| // Copyright 2015 The Bazel Authors. 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.devtools.build.lib.syntax; |
| |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * Tests {@link ASTNode}. |
| */ |
| @RunWith(JUnit4.class) |
| public class ASTNodeTest { |
| |
| private ASTNode node; |
| |
| @Before |
| public final void createNode() throws Exception { |
| node = new ASTNode() { |
| @Override |
| public void prettyPrint(Appendable buffer, int indentLevel) throws IOException {} |
| @Override |
| public String toString() { |
| return null; |
| } |
| @Override |
| public void accept(SyntaxTreeVisitor visitor) { |
| } |
| }; |
| } |
| |
| @Test |
| public void testHashCodeNotSupported() { |
| try { |
| node.hashCode(); |
| fail(); |
| } catch (UnsupportedOperationException e) { |
| // yes! |
| } |
| } |
| |
| @Test |
| public void testEqualsNotSupported() { |
| try { |
| node.equals(null); |
| fail(); |
| } catch (UnsupportedOperationException e) { |
| // yes! |
| } |
| } |
| |
| } |