include("mjsunit.js"); var cat = new node.Process("cat"); var response = ""; var exit_status = -1; cat.onOutput = function (chunk) { if (chunk) { response += chunk; if (response === "hello world") cat.close(); } }; cat.onError = function (chunk) { assertEquals(null, chunk); }; cat.onExit = function (status) { exit_status = status; }; function onLoad () { cat.write("hello"); cat.write(" "); cat.write("world"); } function onExit () { assertEquals(0, exit_status); assertEquals("hello world", response); }