Add m-esr52 at 52.6.0

7 files changed, 278 insertions, 0 deletions

diff --git a/modules/libpref/test/unit_ipc/test_existing_prefs.js b/modules/libpref/test/unit_ipc/test_existing_prefs.js
new file mode 100644
index 000000000..4c51c4d67
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_existing_prefs.js
@@ -0,0 +1,21 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+function isParentProcess() {
+    let appInfo = Cc["@mozilla.org/xre/app-info;1"];
+    return (!appInfo || appInfo.getService(Ci.nsIXULRuntime).processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);
+}
+
+function run_test() {
+  if (isParentProcess() == false) {
+
+    do_load_child_test_harness();
+ 
+    var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+    pb.setBoolPref("Test.IPC.bool.new", true);
+    pb.setIntPref("Test.IPC.int.new", 23);
+    pb.setCharPref("Test.IPC.char.new", "hey");
+
+    run_test_in_child("test_observed_prefs.js");
+  }
+}
\ No newline at end of file
diff --git a/modules/libpref/test/unit_ipc/test_initial_prefs.js b/modules/libpref/test/unit_ipc/test_initial_prefs.js
new file mode 100644
index 000000000..62b36c694
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_initial_prefs.js
@@ -0,0 +1,18 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+function isParentProcess() {
+    let appInfo = Cc["@mozilla.org/xre/app-info;1"];
+    return (!appInfo || appInfo.getService(Ci.nsIXULRuntime).processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);
+}
+
+function run_test() {
+  if (isParentProcess() == false) {
+      var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+      pb.setBoolPref("Test.IPC.bool", true);
+      pb.setIntPref("Test.IPC.int", 23);
+      pb.setCharPref("Test.IPC.char", "hey");
+
+      run_test_in_child("test_existing_prefs.JS");
+  }
+}
\ No newline at end of file
diff --git a/modules/libpref/test/unit_ipc/test_large_pref.js b/modules/libpref/test/unit_ipc/test_large_pref.js
new file mode 100644
index 000000000..c3c937b43
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_large_pref.js
@@ -0,0 +1,98 @@
+/* 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/. */
+
+// Large preferences should not be set in the child process.
+// Non-string preferences are not tested here, because their behavior
+// should not be affected by this filtering.
+
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+function isParentProcess() {
+    let appInfo = Cc["@mozilla.org/xre/app-info;1"];
+    return (!appInfo || appInfo.getService(Ci.nsIXULRuntime).processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);
+}
+
+function makeBuffer(length) {
+    let string = "x";
+    while (string.length < length) {
+      string = string + string;
+    }
+    if (string.length > length) {
+      string = string.substring(length - string.length);
+    }
+    return string;
+}
+
+// from prefapi.h
+const MAX_ADVISABLE_PREF_LENGTH = 4 * 1024;
+
+const largeString = makeBuffer(MAX_ADVISABLE_PREF_LENGTH + 1);
+const smallString = makeBuffer(4);
+
+const testValues = [
+  {name: "None", value: undefined},
+  {name: "Small", value: smallString},
+  {name: "Large", value: largeString},
+];
+
+function prefName(def, user) {
+  return "Test.IPC.default" + def.name + "User" + user.name;
+}
+
+function expectedPrefValue(def, user) {
+  if (user.value) {
+    return user.value;
+  }
+  return def.value;
+}
+
+function run_test() {
+  let pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+  let ps = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefService);
+  let defaultBranch = ps.getDefaultBranch("");
+
+  let isParent = isParentProcess();
+  if (isParent) {
+    // Set all combinations of none, small and large, for default and user prefs.
+    for (let def of testValues) {
+      for (let user of testValues) {
+        let currPref = prefName(def, user);
+        if (def.value) {
+          defaultBranch.setCharPref(currPref, def.value);
+        }
+        if (user.value) {
+          pb.setCharPref(currPref, user.value);
+        }
+      }
+    }
+
+    run_test_in_child("test_large_pref.js");
+  }
+
+  // Check that each preference is set or not set, as appropriate.
+  for (let def of testValues) {
+    for (let user of testValues) {
+      if (!def.value && !user.value) {
+        continue;
+      }
+      let pref_name = prefName(def, user);
+      if (isParent || (def.name != "Large" && user.name != "Large")) {
+        do_check_eq(pb.getCharPref(pref_name), expectedPrefValue(def, user));
+      } else {
+        // This is the child, and either the default or user value is
+        // large, so the preference should not be set.
+        let prefExists;
+        try {
+          pb.getCharPref(pref_name);
+          prefExists = true;
+        } catch(e) {
+          prefExists = false;
+        }
+        ok(!prefExists,
+           "Pref " + pref_name + " should not be set in the child");
+      }
+    }
+  }
+}
diff --git a/modules/libpref/test/unit_ipc/test_observed_prefs.js b/modules/libpref/test/unit_ipc/test_observed_prefs.js
new file mode 100644
index 000000000..c18f7f0fe
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_observed_prefs.js
@@ -0,0 +1,16 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+function isParentProcess() {
+    let appInfo = Cc["@mozilla.org/xre/app-info;1"];
+    return (!appInfo || appInfo.getService(Ci.nsIXULRuntime).processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);
+}
+
+function run_test() {
+  if (isParentProcess() == false) {
+      var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+      do_check_eq(pb.getBoolPref("Test.IPC.bool.new"), true);
+      do_check_eq(pb.getIntPref("Test.IPC.int.new"), 23);
+      do_check_eq(pb.getCharPref("Test.IPC.char.new"), "hey");
+  }
+}
\ No newline at end of file
diff --git a/modules/libpref/test/unit_ipc/test_update_prefs.js b/modules/libpref/test/unit_ipc/test_update_prefs.js
new file mode 100644
index 000000000..7e1b0dcd7
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_update_prefs.js
@@ -0,0 +1,38 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+function isParentProcess() {
+    let appInfo = Cc["@mozilla.org/xre/app-info;1"];
+    return (!appInfo || appInfo.getService(Ci.nsIXULRuntime).processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT);
+}
+
+function run_test() {
+  if (isParentProcess()) {
+
+    do_load_child_test_harness();
+
+    var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+
+    // these prefs are set after the child has been created.
+    pb.setBoolPref("Test.IPC.bool.new", true);
+    pb.setIntPref("Test.IPC.int.new", 23);
+    pb.setCharPref("Test.IPC.char.new", "hey");
+
+    run_test_in_child("test_observed_prefs.js", testPrefClear);
+  }
+}
+
+function testPrefClear() {
+  var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+  pb.clearUserPref("Test.IPC.bool.new");
+
+  sendCommand(
+'var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);\n'+
+'pb.prefHasUserValue("Test.IPC.bool.new");\n',
+    checkWasCleared);
+}
+
+function checkWasCleared(existsStr) {
+    do_check_eq(existsStr, "false");
+    do_test_finished();
+}
\ No newline at end of file
diff --git a/modules/libpref/test/unit_ipc/test_user_default_prefs.js b/modules/libpref/test/unit_ipc/test_user_default_prefs.js
new file mode 100644
index 000000000..3b8ca28c6
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/test_user_default_prefs.js
@@ -0,0 +1,76 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+var pb = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
+
+// This pref is chosen somewhat arbitrarily --- we just need one
+// that's guaranteed to have a default value.
+const kPrefName = 'intl.accept_languages'; // of type char, which we
+                                           // assume below
+var initialValue = null;
+
+function check_child_pref_info_eq(continuation) {
+    sendCommand(
+        'var pb = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);\n'+
+        // Returns concatenation "[value],[isUser]"
+        'pb.getCharPref("'+ kPrefName +'")+ "," +'+
+        'pb.prefHasUserValue("'+ kPrefName +'");',
+        function (info) {
+            let [ value, isUser ] = info.split(',');
+            do_check_eq(pb.getCharPref(kPrefName), value);
+            do_check_eq(pb.prefHasUserValue(kPrefName), isUser == "true");
+            continuation();
+        });
+}
+
+function run_test() {
+    // We finish in clean_up()
+    do_test_pending();
+
+    try {
+        if (pb.getCharPref('dom.ipc.processPrelaunch.enabled')) {
+            dump('WARNING: Content process may already have launched, so this test may not be meaningful.');
+        }
+    } catch(e) { }
+
+    initialValue = pb.getCharPref(kPrefName);
+
+    test_user_setting();
+}
+
+function test_user_setting() {
+    // We rely on setting this before the content process starts up.
+    // When it starts up, it should recognize this as a user pref, not
+    // a default pref.
+    pb.setCharPref(kPrefName, 'i-imaginarylanguage');
+    // NB: processing of the value-change notification in the child
+    // process triggered by the above set happens-before the remaining
+    // code here
+    check_child_pref_info_eq(function () {
+            do_check_eq(pb.prefHasUserValue(kPrefName), true);
+
+            test_cleared_is_default();
+        });
+}
+
+function test_cleared_is_default() {
+    pb.clearUserPref(kPrefName);
+    // NB: processing of the value-change notification in the child
+    // process triggered by the above set happens-before the remaining
+    // code here
+    check_child_pref_info_eq(function () {
+            do_check_eq(pb.prefHasUserValue(kPrefName), false);
+
+            clean_up();
+        });
+}
+
+function clean_up() {
+    pb.setCharPref(kPrefName, initialValue);
+    // NB: processing of the value-change notification in the child
+    // process triggered by the above set happens-before the remaining
+    // code here
+    check_child_pref_info_eq(function () {
+            do_test_finished();
+        });
+}
\ No newline at end of file
diff --git a/modules/libpref/test/unit_ipc/xpcshell.ini b/modules/libpref/test/unit_ipc/xpcshell.ini
new file mode 100644
index 000000000..319276e68
--- /dev/null
+++ b/modules/libpref/test/unit_ipc/xpcshell.ini
@@ -0,0 +1,11 @@
+[DEFAULT]
+head = 
+tail = 
+skip-if = toolkit == 'android'
+
+[test_existing_prefs.js]
+[test_initial_prefs.js]
+[test_large_pref.js]
+[test_observed_prefs.js]
+[test_update_prefs.js]
+[test_user_default_prefs.js]