Add MipmapDrawableTest

Move these tests from CTS, because Mipmap is now hidden.
Also remove all the XML inflation code, because that is currently
disabled.

Original change: f445b8a7
Deletion from CTS: Ibfd1b8a5

Change-Id: I816581062778a9cbe868e32c3c6975cc9a74af5b

1 files changed, 280 insertions, 0 deletions

diff --git a/graphics/tests/graphicstests/src/android/graphics/drawable/MipmapDrawableTest.java b/graphics/tests/graphicstests/src/android/graphics/drawable/MipmapDrawableTest.java
new file mode 100644
index 0000000..5fcc3bc
--- /dev/null
+++ b/graphics/tests/graphicstests/src/android/graphics/drawable/MipmapDrawableTest.java
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 2010 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;
+
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.MipmapDrawable;
+import android.graphics.drawable.DrawableContainer.DrawableContainerState;
+import android.test.InstrumentationTestCase;
+
+public class MipmapDrawableTest extends InstrumentationTestCase {
+    private MockMipmapDrawable mMipmapDrawable;
+
+    private DrawableContainerState mDrawableContainerState;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mMipmapDrawable = new MockMipmapDrawable();
+        mDrawableContainerState = (DrawableContainerState) mMipmapDrawable.getConstantState();
+    }
+
+    public void testMipmapDrawable() {
+        new MipmapDrawable();
+        // Check the values set in the constructor
+        assertNotNull(new MipmapDrawable().getConstantState());
+        assertTrue(new MockMipmapDrawable().hasCalledOnBoundsChanged());
+    }
+
+    public void testAddDrawable() {
+        assertEquals(0, mDrawableContainerState.getChildCount());
+
+        // nothing happens if drawable is null
+        mMipmapDrawable.reset();
+        mMipmapDrawable.addDrawable(null);
+        assertEquals(0, mDrawableContainerState.getChildCount());
+        assertFalse(mMipmapDrawable.hasCalledOnBoundsChanged());
+
+        mMipmapDrawable.reset();
+        mMipmapDrawable.addDrawable(new MockDrawable());
+        assertEquals(1, mDrawableContainerState.getChildCount());
+        assertTrue(mMipmapDrawable.hasCalledOnBoundsChanged());
+
+        mMipmapDrawable.reset();
+        mMipmapDrawable.addDrawable(new MockDrawable());
+        assertEquals(2, mDrawableContainerState.getChildCount());
+        assertTrue(mMipmapDrawable.hasCalledOnBoundsChanged());
+    }
+
+    public void testSortedByHeight() {
+        Drawable small = new MockDrawable(8);
+        Drawable medium = new MockDrawable(32);
+        Drawable large = new MockDrawable(128);
+
+        mMipmapDrawable.addDrawable(medium);
+        assertSame(medium, mDrawableContainerState.getChildren()[0]);
+
+        mMipmapDrawable.addDrawable(small);
+        assertSame(small, mDrawableContainerState.getChildren()[0]);
+        assertSame(medium, mDrawableContainerState.getChildren()[1]);
+
+        mMipmapDrawable.addDrawable(large);
+        assertSame(small, mDrawableContainerState.getChildren()[0]);
+        assertSame(medium, mDrawableContainerState.getChildren()[1]);
+        assertSame(large, mDrawableContainerState.getChildren()[2]);
+
+        mMipmapDrawable.addDrawable(small);
+        assertSame(small, mDrawableContainerState.getChildren()[0]);
+        assertSame(small, mDrawableContainerState.getChildren()[1]);
+        assertSame(medium, mDrawableContainerState.getChildren()[2]);
+        assertSame(large, mDrawableContainerState.getChildren()[3]);
+
+        mMipmapDrawable.addDrawable(medium);
+        assertSame(small, mDrawableContainerState.getChildren()[0]);
+        assertSame(small, mDrawableContainerState.getChildren()[1]);
+        assertSame(medium, mDrawableContainerState.getChildren()[2]);
+        assertSame(medium, mDrawableContainerState.getChildren()[3]);
+        assertSame(large, mDrawableContainerState.getChildren()[4]);
+
+        mMipmapDrawable.addDrawable(large);
+        assertSame(small, mDrawableContainerState.getChildren()[0]);
+        assertSame(small, mDrawableContainerState.getChildren()[1]);
+        assertSame(medium, mDrawableContainerState.getChildren()[2]);
+        assertSame(medium, mDrawableContainerState.getChildren()[3]);
+        assertSame(large, mDrawableContainerState.getChildren()[4]);
+        assertSame(large, mDrawableContainerState.getChildren()[5]);
+    }
+
+    public void testSetBoundsOneItem() {
+        // the method is not called if same bounds are set
+        mMipmapDrawable.reset();
+        mMipmapDrawable.setBounds(mMipmapDrawable.getBounds());
+        assertFalse(mMipmapDrawable.hasCalledOnBoundsChanged());
+
+        // the method is called if different bounds are set, even without drawables
+        mMipmapDrawable.reset();
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, mMipmapDrawable.getBounds().height() + 1));
+        assertTrue(mMipmapDrawable.hasCalledOnBoundsChanged());
+
+        // adding an item should check bounds to see if new drawable is more appropriate
+        mMipmapDrawable.reset();
+        Drawable item = new MockDrawable(42);
+        mMipmapDrawable.addDrawable(item);
+        assertTrue(mMipmapDrawable.hasCalledOnBoundsChanged());
+
+        // the method is called if different bounds are set
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, mMipmapDrawable.getBounds().height() + 1));
+        assertTrue(mMipmapDrawable.hasCalledOnBoundsChanged());
+
+        // check that correct drawable is selected for any size.
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, item.getIntrinsicHeight() - 1));
+        assertSame(item, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, item.getIntrinsicHeight()));
+        assertSame(item, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, item.getIntrinsicHeight() + 1));
+        assertSame(item, mMipmapDrawable.getCurrent());
+    }
+
+    public void testSetBounds() {
+        Drawable small = new MockDrawable(8);
+        Drawable medium = new MockDrawable(32);
+        Drawable large = new MockDrawable(128);
+
+        mMipmapDrawable.addDrawable(large);
+        mMipmapDrawable.addDrawable(small);
+        mMipmapDrawable.addDrawable(medium);
+
+        // check that correct drawable is selected.
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, small.getIntrinsicHeight() - 1));
+        assertSame(small, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, small.getIntrinsicHeight()));
+        assertSame(small, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, small.getIntrinsicHeight() + 1));
+        assertSame(medium, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, medium.getIntrinsicHeight() - 1));
+        assertSame(medium, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, medium.getIntrinsicHeight()));
+        assertSame(medium, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, medium.getIntrinsicHeight() + 1));
+        assertSame(large, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, large.getIntrinsicHeight() - 1));
+        assertSame(large, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, large.getIntrinsicHeight()));
+        assertSame(large, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, large.getIntrinsicHeight() + 1));
+        assertSame(large, mMipmapDrawable.getCurrent());
+    }
+
+    public void testSizes() {
+        // Check default value with no mipmap defined
+        assertEquals(-1, mMipmapDrawable.getIntrinsicHeight());
+        assertEquals(-1, mMipmapDrawable.getIntrinsicWidth());
+        assertEquals(0, mMipmapDrawable.getMinimumHeight());
+        assertEquals(0, mMipmapDrawable.getMinimumWidth());
+
+        Drawable small = new MockDrawable(8, 4);
+        Drawable medium = new MockDrawable(32, 16);
+        Drawable large = new MockDrawable(128, 64);
+
+        mMipmapDrawable.addDrawable(medium);
+        assertEquals(medium.getIntrinsicHeight(), mMipmapDrawable.getIntrinsicHeight());
+        assertEquals(medium.getMinimumHeight(), mMipmapDrawable.getMinimumHeight());
+
+        mMipmapDrawable.addDrawable(large);
+        assertEquals(large.getIntrinsicHeight(), mMipmapDrawable.getIntrinsicHeight());
+        assertEquals(medium.getMinimumHeight(), mMipmapDrawable.getMinimumHeight());
+
+        mMipmapDrawable.addDrawable(small);
+        assertEquals(large.getIntrinsicHeight(), mMipmapDrawable.getIntrinsicHeight());
+        assertEquals(small.getMinimumHeight(), mMipmapDrawable.getMinimumHeight());
+    }
+
+    public void testReplacementWhenAdded() {
+        Drawable small = new MockDrawable(8);
+        Drawable medium = new MockDrawable(32);
+        Drawable large = new MockDrawable(128);
+
+        // Small bounds, so that the smallest mipmap should always be selected
+        mMipmapDrawable.setBounds(new Rect(0, 0, 0, 0));
+
+        // Providing smaller versions, that should immediately be used as current
+        mMipmapDrawable.addDrawable(large);
+        assertSame(large, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.addDrawable(medium);
+        assertSame(medium, mMipmapDrawable.getCurrent());
+
+        mMipmapDrawable.addDrawable(small);
+        assertSame(small, mMipmapDrawable.getCurrent());
+    }
+
+    private class MockMipmapDrawable extends MipmapDrawable {
+        private boolean mHasCalledOnBoundsChanged;
+
+        public boolean hasCalledOnBoundsChanged() {
+            return mHasCalledOnBoundsChanged;
+        }
+
+        public void reset() {
+            mHasCalledOnBoundsChanged = false;
+        }
+
+        @Override
+        protected void onBoundsChange(Rect bounds) {
+            super.onBoundsChange(bounds);
+            mHasCalledOnBoundsChanged = true;
+        }
+    }
+
+    private class MockDrawable extends Drawable {
+        int mIntrinsicHeight;
+        int mMinimumHeight;
+
+        public MockDrawable() {
+            this(0);
+        }
+
+        public MockDrawable(int intrinsicHeight) {
+            this(intrinsicHeight, intrinsicHeight);
+        }
+
+        public MockDrawable(int intrinsicHeight, int minimumHeight) {
+            mIntrinsicHeight = intrinsicHeight;
+            mMinimumHeight = minimumHeight;
+        }
+
+        @Override
+        public void draw(Canvas canvas) {
+        }
+
+        @Override
+        public int getOpacity() {
+            return 0;
+        }
+
+        @Override
+        public void setAlpha(int alpha) {
+        }
+
+        @Override
+        public void setColorFilter(ColorFilter cf) {
+        }
+
+        @Override
+        public int getIntrinsicHeight() {
+            return mIntrinsicHeight;
+        }
+
+        @Override
+        public int getMinimumHeight() {
+            return mMinimumHeight;
+        }
+    }
+}