Adding day group headings in the call log which group call log entries

under 4 headings, "Today", "Yesterday", "Last week", "Other".

Bug: 13962594
Change-Id: Iba10211c1f6e162309063f9944b437c543013b7f

1 files changed, 76 insertions, 0 deletions

diff --git a/tests/src/com/android/contacts/common/util/DateUtilTests.java b/tests/src/com/android/contacts/common/util/DateUtilTests.java
new file mode 100644
index 00000000..c225780e
--- /dev/null
+++ b/tests/src/com/android/contacts/common/util/DateUtilTests.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2014 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 com.android.contacts.common.util;
+
+import junit.framework.TestCase;
+
+import android.test.suitebuilder.annotation.SmallTest;
+import android.text.format.Time;
+
+/**
+ * Unit tests for {@link com.android.contacts.common.util.DateUtils}.
+ */
+@SmallTest
+public class DateUtilTests extends TestCase {
+
+    /**
+     * Test ability to get the word "Yesterday".
+     */
+    public void testGetYesterday() {
+        assertEquals("Yesterday", DateUtils.getYesterdayString());
+    }
+
+    /**
+     * Test ability to get the word "Today".
+     */
+    public void testGetToday() {
+        assertEquals("Yesterday", DateUtils.getYesterdayString());
+    }
+
+    /**
+     * Test date differences which are in the same day.
+     */
+    public void testDayDiffNone() {
+        Time time = new Time();
+        long date1 = System.currentTimeMillis();
+        long date2 = System.currentTimeMillis() + android.text.format.DateUtils.HOUR_IN_MILLIS;
+        assertEquals(0, DateUtils.getDayDifference(time, date1, date2));
+        assertEquals(0, DateUtils.getDayDifference(time, date2, date1));
+    }
+
+    /**
+     * Test date differences which are a day apart.
+     */
+    public void testDayDiffOne() {
+        Time time = new Time();
+        long date1 = System.currentTimeMillis();
+        long date2 = date1 + android.text.format.DateUtils.DAY_IN_MILLIS;
+        assertEquals(1, DateUtils.getDayDifference(time, date1, date2));
+        assertEquals(1, DateUtils.getDayDifference(time, date2, date1));
+    }
+
+    /**
+     * Test date differences which are two days apart.
+     */
+    public void testDayDiffTwo() {
+        Time time = new Time();
+        long date1 = System.currentTimeMillis();
+        long date2 = date1 + 2*android.text.format.DateUtils.DAY_IN_MILLIS;
+        assertEquals(2, DateUtils.getDayDifference(time, date1, date2));
+        assertEquals(2, DateUtils.getDayDifference(time, date2, date1));
+    }
+}