summaryrefslogtreecommitdiffstats
path: root/devtools/client/shared/shim/test/prefs-wrapper.js
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/client/shared/shim/test/prefs-wrapper.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'devtools/client/shared/shim/test/prefs-wrapper.js')
-rw-r--r--devtools/client/shared/shim/test/prefs-wrapper.js80
1 files changed, 80 insertions, 0 deletions
diff --git a/devtools/client/shared/shim/test/prefs-wrapper.js b/devtools/client/shared/shim/test/prefs-wrapper.js
new file mode 100644
index 000000000..057e12d17
--- /dev/null
+++ b/devtools/client/shared/shim/test/prefs-wrapper.js
@@ -0,0 +1,80 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+// A wrapper for Services.prefs that compares our shim content
+// implementation with the real service.
+
+// We assume we're loaded in a global where Services was already loaded.
+/* globals isDeeply, Services */
+
+"use strict";
+
+function setMethod(methodName, prefName, value) {
+ let savedException;
+ let prefThrew = false;
+ try {
+ Services.prefs[methodName](prefName, value);
+ } catch (e) {
+ prefThrew = true;
+ savedException = e;
+ }
+
+ let realThrew = false;
+ try {
+ SpecialPowers[methodName](prefName, value);
+ } catch (e) {
+ realThrew = true;
+ savedException = e;
+ }
+
+ is(prefThrew, realThrew, methodName + " [throw check]");
+ if (prefThrew || realThrew) {
+ throw savedException;
+ }
+}
+
+function getMethod(methodName, prefName) {
+ let prefThrew = false;
+ let prefValue = undefined;
+ let savedException;
+ try {
+ prefValue = Services.prefs[methodName](prefName);
+ } catch (e) {
+ prefThrew = true;
+ savedException = e;
+ }
+
+ let realValue = undefined;
+ let realThrew = false;
+ try {
+ realValue = SpecialPowers[methodName](prefName);
+ } catch (e) {
+ realThrew = true;
+ savedException = e;
+ }
+
+ is(prefThrew, realThrew, methodName + " [throw check]");
+ isDeeply(prefValue, realValue, methodName + " [equality]");
+ if (prefThrew || realThrew) {
+ throw savedException;
+ }
+
+ return prefValue;
+}
+
+var WrappedPrefs = {};
+
+for (let method of ["getPrefType", "getBoolPref", "getCharPref", "getIntPref",
+ "clearUserPref"]) {
+ WrappedPrefs[method] = getMethod.bind(null, method);
+}
+
+for (let method of ["setBoolPref", "setCharPref", "setIntPref"]) {
+ WrappedPrefs[method] = setMethod.bind(null, method);
+}
+
+// Silence eslint.
+exports.WrappedPrefs = WrappedPrefs;