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[HtmlUnit] [ htmlunit-Bugs-2891013 ] Exception thrown while processing JS regular expressions

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[HtmlUnit] [ htmlunit-Bugs-2891013 ] Exception thrown while processing JS regular expressions

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Bugs item #2891013, was opened at 2009-11-02 16:08
Message generated for change (Tracker Item Submitted) made by franklin99
You can respond by visiting:
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Frank Lin (franklin99)
Assigned to: Nobody/Anonymous (nobody)
Summary: Exception thrown while processing JS regular expressions

Initial Comment:
HtmlUnit failed load this reduced GWT test case.

<html>
  <head>
    <script language='javascript'>
    function $replace(this$static, from, to) {
      var regex, replacement;
      regex = $replaceAll(from, "([/\\\\\\.\\*\\+\\?\\|\\(\\)\\[\\]\\{\\}$^])", "\\\\$1");
      replacement = $replaceAll($replaceAll(to, "\\\\", "\\\\\\\\"), "\\$", "\\\\$");
      return $replaceAll(this$static, regex, replacement);
    }

    function $replaceAll(this$static, regex, replace) {
      replace = __translateReplaceString(replace);
      return this$static.replace(RegExp(regex, "g"), replace);
    }

    function $substring(this$static, beginIndex) {
      return this$static.substr(beginIndex, this$static.length - beginIndex);
    }

    function __translateReplaceString(replaceStr) {
      var pos;
      pos = 0;
      while (0 <= (pos = replaceStr.indexOf("\\", pos))) {
        replaceStr.charCodeAt(pos + 1) == 36 ? (replaceStr = replaceStr.substr(0, pos - 0) + "$" + $substring(replaceStr, ++pos)) : (replaceStr = replaceStr.substr(0, pos - 0) + $substring(replaceStr, ++pos));
      }
      return replaceStr;
    }

    function test() {
      alert($replace("foobar", "foo", "$0"));
    }
  </script> </head>
  <body onload="javascript:test()">
  </html>



======= EXCEPTION START ========
Exception class=[java.lang.StringIndexOutOfBoundsException]
com.gargoylesoftware.htmlunit.ScriptException: String index out of range: 3
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:526)
        at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:537)
        at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:538)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.callFunction(JavaScriptEngine.java:456)
        at com.gargoylesoftware.htmlunit.html.HtmlPage.executeJavaScriptFunctionIfPossible(HtmlPage.java:892)
        at com.gargoylesoftware.htmlunit.javascript.host.EventListenersContainer.executeEventHandler(EventListenersContainer.java:182)
        at com.gargoylesoftware.htmlunit.javascript.host.EventListenersContainer.executeBubblingListeners(EventListenersContainer.java:201)
        at com.gargoylesoftware.htmlunit.javascript.host.Node.fireEvent(Node.java:655)
        at com.gargoylesoftware.htmlunit.html.HtmlElement$2.run(HtmlElement.java:888)
        at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:537)
        at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:538)
        at com.gargoylesoftware.htmlunit.html.HtmlElement.fireEvent(HtmlElement.java:893)
        at com.gargoylesoftware.htmlunit.html.HtmlPage.executeEventHandlersIfNeeded(HtmlPage.java:1106)
        at com.gargoylesoftware.htmlunit.html.HtmlPage.initialize(HtmlPage.java:189)
        at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java:421)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:297)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:354)
        at HtmlUnitTest.testTemplates(HtmlUnitTest.java:36)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
        at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
        at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
        at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
        at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
        at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66)
        at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35)
        at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
        at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
        at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
        at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
        at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: 3
        at java.lang.String.charAt(String.java:694)
        at java.util.regex.Matcher.appendReplacement(Matcher.java:723)
        at java.util.regex.Matcher.replaceAll(Matcher.java:823)
        at com.gargoylesoftware.htmlunit.javascript.regexp.HtmlUnitRegExpProxy.doAction(HtmlUnitRegExpProxy.java:96)
        at com.gargoylesoftware.htmlunit.javascript.regexp.HtmlUnitRegExpProxy.action(HtmlUnitRegExpProxy.java:64)
        at net.sourceforge.htmlunit.corejs.javascript.NativeString.execIdCall(NativeString.java:388)
        at net.sourceforge.htmlunit.corejs.javascript.IdFunctionObject.call(IdFunctionObject.java:129)
        at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpretLoop(Interpreter.java:1688)
        at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpret(Interpreter.java:845)
        at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:164)
        at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.doTopCall(ContextFactory.java:429)
        at com.gargoylesoftware.htmlunit.javascript.HtmlUnitContextFactory.doTopCall(HtmlUnitContextFactory.java:261)
        at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3130)
        at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:162)
        at com.gargoylesoftware.htmlunit.javascript.host.EventHandler.call(EventHandler.java:80)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.callFunction(JavaScriptEngine.java:484)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$4.doRun(JavaScriptEngine.java:449)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:520)
        ... 37 more
Enclosed exception:
java.lang.StringIndexOutOfBoundsException: String index out of range: 3
        at java.lang.String.charAt(String.java:694)
        at java.util.regex.Matcher.appendReplacement(Matcher.java:723)
        at java.util.regex.Matcher.replaceAll(Matcher.java:823)
        at com.gargoylesoftware.htmlunit.javascript.regexp.HtmlUnitRegExpProxy.doAction(HtmlUnitRegExpProxy.java:96)
        at com.gargoylesoftware.htmlunit.javascript.regexp.HtmlUnitRegExpProxy.action(HtmlUnitRegExpProxy.java:64)
        at net.sourceforge.htmlunit.corejs.javascript.NativeString.execIdCall(NativeString.java:388)
        at net.sourceforge.htmlunit.corejs.javascript.IdFunctionObject.call(IdFunctionObject.java:129)
        at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpretLoop(Interpreter.java:1688)
        at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpret(Interpreter.java:845)
        at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:164)
        at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.doTopCall(ContextFactory.java:429)
        at com.gargoylesoftware.htmlunit.javascript.HtmlUnitContextFactory.doTopCall(HtmlUnitContextFactory.java:261)
        at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3130)
        at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:162)
        at com.gargoylesoftware.htmlunit.javascript.host.EventHandler.call(EventHandler.java:80)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.callFunction(JavaScriptEngine.java:484)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$4.doRun(JavaScriptEngine.java:449)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:520)
        at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:537)
        at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:538)
        at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.callFunction(JavaScriptEngine.java:456)
        at com.gargoylesoftware.htmlunit.html.HtmlPage.executeJavaScriptFunctionIfPossible(HtmlPage.java:892)
        at com.gargoylesoftware.htmlunit.javascript.host.EventListenersContainer.executeEventHandler(EventListenersContainer.java:182)
        at com.gargoylesoftware.htmlunit.javascript.host.EventListenersContainer.executeBubblingListeners(EventListenersContainer.java:201)
        at com.gargoylesoftware.htmlunit.javascript.host.Node.fireEvent(Node.java:655)
        at com.gargoylesoftware.htmlunit.html.HtmlElement$2.run(HtmlElement.java:888)
        at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:537)
        at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:538)
        at com.gargoylesoftware.htmlunit.html.HtmlElement.fireEvent(HtmlElement.java:893)
        at com.gargoylesoftware.htmlunit.html.HtmlPage.executeEventHandlersIfNeeded(HtmlPage.java:1106)
        at com.gargoylesoftware.htmlunit.html.HtmlPage.initialize(HtmlPage.java:189)
        at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java:421)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:297)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:354)
        at HtmlUnitTest.testTemplates(HtmlUnitTest.java:36)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
        at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
        at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
        at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
        at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
        at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66)
        at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35)
        at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
        at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
        at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
        at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
        at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
        at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
== CALLING JAVASCRIPT ==
function () {
        [native code, arity=0]
}

======= EXCEPTION END ========


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