tests/tests/content/src/android/content/cts/ContextTest.java - platform/cts - Git at Google

 /*
  * Copyright (C) 2008 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.content.cts;

 import android.content.cts.R;

 import org.xmlpull.v1.XmlPullParserException;

 import android.content.Context;
 import android.content.cts.util.XmlUtils;
 import android.content.res.ColorStateList;
 import android.content.res.Resources.NotFoundException;
 import android.content.res.Resources.Theme;
 import android.content.res.TypedArray;
 import android.content.res.XmlResourceParser;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.test.AndroidTestCase;
 import android.util.AttributeSet;
 import android.util.Xml;
 import android.view.WindowManager;

 import java.io.File;
 import java.io.IOException;

 public class ContextTest extends AndroidTestCase {
     private Context mContext;

     @Override
     protected void setUp() throws Exception {
         super.setUp();
         mContext = getContext();
         mContext.setTheme(R.style.Test_Theme);
     }

     public void testGetString() {
         String testString = mContext.getString(R.string.context_test_string1);
         assertEquals("This is %s string.", testString);

         testString = mContext.getString(R.string.context_test_string1, "expected");
         assertEquals("This is expected string.", testString);

         testString = mContext.getString(R.string.context_test_string2);
         assertEquals("This is test string.", testString);

         // Test wrong resource id
         try {
             testString = mContext.getString(0, "expected");
             fail("Wrong resource id should not be accepted.");
         } catch (NotFoundException e) {
         }

         // Test wrong resource id
         try {
             testString = mContext.getString(0);
             fail("Wrong resource id should not be accepted.");
         } catch (NotFoundException e) {
         }
     }

     public void testGetText() {
         CharSequence testCharSequence = mContext.getText(R.string.context_test_string2);
         assertEquals("This is test string.", testCharSequence.toString());

         // Test wrong resource id
         try {
             testCharSequence = mContext.getText(0);
             fail("Wrong resource id should not be accepted.");
         } catch (NotFoundException e) {
         }
     }

     /**
      * Ensure that default and device encrypted storage areas are stored
      * separately on disk. All devices must support these storage areas, even if
      * they don't have file-based encryption, so that apps can go through a
      * backup/restore cycle between FBE and non-FBE devices.
      */
     public void testCreateDeviceEncryptedStorageContext() throws Exception {
         final Context deviceContext = mContext.createDeviceEncryptedStorageContext();

         assertFalse(mContext.isDeviceEncryptedStorage());
         assertTrue(deviceContext.isDeviceEncryptedStorage());

         final File defaultFile = new File(mContext.getFilesDir(), "test");
         final File deviceFile = new File(deviceContext.getFilesDir(), "test");

         assertFalse(deviceFile.equals(defaultFile));

         deviceFile.createNewFile();

         // Make sure storage areas are mutually exclusive
         assertFalse(defaultFile.exists());
         assertTrue(deviceFile.exists());
     }

     public void testMigrateSharedPreferencesFrom() throws Exception {
         final Context deviceContext = mContext.createDeviceEncryptedStorageContext();

         mContext.getSharedPreferences("test", Context.MODE_PRIVATE).edit().putInt("answer", 42)
                 .commit();

         // Verify that we can migrate
         assertTrue(deviceContext.migrateSharedPreferencesFrom(mContext, "test"));
         assertEquals(0, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("answer", 0));
         assertEquals(42, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("answer", 0));

         // Trying to migrate again when already done is a no-op
         assertTrue(deviceContext.migrateSharedPreferencesFrom(mContext, "test"));
         assertEquals(0, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("answer", 0));
         assertEquals(42, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("answer", 0));

         // Add a new value and verify that we can migrate back
         deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE).edit()
                 .putInt("question", 24).commit();

         assertTrue(mContext.migrateSharedPreferencesFrom(deviceContext, "test"));
         assertEquals(42, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("answer", 0));
         assertEquals(24, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("question", 0));
         assertEquals(0, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("answer", 0));
         assertEquals(0, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
                 .getInt("question", 0));
     }

     public void testMigrateDatabaseFrom() throws Exception {
         final Context deviceContext = mContext.createDeviceEncryptedStorageContext();

         SQLiteDatabase db = mContext.openOrCreateDatabase("test.db",
                 Context.MODE_PRIVATE | Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, null);
         db.execSQL("CREATE TABLE list(item TEXT);");
         db.execSQL("INSERT INTO list VALUES ('cat')");
         db.execSQL("INSERT INTO list VALUES ('dog')");
         db.close();

         // Verify that we can migrate
         assertTrue(deviceContext.migrateDatabaseFrom(mContext, "test.db"));
         db = deviceContext.openOrCreateDatabase("test.db",
                 Context.MODE_PRIVATE | Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, null);
         Cursor c = db.query("list", null, null, null, null, null, null);
         assertEquals(2, c.getCount());
         assertTrue(c.moveToFirst());
         assertEquals("cat", c.getString(0));
         assertTrue(c.moveToNext());
         assertEquals("dog", c.getString(0));
         c.close();
         db.execSQL("INSERT INTO list VALUES ('mouse')");
         db.close();

         // Trying to migrate again when already done is a no-op
         assertTrue(deviceContext.migrateDatabaseFrom(mContext, "test.db"));

         // Verify that we can migrate back
         assertTrue(mContext.migrateDatabaseFrom(deviceContext, "test.db"));
         db = mContext.openOrCreateDatabase("test.db",
                 Context.MODE_PRIVATE | Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, null);
         c = db.query("list", null, null, null, null, null, null);
         assertEquals(3, c.getCount());
         assertTrue(c.moveToFirst());
         assertEquals("cat", c.getString(0));
         assertTrue(c.moveToNext());
         assertEquals("dog", c.getString(0));
         assertTrue(c.moveToNext());
         assertEquals("mouse", c.getString(0));
         c.close();
         db.close();
     }

     public void testAccessTheme() {
         mContext.setTheme(R.style.Test_Theme);
         final Theme testTheme = mContext.getTheme();
         assertNotNull(testTheme);

         int[] attrs = {
             android.R.attr.windowNoTitle,
             android.R.attr.panelColorForeground,
             android.R.attr.panelColorBackground
         };
         TypedArray attrArray = null;
         try {
             attrArray = testTheme.obtainStyledAttributes(attrs);
             assertTrue(attrArray.getBoolean(0, false));
             assertEquals(0xff000000, attrArray.getColor(1, 0));
             assertEquals(0xffffffff, attrArray.getColor(2, 0));
         } finally {
             if (attrArray != null) {
                 attrArray.recycle();
                 attrArray = null;
             }
         }

         // setTheme only works for the first time
         mContext.setTheme(android.R.style.Theme_Black);
         assertSame(testTheme, mContext.getTheme());
     }

     public void testObtainStyledAttributes() {
         // Test obtainStyledAttributes(int[])
         TypedArray testTypedArray = mContext
                 .obtainStyledAttributes(android.R.styleable.View);
         assertNotNull(testTypedArray);
         assertTrue(testTypedArray.length() > 2);
         assertTrue(testTypedArray.length() > 0);
         testTypedArray.recycle();

         // Test obtainStyledAttributes(int, int[])
         testTypedArray = mContext.obtainStyledAttributes(android.R.style.TextAppearance_Small,
                 android.R.styleable.TextAppearance);
         assertNotNull(testTypedArray);
         assertTrue(testTypedArray.length() > 2);
         testTypedArray.recycle();

         // Test wrong null array pointer
         try {
             testTypedArray = mContext.obtainStyledAttributes(-1, null);
             fail("obtainStyledAttributes will throw a NullPointerException here.");
         } catch (NullPointerException e) {
         }

         // Test obtainStyledAttributes(AttributeSet, int[]) with unavailable resource id.
         int testInt[] = { 0, 0 };
         testTypedArray = mContext.obtainStyledAttributes(-1, testInt);
         // fail("Wrong resource id should not be accepted.");
         assertNotNull(testTypedArray);
         assertEquals(2, testTypedArray.length());
         testTypedArray.recycle();

         // Test obtainStyledAttributes(AttributeSet, int[])
         int[] attrs = android.R.styleable.DatePicker;
         testTypedArray = mContext.obtainStyledAttributes(getAttributeSet(R.layout.context_layout),
                 attrs);
         assertNotNull(testTypedArray);
         assertEquals(attrs.length, testTypedArray.length());
         testTypedArray.recycle();

         // Test obtainStyledAttributes(AttributeSet, int[], int, int)
         testTypedArray = mContext.obtainStyledAttributes(getAttributeSet(R.layout.context_layout),
                 attrs, 0, 0);
         assertNotNull(testTypedArray);
         assertEquals(attrs.length, testTypedArray.length());
         testTypedArray.recycle();
     }

     public void testGetSystemService() {
         // Test invalid service name
         assertNull(mContext.getSystemService("invalid"));

         // Test valid service name
         assertNotNull(mContext.getSystemService(Context.WINDOW_SERVICE));
     }

     public void testGetSystemServiceByClass() {
         // Test invalid service class
         assertNull(mContext.getSystemService(Object.class));

         // Test valid service name
         assertNotNull(mContext.getSystemService(WindowManager.class));
         assertEquals(mContext.getSystemService(Context.WINDOW_SERVICE),
                 mContext.getSystemService(WindowManager.class));
     }

     public void testGetColorStateList() {
         try {
             mContext.getColorStateList(0);
             fail("Failed at testGetColorStateList");
         } catch (NotFoundException e) {
             //expected
         }

         final ColorStateList colorStateList = mContext.getColorStateList(R.color.color2);
         final int[] focusedState = {android.R.attr.state_focused};
         final int focusColor = colorStateList.getColorForState(focusedState, R.color.failColor);
         assertEquals(0xffff0000, focusColor);
     }

     public void testGetColor() {
         try {
             mContext.getColor(0);
             fail("Failed at testGetColor");
         } catch (NotFoundException e) {
             //expected
         }

         final int color = mContext.getColor(R.color.color2);
         assertEquals(0xffffff00, color);
     }

     private AttributeSet getAttributeSet(int resourceId) {
         final XmlResourceParser parser = getContext().getResources().getXml(
                 resourceId);

         try {
             XmlUtils.beginDocument(parser, "RelativeLayout");
         } catch (XmlPullParserException e) {
             e.printStackTrace();
         } catch (IOException e) {
             e.printStackTrace();
         }

         final AttributeSet attr = Xml.asAttributeSet(parser);
         assertNotNull(attr);
         return attr;
     }
 }
	/*
	* Copyright (C) 2008 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.content.cts;

	import android.content.cts.R;

	import org.xmlpull.v1.XmlPullParserException;

	import android.content.Context;
	import android.content.cts.util.XmlUtils;
	import android.content.res.ColorStateList;
	import android.content.res.Resources.NotFoundException;
	import android.content.res.Resources.Theme;
	import android.content.res.TypedArray;
	import android.content.res.XmlResourceParser;
	import android.database.Cursor;
	import android.database.sqlite.SQLiteDatabase;
	import android.test.AndroidTestCase;
	import android.util.AttributeSet;
	import android.util.Xml;
	import android.view.WindowManager;

	import java.io.File;
	import java.io.IOException;

	public class ContextTest extends AndroidTestCase {
	private Context mContext;

	@Override
	protected void setUp() throws Exception {
	super.setUp();
	mContext = getContext();
	mContext.setTheme(R.style.Test_Theme);
	}

	public void testGetString() {
	String testString = mContext.getString(R.string.context_test_string1);
	assertEquals("This is %s string.", testString);

	testString = mContext.getString(R.string.context_test_string1, "expected");
	assertEquals("This is expected string.", testString);

	testString = mContext.getString(R.string.context_test_string2);
	assertEquals("This is test string.", testString);

	// Test wrong resource id
	try {
	testString = mContext.getString(0, "expected");
	fail("Wrong resource id should not be accepted.");
	} catch (NotFoundException e) {
	}

	// Test wrong resource id
	try {
	testString = mContext.getString(0);
	fail("Wrong resource id should not be accepted.");
	} catch (NotFoundException e) {
	}
	}

	public void testGetText() {
	CharSequence testCharSequence = mContext.getText(R.string.context_test_string2);
	assertEquals("This is test string.", testCharSequence.toString());

	// Test wrong resource id
	try {
	testCharSequence = mContext.getText(0);
	fail("Wrong resource id should not be accepted.");
	} catch (NotFoundException e) {
	}
	}

	/**
	* Ensure that default and device encrypted storage areas are stored
	* separately on disk. All devices must support these storage areas, even if
	* they don't have file-based encryption, so that apps can go through a
	* backup/restore cycle between FBE and non-FBE devices.
	*/
	public void testCreateDeviceEncryptedStorageContext() throws Exception {
	final Context deviceContext = mContext.createDeviceEncryptedStorageContext();

	assertFalse(mContext.isDeviceEncryptedStorage());
	assertTrue(deviceContext.isDeviceEncryptedStorage());

	final File defaultFile = new File(mContext.getFilesDir(), "test");
	final File deviceFile = new File(deviceContext.getFilesDir(), "test");

	assertFalse(deviceFile.equals(defaultFile));

	deviceFile.createNewFile();

	// Make sure storage areas are mutually exclusive
	assertFalse(defaultFile.exists());
	assertTrue(deviceFile.exists());
	}

	public void testMigrateSharedPreferencesFrom() throws Exception {
	final Context deviceContext = mContext.createDeviceEncryptedStorageContext();

	mContext.getSharedPreferences("test", Context.MODE_PRIVATE).edit().putInt("answer", 42)
	.commit();

	// Verify that we can migrate
	assertTrue(deviceContext.migrateSharedPreferencesFrom(mContext, "test"));
	assertEquals(0, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("answer", 0));
	assertEquals(42, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("answer", 0));

	// Trying to migrate again when already done is a no-op
	assertTrue(deviceContext.migrateSharedPreferencesFrom(mContext, "test"));
	assertEquals(0, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("answer", 0));
	assertEquals(42, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("answer", 0));

	// Add a new value and verify that we can migrate back
	deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE).edit()
	.putInt("question", 24).commit();

	assertTrue(mContext.migrateSharedPreferencesFrom(deviceContext, "test"));
	assertEquals(42, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("answer", 0));
	assertEquals(24, mContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("question", 0));
	assertEquals(0, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("answer", 0));
	assertEquals(0, deviceContext.getSharedPreferences("test", Context.MODE_PRIVATE)
	.getInt("question", 0));
	}

	public void testMigrateDatabaseFrom() throws Exception {
	final Context deviceContext = mContext.createDeviceEncryptedStorageContext();

	SQLiteDatabase db = mContext.openOrCreateDatabase("test.db",
	Context.MODE_PRIVATE \| Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, null);
	db.execSQL("CREATE TABLE list(item TEXT);");
	db.execSQL("INSERT INTO list VALUES ('cat')");
	db.execSQL("INSERT INTO list VALUES ('dog')");
	db.close();

	// Verify that we can migrate
	assertTrue(deviceContext.migrateDatabaseFrom(mContext, "test.db"));
	db = deviceContext.openOrCreateDatabase("test.db",
	Context.MODE_PRIVATE \| Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, null);
	Cursor c = db.query("list", null, null, null, null, null, null);
	assertEquals(2, c.getCount());
	assertTrue(c.moveToFirst());
	assertEquals("cat", c.getString(0));
	assertTrue(c.moveToNext());
	assertEquals("dog", c.getString(0));
	c.close();
	db.execSQL("INSERT INTO list VALUES ('mouse')");
	db.close();

	// Trying to migrate again when already done is a no-op
	assertTrue(deviceContext.migrateDatabaseFrom(mContext, "test.db"));

	// Verify that we can migrate back
	assertTrue(mContext.migrateDatabaseFrom(deviceContext, "test.db"));
	db = mContext.openOrCreateDatabase("test.db",
	Context.MODE_PRIVATE \| Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, null);
	c = db.query("list", null, null, null, null, null, null);
	assertEquals(3, c.getCount());
	assertTrue(c.moveToFirst());
	assertEquals("cat", c.getString(0));
	assertTrue(c.moveToNext());
	assertEquals("dog", c.getString(0));
	assertTrue(c.moveToNext());
	assertEquals("mouse", c.getString(0));
	c.close();
	db.close();
	}

	public void testAccessTheme() {
	mContext.setTheme(R.style.Test_Theme);
	final Theme testTheme = mContext.getTheme();
	assertNotNull(testTheme);

	int[] attrs = {
	android.R.attr.windowNoTitle,
	android.R.attr.panelColorForeground,
	android.R.attr.panelColorBackground
	};
	TypedArray attrArray = null;
	try {
	attrArray = testTheme.obtainStyledAttributes(attrs);
	assertTrue(attrArray.getBoolean(0, false));
	assertEquals(0xff000000, attrArray.getColor(1, 0));
	assertEquals(0xffffffff, attrArray.getColor(2, 0));
	} finally {
	if (attrArray != null) {
	attrArray.recycle();
	attrArray = null;
	}
	}

	// setTheme only works for the first time
	mContext.setTheme(android.R.style.Theme_Black);
	assertSame(testTheme, mContext.getTheme());
	}

	public void testObtainStyledAttributes() {
	// Test obtainStyledAttributes(int[])
	TypedArray testTypedArray = mContext
	.obtainStyledAttributes(android.R.styleable.View);
	assertNotNull(testTypedArray);
	assertTrue(testTypedArray.length() > 2);
	assertTrue(testTypedArray.length() > 0);
	testTypedArray.recycle();

	// Test obtainStyledAttributes(int, int[])
	testTypedArray = mContext.obtainStyledAttributes(android.R.style.TextAppearance_Small,
	android.R.styleable.TextAppearance);
	assertNotNull(testTypedArray);
	assertTrue(testTypedArray.length() > 2);
	testTypedArray.recycle();

	// Test wrong null array pointer
	try {
	testTypedArray = mContext.obtainStyledAttributes(-1, null);
	fail("obtainStyledAttributes will throw a NullPointerException here.");
	} catch (NullPointerException e) {
	}

	// Test obtainStyledAttributes(AttributeSet, int[]) with unavailable resource id.
	int testInt[] = { 0, 0 };
	testTypedArray = mContext.obtainStyledAttributes(-1, testInt);
	// fail("Wrong resource id should not be accepted.");
	assertNotNull(testTypedArray);
	assertEquals(2, testTypedArray.length());
	testTypedArray.recycle();

	// Test obtainStyledAttributes(AttributeSet, int[])
	int[] attrs = android.R.styleable.DatePicker;
	testTypedArray = mContext.obtainStyledAttributes(getAttributeSet(R.layout.context_layout),
	attrs);
	assertNotNull(testTypedArray);
	assertEquals(attrs.length, testTypedArray.length());
	testTypedArray.recycle();

	// Test obtainStyledAttributes(AttributeSet, int[], int, int)
	testTypedArray = mContext.obtainStyledAttributes(getAttributeSet(R.layout.context_layout),
	attrs, 0, 0);
	assertNotNull(testTypedArray);
	assertEquals(attrs.length, testTypedArray.length());
	testTypedArray.recycle();
	}

	public void testGetSystemService() {
	// Test invalid service name
	assertNull(mContext.getSystemService("invalid"));

	// Test valid service name
	assertNotNull(mContext.getSystemService(Context.WINDOW_SERVICE));
	}

	public void testGetSystemServiceByClass() {
	// Test invalid service class
	assertNull(mContext.getSystemService(Object.class));

	// Test valid service name
	assertNotNull(mContext.getSystemService(WindowManager.class));
	assertEquals(mContext.getSystemService(Context.WINDOW_SERVICE),
	mContext.getSystemService(WindowManager.class));
	}

	public void testGetColorStateList() {
	try {
	mContext.getColorStateList(0);
	fail("Failed at testGetColorStateList");
	} catch (NotFoundException e) {
	//expected
	}

	final ColorStateList colorStateList = mContext.getColorStateList(R.color.color2);
	final int[] focusedState = {android.R.attr.state_focused};
	final int focusColor = colorStateList.getColorForState(focusedState, R.color.failColor);
	assertEquals(0xffff0000, focusColor);
	}

	public void testGetColor() {
	try {
	mContext.getColor(0);
	fail("Failed at testGetColor");
	} catch (NotFoundException e) {
	//expected
	}

	final int color = mContext.getColor(R.color.color2);
	assertEquals(0xffffff00, color);
	}

	private AttributeSet getAttributeSet(int resourceId) {
	final XmlResourceParser parser = getContext().getResources().getXml(
	resourceId);

	try {
	XmlUtils.beginDocument(parser, "RelativeLayout");
	} catch (XmlPullParserException e) {
	e.printStackTrace();
	} catch (IOException e) {
	e.printStackTrace();
	}

	final AttributeSet attr = Xml.asAttributeSet(parser);
	assertNotNull(attr);
	return attr;
	}
	}