OpenTracks/src/androidTest/java/de/dennisguse/opentracks/chart/ChartValueSeriesTest.java

/*
 * Copyright 2010 Google Inc.
 *
 * 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 de.dennisguse.opentracks.chart;

import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import de.dennisguse.opentracks.R;

/**
 * Tests {@link ChartValueSeries}.
 *
 * @author Sandor Dornbush
 */
@RunWith(AndroidJUnit4.class)
public class ChartValueSeriesTest {
    private ChartValueSeries series;

    @Before
    public void setUp() {
        series = new ChartValueSeries(
                ApplicationProvider.getApplicationContext(),
                Integer.MIN_VALUE,
                Integer.MAX_VALUE,
                new int[]{100, 1000},
                R.string.description_elevation_metric,
                R.string.description_elevation_imperial,
                R.color.chart_elevation_fill,
                R.color.chart_elevation_border);
    }

    @Test
    public void testInitialConditions() {
        Assert.assertEquals(1, series.getInterval());
        Assert.assertEquals(0, series.getMinMarkerValue());
        Assert.assertEquals(5, series.getMaxMarkerValue());
        Assert.assertTrue(series.isEnabled());
    }

    @Test
    public void testEnabled() {
        series.setEnabled(false);
        Assert.assertFalse(series.isEnabled());
    }

    @Test
    public void testSmallUpdates() {
        series.update(0);
        series.update(10);
        series.updateDimension();
        Assert.assertEquals(100, series.getInterval());
        Assert.assertEquals(0, series.getMinMarkerValue());
        Assert.assertEquals(500, series.getMaxMarkerValue());
    }

    @Test
    public void testBigUpdates() {
        series.update(0);
        series.update(901);
        series.updateDimension();
        Assert.assertEquals(1000, series.getInterval());
        Assert.assertEquals(0, series.getMinMarkerValue());
        Assert.assertEquals(5000, series.getMaxMarkerValue());
    }

    @Test
    public void testNotZeroBasedUpdates() {
        series.update(220);
        series.update(250);
        series.updateDimension();
        Assert.assertEquals(100, series.getInterval());
        Assert.assertEquals(200, series.getMinMarkerValue());
        Assert.assertEquals(700, series.getMaxMarkerValue());
    }
}