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reduceUpLow test

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This commit is contained in:
Florian Steurer 2015-11-08 17:05:35 +01:00
parent b3514a8375
commit e695429262
1 changed files with 31 additions and 1 deletions
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32
test/unify/RuleSetTest.java
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@ -16,7 +16,6 @@ import de.dhbwstuttgart.typinference.unify.model.FiniteClosure;
import de.dhbwstuttgart.typinference.unify.model.MPair; import de.dhbwstuttgart.typinference.unify.model.MPair;
import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator; import de.dhbwstuttgart.typinference.unify.model.MPair.PairOperator;
import de.dhbwstuttgart.typinference.unify.model.SimpleType; import de.dhbwstuttgart.typinference.unify.model.SimpleType;
import de.dhbwstuttgart.typinference.unify.model.SuperType;
public class RuleSetTest { public class RuleSetTest {
@ -97,7 +96,38 @@ public class RuleSetTest {
@Test @Test
public void testReduceUpLow() { public void testReduceUpLow() {
IRuleSet rules = new RuleSet(new FiniteClosureBuilder().getFiniteClosure());
TypeFactory tf = new TypeFactory();
/*
* Positive Tests
*/
MPair reduce1 = new MPair(tf.getExtendsType(tf.getSimpleType("type")), tf.getSuperType(tf.getSimpleType("type")), PairOperator.SMALLERDOT);
MPair reduce2 = new MPair(tf.getExtendsType(tf.getSimpleType("type")), tf.getSuperType(tf.getPlaceholderType("T")), PairOperator.SMALLERDOT);
MPair expected1 = new MPair(tf.getSimpleType("type"), tf.getSimpleType("type"), PairOperator.SMALLERDOT);
MPair expected2 = new MPair(tf.getSimpleType("type"), tf.getPlaceholderType("T"), PairOperator.SMALLERDOT);
Optional<MPair> opt1 = rules.reduceUpLow(reduce1);
Optional<MPair> opt2 = rules.reduceUpLow(reduce2);
Assert.assertTrue(opt1.isPresent());
Assert.assertTrue(opt2.isPresent());
Assert.assertEquals(opt1.get(), expected1);
Assert.assertEquals(opt2.get(), expected2);
/*
* Negative Tests
*/
MPair noreduce1 = new MPair(tf.getExtendsType(tf.getSimpleType("type")), tf.getExtendsType(tf.getSimpleType("type")), PairOperator.SMALLERDOT);
MPair noreduce2 = new MPair(tf.getSuperType(tf.getPlaceholderType("T")), tf.getExtendsType(tf.getSimpleType("type")), PairOperator.SMALLERDOT);
MPair noreduce3 = new MPair(tf.getSuperType(tf.getPlaceholderType("T")), tf.getSimpleType("type"), PairOperator.SMALLERDOT);
MPair noreduce4 = new MPair(tf.getExtendsType(tf.getPlaceholderType("T")), tf.getSimpleType("type"), PairOperator.EQUALSDOT);
Assert.assertFalse(rules.reduceUpLow(noreduce1).isPresent());
Assert.assertFalse(rules.reduceUpLow(noreduce2).isPresent());
Assert.assertFalse(rules.reduceUpLow(noreduce3).isPresent());
Assert.assertFalse(rules.reduceUpLow(noreduce4).isPresent());
} }
@Test @Test