159 lines
4 KiB
Java
159 lines
4 KiB
Java
/*
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* Copyright 2007 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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/**
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* Tests {@link ConstCheck}.
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*
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*/
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public class ConstCheckTest extends CompilerTestCase {
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public ConstCheckTest() {
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enableNormalize();
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}
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@Override
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public CompilerPass getProcessor(Compiler compiler) {
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return new ConstCheck(compiler);
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}
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@Override
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public int getNumRepetitions() {
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return 1;
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}
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public void testConstantDefinition1() {
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testSame("var XYZ = 1;");
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}
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public void testConstantDefinition2() {
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testSame("var a$b$XYZ = 1;");
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}
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public void testConstantInitializedInAnonymousNamespace1() {
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testSame("var XYZ; (function(){ XYZ = 1; })();");
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}
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public void testConstantInitializedInAnonymousNamespace2() {
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testSame("var a$b$XYZ; (function(){ a$b$XYZ = 1; })();");
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}
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public void testObjectModified() {
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testSame("var IE = true, XYZ = {a:1,b:1}; if (IE) XYZ['c'] = 1;");
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}
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public void testObjectPropertyInitializedLate() {
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testSame("var XYZ = {}; for (var i = 0; i < 10; i++) { XYZ[i] = i; }");
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}
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public void testObjectRedefined1() {
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testError("var XYZ = {}; XYZ = 2;");
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}
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public void testConstantRedefined1() {
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testError("var XYZ = 1; XYZ = 2;");
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}
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public void testConstantRedefined2() {
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testError("var a$b$XYZ = 1; a$b$XYZ = 2;");
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}
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public void testConstantRedefinedInLocalScope1() {
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testError("var XYZ = 1; (function(){ XYZ = 2; })();");
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}
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public void testConstantRedefinedInLocalScope2() {
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testError("var a$b$XYZ = 1; (function(){ a$b$XYZ = 2; })();");
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}
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public void testConstantRedefinedInLocalScopeOutOfOrder() {
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testError("function f() { XYZ = 2; } var XYZ = 1;");
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}
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public void testConstantPostIncremented1() {
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testError("var XYZ = 1; XYZ++;");
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}
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public void testConstantPostIncremented2() {
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testError("var a$b$XYZ = 1; a$b$XYZ++;");
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}
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public void testConstantPreIncremented1() {
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testError("var XYZ = 1; XYZ++;");
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}
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public void testConstantPreIncremented2() {
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testError("var a$b$XYZ = 1; a$b$XYZ++;");
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}
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public void testConstantPostDecremented1() {
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testError("var XYZ = 1; XYZ--;");
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}
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public void testConstantPostDecremented2() {
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testError("var a$b$XYZ = 1; a$b$XYZ--;");
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}
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public void testConstantPreDecremented1() {
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testError("var XYZ = 1; XYZ--;");
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}
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public void testConstantPreDecremented2() {
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testError("var a$b$XYZ = 1; a$b$XYZ--;");
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}
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public void testAbbreviatedArithmeticAssignment1() {
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testError("var XYZ = 1; XYZ += 2;");
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}
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public void testAbbreviatedArithmeticAssignment2() {
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testError("var a$b$XYZ = 1; a$b$XYZ %= 2;");
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}
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public void testAbbreviatedBitAssignment1() {
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testError("var XYZ = 1; XYZ |= 2;");
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}
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public void testAbbreviatedBitAssignment2() {
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testError("var a$b$XYZ = 1; a$b$XYZ &= 2;");
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}
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public void testAbbreviatedShiftAssignment1() {
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testError("var XYZ = 1; XYZ >>= 2;");
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}
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public void testAbbreviatedShiftAssignment2() {
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testError("var a$b$XYZ = 1; a$b$XYZ <<= 2;");
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}
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public void testConstAnnotation() {
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testError("/** @const */ var xyz = 1; xyz = 3;");
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}
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public void testConstSuppression() {
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testSame("/**\n" +
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" * @fileoverview\n" +
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" * @suppress {const}\n" +
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" */\n" +
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"/** @const */ var xyz = 1; xyz = 3;");
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}
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private void testError(String js) {
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test(js, null, ConstCheck.CONST_REASSIGNED_VALUE_ERROR);
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}
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}
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