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/*
* Copyright 2009 The Closure Compiler Authors.
*
* 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.javascript.jscomp;
import com.google.javascript.rhino.Node;
import com.google.javascript.rhino.Token;
import junit.framework.TestCase;
/**
* A dopey test for {@link MemoizedScopeCreator}. This is mostly here
* just so it's easy to write more tests if this becomes more complicated.
*
* @author nicksantos@google.com (Nick Santos)
*/
public class MemoizedScopeCreatorTest extends TestCase {
public void testMemoization() throws Exception {
Node trueNode = new Node(Token.TRUE);
Node falseNode = new Node(Token.FALSE);
// Wow, is there really a circular dependency between JSCompiler and
// SyntacticScopeCreator?
Compiler compiler = new Compiler();
compiler.initOptions(new CompilerOptions());
ScopeCreator creator = new MemoizedScopeCreator(
new SyntacticScopeCreator(compiler));
Scope scopeA = creator.createScope(trueNode, null);
assertSame(scopeA, creator.createScope(trueNode, null));
assertNotSame(scopeA, creator.createScope(falseNode, null));
}
public void testPreconditionCheck() throws Exception {
Compiler compiler = new Compiler();
compiler.initOptions(new CompilerOptions());
Node trueNode = new Node(Token.TRUE);
ScopeCreator creator = new MemoizedScopeCreator(
new SyntacticScopeCreator(compiler));
Scope scopeA = creator.createScope(trueNode, null);
boolean handled = false;
try {
creator.createScope(trueNode, scopeA);
} catch (IllegalStateException e) {
handled = true;
}
assertTrue(handled);
}
}
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