1 files changed, 85 insertions, 0 deletions
diff --git a/tests/079-phantom/src/Main.java b/tests/079-phantom/src/Main.java
new file mode 100644
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+++ b/tests/079-phantom/src/Main.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2009 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.
+ */
+
+public class Main {
+    Bitmap mBitmap1, mBitmap2, mBitmap3, mBitmap4;
+
+    public static void sleep(int ms) {
+        try {
+            Thread.sleep(ms);
+        } catch (InterruptedException ie) {
+            System.err.println("sleep interrupted");
+        }
+    }
+
+    public static void main(String args[]) {
+        System.out.println("start");
+
+        Main main = new Main();
+        main.run();
+
+        sleep(1000);
+        System.out.println("done");
+    }
+
+    public void run() {
+        createBitmaps();
+
+        System.gc();
+        sleep(250);
+
+        mBitmap2.drawAt(0, 0);
+
+        System.out.println("nulling 1");
+        mBitmap1 = null;
+        System.gc();
+        sleep(500);
+
+        System.out.println("nulling 2");
+        mBitmap2 = null;
+        System.gc();
+        sleep(500);
+
+        System.out.println("nulling 3");
+        mBitmap3 = null;
+        System.gc();
+        sleep(500);
+
+        System.out.println("nulling 4");
+        mBitmap4 = null;
+        System.gc();
+        sleep(500);
+
+        Bitmap.shutDown();
+    }
+
+    /*
+     * Create bitmaps.
+     *
+     * bitmap1 is 10x10 and unique
+     * bitmap2 and bitmap3 are 20x20 and share the same storage.
+     * bitmap4 is just another reference to bitmap3
+     *
+     * When we return there should be no local refs lurking on the stack.
+     */
+    public void createBitmaps() {
+        Bitmap.NativeWrapper dataA = Bitmap.allocNativeStorage(10, 10);
+        Bitmap.NativeWrapper dataB = Bitmap.allocNativeStorage(20, 20);
+        mBitmap1 = new Bitmap("one", 10, 10, dataA);
+        mBitmap2 = new Bitmap("two", 20, 20, dataB);
+        mBitmap3 = mBitmap4 = new Bitmap("three/four", 20, 20, dataB);
+    }
+}