInstance() {
083: TruncateFunction function = new TruncateFunction();
084: assertTrue(function.makeNewInstance() instanceof TruncateFunction);
085: assertTrue(function.makeNewInstance() != function
086: .makeNewInstance());
087: }
088:
089: public void testTruncateFunctionEval() throws Exception {
090: TruncateFunction function = new TruncateFunction();
091: ColumnIdentifier sel1 = new ColumnIdentifier("arg1");
092: ColumnIdentifier sel2 = new ColumnIdentifier("arg2");
093: function.addArgument(sel1);
094: function.addArgument(sel2);
095: Map map = new HashMap();
096: map.put(sel1, new Integer(0));
097: map.put(sel2, new Integer(1));
098: RowDecorator dec = new RowDecorator(map);
099: dec.setRow(new SimpleRow(new Object[] { new Double(2.0791812),
100: new Integer(2) }));
101: assertEquals(new BigDecimal("2.07"), function.evaluate(dec));
102:
103: dec.setRow(new SimpleRow(new Object[] { new Double(-2.0791812),
104: new Integer(2) }));
105: assertEquals(new BigDecimal("-2.07"), function.evaluate(dec));
106:
107: dec
108: .setRow(new SimpleRow(new Object[] { null,
109: new Integer(2) }));
110: assertNull(function.evaluate(dec));
111:
112: dec.setRow(new SimpleRow(new Object[] { new Double(2.0791812),
113: null }));
114: assertNull(function.evaluate(dec));
115:
116: try {
117: dec.setRow(new SimpleRow(new Object[] { "string",
118: new Integer(2) }));
119: function.evaluate(dec);
120: fail("Expected conversion error");
121: } catch (AxionException e) {
122: // expected
123: }
124:
125: try {
126: dec.setRow(new SimpleRow(new Object[] {
127: new Double(2.0791812), "string" }));
128: function.evaluate(dec);
129: fail("Expected conversion error");
130: } catch (AxionException e) {
131: // expected
132: }
133:
134: }
135:
136: public void testTruncateFunctionInvalid() throws Exception {
137: TruncateFunction function = new TruncateFunction();
138: assertTrue(!function.isValid());
139: function.addArgument(new ColumnIdentifier("arg1"));
140: function.addArgument(new ColumnIdentifier("arg2"));
141: function.addArgument(new ColumnIdentifier("arg3"));
142: assertTrue(!function.isValid());
143: }
144:
145: public void testTruncateFunctionValid() throws Exception {
146: TruncateFunction function = new TruncateFunction();
147: function.addArgument(new ColumnIdentifier("arg1"));
148: function.addArgument(new ColumnIdentifier("arg2"));
149: assertTrue(function.isValid());
150: }
151: }
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