ART: Change access flag behavior in verifier

Note: this moves the miranda modifier to the upper 16 bit.

Bug: 16161620

(cherry picked from commit 7fc8f90b7160e879143be5cfd6ea3df866398884)

Change-Id: I2f591d53b7d1559171e70aaaf22225d94b4882f5
diff --git a/test/121-modifiers/src/Main.java b/test/121-modifiers/src/Main.java
new file mode 100644
index 0000000..e21b789
--- /dev/null
+++ b/test/121-modifiers/src/Main.java
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+// These classes are to check the additional flags for inner classes.
+class A {
+  private static class B {
+  }
+  protected static interface C {
+  }
+}
+
+public class Main {
+  public final static int INTERFACE_DEFINED_BITS =
+      0x0001 |  // public, may be set.
+      0x0002 |  // private, may be flagged by inner class.
+      0x0004 |  // protected, may be flagged by inner class.
+      0x0008 |  // static, may be flagged by inner class.
+      0x0010 |  // final, must not be set.
+      0x0020 |  // super, must not be set.
+      0x0200 |  // interface, must be set.
+      0x0400 |  // abstract, must be set.
+      0x1000 |  // synthetic, may be set.
+      0x2000 |  // annotation, may be set (annotation implies interface)
+      0x4000 ;  // enum, must not be set.
+
+  public final static int CLASS_DEFINED_BITS =
+      0x0001 |  // public, may be set.
+      0x0002 |  // private, may be flagged by inner class.
+      0x0004 |  // protected, may be flagged by inner class.
+      0x0008 |  // static, may be flagged by inner class.
+      0x0010 |  // final, may be set.
+      0x0020 |  // super, may be set.
+      0x0200 |  // interface, must not be set.
+      0x0400 |  // abstract, may be set.
+      0x1000 |  // synthetic, may be set.
+      0x2000 |  // annotation, must not be set.
+      0x4000 ;  // enum, may be set.
+
+  public final static int FIELD_DEFINED_BITS =
+       0x0001 |  // public
+       0x0002 |  // private
+       0x0004 |  // protected
+       0x0008 |  // static
+       0x0010 |  // final
+       0x0040 |  // volatile
+       0x0080 |  // transient
+       0x1000 |  // synthetic
+       0x4000 ;  // enum
+
+  public final static int METHOD_DEFINED_BITS =
+       0x0001 |  // public
+       0x0002 |  // private
+       0x0004 |  // protected
+       0x0008 |  // static
+       0x0010 |  // final
+       0x0020 |  // synchronized
+       0x0040 |  // bridge
+       0x0080 |  // varargs
+       0x0100 |  // native
+       0x0400 |  // abstract
+       0x0800 |  // strictfp
+       0x1000 ;  // synthetic
+
+  public static void main(String args[]) throws Exception {
+    check("Inf");
+    check("NonInf");
+    check("A");
+    check("A$B");
+  }
+
+  private static void check(String className) throws Exception {
+    Class<?> clazz = Class.forName(className);
+    if (className.equals("Inf")) {
+      if (!clazz.isInterface()) {
+        throw new RuntimeException("Expected an interface.");
+      }
+      int undefinedBits = 0xFFFF ^ INTERFACE_DEFINED_BITS;
+      if ((clazz.getModifiers() & undefinedBits) != 0) {
+        System.out.println("Clazz.getModifiers(): " + Integer.toBinaryString(clazz.getModifiers()));
+        System.out.println("INTERFACE_DEF_BITS: " + Integer.toBinaryString(INTERFACE_DEFINED_BITS));
+        throw new RuntimeException("Undefined bits for an interface: " + className);
+      }
+    } else {
+      if (clazz.isInterface()) {
+        throw new RuntimeException("Expected a class.");
+      }
+      int undefinedBits = 0xFFFF ^ CLASS_DEFINED_BITS;
+      if ((clazz.getModifiers() & undefinedBits) != 0) {
+        System.out.println("Clazz.getModifiers(): " + Integer.toBinaryString(clazz.getModifiers()));
+        System.out.println("CLASS_DEF_BITS: " + Integer.toBinaryString(CLASS_DEFINED_BITS));
+        throw new RuntimeException("Undefined bits for a class: " + className);
+      }
+    }
+
+    // Check fields.
+    for (java.lang.reflect.Field f : clazz.getDeclaredFields()) {
+      String name = f.getName();
+      int undefinedBits = 0xFFFF ^ FIELD_DEFINED_BITS;
+      if ((f.getModifiers() & undefinedBits) != 0) {
+        System.out.println("f.getModifiers(): " + Integer.toBinaryString(f.getModifiers()));
+        System.out.println("FIELD_DEF_BITS: " + Integer.toBinaryString(FIELD_DEFINED_BITS));
+        throw new RuntimeException("Unexpected field bits: " + name);
+      }
+      if (name.equals("I")) {
+        // Interface field, just check generically.
+      } else {
+        // Check the name, see that the corresponding bit is set.
+        int bitmask = getFieldMask(name);
+        if ((bitmask & f.getModifiers()) == 0) {
+          throw new RuntimeException("Expected field bit not set.");
+        }
+      }
+    }
+
+    // Check methods.
+    for (java.lang.reflect.Method m : clazz.getDeclaredMethods()) {
+      String name = m.getName();
+      int undefinedBits = 0xFFFF ^ METHOD_DEFINED_BITS;
+      if ((m.getModifiers() & undefinedBits) != 0) {
+          System.out.println("m.getModifiers(): " + Integer.toBinaryString(m.getModifiers()));
+          System.out.println("METHOD_DEF_BITS: " + Integer.toBinaryString(METHOD_DEFINED_BITS));
+        throw new RuntimeException("Unexpected method bits: " + name);
+      }
+      // Check the name, see that the corresponding bit is set.
+      int bitmask = getMethodMask(name);
+      if ((bitmask & m.getModifiers()) == 0) {
+        throw new RuntimeException("Expected method bit not set.");
+      }
+    }
+  }
+
+  private static int getFieldMask(String name) {
+    int index = name.indexOf("Field");
+    if (index > 0) {
+      String shortS = name.substring(0, index);
+      if (shortS.equals("public")) {
+        return 0x0001;
+      }
+      if (shortS.equals("private")) {
+        return 0x0002;
+      }
+      if (shortS.equals("protected")) {
+        return 0x0004;
+      }
+      if (shortS.equals("static")) {
+        return 0x0008;
+      }
+      if (shortS.equals("transient")) {
+        return 0x0080;
+      }
+      if (shortS.equals("volatile")) {
+        return 0x0040;
+      }
+      if (shortS.equals("final")) {
+        return 0x0010;
+      }
+    }
+    throw new RuntimeException("Unexpected field name " + name);
+  }
+
+  private static int getMethodMask(String name) {
+    int index = name.indexOf("Method");
+    if (index > 0) {
+      String shortS = name.substring(0, index);
+      if (shortS.equals("public")) {
+        return 0x0001;
+      }
+      if (shortS.equals("private")) {
+        return 0x0002;
+      }
+      if (shortS.equals("protected")) {
+        return 0x0004;
+      }
+      if (shortS.equals("static")) {
+        return 0x0008;
+      }
+      if (shortS.equals("synchronized")) {
+        return 0x0020;
+      }
+      if (shortS.equals("varargs")) {
+        return 0x0080;
+      }
+      if (shortS.equals("final")) {
+        return 0x0010;
+      }
+      if (shortS.equals("native")) {
+        return 0x0100;
+      }
+      if (shortS.equals("abstract")) {
+        return 0x0400;
+      }
+      if (shortS.equals("strictfp")) {
+        return 0x0800;
+      }
+    }
+    throw new RuntimeException("Unexpected method name " + name);
+  }
+}