| /* |
| * 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 androidx.test.filters.SmallTest; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.Calendar; |
| |
| /** |
| * Unit tests for {@link MonthDisplayHelper}. |
| */ |
| public class MonthDisplayHelperTest extends TestCase { |
| |
| |
| @SmallTest |
| public void testFirstDayOfMonth() { |
| |
| assertEquals("august 2007", |
| Calendar.WEDNESDAY, |
| new MonthDisplayHelper(2007, Calendar.AUGUST).getFirstDayOfMonth()); |
| |
| assertEquals("september, 2007", |
| Calendar.SATURDAY, |
| new MonthDisplayHelper(2007, Calendar.SEPTEMBER).getFirstDayOfMonth()); |
| } |
| |
| @SmallTest |
| public void testNumberOfDaysInCurrentMonth() { |
| assertEquals(30, |
| new MonthDisplayHelper(2007, Calendar.SEPTEMBER).getNumberOfDaysInMonth()); |
| } |
| |
| @SmallTest |
| public void testMonthRows() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, Calendar.SEPTEMBER); |
| |
| assertArraysEqual(new int[]{26, 27, 28, 29, 30, 31, 1}, |
| helper.getDigitsForRow(0)); |
| assertArraysEqual(new int[]{2, 3, 4, 5, 6, 7, 8}, |
| helper.getDigitsForRow(1)); |
| assertArraysEqual(new int[]{30, 1, 2, 3, 4, 5, 6}, |
| helper.getDigitsForRow(5)); |
| |
| } |
| |
| @SmallTest |
| public void testMonthRowsWeekStartsMonday() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.SEPTEMBER, Calendar.MONDAY); |
| |
| assertArraysEqual(new int[]{27, 28, 29, 30, 31, 1, 2}, |
| helper.getDigitsForRow(0)); |
| assertArraysEqual(new int[]{3, 4, 5, 6, 7, 8, 9}, |
| helper.getDigitsForRow(1)); |
| assertArraysEqual(new int[]{24, 25, 26, 27, 28, 29, 30}, |
| helper.getDigitsForRow(4)); |
| assertArraysEqual(new int[]{1, 2, 3, 4, 5, 6, 7}, |
| helper.getDigitsForRow(5)); |
| } |
| |
| @SmallTest |
| public void testMonthRowsWeekStartsSaturday() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.SEPTEMBER, Calendar.SATURDAY); |
| |
| assertArraysEqual(new int[]{1, 2, 3, 4, 5, 6, 7}, |
| helper.getDigitsForRow(0)); |
| assertArraysEqual(new int[]{8, 9, 10, 11, 12, 13, 14}, |
| helper.getDigitsForRow(1)); |
| assertArraysEqual(new int[]{29, 30, 1, 2, 3, 4, 5}, |
| helper.getDigitsForRow(4)); |
| |
| |
| helper = new MonthDisplayHelper(2007, |
| Calendar.AUGUST, Calendar.SATURDAY); |
| |
| assertArraysEqual(new int[]{28, 29, 30, 31, 1, 2, 3}, |
| helper.getDigitsForRow(0)); |
| assertArraysEqual(new int[]{4, 5, 6, 7, 8, 9, 10}, |
| helper.getDigitsForRow(1)); |
| assertArraysEqual(new int[]{25, 26, 27, 28, 29, 30, 31}, |
| helper.getDigitsForRow(4)); |
| } |
| |
| @SmallTest |
| public void testGetDayAt() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.SEPTEMBER, Calendar.SUNDAY); |
| |
| assertEquals(26, helper.getDayAt(0, 0)); |
| assertEquals(1, helper.getDayAt(0, 6)); |
| assertEquals(17, helper.getDayAt(3, 1)); |
| assertEquals(2, helper.getDayAt(5, 2)); |
| } |
| |
| @SmallTest |
| public void testPrevMonth() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.SEPTEMBER, Calendar.SUNDAY); |
| |
| assertArraysEqual(new int[]{26, 27, 28, 29, 30, 31, 1}, |
| helper.getDigitsForRow(0)); |
| |
| helper.previousMonth(); |
| |
| assertEquals(Calendar.AUGUST, helper.getMonth()); |
| assertArraysEqual(new int[]{29, 30, 31, 1, 2, 3, 4}, |
| helper.getDigitsForRow(0)); |
| } |
| |
| @SmallTest |
| public void testPrevMonthRollOver() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.JANUARY); |
| |
| helper.previousMonth(); |
| |
| assertEquals(2006, helper.getYear()); |
| assertEquals(Calendar.DECEMBER, helper.getMonth()); |
| } |
| |
| @SmallTest |
| public void testNextMonth() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.AUGUST, Calendar.SUNDAY); |
| |
| assertArraysEqual(new int[]{29, 30, 31, 1, 2, 3, 4}, |
| helper.getDigitsForRow(0)); |
| |
| helper.nextMonth(); |
| |
| assertEquals(Calendar.SEPTEMBER, helper.getMonth()); |
| assertArraysEqual(new int[]{26, 27, 28, 29, 30, 31, 1}, |
| helper.getDigitsForRow(0)); |
| } |
| |
| @SmallTest |
| public void testGetRowOf() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.AUGUST, Calendar.SUNDAY); |
| |
| assertEquals(0, helper.getRowOf(2)); |
| assertEquals(0, helper.getRowOf(4)); |
| assertEquals(2, helper.getRowOf(12)); |
| assertEquals(2, helper.getRowOf(18)); |
| assertEquals(3, helper.getRowOf(19)); |
| } |
| |
| @SmallTest |
| public void testGetColumnOf() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.AUGUST, Calendar.SUNDAY); |
| |
| assertEquals(3, helper.getColumnOf(1)); |
| assertEquals(4, helper.getColumnOf(9)); |
| assertEquals(5, helper.getColumnOf(17)); |
| assertEquals(6, helper.getColumnOf(25)); |
| assertEquals(0, helper.getColumnOf(26)); |
| } |
| |
| @SmallTest |
| public void testWithinCurrentMonth() { |
| MonthDisplayHelper helper = new MonthDisplayHelper(2007, |
| Calendar.SEPTEMBER, Calendar.SUNDAY); |
| |
| // out of bounds |
| assertFalse(helper.isWithinCurrentMonth(-1, 3)); |
| assertFalse(helper.isWithinCurrentMonth(6, 3)); |
| assertFalse(helper.isWithinCurrentMonth(2, -1)); |
| assertFalse(helper.isWithinCurrentMonth(2, 7)); |
| |
| // last day of previous month |
| assertFalse(helper.isWithinCurrentMonth(0, 5)); |
| |
| // first day of next month |
| assertFalse(helper.isWithinCurrentMonth(5, 1)); |
| |
| // first day in month |
| assertTrue(helper.isWithinCurrentMonth(0, 6)); |
| |
| // last day in month |
| assertTrue(helper.isWithinCurrentMonth(5, 0)); |
| } |
| |
| 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]); |
| } |
| } |
| |
| } |