001: /*
002: * $Id: TestSignFunction.java,v 1.3 2005/03/03 02:22:00 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.util.HashMap;
044: import java.util.Map;
045:
046: import junit.framework.Test;
047: import junit.framework.TestSuite;
048:
049: import org.axiondb.AxionException;
050: import org.axiondb.ColumnIdentifier;
051: import org.axiondb.RowDecorator;
052: import org.axiondb.engine.rows.SimpleRow;
053:
054: /**
055: * @version $Revision: 1.3 $ $Date: 2005/03/03 02:22:00 $
056: * @author Rodney Waldhoff
057: */
058: public class TestSignFunction extends BaseFunctionTest {
059:
060: //------------------------------------------------------------ Conventional
061:
062: public TestSignFunction(String testName) {
063: super (testName);
064: }
065:
066: public static Test suite() {
067: TestSuite suite = new TestSuite(TestSignFunction.class);
068: return suite;
069: }
070:
071: //--------------------------------------------------------------- Lifecycle
072:
073: //--------------------------------------------------------------- Framework
074:
075: protected ConcreteFunction makeFunction() {
076: return new SignFunction();
077: }
078:
079: //------------------------------------------------------------------- Tests
080:
081: public void testMakekNwInstance() {
082: SignFunction function = new SignFunction();
083: assertTrue(function.makeNewInstance() instanceof SignFunction);
084: assertTrue(function.makeNewInstance() != function
085: .makeNewInstance());
086: }
087:
088: public void testSignFunctionEval() throws Exception {
089: SignFunction function = new SignFunction();
090: ColumnIdentifier sel1 = new ColumnIdentifier("arg1");
091: function.addArgument(sel1);
092: Map map = new HashMap();
093: map.put(sel1, new Integer(0));
094: RowDecorator dec = new RowDecorator(map);
095:
096: dec.setRow(new SimpleRow(new Object[] { new Float(-13.78) }));
097: assertEquals(new Integer(-1), function.evaluate(dec));
098:
099: dec.setRow(new SimpleRow(new Object[] { new Integer(13) }));
100: assertEquals(new Integer(1), function.evaluate(dec));
101:
102: dec.setRow(new SimpleRow(new Object[] { new Integer(0) }));
103: assertEquals(new Integer(0), function.evaluate(dec));
104:
105: dec.setRow(new SimpleRow(new Object[] { null }));
106: assertNull(function.evaluate(dec));
107:
108: try {
109: dec.setRow(new SimpleRow(new Object[] { "string" }));
110: assertNull(function.evaluate(dec));
111: fail("Expected conversion error");
112: } catch (AxionException e) {
113: // expected
114: }
115:
116: }
117:
118: public void testSignFunctionInvalid() throws Exception {
119: SignFunction function = new SignFunction();
120: assertTrue(!function.isValid());
121: function.addArgument(new ColumnIdentifier("arg1"));
122: function.addArgument(new ColumnIdentifier("arg2"));
123: assertTrue(!function.isValid());
124: }
125:
126: public void testSignFunctionValid() throws Exception {
127: SignFunction function = new SignFunction();
128: function.addArgument(new ColumnIdentifier("arg1"));
129: assertTrue(function.isValid());
130: }
131: }
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