73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
|
/*
|
||
|
|
* Copyright 2010 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;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @author johnlenz@google.com (John Lenz)
|
||
|
|
*/
|
||
|
|
public class CheckRegExpTest extends CompilerTestCase {
|
||
|
|
CheckRegExp last = null;
|
||
|
|
|
||
|
|
public CheckRegExpTest() {
|
||
|
|
super("var RegExp;", true);
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
protected CompilerPass getProcessor(Compiler compiler) {
|
||
|
|
compiler.options.setWarningLevel(
|
||
|
|
DiagnosticGroups.CHECK_REGEXP, CheckLevel.WARNING);
|
||
|
|
last = new CheckRegExp(compiler);
|
||
|
|
return last;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void testReference(String code, boolean expected) {
|
||
|
|
testSame(code, (expected) ? CheckRegExp.REGEXP_REFERENCE : null);
|
||
|
|
assertEquals(expected, last.isGlobalRegExpPropertiesUsed());
|
||
|
|
}
|
||
|
|
|
||
|
|
public void testRegExp() {
|
||
|
|
// Creating regexp's is ok
|
||
|
|
testReference("RegExp();", false);
|
||
|
|
testReference("var x = RegExp();", false);
|
||
|
|
testReference("new RegExp();", false);
|
||
|
|
testReference("var x = new RegExp();", false);
|
||
|
|
|
||
|
|
// Checking for RegExp instances is OK, as well.
|
||
|
|
testReference("x instanceof RegExp;", false);
|
||
|
|
|
||
|
|
// Any other reference isn't
|
||
|
|
testReference("RegExp.test();", true);
|
||
|
|
testReference("var x = RegExp.test();", true);
|
||
|
|
testReference("RegExp.exec();", true);
|
||
|
|
testReference("RegExp.$1;", true);
|
||
|
|
testReference("RegExp.foobar;", true);
|
||
|
|
testReference("delete RegExp;", true);
|
||
|
|
|
||
|
|
// Aliases aren't allowed
|
||
|
|
testReference("var x = RegExp;", true);
|
||
|
|
testReference("f(RegExp);", true);
|
||
|
|
testReference("new f(RegExp);", true);
|
||
|
|
testReference("var x = RegExp; x.test()", true);
|
||
|
|
|
||
|
|
// No RegExp reference is ok
|
||
|
|
testReference("var x;", false);
|
||
|
|
|
||
|
|
// Local RegExp is ok
|
||
|
|
testReference("function f() {var RegExp; RegExp.test();}", false);
|
||
|
|
}
|
||
|
|
}
|