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onmessage = function(event) {
if (event.data == "noport") {
if (event.ports && !event.ports.length)
testPassed("event.ports is non-null and zero length when no port sent");
else
testFailed("event.ports is null or non-zero length when no port sent");
} else if (event.data == "zero ports") {
if (event.ports && !event.ports.length)
testPassed("event.ports is non-null and zero length when empty array sent");
else
testFailed("event.ports is null or non-zero length when empty array sent");
} else if (event.data == "two ports") {
if (!event.ports) {
testFailed("event.ports should be non-null when ports sent");
return;
}
if (event.ports.length == 2)
testPassed("event.ports contains two ports when two ports sent");
else
testFailed("event.ports contained " + event.ports.length + " when two ports sent");
} else if (event.data == "failed ports") {
if (event.ports.length == 2)
testPassed("event.ports contains two ports when two ports re-sent after error");
else
testFailed("event.ports contained " + event.ports.length + " when two ports re-sent after error");
} else if (event.data == "noargs") {
try {
postMessage();
testFailed("postMessage() did not throw");
} catch (e) {
testPassed("postMessage() threw exception: " + e);
}
} else
testFailed("Received unexpected message: " + event.data);
};
function testPassed(msg) {
postMessage("PASS"+msg);
}
function testFailed(msg) {
postMessage("FAIL"+msg);
}