const Cc = Components.classes; const Ci = Components.interfaces; var testStr = "This is a test. "; for (var i = 0; i < 10; ++i) { testStr += testStr; } function run_test() { // Set up our stream to copy var inStr = Cc["@mozilla.org/io/string-input-stream;1"] .createInstance(Ci.nsIStringInputStream); inStr.setData(testStr, testStr.length); // Set up our destination stream. Make sure to use segments a good // bit smaller than our data length. do_check_true(testStr.length > 1024*10); var pipe = Cc["@mozilla.org/pipe;1"].createInstance(Ci.nsIPipe); pipe.init(true, true, 1024, 0xffffffff, null); var streamCopier = Cc["@mozilla.org/network/async-stream-copier;1"] .createInstance(Ci.nsIAsyncStreamCopier); streamCopier.init(inStr, pipe.outputStream, null, true, true, 1024, true, true); var ctx = { }; ctx.wrappedJSObject = ctx; var observer = { onStartRequest: function(aRequest, aContext) { do_check_eq(aContext.wrappedJSObject, ctx); }, onStopRequest: function(aRequest, aContext, aStatusCode) { do_check_eq(aStatusCode, 0); do_check_eq(aContext.wrappedJSObject, ctx); var sis = Cc["@mozilla.org/scriptableinputstream;1"] .createInstance(Ci.nsIScriptableInputStream); sis.init(pipe.inputStream); var result = ""; var temp; try { // Need this because read() can throw at EOF while ((temp = sis.read(1024))) { result += temp; } } catch(e) { do_check_eq(e.result, Components.results.NS_BASE_STREAM_CLOSED); } do_check_eq(result, testStr); do_test_finished(); } }; streamCopier.asyncCopy(observer, ctx); do_test_pending(); }