/*
* 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 static org.junit.Assert.assertNotNull;
import com.sun.tools.javac.tree.JCTree;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link UTemplater}'s support for basic syntactic constructs.
*
* @author lowasser@google.com (Louis Wasserman)
*/
@RunWith(JUnit4.class)
public class UTemplaterTest extends AbstractUTreeTest {
/**
* Parses a Java expression, templates it using a {@link UTemplater}, and tests that the template
* matches the original parsed expression.
*/
private void testTemplateWithoutTypes(String expression) {
JCTree ast = parseExpression(expression);
UTree<?> template = (UTree<?>) new UTemplater(context).template(ast);
assertNotNull(template.unify(ast, unifier));
}
@Test
public void literal() {
testTemplateWithoutTypes("5L");
}
@Test
public void parens() {
testTemplateWithoutTypes("(5L)");
}
@Test
public void binary() {
testTemplateWithoutTypes("\"count:\" + 5");
}
@Test
public void conditional() {
testTemplateWithoutTypes("true ? 3.14 : -5");
}
@Test
public void unary() {
testTemplateWithoutTypes("~7");
}
}