diff -r 000000000000 -r 6474c204b198 js/xpconnect/tests/components/native/xpctest_attributes.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/xpconnect/tests/components/native/xpctest_attributes.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,139 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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/. */
+
+#include "xpctest_private.h"
+
+NS_IMPL_ISUPPORTS(xpcTestObjectReadOnly, nsIXPCTestObjectReadOnly)
+
+xpcTestObjectReadOnly :: xpcTestObjectReadOnly() {
+    boolProperty = true;
+    shortProperty = 32767;
+    longProperty =  2147483647;
+    floatProperty = 5.5f;
+    charProperty = 'X';
+    // timeProperty is PRTime and signed type.
+    // So it has to allow negative value.
+    timeProperty = -1;
+}
+
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetStrReadOnly(char * *aStrReadOnly){
+    char aString[] = "XPConnect Read-Only String";
+
+    if (!aStrReadOnly)
+        return NS_ERROR_NULL_POINTER;
+    *aStrReadOnly = (char*) nsMemory::Clone(aString,
+                                            sizeof(char)*(strlen(aString)+1));
+    return *aStrReadOnly ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
+}
+
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetBoolReadOnly(bool *aBoolReadOnly) {
+    *aBoolReadOnly = boolProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetShortReadOnly(int16_t *aShortReadOnly){
+    *aShortReadOnly = shortProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetLongReadOnly(int32_t *aLongReadOnly){
+    *aLongReadOnly = longProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetFloatReadOnly(float *aFloatReadOnly){
+    *aFloatReadOnly = floatProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetCharReadOnly(char *aCharReadOnly){
+    *aCharReadOnly = charProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadOnly :: GetTimeReadOnly(PRTime *aTimeReadOnly){
+    *aTimeReadOnly = timeProperty;
+    return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(xpcTestObjectReadWrite, nsIXPCTestObjectReadWrite)
+
+xpcTestObjectReadWrite :: xpcTestObjectReadWrite() {
+    const char s[] = "XPConnect Read-Writable String";
+    stringProperty = (char*) nsMemory::Clone(s, sizeof(char)*(strlen(s)+1));
+    boolProperty = true;
+    shortProperty = 32767;
+    longProperty =  2147483647;
+    floatProperty = 5.5f;
+    charProperty = 'X';
+    // timeProperty is PRTime and signed type.
+    // So it has to allow negative value.
+    timeProperty = -1;
+}
+
+xpcTestObjectReadWrite :: ~xpcTestObjectReadWrite()
+{
+    nsMemory::Free(stringProperty);
+}
+
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetStringProperty(char * *aStringProperty) {
+    if (!aStringProperty)
+        return NS_ERROR_NULL_POINTER;
+    *aStringProperty = (char*) nsMemory::Clone(stringProperty,
+                                               sizeof(char)*(strlen(stringProperty)+1));
+    return *aStringProperty ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
+
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetStringProperty(const char * aStringProperty) {
+    nsMemory::Free(stringProperty);
+    stringProperty = (char*) nsMemory::Clone(aStringProperty,
+                                             sizeof(char)*(strlen(aStringProperty)+1));
+    return NS_OK;
+}
+
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetBooleanProperty(bool *aBooleanProperty) {
+    *aBooleanProperty = boolProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetBooleanProperty(bool aBooleanProperty) {
+    boolProperty = aBooleanProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetShortProperty(int16_t *aShortProperty) {
+    *aShortProperty = shortProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetShortProperty(int16_t aShortProperty) {
+    shortProperty = aShortProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetLongProperty(int32_t *aLongProperty) {
+    *aLongProperty = longProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetLongProperty(int32_t aLongProperty) {
+    longProperty = aLongProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetFloatProperty(float *aFloatProperty) {
+    *aFloatProperty = floatProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetFloatProperty(float aFloatProperty) {
+    floatProperty = aFloatProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetCharProperty(char *aCharProperty) {
+    *aCharProperty = charProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetCharProperty(char aCharProperty) {
+    charProperty = aCharProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: GetTimeProperty(PRTime *aTimeProperty) {
+    *aTimeProperty = timeProperty;
+    return NS_OK;
+}
+NS_IMETHODIMP xpcTestObjectReadWrite :: SetTimeProperty(PRTime aTimeProperty) {
+    timeProperty = aTimeProperty;
+    return NS_OK;
+}