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Test Info:

"use strict";
function run_test() {
var stream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
Ci.nsISupportsCString
);
stream.data = "foo bar baz";
var pump = Cc["@mozilla.org/network/input-stream-pump;1"].createInstance(
Ci.nsIInputStreamPump
);
pump.init(stream, 0, 0, false);
// When we pass a null listener argument too asyncRead we expect it to throw
// instead of crashing.
try {
pump.asyncRead(null);
} catch (e) {
return;
}
do_throw("asyncRead didn't throw when passed a null listener argument.");
}