<!DOCTYPE HTML>
<html>
<head>
</head>
<body>
<p>Test that window.onerror and "error" event listeners from isolated world are
invoked for uncaught exceptions in user scripts running in isolate worlds as
well as for exceptions in the main world.<a href="https://bugs.webkit.org/show_bug.cgi?id=8519">Bug 8519.</a>
</p>
<div id="console"></div>
<script>

var expectedRecordCount = 10;
var recordCount = 0;
document.getElementById("console").addEventListener("DOMNodeInserted", function(e) {
    if (++recordCount === expectedRecordCount && window.testRunner)
        testRunner.notifyDone();
}, false);

var throwExceptions = function(isolatedWorld)
{
    window.addEventListener("load", function(e) {
        // Do the following call from load listener to make sure error in the setTimeout callback always happens after the error in this listener.
        setTimeout(function() {
            throw new Error("Error in " + isolatedWorld + " setTimeout callback.");
        }, 0);
        throw new Error("Error in " + isolatedWorld + " load handler.");
    }, false);
    
    throw new Error("Error in "+ isolatedWorld + " inline script.");
};

var errorHandlers = function(isolatedWorld)
{
    function lastUrlComponent(url) {
        return url ? url.match( /[^\/]+\/?$/ )[0] : url;
    }

    function log(msg) {
        var record = document.createElement("div");
        record.innerHTML = msg;
        document.getElementById("console").appendChild(record);
    }

    window.onerror = function(msg, url, line, column, error) {
        log(isolatedWorld + " window.onerror: " + msg + " at " + lastUrlComponent(url) + ":" + line + ":" + column + " " + error, "*");
        return true;
    }

    window.addEventListener("error", function(e) {
        var url = lastUrlComponent(e.filename);
        log(isolatedWorld + " error event listener: " + e.message + " at " + url + ":" + e.lineno + ":" + e.colno + " " + e.error, "*");
        e.preventDefault();
    }, false);
};

if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
    testRunner.addUserScript("(" + errorHandlers + ")('user script'); (" + throwExceptions + ")('user script')", false, true);
}

throwExceptions("main world");

</script>
</body>
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