Android example source code file (DayOfMonthCursorTest.java)

This example Android source code file (DayOfMonthCursorTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, dayofmonthcursor, dayofmonthcursortest, smalltest, test, testcase, util

The DayOfMonthCursorTest.java Android example source code

/*
 * Copyright (C) 2007 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.util;

import junit.framework.TestCase;

import java.util.Calendar;
import android.test.suitebuilder.annotation.SmallTest;

/**
 * Unit tests for {@link DayOfMonthCursor}.
 */
public class DayOfMonthCursorTest extends TestCase {

    @SmallTest
    public void testMonthRows() {
        DayOfMonthCursor mc = new DayOfMonthCursor(2007,
                Calendar.SEPTEMBER, 11, Calendar.SUNDAY);

        assertArraysEqual(new int[]{26, 27, 28, 29, 30, 31, 1},
                mc.getDigitsForRow(0));
        assertArraysEqual(new int[]{2, 3, 4, 5, 6, 7, 8},
                mc.getDigitsForRow(1));
        assertArraysEqual(new int[]{30, 1, 2, 3, 4, 5, 6},
                mc.getDigitsForRow(5));
    }

    @SmallTest
    public void testMoveLeft() {
        DayOfMonthCursor mc = new DayOfMonthCursor(2007,
                Calendar.SEPTEMBER, 3, Calendar.SUNDAY);

        assertEquals(Calendar.SEPTEMBER, mc.getMonth());
        assertEquals(3, mc.getSelectedDayOfMonth());
        assertEquals(1, mc.getSelectedRow());
        assertEquals(1, mc.getSelectedColumn());

        // move left, still same row
        assertFalse(mc.left());
        assertEquals(2, mc.getSelectedDayOfMonth());
        assertEquals(1, mc.getSelectedRow());
        assertEquals(0, mc.getSelectedColumn());

        // wrap over to previous column, same month
        assertFalse(mc.left());
        assertEquals(1, mc.getSelectedDayOfMonth());
        assertEquals(0, mc.getSelectedRow());
        assertEquals(6, mc.getSelectedColumn());

        // wrap to previous month
        assertTrue(mc.left());
        assertEquals(Calendar.AUGUST, mc.getMonth());
        assertEquals(31, mc.getSelectedDayOfMonth());
        assertEquals(4, mc.getSelectedRow());
        assertEquals(5, mc.getSelectedColumn());
    }

    @SmallTest
    public void testMoveRight() {
        DayOfMonthCursor mc = new DayOfMonthCursor(2007,
                Calendar.SEPTEMBER, 28, Calendar.SUNDAY);

        assertEquals(Calendar.SEPTEMBER, mc.getMonth());
        assertEquals(28, mc.getSelectedDayOfMonth());
        assertEquals(4, mc.getSelectedRow());
        assertEquals(5, mc.getSelectedColumn());

        // same row
        assertFalse(mc.right());
        assertEquals(29, mc.getSelectedDayOfMonth());
        assertEquals(4, mc.getSelectedRow());
        assertEquals(6, mc.getSelectedColumn());

        // wrap to next column, same month
        assertFalse(mc.right());
        assertEquals(30, mc.getSelectedDayOfMonth());
        assertEquals(5, mc.getSelectedRow());
        assertEquals(0, mc.getSelectedColumn());

        // next month
        assertTrue(mc.right());
        assertEquals(Calendar.OCTOBER, mc.getMonth());
        assertEquals(1, mc.getSelectedDayOfMonth());
        assertEquals(0, mc.getSelectedRow());
        assertEquals(1, mc.getSelectedColumn());
    }

    @SmallTest
    public void testMoveUp() {
        DayOfMonthCursor mc = new DayOfMonthCursor(2007,
                Calendar.SEPTEMBER, 13, Calendar.SUNDAY);

        assertEquals(Calendar.SEPTEMBER, mc.getMonth());
        assertEquals(13, mc.getSelectedDayOfMonth());
        assertEquals(2, mc.getSelectedRow());
        assertEquals(4, mc.getSelectedColumn());

        // up, same month
        assertFalse(mc.up());
        assertEquals(6, mc.getSelectedDayOfMonth());
        assertEquals(1, mc.getSelectedRow());
        assertEquals(4, mc.getSelectedColumn());

        // up, flips back
        assertTrue(mc.up());
        assertEquals(Calendar.AUGUST, mc.getMonth());
        assertEquals(30, mc.getSelectedDayOfMonth());
        assertEquals(4, mc.getSelectedRow());
        assertEquals(4, mc.getSelectedColumn());
    }

    @SmallTest
    public void testMoveDown() {
        DayOfMonthCursor mc = new DayOfMonthCursor(2007,
                Calendar.SEPTEMBER, 23, Calendar.SUNDAY);

        assertEquals(Calendar.SEPTEMBER, mc.getMonth());
        assertEquals(23, mc.getSelectedDayOfMonth());
        assertEquals(4, mc.getSelectedRow());
        assertEquals(0, mc.getSelectedColumn());

        // down, same month
        assertFalse(mc.down());
        assertEquals(30, mc.getSelectedDayOfMonth());
        assertEquals(5, mc.getSelectedRow());
        assertEquals(0, mc.getSelectedColumn());

        // down, next month
        assertTrue(mc.down());
        assertEquals(Calendar.OCTOBER, mc.getMonth());
        assertEquals(7, mc.getSelectedDayOfMonth());
        assertEquals(1, mc.getSelectedRow());
        assertEquals(0, mc.getSelectedColumn());
    }

    private void assertArraysEqual(int[] expected, int[] actual) {
        assertEquals("array length", expected.length, actual.length);
        for (int i = 0; i < expected.length; i++) {
            assertEquals("index " + i,
                    expected[i], actual[i]);
        }
    }
}