1 files changed, 87 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.3/packages/api-utils/tests/test-preferences-service.js b/tools/addon-sdk-1.3/packages/api-utils/tests/test-preferences-service.js
new file mode 100644
index 0000000..dd0de38
--- /dev/null
+++ b/tools/addon-sdk-1.3/packages/api-utils/tests/test-preferences-service.js
@@ -0,0 +1,87 @@
+var prefs = require("preferences-service");
+var {Cc,Ci} = require("chrome");
+
+exports.testReset = function(test) {
+  prefs.reset("test_reset_pref");
+  test.assertEqual(prefs.has("test_reset_pref"), false);
+  test.assertEqual(prefs.isSet("test_reset_pref"), false);
+  prefs.set("test_reset_pref", 5);
+  test.assertEqual(prefs.has("test_reset_pref"), true);
+  test.assertEqual(prefs.isSet("test_reset_pref"), true);
+};
+
+exports.testGetAndSet = function(test) {
+  let svc = Cc["@mozilla.org/preferences-service;1"].
+            getService(Ci.nsIPrefService).
+            getBranch(null);
+  svc.setCharPref("test_get_string_pref", "a normal string");
+  test.assertEqual(prefs.get("test_get_string_pref"), "a normal string",
+                   "preferences-service should read from " +
+                   "application-wide preferences service");
+
+  prefs.set("test_set_get_pref.integer", 1);
+  test.assertEqual(prefs.get("test_set_get_pref.integer"), 1,
+                   "set/get integer preference should work");
+
+  prefs.set("test_set_get_number_pref", 42);
+  test.assertRaises(
+    function() { prefs.set("test_set_get_number_pref", 3.14159); },
+    "cannot store non-integer number: 3.14159",
+    "setting a float preference should raise an error"
+  );
+  test.assertEqual(prefs.get("test_set_get_number_pref"), 42,
+                   "bad-type write attempt should not overwrite");
+
+  // 0x80000000 (no), 0x7fffffff (yes), -0x80000000 (yes), -0x80000001 (no)
+  test.assertRaises(
+    function() { prefs.set("test_set_get_number_pref", Math.pow(2, 31)); },
+    ("you cannot set the test_set_get_number_pref pref to the number " +
+     "2147483648, as number pref values must be in the signed 32-bit " +
+     "integer range -(2^31) to 2^31-1.  To store numbers outside that " +
+     "range, store them as strings."),
+    "setting an int pref outside the range -(2^31) to 2^31-1 shouldn't work"
+  );
+  test.assertEqual(prefs.get("test_set_get_number_pref"), 42,
+                   "out-of-range write attempt should not overwrite 1");
+  prefs.set("test_set_get_number_pref", Math.pow(2, 31)-1);
+  test.assertEqual(prefs.get("test_set_get_number_pref"), 0x7fffffff,
+                   "in-range write attempt should work 1");
+  prefs.set("test_set_get_number_pref", -Math.pow(2, 31));
+  test.assertEqual(prefs.get("test_set_get_number_pref"), -0x80000000,
+                   "in-range write attempt should work 2");
+  test.assertRaises(
+    function() { prefs.set("test_set_get_number_pref", -0x80000001); },
+    ("you cannot set the test_set_get_number_pref pref to the number " +
+     "-2147483649, as number pref values must be in the signed 32-bit " +
+     "integer range -(2^31) to 2^31-1.  To store numbers outside that " +
+     "range, store them as strings."),
+    "setting an int pref outside the range -(2^31) to 2^31-1 shouldn't work"
+  );
+  test.assertEqual(prefs.get("test_set_get_number_pref"), -0x80000000,
+                   "out-of-range write attempt should not overwrite 2");
+
+
+  prefs.set("test_set_get_pref.string", "foo");
+  test.assertEqual(prefs.get("test_set_get_pref.string"), "foo",
+                   "set/get string preference should work");
+
+  prefs.set("test_set_get_pref.boolean", true);
+  test.assertEqual(prefs.get("test_set_get_pref.boolean"), true,
+                   "set/get boolean preference should work");
+
+  prefs.set("test_set_get_unicode_pref", String.fromCharCode(960));
+  test.assertEqual(prefs.get("test_set_get_unicode_pref"),
+                   String.fromCharCode(960),
+                   "set/get unicode preference should work");
+
+  var unsupportedValues = [null, [], undefined];
+  unsupportedValues.forEach(
+    function(value) {
+      test.assertRaises(
+        function() { prefs.set("test_set_pref", value); },
+        ("can't set pref test_set_pref to value '" + value + "'; " +
+         "it isn't a string, integer, or boolean"),
+        "Setting a pref to " + uneval(value) + " should raise error"
+      );
+    });
+};