am 08d9d9a4: Merge "Runtime resource overlay, iteration 1."

# Dummy makefile to halt recursive directory traversal.

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE_TAGS := tests

LOCAL_PACKAGE_NAME := OverlayTest

LOCAL_SRC_FILES := $(call all-java-files-under, src)

include $(BUILD_PACKAGE)

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.android.overlaytest">

    <uses-permission android:name="android.permission.RUN_INSTRUMENTATION"/>

    <application>

        <uses-library android:name="android.test.runner"/>

    </application>

    <instrumentation android:name="android.test.InstrumentationTestRunner"

        android:targetPackage="com.android.overlaytest"

        android:label="Runtime resource overlay tests"/>

</manifest>

package com.android.overlaytest;

import android.content.res.Configuration;

import android.content.res.Resources;

import android.test.AndroidTestCase;

import java.io.InputStream;

import java.util.Locale;

public abstract class OverlayBaseTest extends AndroidTestCase {

    private Resources mResources;

    protected boolean mWithOverlay; // will be set by subclasses

    protected void setUp() {

        mResources = getContext().getResources();

    }

    private int calculateRawResourceChecksum(int resId) throws Throwable {

        InputStream input = null;

        try {

            input = mResources.openRawResource(resId);

            int ch, checksum = 0;

            while ((ch = input.read()) != -1) {

                checksum = (checksum + ch) % 0xffddbb00;

            }

            return checksum;

        } finally {

            input.close();

        }

    }

    private void setLocale(String code) {

        Locale locale = new Locale(code);

        Locale.setDefault(locale);

        Configuration config = new Configuration();

        config.locale = locale;

        mResources.updateConfiguration(config, mResources.getDisplayMetrics());

    }

    private void assertResource(int resId, boolean ewo, boolean ew) throws Throwable {

        boolean expected = mWithOverlay ? ew : ewo;

        boolean actual = mResources.getBoolean(resId);

        assertEquals(expected, actual);

    }

    private void assertResource(int resId, String ewo, String ew) throws Throwable {

        String expected = mWithOverlay ? ew : ewo;

        String actual = mResources.getString(resId);

        assertEquals(expected, actual);

    }

    private void assertResource(int resId, int[] ewo, int[] ew) throws Throwable {

        int[] expected = mWithOverlay ? ew : ewo;

        int[] actual = mResources.getIntArray(resId);

        assertEquals("length:", expected.length, actual.length);

        for (int i = 0; i < actual.length; ++i) {

            assertEquals("index " + i + ":", actual[i], expected[i]);

        }

    }

    public void testBooleanOverlay() throws Throwable {

        // config_automatic_brightness_available has overlay (default config)

        final int resId = com.android.internal.R.bool.config_automatic_brightness_available;

        assertResource(resId, false, true);

    }

    public void testBoolean() throws Throwable {

        // config_bypass_keyguard_if_slider_open has no overlay

        final int resId = com.android.internal.R.bool.config_bypass_keyguard_if_slider_open;

        assertResource(resId, true, true);

    }

    public void testStringOverlay() throws Throwable {

        // phoneTypeCar has an overlay (default config), which shouldn't shadow

        // the Swedish translation

        final int resId = com.android.internal.R.string.phoneTypeCar;

        setLocale("sv_SE");

        assertResource(resId, "Bil", "Bil");

    }

    public void testStringSwedishOverlay() throws Throwable {

        // phoneTypeWork has overlay (no default config, only for lang=sv)

        final int resId = com.android.internal.R.string.phoneTypeWork;

        setLocale("en_US");

        assertResource(resId, "Work", "Work");

        setLocale("sv_SE");

        assertResource(resId, "Arbete", "Jobb");

    }

    public void testString() throws Throwable {

        // phoneTypeHome has no overlay

        final int resId = com.android.internal.R.string.phoneTypeHome;

        setLocale("en_US");

        assertResource(resId, "Home", "Home");

        setLocale("sv_SE");

        assertResource(resId, "Hem", "Hem");

    }

    public void testIntegerArrayOverlay() throws Throwable {

        // config_scrollBarrierVibePattern has overlay (default config)

        final int resId = com.android.internal.R.array.config_scrollBarrierVibePattern;

        assertResource(resId, new int[]{0, 15, 10, 10}, new int[]{100, 200, 300});

    }

    public void testIntegerArray() throws Throwable {

        // config_virtualKeyVibePattern has no overlay

        final int resId = com.android.internal.R.array.config_virtualKeyVibePattern;

        final int[] expected = {0, 10, 20, 30};

        assertResource(resId, expected, expected);

    }

    public void testAsset() throws Throwable {

        // drawable/default_background.jpg has overlay (default config)

        final int resId = com.android.internal.R.drawable.default_wallpaper;

        int actual = calculateRawResourceChecksum(resId);

        int expected = mWithOverlay ? 0x000051da : 0x0014ebce;

        assertEquals(expected, actual);

    }

}

package com.android.overlaytest;

public class WithOverlayTest extends OverlayBaseTest {

    public WithOverlayTest() {

        mWithOverlay = true;

    }

}