tests/tests/webkit/src/android/webkit/cts/DateSorterTest.java

/*
 * Copyright (C) 2009 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.webkit.cts;


import android.content.Context;
import android.test.AndroidTestCase;
import android.webkit.DateSorter;

import java.util.HashSet;

public class DateSorterTest extends AndroidTestCase {
    private Context mContext;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        mContext = getContext();
    }

    public void testConstructor() {
        new DateSorter(mContext);
    }

    public void testConstants() {
        // according to DateSorter javadoc
        assertTrue(DateSorter.DAY_COUNT >= 3);
    }

    public void testGetLabel() {
        DateSorter dateSorter = new DateSorter(mContext);
        HashSet<String> set = new HashSet<String>();
        for (int i = 0; i < DateSorter.DAY_COUNT; i++) {
            String label = dateSorter.getLabel(i);
            assertNotNull(label);
            assertTrue(label.length() > 0);
            // label must be unique
            assertFalse(set.contains(label));
            set.add(label);
            // cannot assert actual label contents, since resources are not public
        }
    }

    public void testGetIndex() {
        DateSorter dateSorter = new DateSorter(mContext);

        for (int i = 0; i < DateSorter.DAY_COUNT; i++) {
            long boundary = dateSorter.getBoundary(i);
            int nextIndex = i + 1;

            assertEquals(i, dateSorter.getIndex(boundary + 1));
            if (i == DateSorter.DAY_COUNT - 1) break;
            assertEquals(nextIndex, dateSorter.getIndex(boundary));
            assertEquals(nextIndex, dateSorter.getIndex(boundary-1));
        }
    }

    public void testGetBoundary() {
        DateSorter dateSorter = new DateSorter(mContext);

        for (int i = 0; i < DateSorter.DAY_COUNT - 1; i++) {
            assertTrue(dateSorter.getBoundary(i) > dateSorter.getBoundary(i+1));
        }
    }
}