/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.query.impl.predicates;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static com.hazelcast.query.impl.predicates.PredicateTestUtils.entry;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class GreaterLessPredicateTest {
@Test
public void negate_whenEqualsTrueAndLessTrue_thenReturnNewInstanceWithEqualsFalseAndLessFalse() {
String attribute = "attribute";
Comparable value = 1;
GreaterLessPredicate original = new GreaterLessPredicate(attribute, value, true, true);
GreaterLessPredicate negate = (GreaterLessPredicate) original.negate();
assertThat(negate, not(sameInstance(original)));
assertThat(negate.attributeName, equalTo(attribute));
assertThat(negate.equal, is(false));
assertThat(negate.less, is(false));
}
@Test
public void negate_whenEqualsFalseAndLessFalse_thenReturnNewInstanceWithEqualsTrueAndLessTrue() {
String attribute = "attribute";
Comparable value = 1;
GreaterLessPredicate original = new GreaterLessPredicate(attribute, value, false, false);
GreaterLessPredicate negate = (GreaterLessPredicate) original.negate();
assertThat(negate, not(sameInstance(original)));
assertThat(negate.attributeName, equalTo(attribute));
assertThat(negate.equal, is(true));
assertThat(negate.less, is(true));
}
@Test
public void negate_whenEqualsTrueAndLessFalse_thenReturnNewInstanceWithEqualsFalseAndLessTrue() {
String attribute = "attribute";
Comparable value = 1;
GreaterLessPredicate original = new GreaterLessPredicate(attribute, value, true, false);
GreaterLessPredicate negate = (GreaterLessPredicate) original.negate();
assertThat(negate, not(sameInstance(original)));
assertThat(negate.attributeName, equalTo(attribute));
assertThat(negate.equal, is(false));
assertThat(negate.less, is(true));
}
@Test
public void negate_whenEqualsFalseAndLessTrue_thenReturnNewInstanceWithEqualsTrueAndLessFalse() {
String attribute = "attribute";
Comparable value = 1;
GreaterLessPredicate original = new GreaterLessPredicate(attribute, value, false, true);
GreaterLessPredicate negate = (GreaterLessPredicate) original.negate();
assertThat(negate, not(sameInstance(original)));
assertThat(negate.attributeName, equalTo(attribute));
assertThat(negate.equal, is(true));
assertThat(negate.less, is(false));
}
@Test
@SuppressWarnings("unchecked")
// should be fixed in 4.0; See: https://github.com/hazelcast/hazelcast/issues/6188
public void equal_zeroMinusZero() {
final boolean equal = true;
final boolean less = false;
// in GreaterLessPredicate predicate
assertFalse(new GreaterLessPredicate("this", 0.0, equal, less).apply(entry(-0.0)));
assertFalse(new GreaterLessPredicate("this", 0.0d, equal, less).apply(entry(-0.0d)));
assertFalse(new GreaterLessPredicate("this", 0.0, equal, less).apply(entry(-0.0d)));
assertFalse(new GreaterLessPredicate("this", 0.0d, equal, less).apply(entry(-0.0)));
// whereas in Java
assertTrue(0.0 == -0.0);
assertTrue(0.0d == -0.0d);
assertTrue(0.0 == -0.0d);
assertTrue(0.0d == -0.0);
}
@Test
@SuppressWarnings("unchecked")
// should be fixed in 4.0; See: https://github.com/hazelcast/hazelcast/issues/6188
public void equal_NaN() {
final boolean equal = true;
final boolean less = false;
// in GreaterLessPredicate
assertTrue(new GreaterLessPredicate("this", Double.NaN, equal, less).apply(entry(Double.NaN)));
assertTrue(new GreaterLessPredicate("this", Float.NaN, equal, less).apply(entry(Float.NaN)));
assertTrue(new GreaterLessPredicate("this", Double.NaN, equal, less).apply(entry(-Double.NaN)));
assertTrue(new GreaterLessPredicate("this", Float.NaN, equal, less).apply(entry(-Float.NaN)));
assertTrue(new GreaterLessPredicate("this", Double.NaN, equal, less).apply(entry(-Float.NaN)));
assertTrue(new GreaterLessPredicate("this", Float.NaN, equal, less).apply(entry(-Double.NaN)));
// whereas in Java
assertFalse(Double.NaN == Double.NaN);
assertFalse(Float.NaN == Float.NaN);
assertFalse(Double.NaN == -Double.NaN);
assertFalse(Float.NaN == -Float.NaN);
assertFalse(Double.NaN == -Float.NaN);
assertFalse(Float.NaN == -Double.NaN);
}
@Test
@SuppressWarnings("unchecked")
// should be fixed in 4.0; See: https://github.com/hazelcast/hazelcast/issues/6188
public void greaterThan() {
final boolean equal = true;
// in GreaterLessPredicate
assertTrue(new GreaterLessPredicate("this", 100.0, equal, false).apply(entry(Double.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0d, equal, false).apply(entry(Double.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0, equal, false).apply(entry(Float.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0d, equal, false).apply(entry(Float.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0, equal, false).apply(entry(-Double.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0d, equal, false).apply(entry(-Double.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0, equal, false).apply(entry(-Float.NaN)));
assertTrue(new GreaterLessPredicate("this", 100.0d, equal, false).apply(entry(-Float.NaN)));
assertFalse(new GreaterLessPredicate("this", -100.0, equal, true).apply(entry(-Double.NaN)));
assertFalse(new GreaterLessPredicate("this", -100.0d, equal, true).apply(entry(-Double.NaN)));
assertFalse(new GreaterLessPredicate("this", -100.0, equal, true).apply(entry(-Float.NaN)));
assertFalse(new GreaterLessPredicate("this", -100.0d, equal, true).apply(entry(-Float.NaN)));
// whereas in Java
assertFalse(Double.NaN > 100.0);
assertFalse(Double.NaN > 100.0d);
assertFalse(Float.NaN > 100.0);
assertFalse(Float.NaN > 100.0d);
assertFalse(-Double.NaN > 100.0);
assertFalse(-Double.NaN > 100.0d);
assertFalse(-Float.NaN > 100.0);
assertFalse(-Float.NaN > 100.0d);
assertFalse(-Double.NaN < -100.0);
assertFalse(-Double.NaN < -100.0d);
assertFalse(-Float.NaN < -100.0);
assertFalse(-Float.NaN < -100.0d);
}
}