Add CTS coverage test to DateIntervalFormat.

Bug: 22023363
Change-Id: I3d197d590e9ff7432ca1b1e0283438d6c1c8819c

2 files changed, 81 insertions, 0 deletions

diff --git a/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/DateIntervalFormatTest.java b/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/DateIntervalFormatTest.java
new file mode 100644
index 000000000..19040668f
--- /dev/null
+++ b/android_icu4j/cts-coverage/src/main/tests/android/icu/cts/coverage/text/DateIntervalFormatTest.java
@@ -0,0 +1,80 @@
+/*
+ * 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.cts.coverage.rules.ULocaleDefault;
+import android.icu.cts.coverage.rules.ULocaleDefaultRule;
+import android.icu.text.DateFormat;
+import android.icu.text.DateIntervalFormat;
+import android.icu.text.DateIntervalInfo;
+import android.icu.util.Calendar;
+import android.icu.util.DateInterval;
+import android.icu.util.GregorianCalendar;
+import android.icu.util.ULocale;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.text.ParseException;
+import java.util.Locale;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(JUnit4.class)
+public class DateIntervalFormatTest {
+    @Rule
+    public ULocaleDefaultRule uLocaleDefaultRule = new ULocaleDefaultRule();
+
+    @Test
+    @ULocaleDefault(languageTag = "en")
+    public void testGetInstance_String_DateIntervalInfo() {
+        DateIntervalInfo dateIntervalInfo = new DateIntervalInfo(new ULocale("ca"));
+        DateIntervalFormat dateIntervalFormat =
+                DateIntervalFormat.getInstance(DateFormat.YEAR_MONTH, dateIntervalInfo);
+        Calendar from = Calendar.getInstance();
+        from.set(2000, Calendar.JANUARY, 1, 12, 0);
+        Calendar to = Calendar.getInstance();
+        to.set(2001, Calendar.FEBRUARY, 1, 12, 0);
+        DateInterval interval = new DateInterval(from.getTimeInMillis(), to.getTimeInMillis());
+        dateIntervalFormat.setTimeZone(from.getTimeZone());
+
+        // Month names are default (English), format is Catalan
+        assertEquals("January de 2000 – February de 2001", dateIntervalFormat.format(interval));
+    }
+
+    @Test
+    @ULocaleDefault(languageTag = "en")
+    public void testGetInstance_String_Locale_DateIntervalInfo() {
+        DateIntervalInfo dateIntervalInfo = new DateIntervalInfo(new ULocale("ca"));
+        DateIntervalFormat dateIntervalFormat = DateIntervalFormat.getInstance(
+                DateFormat.YEAR_MONTH, Locale.GERMAN, dateIntervalInfo);
+        Calendar from = Calendar.getInstance();
+        from.set(2000, Calendar.JANUARY, 1, 12, 0);
+        Calendar to = Calendar.getInstance();
+        to.set(2001, Calendar.FEBRUARY, 1, 12, 0);
+        DateInterval interval = new DateInterval(from.getTimeInMillis(), to.getTimeInMillis());
+        dateIntervalFormat.setTimeZone(from.getTimeZone());
+
+        // Month names are German, format is Catalan
+        assertEquals("Januar de 2000 – Februar de 2001", dateIntervalFormat.format(interval));
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void testParseObject_notSupported() throws ParseException {
+        DateIntervalFormat.getInstance(DateFormat.YEAR_MONTH).parseObject("");
+    }
+}
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 3602b1f45..622a11cbd 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,
+        DateIntervalFormatTest.class,
         LocaleDisplayNamesTest.class,
         RelativeDateTimeFormatterTest.class,
         TimeZoneNamesTest.class,