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/*
* Copyright (C) 2015 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 com.android.launcher3;
import android.graphics.PointF;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.util.Log;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.InvariantDeviceProfile;
import com.android.launcher3.util.FocusLogic;
import java.util.ArrayList;
/**
* Tests the {@link DeviceProfile} and {@link InvariantDeviceProfile}.
*/
@SmallTest
public class InvariantDeviceProfileTest extends AndroidTestCase {
private static final String TAG = "DeviceProfileTest";
private static final boolean DEBUG = false;
private InvariantDeviceProfile mInvariantProfile;
private ArrayList<InvariantDeviceProfile> mPredefinedDeviceProfiles;
@Override
protected void setUp() throws Exception {
super.setUp();
mInvariantProfile = new InvariantDeviceProfile(getContext());
mPredefinedDeviceProfiles = mInvariantProfile.getPredefinedDeviceProfiles();
}
@Override
protected void tearDown() throws Exception {
// Nothing to tear down as this class only tests static methods.
}
public void testFindClosestDeviceProfile2() {
for (InvariantDeviceProfile idf: mPredefinedDeviceProfiles) {
ArrayList<InvariantDeviceProfile> closestProfiles =
mInvariantProfile.findClosestDeviceProfiles(
idf.minWidthDps, idf.minHeightDps, mPredefinedDeviceProfiles);
assertTrue(closestProfiles.get(0).equals(idf));
}
}
/**
* Used to print out how the invDistWeightedInterpolate works between device profiles to
* tweak the two constants that control how the interpolation curve is shaped.
*/
public void testInvInterpolation() {
InvariantDeviceProfile p1 = mPredefinedDeviceProfiles.get(7); // e.g., Large Phone
InvariantDeviceProfile p2 = mPredefinedDeviceProfiles.get(8); // e.g., Nexus 7
ArrayList<PointF> pts = createInterpolatedPoints(
new PointF(p1.minWidthDps, p1.minHeightDps),
new PointF(p2.minWidthDps, p2.minHeightDps),
20f);
for (int i = 0; i < pts.size(); i++) {
ArrayList<InvariantDeviceProfile> closestProfiles =
mInvariantProfile.findClosestDeviceProfiles(
pts.get(i).x, pts.get(i).y, mPredefinedDeviceProfiles);
InvariantDeviceProfile result =
mInvariantProfile.invDistWeightedInterpolate(
pts.get(i).x, pts.get(i).y, closestProfiles);
if (DEBUG) {
Log.d(TAG, String.format("width x height = (%f, %f)] iconSize = %f",
pts.get(i).x, pts.get(i).y, result.iconSize));
}
}
}
private ArrayList<PointF> createInterpolatedPoints(PointF a, PointF b, float numPts) {
ArrayList<PointF> result = new ArrayList<PointF>();
result.add(a);
for (float i = 1; i < numPts; i = i + 1.0f) {
result.add(new PointF((b.x * i + a.x * (numPts - i)) / numPts,
(b.y * i + a.y * (numPts - i)) / numPts));
}
result.add(b);
return result;
}
/**
* Ensures that system calls (e.g., WindowManager, DisplayMetrics) that require contexts are
* properly working to generate minimum width and height of the display.
*/
public void test_hammerhead() {
if (!android.os.Build.DEVICE.equals("hammerhead")) {
return;
}
assertEquals(mInvariantProfile.numRows, 4);
assertEquals(mInvariantProfile.numColumns, 4);
assertEquals((int) mInvariantProfile.numHotseatIcons, 5);
DeviceProfile landscapeProfile = mInvariantProfile.landscapeProfile;
DeviceProfile portraitProfile = mInvariantProfile.portraitProfile;
assertEquals(portraitProfile.allAppsNumCols, 3);
assertEquals(landscapeProfile.allAppsNumCols, 5); // not used
}
// Add more tests for other devices, however, running them once on a single device is enough
// for verifying that for a platform version, the WindowManager and DisplayMetrics is
// working as intended.
}
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