3 files changed, 4 insertions, 24 deletions
diff --git a/netwerk/test/unit/test_bug650995.js b/netwerk/test/unit/test_bug650995.js
index 3c1ea8d67..bf2e9fa7d 100644
--- a/netwerk/test/unit/test_bug650995.js
+++ b/netwerk/test/unit/test_bug650995.js
@@ -78,24 +78,14 @@ function InitializeCacheDevices(memDevice, diskDevice) {
     this.start = function() {
         prefService.setBoolPref("browser.cache.memory.enable", memDevice);
         if (memDevice) {
-            try {
-                cap = prefService.getIntPref("browser.cache.memory.capacity");
-            }
-            catch(ex) {
-                cap = 0;
-            }
+            cap = prefService.getIntPref("browser.cache.memory.capacity", 0);
             if (cap == 0) {
                 prefService.setIntPref("browser.cache.memory.capacity", 1024);
             }
         }
         prefService.setBoolPref("browser.cache.disk.enable", diskDevice);
         if (diskDevice) {
-            try {
-                cap = prefService.getIntPref("browser.cache.disk.capacity");
-            }
-            catch(ex) {
-                cap = 0;
-            }
+            cap = prefService.getIntPref("browser.cache.disk.capacity", 0);
             if (cap == 0) {
                 prefService.setIntPref("browser.cache.disk.capacity", 1024);
             }
diff --git a/netwerk/test/unit/test_idn_blacklist.js b/netwerk/test/unit/test_idn_blacklist.js
index 5ca0173bb..aea45d706 100644
--- a/netwerk/test/unit/test_idn_blacklist.js
+++ b/netwerk/test/unit/test_idn_blacklist.js
@@ -121,12 +121,7 @@ const testcases = [
 function run_test() {
     var pbi = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
     var oldProfile = pbi.getCharPref("network.IDN.restriction_profile", "moderate");
-    var oldWhiteListCom;
-    try {
-        oldWhitelistCom = pbi.getBoolPref("network.IDN.whitelist.com");
-    } catch(e) {
-        oldWhitelistCom = false;
-    }
+    var oldWhitelistCom = pbi.getBoolPref("network.IDN.whitelist.com", false);
     var idnService = Cc["@mozilla.org/network/idn-service;1"].getService(Ci.nsIIDNService);
 
     pbi.setCharPref("network.IDN.restriction_profile", "moderate");
diff --git a/netwerk/test/unit/test_idn_urls.js b/netwerk/test/unit/test_idn_urls.js
index 06a53032b..358854093 100644
--- a/netwerk/test/unit/test_idn_urls.js
+++ b/netwerk/test/unit/test_idn_urls.js
@@ -295,12 +295,7 @@ const profiles = ["ASCII", "high", "moderate"];
 function run_test() {
     var pbi = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
     var oldProfile = pbi.getCharPref("network.IDN.restriction_profile", "moderate");
-    var oldWhiteListCom;
-    try {
-        oldWhitelistCom = pbi.getBoolPref("network.IDN.whitelist.com");
-    } catch(e) {
-        oldWhitelistCom = false;
-    }
+    var oldWhitelistCom = pbi.getBoolPref("network.IDN.whitelist.com", false);
     var idnService = Cc["@mozilla.org/network/idn-service;1"].getService(Ci.nsIIDNService);
 
     for (var i = 0; i < profiles.length; ++i) {