@Test
public void testTrueFalseEvaluation() {
Assert.assertEquals(true, m.isTrue(trueSentence));
Assert.assertEquals(false, m.isFalse(trueSentence));
Assert.assertEquals(false, m.isTrue(falseSentence));
Assert.assertEquals(true, m.isFalse(falseSentence));
}
@Test
public void testSentenceStatusWhenPFalseAndQFalse() {
String p = "P";
String q = "Q";
m = m.extend(new Symbol(p), false);
m = m.extend(new Symbol(q), false);
Assert.assertEquals(true, m.isFalse(andSentence));
Assert.assertEquals(true, m.isFalse(orSentence));
Assert.assertEquals(true, m.isTrue(impliedSentence));
Assert.assertEquals(true, m.isTrue(biConditionalSentence));
}
@Test
public void testComplexSentence() {
String p = "P";
String q = "Q";
m = m.extend(new Symbol(p), true);
m = m.extend(new Symbol(q), false);
Sentence sent = (Sentence) parser.parse("((P OR Q) AND (P => Q))");
Assert.assertFalse(m.isTrue(sent));
Assert.assertTrue(m.isFalse(sent));
Sentence sent2 = (Sentence) parser.parse("((P OR Q) AND (Q))");
Assert.assertFalse(m.isTrue(sent2));
Assert.assertTrue(m.isFalse(sent2));
}
@Test
public void testExtendModel() {
String p = "P";
m = m.extend(new Symbol(p), true);
Assert.assertEquals(Boolean.TRUE, m.getStatus(new Symbol("P")));
}
@Test
public void testEmptyModel() {
Assert.assertEquals(null, m.getStatus(new Symbol("P")));
Assert.assertEquals(true, m.isUnknown(new Symbol("P")));
}