1 files changed, 78 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_attributes.js b/js/xpconnect/tests/unit/test_attributes.js
new file mode 100644
index 0000000000..767eb77e38
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_attributes.js
@@ -0,0 +1,78 @@
+/* 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/. */
+
+function run_test() {
+
+  // Load the component manifests.
+  registerXPCTestComponents();
+  registerAppManifest(do_get_file('../components/js/xpctest.manifest'));
+
+  // Test for each component.
+  test_component_readwrite("@mozilla.org/js/xpc/test/native/ObjectReadWrite;1");
+  test_component_readwrite("@mozilla.org/js/xpc/test/js/ObjectReadWrite;1");
+  test_component_readonly("@mozilla.org/js/xpc/test/native/ObjectReadOnly;1");
+  test_component_readonly("@mozilla.org/js/xpc/test/js/ObjectReadOnly;1");
+}
+
+function test_component_readwrite(contractid) {
+
+  // Instantiate the object.
+  var o = Cc[contractid].createInstance(Ci["nsIXPCTestObjectReadWrite"]);
+
+  // Test the initial values.
+  Assert.equal("XPConnect Read-Writable String", o.stringProperty);
+  Assert.equal(true, o.booleanProperty);
+  Assert.equal(32767, o.shortProperty);
+  Assert.equal(2147483647, o.longProperty);
+  Assert.ok(5.25 < o.floatProperty && 5.75 > o.floatProperty);
+  Assert.equal("X", o.charProperty);
+  Assert.equal(-1, o.timeProperty);
+
+  // Write new values.
+  o.stringProperty = "another string";
+  o.booleanProperty = false;
+  o.shortProperty = -12345;
+  o.longProperty = 1234567890;
+  o.floatProperty = 10.2;
+  o.charProperty = "Z";
+  o.timeProperty = 1;
+
+  // Test the new values.
+  Assert.equal("another string", o.stringProperty);
+  Assert.equal(false, o.booleanProperty);
+  Assert.equal(-12345, o.shortProperty);
+  Assert.equal(1234567890, o.longProperty);
+  Assert.ok(10.15 < o.floatProperty && 10.25 > o.floatProperty);
+  Assert.equal("Z", o.charProperty);
+  Assert.equal(1, o.timeProperty);
+
+  // Assign values that differ from the expected type to verify conversion.
+
+  function SetAndTestBooleanProperty(newValue, expectedValue) {
+    o.booleanProperty = newValue;
+    Assert.equal(expectedValue, o.booleanProperty);
+  };
+  SetAndTestBooleanProperty(false, false);
+  SetAndTestBooleanProperty(1, true);
+  SetAndTestBooleanProperty(null, false);
+  SetAndTestBooleanProperty("A", true);
+  SetAndTestBooleanProperty(undefined, false);
+  SetAndTestBooleanProperty([], true);
+  SetAndTestBooleanProperty({}, true);
+}
+
+function test_component_readonly(contractid) {
+
+  // Instantiate the object.
+  var o = Cc[contractid].createInstance(Ci["nsIXPCTestObjectReadOnly"]);
+
+  // Test the initial values.
+  Assert.equal("XPConnect Read-Only String", o.strReadOnly);
+  Assert.equal(true, o.boolReadOnly);
+  Assert.equal(32767, o.shortReadOnly);
+  Assert.equal(2147483647, o.longReadOnly);
+  Assert.ok(5.25 < o.floatReadOnly && 5.75 > o.floatReadOnly);
+  Assert.equal("X", o.charReadOnly);
+  Assert.equal(-1, o.timeReadOnly);
+}