| /* |
| * 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.graphics.drawable.cts; |
| |
| import com.android.cts.stub.R; |
| |
| import dalvik.annotation.TestTargets; |
| import dalvik.annotation.TestTargetNew; |
| import dalvik.annotation.TestLevel; |
| import dalvik.annotation.TestTargetClass; |
| import dalvik.annotation.ToBeFixed; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.content.res.Resources; |
| import android.content.res.XmlResourceParser; |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.LevelListDrawable; |
| import android.graphics.drawable.DrawableContainer.DrawableContainerState; |
| import android.test.InstrumentationTestCase; |
| import android.util.AttributeSet; |
| import android.util.Xml; |
| |
| import java.io.IOException; |
| |
| @TestTargetClass(LevelListDrawable.class) |
| public class LevelListDrawableTest extends InstrumentationTestCase { |
| private MockLevelListDrawable mLevelListDrawable; |
| |
| private Resources mResources; |
| |
| private DrawableContainerState mDrawableContainerState; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mLevelListDrawable = new MockLevelListDrawable(); |
| mDrawableContainerState = (DrawableContainerState) mLevelListDrawable.getConstantState(); |
| mResources = getInstrumentation().getTargetContext().getResources(); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.TODO, |
| notes = "Test constructor.", |
| method = "LevelListDrawable", |
| args = {} |
| ) |
| public void testLevelListDrawable() { |
| new LevelListDrawable(); |
| // Check the values set in the constructor |
| assertNotNull(new LevelListDrawable().getConstantState()); |
| assertTrue(new MockLevelListDrawable().hasCalledOnLevelChanged()); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.TODO, |
| notes = "Test {@link LevelListDrawable#addLevel(int, int, Drawable)}.", |
| method = "addLevel", |
| args = {int.class, int.class, android.graphics.drawable.Drawable.class} |
| ) |
| public void testAddLevel() { |
| assertEquals(0, mDrawableContainerState.getChildCount()); |
| |
| // nothing happens if drawable is null |
| mLevelListDrawable.reset(); |
| mLevelListDrawable.addLevel(0, 0, null); |
| assertEquals(0, mDrawableContainerState.getChildCount()); |
| assertFalse(mLevelListDrawable.hasCalledOnLevelChanged()); |
| |
| // call onLevelChanged to assure that the correct drawable is selected. |
| mLevelListDrawable.reset(); |
| mLevelListDrawable.addLevel(Integer.MAX_VALUE, Integer.MIN_VALUE, new MockDrawable()); |
| assertEquals(1, mDrawableContainerState.getChildCount()); |
| assertTrue(mLevelListDrawable.hasCalledOnLevelChanged()); |
| |
| mLevelListDrawable.reset(); |
| mLevelListDrawable.addLevel(Integer.MIN_VALUE, Integer.MAX_VALUE, new MockDrawable()); |
| assertEquals(2, mDrawableContainerState.getChildCount()); |
| assertTrue(mLevelListDrawable.hasCalledOnLevelChanged()); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.TODO, |
| notes = "Test {@link LevelListDrawable#onLevelChange(int)}.", |
| method = "onLevelChange", |
| args = {int.class} |
| ) |
| public void testOnLevelChange() { |
| mLevelListDrawable.addLevel(0, 0, new MockDrawable()); |
| mLevelListDrawable.addLevel(0, 0, new MockDrawable()); |
| mLevelListDrawable.addLevel(0, 10, new MockDrawable()); |
| |
| // the method is not called if same level is set |
| mLevelListDrawable.reset(); |
| mLevelListDrawable.setLevel(mLevelListDrawable.getLevel()); |
| assertFalse(mLevelListDrawable.hasCalledOnLevelChanged()); |
| |
| // the method is called if different level is set |
| mLevelListDrawable.reset(); |
| mLevelListDrawable.setLevel(mLevelListDrawable.getLevel() - 1); |
| assertTrue(mLevelListDrawable.hasCalledOnLevelChanged()); |
| |
| // check that correct drawable is selected. |
| assertTrue(mLevelListDrawable.onLevelChange(10)); |
| assertSame(mLevelListDrawable.getCurrent(), mDrawableContainerState.getChildren()[2]); |
| |
| assertFalse(mLevelListDrawable.onLevelChange(5)); |
| assertSame(mLevelListDrawable.getCurrent(), mDrawableContainerState.getChildren()[2]); |
| |
| assertTrue(mLevelListDrawable.onLevelChange(0)); |
| assertSame(mLevelListDrawable.getCurrent(), mDrawableContainerState.getChildren()[0]); |
| |
| assertTrue(mLevelListDrawable.onLevelChange(100)); |
| assertNull(mLevelListDrawable.getCurrent()); |
| |
| assertFalse(mLevelListDrawable.onLevelChange(101)); |
| assertNull(mLevelListDrawable.getCurrent()); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.TODO, |
| notes = "Test {@link LevelListDrawable#inflate(Resources, XmlPullParser, AttributeSet)}.", |
| method = "inflate", |
| args = {android.content.res.Resources.class, org.xmlpull.v1.XmlPullParser.class, android.util.AttributeSet.class} |
| ) |
| public void testInflate() throws XmlPullParserException, IOException { |
| XmlResourceParser parser = getResourceParser(R.xml.level_list_correct); |
| |
| mLevelListDrawable.reset(); |
| mLevelListDrawable.inflate(mResources, parser, Xml.asAttributeSet(parser)); |
| assertTrue(mLevelListDrawable.hasCalledOnLevelChanged()); |
| assertEquals(2, mDrawableContainerState.getChildCount()); |
| // check the android:minLevel and android:maxLevel by calling setLevel |
| mLevelListDrawable.setLevel(200); |
| assertSame(mLevelListDrawable.getCurrent(), mDrawableContainerState.getChildren()[0]); |
| mLevelListDrawable.setLevel(201); |
| assertSame(mLevelListDrawable.getCurrent(), mDrawableContainerState.getChildren()[1]); |
| |
| mLevelListDrawable.setLevel(0); |
| assertNull(mLevelListDrawable.getCurrent()); |
| mLevelListDrawable.reset(); |
| parser = getResourceParser(R.xml.level_list_missing_item_minlevel_maxlevel); |
| mLevelListDrawable.inflate(mResources, parser, Xml.asAttributeSet(parser)); |
| assertTrue(mLevelListDrawable.hasCalledOnLevelChanged()); |
| assertEquals(3, mDrawableContainerState.getChildCount()); |
| // default value of android:minLevel and android:maxLevel are both 0 |
| assertSame(mLevelListDrawable.getCurrent(), mDrawableContainerState.getChildren()[2]); |
| mLevelListDrawable.setLevel(1); |
| assertNull(mLevelListDrawable.getCurrent()); |
| |
| parser = getResourceParser(R.xml.level_list_missing_item_drawable); |
| try { |
| mLevelListDrawable.inflate(mResources, parser, Xml.asAttributeSet(parser)); |
| fail("Should throw XmlPullParserException if drawable of item is missing"); |
| } catch (XmlPullParserException e) { |
| } |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.TODO, |
| notes = "Test {@link LevelListDrawable#inflate(Resources, XmlPullParser, AttributeSet)} with null parameters.", |
| method = "inflate", |
| args = {android.content.res.Resources.class, org.xmlpull.v1.XmlPullParser.class, android.util.AttributeSet.class} |
| ) |
| @ToBeFixed(bug = "1417734", explanation = "should add @throws clause into javadoc of " |
| + "LevelListDrawable#inflate(Resources, XmlPullParser, AttributeSet) when param r," |
| + "parser or attrs is out of bounds") |
| public void testInflateWithNullParameters() throws XmlPullParserException, IOException{ |
| XmlResourceParser parser = getResourceParser(R.xml.level_list_correct); |
| try { |
| mLevelListDrawable.inflate(null, parser, Xml.asAttributeSet(parser)); |
| fail("Should throw XmlPullParserException if resource is null"); |
| } catch (NullPointerException e) { |
| } |
| |
| try { |
| mLevelListDrawable.inflate(mResources, null, Xml.asAttributeSet(parser)); |
| fail("Should throw XmlPullParserException if parser is null"); |
| } catch (NullPointerException e) { |
| } |
| |
| try { |
| mLevelListDrawable.inflate(mResources, parser, null); |
| fail("Should throw XmlPullParserException if AttributeSet is null"); |
| } catch (NullPointerException e) { |
| } |
| } |
| |
| private XmlResourceParser getResourceParser(int resId) throws XmlPullParserException, |
| IOException { |
| XmlResourceParser parser = getInstrumentation().getTargetContext().getResources().getXml( |
| resId); |
| int type; |
| while ((type = parser.next()) != XmlPullParser.START_TAG |
| && type != XmlPullParser.END_DOCUMENT) { |
| // Empty loop |
| } |
| return parser; |
| } |
| |
| private class MockLevelListDrawable extends LevelListDrawable { |
| private boolean mHasCalledOnLevelChanged; |
| |
| public boolean hasCalledOnLevelChanged() { |
| return mHasCalledOnLevelChanged; |
| } |
| |
| public void reset() { |
| mHasCalledOnLevelChanged = false; |
| } |
| |
| @Override |
| protected boolean onLevelChange(int level) { |
| boolean result = super.onLevelChange(level); |
| mHasCalledOnLevelChanged = true; |
| return result; |
| } |
| } |
| |
| private class MockDrawable extends Drawable { |
| @Override |
| public void draw(Canvas canvas) { |
| } |
| |
| @Override |
| public int getOpacity() { |
| return 0; |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| } |
| |
| @Override |
| public void setColorFilter(ColorFilter cf) { |
| } |
| } |
| } |