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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.common.base.Preconditions;
import com.google.javascript.rhino.Node;
import com.google.javascript.rhino.Token;
/**
* Tests for PrepareAst.
* @author nicksantos@google.com (Nick Santos)
*/
public class PrepareAstTest extends CompilerTestCase {
public PrepareAstTest() {
super.enableLineNumberCheck(true);
}
@Override
public CompilerPass getProcessor(Compiler compiler) {
return null; // unused
}
public void testJsDocNormalization() throws Exception {
Node root = parseExpectedJs(
"var x = {/** @return {number} */ a: function() {}," +
" c: /** @type {string} */ ('d')};");
Node objlit = root.getFirstChild().getFirstChild().getFirstChild()
.getFirstChild();
assertEquals(Token.OBJECTLIT, objlit.getType());
Node firstKey = objlit.getFirstChild();
Node firstVal = firstKey.getFirstChild();
Node secondKey = firstKey.getNext();
Node secondVal = secondKey.getFirstChild();
assertNotNull(firstKey.getJSDocInfo());
assertNotNull(firstVal.getJSDocInfo());
assertNull(secondKey.getJSDocInfo());
assertNotNull(secondVal.getJSDocInfo());
}
public void testFreeCall1() throws Exception {
Node root = parseExpectedJs("foo();");
Node script = root.getFirstChild();
Preconditions.checkState(script.isScript());
Node firstExpr = script.getFirstChild();
Node call = firstExpr.getFirstChild();
Preconditions.checkState(call.isCall());
assertTrue(call.getBooleanProp(Node.FREE_CALL));
}
public void testFreeCall2() throws Exception {
Node root = parseExpectedJs("x.foo();");
Node script = root.getFirstChild();
Preconditions.checkState(script.isScript());
Node firstExpr = script.getFirstChild();
Node call = firstExpr.getFirstChild();
Preconditions.checkState(call.isCall());
assertFalse(call.getBooleanProp(Node.FREE_CALL));
}
}
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