Added tests for uncovered LocaleDisplayNames methods.

Bug: 22023363
Change-Id: I205e729f52ba4765e2af9aa4d0a07b901769c1a0

2 files changed, 96 insertions, 0 deletions

diff --git a/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/LocaleDisplayNamesTest.java b/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/LocaleDisplayNamesTest.java
new file mode 100644
index 000000000..14a7586da
--- /dev/null
+++ b/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/LocaleDisplayNamesTest.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.icu.cts.coverage.text;
+
+import android.icu.impl.LocaleDisplayNamesImpl;
+import android.icu.lang.UScript;
+import android.icu.text.DisplayContext;
+import android.icu.text.LocaleDisplayNames;
+import android.icu.util.ULocale;
+import java.util.Locale;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * There is only one implementation we care about which is {@link LocaleDisplayNamesImpl} as the
+ * other one shouldn't be used.
+ */
+@RunWith(JUnit4.class)
+public class LocaleDisplayNamesTest {
+
+    @Test
+    public void testGetInstance() {
+        DisplayContext capitalization = DisplayContext.CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE;
+        DisplayContext dialectHandling = DisplayContext.STANDARD_NAMES;
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.CANADA, capitalization, dialectHandling);
+        assertEquals(capitalization, names.getContext(DisplayContext.Type.CAPITALIZATION));
+        assertEquals(dialectHandling, names.getContext(DisplayContext.Type.DIALECT_HANDLING));
+    }
+
+    @Test
+    public void testGetLocale() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.CANADA);
+        assertEquals(ULocale.CANADA, names.getLocale());
+    }
+
+    @Test
+    public void testKeyDisplayName() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.GERMANY, DisplayContext.CAPITALIZATION_FOR_BEGINNING_OF_SENTENCE);
+        assertEquals("Währung", names.keyDisplayName("currency"));
+    }
+
+    @Test
+    public void testKeyValueDisplayName() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.CANADA, DisplayContext.CAPITALIZATION_FOR_UI_LIST_OR_MENU);
+        assertEquals("Sterling", names.keyValueDisplayName("currency", "sterling"));
+    }
+
+    @Test
+    public void testLocaleDisplayName() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.FRANCE, DisplayContext.CAPITALIZATION_FOR_STANDALONE);
+        assertEquals("coréen (Corée du Sud)", names.localeDisplayName(Locale.KOREA));
+    }
+
+    @Test
+    public void testScriptDisplayName_Int() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.CHINA, DisplayContext.CAPITALIZATION_FOR_MIDDLE_OF_SENTENCE);
+        assertEquals("巴厘文", names.scriptDisplayName(UScript.BALINESE));
+    }
+
+    @Test
+    public void testScriptDisplayName_String() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.CHINA, DisplayContext.CAPITALIZATION_FOR_MIDDLE_OF_SENTENCE);
+        assertEquals("巴厘文", names.scriptDisplayName(UScript.BALINESE));
+    }
+
+    @Test
+    public void testVariantDisplayName() {
+        LocaleDisplayNamesImpl names = (LocaleDisplayNamesImpl) LocaleDisplayNames.getInstance(
+                Locale.CHINA, DisplayContext.CAPITALIZATION_NONE);
+        assertEquals("拼音罗马字", names.variantDisplayName("PINYIN"));
+    }
+}
diff --git a/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/TestAll.java b/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/TestAll.java
index 62febe799..3602b1f45 100644
--- a/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/TestAll.java
+++ b/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/TestAll.java
@@ -26,6 +26,7 @@ import org.junit.runners.Suite;
 @Suite.SuiteClasses({
         AlphabeticIndexTest.class,
         DateFormatSymbolsTest.class,
+        LocaleDisplayNamesTest.class,
         RelativeDateTimeFormatterTest.class,
         TimeZoneNamesTest.class,
         UnicodeSetTest.class,