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Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/tests/unit/ReturnCodeChild.jsm | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/ReturnCodeChild.jsm b/js/xpconnect/tests/unit/ReturnCodeChild.jsm new file mode 100644 index 0000000000..bf74453969 --- /dev/null +++ b/js/xpconnect/tests/unit/ReturnCodeChild.jsm @@ -0,0 +1,51 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +var EXPORTED_SYMBOLS = ["ReturnCodeChild"]; + +function xpcWrap(obj, iface) { + let ifacePointer = Cc[ + "@mozilla.org/supports-interface-pointer;1" + ].createInstance(Ci.nsISupportsInterfacePointer); + + ifacePointer.data = obj; + return ifacePointer.data.QueryInterface(iface); +} + +var ReturnCodeChild = { + QueryInterface: ChromeUtils.generateQI(["nsIXPCTestReturnCodeChild"]), + + doIt(behaviour) { + switch (behaviour) { + case Ci.nsIXPCTestReturnCodeChild.CHILD_SHOULD_THROW: + throw(new Error("a requested error")); + case Ci.nsIXPCTestReturnCodeChild.CHILD_SHOULD_RETURN_SUCCESS: + return; + case Ci.nsIXPCTestReturnCodeChild.CHILD_SHOULD_RETURN_RESULTCODE: + Components.returnCode = Cr.NS_ERROR_FAILURE; + return; + case Ci.nsIXPCTestReturnCodeChild.CHILD_SHOULD_NEST_RESULTCODES: + // Use xpconnect to create another instance of *this* component and + // call that. This way we have crossed the xpconnect bridge twice. + + // We set *our* return code early - this should be what is returned + // to our caller, even though our "inner" component will set it to + // a different value that we will see (but our caller should not) + Components.returnCode = Cr.NS_ERROR_UNEXPECTED; + // call the child asking it to do the .returnCode set. + let sub = xpcWrap(ReturnCodeChild, Ci.nsIXPCTestReturnCodeChild); + let childResult = Cr.NS_OK; + try { + sub.doIt(Ci.nsIXPCTestReturnCodeChild.CHILD_SHOULD_RETURN_RESULTCODE); + } catch (ex) { + childResult = ex.result; + } + // write it to the console so the test can check it. + let consoleService = Cc["@mozilla.org/consoleservice;1"] + .getService(Ci.nsIConsoleService); + consoleService.logStringMessage("nested child returned " + childResult); + return; + } + } +}; |