+
+ @SmallTest
+ public void testImeSubtypeListComparator() throws Exception {
+ {
+ final List<ImeSubtypeListItem> items = Arrays.asList(
+ createDummyItem("X", "A", "en_US", 0, "en_US"),
+ createDummyItem("X", "A", "en", 1, "en_US"),
+ createDummyItem("X", "A", "ja", 2, "en_US"),
+ createDummyItem("X", "Z", "en_US", 3, "en_US"),
+ createDummyItem("X", "Z", "en", 4, "en_US"),
+ createDummyItem("X", "Z", "ja", 5, "en_US"),
+ createDummyItem("X", "", "en_US", 6, "en_US"),
+ createDummyItem("X", "", "en", 7, "en_US"),
+ createDummyItem("X", "", "ja", 8, "en_US"),
+ createDummyItem("Y", "A", "en_US", 9, "en_US"),
+ createDummyItem("Y", "A", "en", 10, "en_US"),
+ createDummyItem("Y", "A", "ja", 11, "en_US"),
+ createDummyItem("Y", "Z", "en_US", 12, "en_US"),
+ createDummyItem("Y", "Z", "en", 13, "en_US"),
+ createDummyItem("Y", "Z", "ja", 14, "en_US"),
+ createDummyItem("Y", "", "en_US", 15, "en_US"),
+ createDummyItem("Y", "", "en", 16, "en_US"),
+ createDummyItem("Y", "", "ja", 17, "en_US"),
+ createDummyItem("", "A", "en_US", 18, "en_US"),
+ createDummyItem("", "A", "en", 19, "en_US"),
+ createDummyItem("", "A", "ja", 20, "en_US"),
+ createDummyItem("", "Z", "en_US", 21, "en_US"),
+ createDummyItem("", "Z", "en", 22, "en_US"),
+ createDummyItem("", "Z", "ja", 23, "en_US"),
+ createDummyItem("", "", "en_US", 24, "en_US"),
+ createDummyItem("", "", "en", 25, "en_US"),
+ createDummyItem("", "", "ja", 26, "en_US"));
+
+ for (int i = 0; i < items.size(); ++i) {
+ assertEquals(0, items.get(i).compareTo(items.get(i)));
+ for (int j = i + 1; j < items.size(); ++j) {
+ assertTrue(items.get(i).compareTo(items.get(j)) < 0);
+ assertTrue(items.get(j).compareTo(items.get(i)) > 0);
+ }
+ }
+ }
+
+ {
+ // Following two items have the same priority.
+ final ImeSubtypeListItem nonSystemLocale1 =
+ createDummyItem("X", "A", "ja_JP", 0, "en_us");
+ final ImeSubtypeListItem nonSystemLocale2 =
+ createDummyItem("X", "A", "hi_IN", 1, "en_us");
+ assertEquals(0, nonSystemLocale1.compareTo(nonSystemLocale2));
+ assertEquals(0, nonSystemLocale2.compareTo(nonSystemLocale1));
+ }
+ }