Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 408 insertions, 0 deletions

diff --git a/toolkit/modules/tests/xpcshell/test_Preferences.js b/toolkit/modules/tests/xpcshell/test_Preferences.js
new file mode 100644
index 0000000000..732e8218e8
--- /dev/null
+++ b/toolkit/modules/tests/xpcshell/test_Preferences.js
@@ -0,0 +1,408 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+var Cm = Components.manager;
+
+const { Preferences } = ChromeUtils.import(
+  "resource://gre/modules/Preferences.jsm"
+);
+
+add_test(function test_set_get_pref() {
+  Preferences.set("test_set_get_pref.integer", 1);
+  Assert.equal(Preferences.get("test_set_get_pref.integer"), 1);
+
+  Preferences.set("test_set_get_pref.string", "foo");
+  Assert.equal(Preferences.get("test_set_get_pref.string"), "foo");
+
+  Preferences.set("test_set_get_pref.boolean", true);
+  Assert.equal(Preferences.get("test_set_get_pref.boolean"), true);
+
+  // Clean up.
+  Preferences.resetBranch("test_set_get_pref.");
+
+  run_next_test();
+});
+
+add_test(function test_set_get_branch_pref() {
+  let prefs = new Preferences("test_set_get_branch_pref.");
+
+  prefs.set("something", 1);
+  Assert.equal(prefs.get("something"), 1);
+  Assert.ok(!Preferences.has("something"));
+
+  // Clean up.
+  prefs.reset("something");
+
+  run_next_test();
+});
+
+add_test(function test_set_get_multiple_prefs() {
+  Preferences.set({
+    "test_set_get_multiple_prefs.integer": 1,
+    "test_set_get_multiple_prefs.string": "foo",
+    "test_set_get_multiple_prefs.boolean": true,
+  });
+
+  let [i, s, b] = Preferences.get([
+    "test_set_get_multiple_prefs.integer",
+    "test_set_get_multiple_prefs.string",
+    "test_set_get_multiple_prefs.boolean",
+  ]);
+
+  Assert.equal(i, 1);
+  Assert.equal(s, "foo");
+  Assert.equal(b, true);
+
+  // Clean up.
+  Preferences.resetBranch("test_set_get_multiple_prefs.");
+
+  run_next_test();
+});
+
+add_test(function test_get_multiple_prefs_with_default_value() {
+  Preferences.set({
+    "test_get_multiple_prefs_with_default_value.a": 1,
+    "test_get_multiple_prefs_with_default_value.b": 2,
+  });
+
+  let [a, b, c] = Preferences.get(
+    [
+      "test_get_multiple_prefs_with_default_value.a",
+      "test_get_multiple_prefs_with_default_value.b",
+      "test_get_multiple_prefs_with_default_value.c",
+    ],
+    0
+  );
+
+  Assert.equal(a, 1);
+  Assert.equal(b, 2);
+  Assert.equal(c, 0);
+
+  // Clean up.
+  Preferences.resetBranch("test_get_multiple_prefs_with_default_value.");
+
+  run_next_test();
+});
+
+add_test(function test_set_get_unicode_pref() {
+  Preferences.set("test_set_get_unicode_pref", String.fromCharCode(960));
+  Assert.equal(
+    Preferences.get("test_set_get_unicode_pref"),
+    String.fromCharCode(960)
+  );
+
+  // Clean up.
+  Preferences.reset("test_set_get_unicode_pref");
+
+  run_next_test();
+});
+
+add_test(function test_set_null_pref() {
+  try {
+    Preferences.set("test_set_null_pref", null);
+    // We expect this to throw, so the test is designed to fail if it doesn't.
+    Assert.ok(false);
+  } catch (ex) {}
+
+  run_next_test();
+});
+
+add_test(function test_set_undefined_pref() {
+  try {
+    Preferences.set("test_set_undefined_pref");
+    // We expect this to throw, so the test is designed to fail if it doesn't.
+    Assert.ok(false);
+  } catch (ex) {}
+
+  run_next_test();
+});
+
+add_test(function test_set_unsupported_pref() {
+  try {
+    Preferences.set("test_set_unsupported_pref", []);
+    // We expect this to throw, so the test is designed to fail if it doesn't.
+    Assert.ok(false);
+  } catch (ex) {}
+
+  run_next_test();
+});
+
+// Make sure that we can get a string pref that we didn't set ourselves.
+add_test(function test_get_string_pref() {
+  Services.prefs.setCharPref("test_get_string_pref", "a normal string");
+  Assert.equal(Preferences.get("test_get_string_pref"), "a normal string");
+
+  // Clean up.
+  Preferences.reset("test_get_string_pref");
+
+  run_next_test();
+});
+
+add_test(function test_get_localized_string_pref() {
+  let prefName = "test_get_localized_string_pref";
+  let localizedString = Cc[
+    "@mozilla.org/pref-localizedstring;1"
+  ].createInstance(Ci.nsIPrefLocalizedString);
+  localizedString.data = "a localized string";
+  Services.prefs.setComplexValue(
+    prefName,
+    Ci.nsIPrefLocalizedString,
+    localizedString
+  );
+  Assert.equal(
+    Preferences.get(prefName, null, Ci.nsIPrefLocalizedString),
+    "a localized string"
+  );
+
+  // Clean up.
+  Preferences.reset(prefName);
+
+  run_next_test();
+});
+
+add_test(function test_set_get_number_pref() {
+  Preferences.set("test_set_get_number_pref", 5);
+  Assert.equal(Preferences.get("test_set_get_number_pref"), 5);
+
+  // Non-integer values get converted to integers.
+  Preferences.set("test_set_get_number_pref", 3.14159);
+  Assert.equal(Preferences.get("test_set_get_number_pref"), 3);
+
+  // Values outside the range -(2^31-1) to 2^31-1 overflow.
+  try {
+    Preferences.set("test_set_get_number_pref", Math.pow(2, 31));
+    // We expect this to throw, so the test is designed to fail if it doesn't.
+    Assert.ok(false);
+  } catch (ex) {}
+
+  // Clean up.
+  Preferences.reset("test_set_get_number_pref");
+
+  run_next_test();
+});
+
+add_test(function test_reset_pref() {
+  Preferences.set("test_reset_pref", 1);
+  Preferences.reset("test_reset_pref");
+  Assert.equal(Preferences.get("test_reset_pref"), undefined);
+
+  run_next_test();
+});
+
+add_test(function test_reset_pref_branch() {
+  Preferences.set("test_reset_pref_branch.foo", 1);
+  Preferences.set("test_reset_pref_branch.bar", 2);
+  Preferences.resetBranch("test_reset_pref_branch.");
+  Assert.equal(Preferences.get("test_reset_pref_branch.foo"), undefined);
+  Assert.equal(Preferences.get("test_reset_pref_branch.bar"), undefined);
+
+  run_next_test();
+});
+
+// Make sure the module doesn't throw an exception when asked to reset
+// a nonexistent pref.
+add_test(function test_reset_nonexistent_pref() {
+  Preferences.reset("test_reset_nonexistent_pref");
+
+  run_next_test();
+});
+
+// Make sure the module doesn't throw an exception when asked to reset
+// a nonexistent pref branch.
+add_test(function test_reset_nonexistent_pref_branch() {
+  Preferences.resetBranch("test_reset_nonexistent_pref_branch.");
+
+  run_next_test();
+});
+
+add_test(function test_observe_prefs_function() {
+  let observed = false;
+  let observer = function() {
+    observed = !observed;
+  };
+
+  Preferences.observe("test_observe_prefs_function", observer);
+  Preferences.set("test_observe_prefs_function.subpref", "something");
+  Assert.ok(!observed);
+  Preferences.set("test_observe_prefs_function", "something");
+  Assert.ok(observed);
+
+  Preferences.ignore("test_observe_prefs_function", observer);
+  Preferences.set("test_observe_prefs_function", "something else");
+  Assert.ok(observed);
+
+  // Clean up.
+  Preferences.reset("test_observe_prefs_function");
+  Preferences.reset("test_observe_prefs_function.subpref");
+
+  run_next_test();
+});
+
+add_test(function test_observe_prefs_object() {
+  let observer = {
+    observed: false,
+    observe() {
+      this.observed = !this.observed;
+    },
+  };
+
+  Preferences.observe("test_observe_prefs_object", observer.observe, observer);
+  Preferences.set("test_observe_prefs_object.subpref", "something");
+  Assert.ok(!observer.observed);
+  Preferences.set("test_observe_prefs_object", "something");
+  Assert.ok(observer.observed);
+
+  Preferences.ignore("test_observe_prefs_object", observer.observe, observer);
+  Preferences.set("test_observe_prefs_object", "something else");
+  Assert.ok(observer.observed);
+
+  // Clean up.
+  Preferences.reset("test_observe_prefs_object");
+  Preferences.reset("test_observe_prefs_object.subpref");
+
+  run_next_test();
+});
+
+add_test(function test_observe_prefs_nsIObserver() {
+  let observer = {
+    observed: false,
+    observe(subject, topic, data) {
+      this.observed = !this.observed;
+      Assert.ok(subject instanceof Ci.nsIPrefBranch);
+      Assert.equal(topic, "nsPref:changed");
+      Assert.equal(data, "test_observe_prefs_nsIObserver");
+    },
+  };
+
+  Preferences.observe("test_observe_prefs_nsIObserver", observer);
+  Preferences.set("test_observe_prefs_nsIObserver.subpref", "something");
+  Preferences.set("test_observe_prefs_nsIObserver", "something");
+  Assert.ok(observer.observed);
+
+  Preferences.ignore("test_observe_prefs_nsIObserver", observer);
+  Preferences.set("test_observe_prefs_nsIObserver", "something else");
+  Assert.ok(observer.observed);
+
+  // Clean up.
+  Preferences.reset("test_observe_prefs_nsIObserver");
+  Preferences.reset("test_observe_prefs_nsIObserver.subpref");
+
+  run_next_test();
+});
+
+// This should not need to be said, but *DO NOT DISABLE THIS TEST*.
+//
+// Existing consumers of the observer API depend on the observer only
+// being triggered for the exact preference they are observing. This is
+// expecially true for consumers of the function callback variant which
+// passes the preference's new value but not its name.
+add_test(function test_observe_exact_pref() {
+  let observed = false;
+  let observer = function() {
+    observed = !observed;
+  };
+
+  Preferences.observe("test_observe_exact_pref", observer);
+  Preferences.set("test_observe_exact_pref.sub-pref", "something");
+  Assert.ok(!observed);
+
+  // Clean up.
+  Preferences.ignore("test_observe_exact_pref", observer);
+  Preferences.reset("test_observe_exact_pref.sub-pref");
+
+  run_next_test();
+});
+
+add_test(function test_observe_value_of_set_pref() {
+  let observer = function(newVal) {
+    Assert.equal(newVal, "something");
+  };
+
+  Preferences.observe("test_observe_value_of_set_pref", observer);
+  Preferences.set("test_observe_value_of_set_pref.subpref", "somethingelse");
+  Preferences.set("test_observe_value_of_set_pref", "something");
+
+  // Clean up.
+  Preferences.ignore("test_observe_value_of_set_pref", observer);
+  Preferences.reset("test_observe_value_of_set_pref");
+  Preferences.reset("test_observe_value_of_set_pref.subpref");
+
+  run_next_test();
+});
+
+add_test(function test_observe_value_of_reset_pref() {
+  let observer = function(newVal) {
+    Assert.ok(typeof newVal == "undefined");
+  };
+
+  Preferences.set("test_observe_value_of_reset_pref", "something");
+  Preferences.observe("test_observe_value_of_reset_pref", observer);
+  Preferences.reset("test_observe_value_of_reset_pref");
+
+  // Clean up.
+  Preferences.ignore("test_observe_value_of_reset_pref", observer);
+
+  run_next_test();
+});
+
+add_test(function test_has_pref() {
+  Assert.ok(!Preferences.has("test_has_pref"));
+  Preferences.set("test_has_pref", "foo");
+  Assert.ok(Preferences.has("test_has_pref"));
+
+  Preferences.set("test_has_pref.foo", "foo");
+  Preferences.set("test_has_pref.bar", "bar");
+  let [hasFoo, hasBar, hasBaz] = Preferences.has([
+    "test_has_pref.foo",
+    "test_has_pref.bar",
+    "test_has_pref.baz",
+  ]);
+  Assert.ok(hasFoo);
+  Assert.ok(hasBar);
+  Assert.ok(!hasBaz);
+
+  // Clean up.
+  Preferences.resetBranch("test_has_pref");
+
+  run_next_test();
+});
+
+add_test(function test_isSet_pref() {
+  // Use a pref that we know has a default value but no user-set value.
+  // This feels dangerous; perhaps we should create some other default prefs
+  // that we can use for testing.
+  Assert.ok(!Preferences.isSet("toolkit.defaultChromeURI"));
+  Preferences.set("toolkit.defaultChromeURI", "foo");
+  Assert.ok(Preferences.isSet("toolkit.defaultChromeURI"));
+
+  // Clean up.
+  Preferences.reset("toolkit.defaultChromeURI");
+
+  run_next_test();
+});
+
+/*
+add_test(function test_lock_prefs() {
+  // Use a pref that we know has a default value.
+  // This feels dangerous; perhaps we should create some other default prefs
+  // that we can use for testing.
+  do_check_false(Preferences.locked("toolkit.defaultChromeURI"));
+  Preferences.lock("toolkit.defaultChromeURI");
+  do_check_true(Preferences.locked("toolkit.defaultChromeURI"));
+  Preferences.unlock("toolkit.defaultChromeURI");
+  do_check_false(Preferences.locked("toolkit.defaultChromeURI"));
+
+  let val = Preferences.get("toolkit.defaultChromeURI");
+  Preferences.set("toolkit.defaultChromeURI", "test_lock_prefs");
+  do_check_eq(Preferences.get("toolkit.defaultChromeURI"), "test_lock_prefs");
+  Preferences.lock("toolkit.defaultChromeURI");
+  do_check_eq(Preferences.get("toolkit.defaultChromeURI"), val);
+  Preferences.unlock("toolkit.defaultChromeURI");
+  do_check_eq(Preferences.get("toolkit.defaultChromeURI"), "test_lock_prefs");
+
+  // Clean up.
+  Preferences.reset("toolkit.defaultChromeURI");
+
+  run_next_test();
+});
+*/