/*
* Copyright 2013 Google 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.google.errorprone.refaster;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.SerializableTester;
import com.sun.source.tree.Tree.Kind;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link UBinary}.
*
* @author lowasser@google.com (Louis Wasserman)
*/
@RunWith(JUnit4.class)
public class UBinaryTest extends AbstractUTreeTest {
@Test
public void plus() {
assertUnifiesAndInlines(
"4 + 17",
UBinary.create(Kind.PLUS, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void minus() {
assertUnifiesAndInlines(
"4 - 17",
UBinary.create(Kind.MINUS, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void times() {
assertUnifiesAndInlines(
"4 * 17",
UBinary.create(Kind.MULTIPLY, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void divide() {
assertUnifiesAndInlines(
"4 / 17",
UBinary.create(Kind.DIVIDE, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void mod() {
assertUnifiesAndInlines(
"4 % 17",
UBinary.create(Kind.REMAINDER, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void lessThan() {
assertUnifiesAndInlines(
"4 < 17",
UBinary.create(Kind.LESS_THAN, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void lessThanOrEqual() {
assertUnifiesAndInlines(
"4 <= 17",
UBinary.create(Kind.LESS_THAN_EQUAL, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void greaterThan() {
assertUnifiesAndInlines(
"4 > 17",
UBinary.create(Kind.GREATER_THAN, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void greaterThanOrEqual() {
assertUnifiesAndInlines(
"4 >= 17",
UBinary.create(Kind.GREATER_THAN_EQUAL, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void equal() {
assertUnifiesAndInlines(
"4 == 17",
UBinary.create(Kind.EQUAL_TO, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void notEqual() {
assertUnifiesAndInlines(
"4 != 17",
UBinary.create(Kind.NOT_EQUAL_TO, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void leftShift() {
assertUnifiesAndInlines(
"4 << 17",
UBinary.create(Kind.LEFT_SHIFT, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void signedRightShift() {
assertUnifiesAndInlines(
"4 >> 17",
UBinary.create(Kind.RIGHT_SHIFT, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void unsignedRightShift() {
assertUnifiesAndInlines(
"4 >>> 17",
UBinary.create(Kind.UNSIGNED_RIGHT_SHIFT, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void bitwiseAnd() {
assertUnifiesAndInlines(
"4 & 17",
UBinary.create(Kind.AND, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void bitwiseOr() {
assertUnifiesAndInlines(
"4 | 17",
UBinary.create(Kind.OR, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void bitwiseXor() {
assertUnifiesAndInlines(
"4 ^ 17",
UBinary.create(Kind.XOR, ULiteral.intLit(4), ULiteral.intLit(17)));
}
@Test
public void conditionalAnd() {
assertUnifiesAndInlines(
"true && false",
UBinary.create(
Kind.CONDITIONAL_AND, ULiteral.booleanLit(true), ULiteral.booleanLit(false)));
}
@Test
public void conditionalOr() {
assertUnifiesAndInlines(
"true || false",
UBinary.create(
Kind.CONDITIONAL_OR, ULiteral.booleanLit(true), ULiteral.booleanLit(false)));
}
@Test
public void equality() {
ULiteral oneLit = ULiteral.intLit(1);
ULiteral twoLit = ULiteral.intLit(2);
ULiteral piLit = ULiteral.doubleLit(Math.PI);
ULiteral trueLit = ULiteral.booleanLit(true);
ULiteral falseLit = ULiteral.booleanLit(false);
new EqualsTester()
.addEqualityGroup(UBinary.create(Kind.PLUS, oneLit, twoLit))
.addEqualityGroup(UBinary.create(Kind.PLUS, oneLit, piLit))
.addEqualityGroup(UBinary.create(Kind.PLUS, piLit, twoLit))
.addEqualityGroup(UBinary.create(Kind.MINUS, oneLit, twoLit))
.addEqualityGroup(UBinary.create(Kind.XOR, oneLit, twoLit))
.addEqualityGroup(UBinary.create(Kind.CONDITIONAL_OR, trueLit, falseLit))
.addEqualityGroup(UBinary.create(Kind.OR, trueLit, falseLit))
.testEquals();
}
@Test
public void serialization() {
ULiteral oneLit = ULiteral.intLit(1);
ULiteral twoLit = ULiteral.intLit(2);
ULiteral piLit = ULiteral.doubleLit(Math.PI);
ULiteral trueLit = ULiteral.booleanLit(true);
ULiteral falseLit = ULiteral.booleanLit(false);
SerializableTester.reserializeAndAssert(UBinary.create(Kind.PLUS, oneLit, twoLit));
SerializableTester.reserializeAndAssert(UBinary.create(Kind.PLUS, oneLit, piLit));
SerializableTester.reserializeAndAssert(UBinary.create(Kind.PLUS, piLit, twoLit));
SerializableTester.reserializeAndAssert(UBinary.create(Kind.MINUS, oneLit, twoLit));
SerializableTester.reserializeAndAssert(UBinary.create(Kind.XOR, oneLit, twoLit));
SerializableTester.reserializeAndAssert(UBinary.create(Kind.CONDITIONAL_OR, trueLit, falseLit));
SerializableTester.reserializeAndAssert(UBinary.create(Kind.OR, trueLit, falseLit));
}
}