64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
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/*
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* Copyright 2009 The Closure Compiler Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.javascript.jscomp;
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import com.google.javascript.rhino.Node;
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import com.google.javascript.rhino.Token;
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import junit.framework.TestCase;
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/**
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* A dopey test for {@link MemoizedScopeCreator}. This is mostly here
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* just so it's easy to write more tests if this becomes more complicated.
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*
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* @author nicksantos@google.com (Nick Santos)
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*/
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public class MemoizedScopeCreatorTest extends TestCase {
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public void testMemoization() throws Exception {
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Node trueNode = new Node(Token.TRUE);
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Node falseNode = new Node(Token.FALSE);
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// Wow, is there really a circular dependency between JSCompiler and
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// SyntacticScopeCreator?
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Compiler compiler = new Compiler();
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compiler.initOptions(new CompilerOptions());
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ScopeCreator creator = new MemoizedScopeCreator(
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new SyntacticScopeCreator(compiler));
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Scope scopeA = creator.createScope(trueNode, null);
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assertSame(scopeA, creator.createScope(trueNode, null));
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assertNotSame(scopeA, creator.createScope(falseNode, null));
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}
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public void testPreconditionCheck() throws Exception {
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Compiler compiler = new Compiler();
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compiler.initOptions(new CompilerOptions());
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Node trueNode = new Node(Token.TRUE);
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ScopeCreator creator = new MemoizedScopeCreator(
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new SyntacticScopeCreator(compiler));
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Scope scopeA = creator.createScope(trueNode, null);
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boolean handled = false;
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try {
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creator.createScope(trueNode, scopeA);
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} catch (IllegalStateException e) {
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handled = true;
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}
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assertTrue(handled);
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}
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}
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