1 files changed, 62 insertions, 0 deletions
diff --git a/test/071-dexfile-get-static-size/src/Main.java b/test/071-dexfile-get-static-size/src/Main.java
new file mode 100644
index 00000000000..4bf453801e0
--- /dev/null
+++ b/test/071-dexfile-get-static-size/src/Main.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.FileOutputStream;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+
+public class Main {
+    private static void extractResource(String resource, String filename) throws Exception {
+        ClassLoader loader = Main.class.getClassLoader();
+        InputStream is = loader.getResourceAsStream(resource);
+        OutputStream os = new FileOutputStream(filename);
+        int read;
+        byte[] buf = new byte[4096];
+        while ((read = is.read(buf)) >= 0) {
+          os.write(buf, 0, read);
+        }
+        is.close();
+        os.close();
+    }
+
+    private static long getDexFileSize(String filename) throws Exception {
+        ClassLoader loader = Main.class.getClassLoader();
+        Class<?> DexFile = loader.loadClass("dalvik.system.DexFile");
+        Method DexFile_loadDex = DexFile.getMethod("loadDex",
+                                                   String.class,
+                                                   String.class,
+                                                   Integer.TYPE);
+        Method DexFile_getStaticSizeOfDexFile = DexFile.getMethod("getStaticSizeOfDexFile");
+        Object dexFile = DexFile_loadDex.invoke(null, filename, null, 0);
+        return (Long) DexFile_getStaticSizeOfDexFile.invoke(dexFile);
+    }
+
+    private static void test(String resource) throws Exception {
+        String filename = System.getenv("DEX_LOCATION") + "/" + resource;
+        extractResource(resource, filename);
+        long size = getDexFileSize(filename);
+        System.out.println("Size for " + resource + ": " + size);
+    }
+
+    public static void main(String[] args) throws Exception {
+        test("test1.dex");
+        test("test2.dex");
+        test("test-jar.jar");
+        test("multi-jar.jar");
+    }
+}