145 lines
3.7 KiB
Java
145 lines
3.7 KiB
Java
/*
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* Copyright 2011 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.jscomp.AstValidator.ViolationHandler;
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import com.google.javascript.rhino.InputId;
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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 com.google.javascript.rhino.jstype.SimpleSourceFile;
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/**
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* @author johnlenz@google.com (John Lenz)
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*/
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public class AstValidatorTest extends CompilerTestCase {
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private boolean lastCheckWasValid = true;
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@Override
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protected CompilerPass getProcessor(Compiler compiler) {
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return createValidator();
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}
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private AstValidator createValidator() {
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lastCheckWasValid = true;
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return new AstValidator(new ViolationHandler() {
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@Override
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public void handleViolation(String message, Node n) {
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lastCheckWasValid = false;
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}
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});
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}
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@Override
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protected int getNumRepetitions() {
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return 1;
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}
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@Override
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protected void setUp() throws Exception {
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super.enableAstValidation(false);
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super.disableNormalize();
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super.enableLineNumberCheck(false);
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super.setUp();
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}
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public void testForIn() {
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valid("for(var a in b);");
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valid("for(var a = 1 in b);");
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valid("for(a in b);");
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valid("for(a in []);");
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valid("for(a in {});");
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}
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public void testDebugger() {
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valid("debugger;");
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}
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public void testValidScript() {
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Node n = new Node(Token.SCRIPT);
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expectInvalid(n, Check.SCRIPT);
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n.setInputId(new InputId("something_input"));
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n.setStaticSourceFile(new SimpleSourceFile("something", false));
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expectValid(n, Check.SCRIPT);
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expectInvalid(n, Check.STATEMENT);
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expectInvalid(n, Check.EXPRESSION);
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}
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public void testValidStatement1() {
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Node n = new Node(Token.RETURN);
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expectInvalid(n, Check.EXPRESSION);
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expectValid(n, Check.STATEMENT);
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expectInvalid(n, Check.SCRIPT);
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}
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public void testValidExpression1() {
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Node n = new Node(Token.ARRAYLIT, new Node(Token.EMPTY));
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expectValid(n, Check.EXPRESSION);
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expectInvalid(n, Check.STATEMENT);
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expectInvalid(n, Check.SCRIPT);
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}
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public void testValidExpression2() {
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Node n = new Node(Token.NOT, new Node(Token.TRUE));
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expectValid(n, Check.EXPRESSION);
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expectInvalid(n, Check.STATEMENT);
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expectInvalid(n, Check.SCRIPT);
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}
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public void testInvalidEmptyStatement() {
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Node n = new Node(Token.EMPTY, new Node(Token.TRUE));
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expectInvalid(n, Check.STATEMENT);
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n.detachChildren();
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expectValid(n, Check.STATEMENT);
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}
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private void valid(String code) {
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testSame(code);
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assertTrue(lastCheckWasValid);
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}
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private enum Check {
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SCRIPT,
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STATEMENT,
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EXPRESSION
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}
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private boolean doCheck(Node n, Check level) {
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AstValidator validator = createValidator();
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switch (level) {
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case SCRIPT:
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validator.validateScript(n);
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break;
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case STATEMENT:
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validator.validateStatement(n);
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break;
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case EXPRESSION:
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validator.validateExpression(n);
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break;
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}
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return lastCheckWasValid;
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}
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private void expectInvalid(Node n, Check level) {
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assertFalse(doCheck(n, level));
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}
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private void expectValid(Node n, Check level) {
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assertTrue(doCheck(n, level));
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}
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}
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