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Improve ChartValueSeries

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This commit is contained in:
Jimmy Shih
2012-05-18 14:49:49 -07:00
parent a1b361b2ff
commit 57da176c98
3 changed files with 203 additions and 258 deletions
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MyTracksTest/src/com/google/android/apps/mytracks/ChartValueSeriesTest.java
+29 -64
View File
@@ -15,36 +15,33 @@
*/
package com.google.android.apps.mytracks;
import com.google.android.apps.mytracks.ChartValueSeries.ZoomSettings;
import com.google.android.apps.mytracks.ChartValueSeries.YAxisDimension;
import com.google.android.maps.mytracks.R;
import android.graphics.Paint.Style;
import android.test.AndroidTestCase;
/**
* Tests {@link ChartValueSeries}.
*
* @author Sandor Dornbush
*/
public class ChartValueSeriesTest extends AndroidTestCase {
private ChartValueSeries series;
@Override
protected void setUp() throws Exception {
series = new ChartValueSeries(getContext(),
R.color.elevation_fill,
R.color.elevation_border,
new ZoomSettings(5, new int[] {100}),
R.string.stats_elevation);
YAxisDimension yAxisDimension = new YAxisDimension(
5, Integer.MIN_VALUE, Integer.MAX_VALUE, new int[] { 100 });
series = new ChartValueSeries(getContext(), R.color.elevation_fill, R.color.elevation_border,
yAxisDimension, R.string.stats_elevation);
}
public void testInitialConditions() {
assertEquals(0, series.getInterval());
assertEquals(1, series.getInterval());
assertEquals(1, series.getMaxLabelLength());
assertEquals(0, series.getMin());
assertEquals(0, series.getMax());
assertEquals(0.0, series.getSpread());
assertEquals(Style.STROKE, series.getPaint().getStyle());
assertEquals(getContext().getString(R.string.stats_elevation),
series.getTitle());
assertEquals(1, series.getMax());
assertEquals(getContext().getString(R.string.stats_elevation), series.getTitle());
assertTrue(series.isEnabled());
}
@@ -52,7 +49,7 @@ public class ChartValueSeriesTest extends AndroidTestCase {
series.setEnabled(false);
assertFalse(series.isEnabled());
}
public void testSmallUpdates() {
series.update(0);
series.update(10);
@@ -61,7 +58,6 @@ public class ChartValueSeriesTest extends AndroidTestCase {
assertEquals(3, series.getMaxLabelLength());
assertEquals(0, series.getMin());
assertEquals(100, series.getMax());
assertEquals(100.0, series.getSpread());
}
public void testBigUpdates() {
@@ -72,7 +68,6 @@ public class ChartValueSeriesTest extends AndroidTestCase {
assertEquals(5, series.getMaxLabelLength());
assertEquals(0, series.getMin());
assertEquals(1000, series.getMax());
assertEquals(1000.0, series.getSpread());
}
public void testNotZeroBasedUpdates() {
@@ -83,56 +78,26 @@ public class ChartValueSeriesTest extends AndroidTestCase {
assertEquals(5, series.getMaxLabelLength());
assertEquals(500, series.getMin());
assertEquals(1500, series.getMax());
assertEquals(1000.0, series.getSpread());
}
public void testZoomSettings_invalidArgs() {
try {
new ZoomSettings(0, new int[] {10, 50, 100});
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
// OK.
}
try {
new ZoomSettings(1, null);
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
// OK.
}
try {
new ZoomSettings(1, new int[] {});
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
// OK.
}
try {
new ZoomSettings(1, new int[] {1, 3, 2});
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
// OK.
}
}
public void testZoomSettings_minAligned() {
ZoomSettings settings = new ZoomSettings(5, new int[] {10, 50, 100});
assertEquals(10, settings.calculateInterval(0, 15));
assertEquals(10, settings.calculateInterval(0, 50));
assertEquals(50, settings.calculateInterval(0, 111));
assertEquals(50, settings.calculateInterval(0, 250));
assertEquals(100, settings.calculateInterval(0, 251));
assertEquals(100, settings.calculateInterval(0, 10000));
public void testYAxisDimension_minAligned() {
YAxisDimension yAxisDimension = new YAxisDimension(
5, Integer.MIN_VALUE, Integer.MAX_VALUE, new int[] { 10, 50, 100 });
assertEquals(10, yAxisDimension.getYAxisDimension(0, 15)[0]);
assertEquals(10, yAxisDimension.getYAxisDimension(0, 50)[0]);
assertEquals(50, yAxisDimension.getYAxisDimension(0, 111)[0]);
assertEquals(50, yAxisDimension.getYAxisDimension(0, 250)[0]);
assertEquals(100, yAxisDimension.getYAxisDimension(0, 251)[0]);
assertEquals(100, yAxisDimension.getYAxisDimension(0, 10000)[0]);
}
public void testZoomSettings_minNotAligned() {
ZoomSettings settings = new ZoomSettings(5, new int[] {10, 50, 100});
assertEquals(50, settings.calculateInterval(5, 55));
assertEquals(10, settings.calculateInterval(10, 60));
assertEquals(50, settings.calculateInterval(7, 250));
assertEquals(100, settings.calculateInterval(7, 257));
assertEquals(100, settings.calculateInterval(11, 10000));
// A regression test.
settings = new ZoomSettings(5, new int[] {5, 10, 20});
assertEquals(10, settings.calculateInterval(-37.14, -11.89));
public void testYAxisDimension_minNotAligned() {
YAxisDimension settings = new YAxisDimension(
5, Integer.MIN_VALUE, Integer.MAX_VALUE, new int[] { 10, 50, 100 });
assertEquals(50, settings.getYAxisDimension(5, 55)[0]);
assertEquals(10, settings.getYAxisDimension(10, 60)[0]);
assertEquals(50, settings.getYAxisDimension(7, 250)[0]);
assertEquals(100, settings.getYAxisDimension(7, 257)[0]);
assertEquals(100, settings.getYAxisDimension(11, 10000)[0]);
}
}