test/525-checker-arrays-fields2/src/Main.java - platform/art - Gitiles

 /*
  * Copyright (C) 2015 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.
  */

 //
 // Test on (in)variant instance field and array references in loops.
 //
 public class Main {

   private static Object anObject = new Object();
   private static Object anotherObject = new Object();

   //
   // Instance fields.
   //

   private boolean mZ;
   private byte mB;
   private char mC;
   private short mS;
   private int mI;
   private long mJ;
   private float mF;
   private double mD;
   private Object mL;

   //
   // Instance arrays.
   //

   private boolean[] mArrZ;
   private byte[] mArrB;
   private char[] mArrC;
   private short[] mArrS;
   private int[] mArrI;
   private long[] mArrJ;
   private float[] mArrF;
   private double[] mArrD;
   private Object[] mArrL;

   //
   // Loops on instance arrays with invariant instance field references.
   // The checker is used to ensure hoisting occurred.
   //

   /// CHECK-START: void Main.InvLoopZ() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopZ() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopZ() {
     for (int i = 0; i < mArrZ.length; i++) {
       mArrZ[i] = mZ;
     }
   }

   /// CHECK-START: void Main.InvLoopB() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopB() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopB() {
     for (int i = 0; i < mArrB.length; i++) {
       mArrB[i] = mB;
     }
   }

   /// CHECK-START: void Main.InvLoopC() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopC() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopC() {
     for (int i = 0; i < mArrC.length; i++) {
       mArrC[i] = mC;
     }
   }

   /// CHECK-START: void Main.InvLoopS() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopS() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopS() {
     for (int i = 0; i < mArrS.length; i++) {
       mArrS[i] = mS;
     }
   }

   /// CHECK-START: void Main.InvLoopI() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopI() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopI() {
     for (int i = 0; i < mArrI.length; i++) {
       mArrI[i] = mI;
     }
   }

   /// CHECK-START: void Main.InvLoopJ() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopJ() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopJ() {
     for (int i = 0; i < mArrJ.length; i++) {
       mArrJ[i] = mJ;
     }
   }

   /// CHECK-START: void Main.InvLoopF() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopF() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopF() {
     for (int i = 0; i < mArrF.length; i++) {
       mArrF[i] = mF;
     }
   }

   /// CHECK-START: void Main.InvLoopD() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopD() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopD() {
     for (int i = 0; i < mArrD.length; i++) {
       mArrD[i] = mD;
     }
   }

   /// CHECK-START: void Main.InvLoopL() licm (before)
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
   /// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

   /// CHECK-START: void Main.InvLoopL() licm (after)
   /// CHECK-DAG: InstanceFieldGet loop:none
   /// CHECK-DAG: InstanceFieldGet loop:none

   private void InvLoopL() {
     for (int i = 0; i < mArrL.length; i++) {
       mArrL[i] = mL;
     }
   }

   //
   // Loops on instance arrays with variant instance field references.
   // Incorrect hoisting is detected by incorrect outcome.
   //

   private void VarLoopZ() {
     for (int i = 0; i < mArrZ.length; i++) {
       mArrZ[i] = mZ;
       if (i == 10)
         mZ = !mZ;
     }
   }

   private void VarLoopB() {
     for (int i = 0; i < mArrB.length; i++) {
       mArrB[i] = mB;
       if (i == 10)
         mB++;
     }
   }

   private void VarLoopC() {
     for (int i = 0; i < mArrC.length; i++) {
       mArrC[i] = mC;
       if (i == 10)
         mC++;
     }
   }

   private void VarLoopS() {
     for (int i = 0; i < mArrS.length; i++) {
       mArrS[i] = mS;
       if (i == 10)
         mS++;
     }
   }

   private void VarLoopI() {
     for (int i = 0; i < mArrI.length; i++) {
       mArrI[i] = mI;
       if (i == 10)
         mI++;
     }
   }

   private void VarLoopJ() {
     for (int i = 0; i < mArrJ.length; i++) {
       mArrJ[i] = mJ;
       if (i == 10)
         mJ++;
     }
   }

   private void VarLoopF() {
     for (int i = 0; i < mArrF.length; i++) {
       mArrF[i] = mF;
       if (i == 10)
         mF++;
     }
   }

   private void VarLoopD() {
     for (int i = 0; i < mArrD.length; i++) {
       mArrD[i] = mD;
       if (i == 10)
         mD++;
     }
   }

   private void VarLoopL() {
     for (int i = 0; i < mArrL.length; i++) {
       mArrL[i] = mL;
       if (i == 10)
         mL = anotherObject;
     }
   }

   //
   // Loops on instance arrays with a cross-over reference.
   // Incorrect hoisting is detected by incorrect outcome.
   // In addition, the checker is used to detect no hoisting.
   //

   /// CHECK-START: void Main.CrossOverLoopZ() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopZ() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopZ() {
     mArrZ[20] = false;
     for (int i = 0; i < mArrZ.length; i++) {
       mArrZ[i] = !mArrZ[20];
     }
   }

   /// CHECK-START: void Main.CrossOverLoopB() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopB() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopB() {
     mArrB[20] = 111;
     for (int i = 0; i < mArrB.length; i++) {
       mArrB[i] = (byte)(mArrB[20] + 2);
     }
   }

   /// CHECK-START: void Main.CrossOverLoopC() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopC() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopC() {
     mArrC[20] = 111;
     for (int i = 0; i < mArrC.length; i++) {
       mArrC[i] = (char)(mArrC[20] + 2);
     }
   }

   /// CHECK-START: void Main.CrossOverLoopS() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopS() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopS() {
     mArrS[20] = 111;
     for (int i = 0; i < mArrS.length; i++) {
       mArrS[i] = (short)(mArrS[20] + 2);
     }
   }

   /// CHECK-START: void Main.CrossOverLoopI() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopI() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopI() {
     mArrI[20] = 111;
     for (int i = 0; i < mArrI.length; i++) {
       mArrI[i] = mArrI[20] + 2;
     }
   }

   /// CHECK-START: void Main.CrossOverLoopJ() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopJ() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopJ() {
     mArrJ[20] = 111;
     for (int i = 0; i < mArrJ.length; i++) {
       mArrJ[i] = mArrJ[20] + 2;
     }
   }

   /// CHECK-START: void Main.CrossOverLoopF() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopF() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopF() {
     mArrF[20] = 111;
     for (int i = 0; i < mArrF.length; i++) {
       mArrF[i] = mArrF[20] + 2;
     }
   }

   /// CHECK-START: void Main.CrossOverLoopD() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopD() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopD() {
     mArrD[20] = 111;
     for (int i = 0; i < mArrD.length; i++) {
       mArrD[i] = mArrD[20] + 2;
     }
   }

   /// CHECK-START: void Main.CrossOverLoopL() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.CrossOverLoopL() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void CrossOverLoopL() {
     mArrL[20] = anotherObject;
     for (int i = 0; i < mArrL.length; i++) {
       mArrL[i] = (mArrL[20] == anObject) ? anotherObject : anObject;
     }
   }

   //
   // False cross-over loops on instance arrays with data types (I/F and J/D) that used
   // to be aliased in an older version of the compiler. This alias has been removed,
   // however, which enables hoisting the invariant array reference.
   //

   /// CHECK-START: void Main.FalseCrossOverLoop1() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.FalseCrossOverLoop1() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:none
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void FalseCrossOverLoop1() {
     mArrF[20] = -1;
     for (int i = 0; i < mArrI.length; i++) {
       mArrI[i] = (int) mArrF[20] - 2;
     }
   }

   /// CHECK-START: void Main.FalseCrossOverLoop2() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.FalseCrossOverLoop2() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:none
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void FalseCrossOverLoop2() {
     mArrI[20] = -2;
     for (int i = 0; i < mArrF.length; i++) {
       mArrF[i] = mArrI[20] - 2;
     }
   }

   /// CHECK-START: void Main.FalseCrossOverLoop3() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.FalseCrossOverLoop3() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:none
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void FalseCrossOverLoop3() {
     mArrD[20] = -3;
     for (int i = 0; i < mArrJ.length; i++) {
       mArrJ[i] = (long) mArrD[20] - 2;
     }
   }

   /// CHECK-START: void Main.FalseCrossOverLoop4() licm (before)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:{{B\d+}}
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   /// CHECK-START: void Main.FalseCrossOverLoop4() licm (after)
   /// CHECK-DAG: ArraySet loop:none
   /// CHECK-DAG: ArrayGet loop:none
   /// CHECK-DAG: ArraySet loop:{{B\d+}}

   private void FalseCrossOverLoop4() {
     mArrJ[20] = -4;
     for (int i = 0; i < mArrD.length; i++) {
       mArrD[i] = mArrJ[20] - 2;
     }
   }

   //
   // Main driver and testers.
   //

   public static void main(String[] args) {
     new Main().DoInstanceTests();
     System.out.println("passed");
   }

   private void DoInstanceTests() {
     // Type Z.
     mZ = true;
     mArrZ = new boolean[100];
     InvLoopZ();
     for (int i = 0; i < mArrZ.length; i++) {
       expectEquals(true, mArrZ[i]);
     }
     VarLoopZ();
     for (int i = 0; i < mArrZ.length; i++) {
       expectEquals(i <= 10, mArrZ[i]);
     }
     CrossOverLoopZ();
     for (int i = 0; i < mArrZ.length; i++) {
       expectEquals(i <= 20, mArrZ[i]);
     }
     // Type B.
     mB = 1;
     mArrB = new byte[100];
     InvLoopB();
     for (int i = 0; i < mArrB.length; i++) {
       expectEquals(1, mArrB[i]);
     }
     VarLoopB();
     for (int i = 0; i < mArrB.length; i++) {
       expectEquals(i <= 10 ? 1 : 2, mArrB[i]);
     }
     CrossOverLoopB();
     for (int i = 0; i < mArrB.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrB[i]);
     }
     // Type C.
     mC = 2;
     mArrC = new char[100];
     InvLoopC();
     for (int i = 0; i < mArrC.length; i++) {
       expectEquals(2, mArrC[i]);
     }
     VarLoopC();
     for (int i = 0; i < mArrC.length; i++) {
       expectEquals(i <= 10 ? 2 : 3, mArrC[i]);
     }
     CrossOverLoopC();
     for (int i = 0; i < mArrC.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrC[i]);
     }
     // Type S.
     mS = 3;
     mArrS = new short[100];
     InvLoopS();
     for (int i = 0; i < mArrS.length; i++) {
       expectEquals(3, mArrS[i]);
     }
     VarLoopS();
     for (int i = 0; i < mArrS.length; i++) {
       expectEquals(i <= 10 ? 3 : 4, mArrS[i]);
     }
     CrossOverLoopS();
     for (int i = 0; i < mArrS.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrS[i]);
     }
     // Type I.
     mI = 4;
     mArrI = new int[100];
     InvLoopI();
     for (int i = 0; i < mArrI.length; i++) {
       expectEquals(4, mArrI[i]);
     }
     VarLoopI();
     for (int i = 0; i < mArrI.length; i++) {
       expectEquals(i <= 10 ? 4 : 5, mArrI[i]);
     }
     CrossOverLoopI();
     for (int i = 0; i < mArrI.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrI[i]);
     }
     // Type J.
     mJ = 5;
     mArrJ = new long[100];
     InvLoopJ();
     for (int i = 0; i < mArrJ.length; i++) {
       expectEquals(5, mArrJ[i]);
     }
     VarLoopJ();
     for (int i = 0; i < mArrJ.length; i++) {
       expectEquals(i <= 10 ? 5 : 6, mArrJ[i]);
     }
     CrossOverLoopJ();
     for (int i = 0; i < mArrJ.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrJ[i]);
     }
     // Type F.
     mF = 6.0f;
     mArrF = new float[100];
     InvLoopF();
     for (int i = 0; i < mArrF.length; i++) {
       expectEquals(6, mArrF[i]);
     }
     VarLoopF();
     for (int i = 0; i < mArrF.length; i++) {
       expectEquals(i <= 10 ? 6 : 7, mArrF[i]);
     }
     CrossOverLoopF();
     for (int i = 0; i < mArrF.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrF[i]);
     }
     // Type D.
     mD = 7.0;
     mArrD = new double[100];
     InvLoopD();
     for (int i = 0; i < mArrD.length; i++) {
       expectEquals(7.0, mArrD[i]);
     }
     VarLoopD();
     for (int i = 0; i < mArrD.length; i++) {
       expectEquals(i <= 10 ? 7 : 8, mArrD[i]);
     }
     CrossOverLoopD();
     for (int i = 0; i < mArrD.length; i++) {
       expectEquals(i <= 20 ? 113 : 115, mArrD[i]);
     }
     // Type L.
     mL = anObject;
     mArrL = new Object[100];
     InvLoopL();
     for (int i = 0; i < mArrL.length; i++) {
       expectEquals(anObject, mArrL[i]);
     }
     VarLoopL();
     for (int i = 0; i < mArrL.length; i++) {
       expectEquals(i <= 10 ? anObject : anotherObject, mArrL[i]);
     }
     CrossOverLoopL();
     for (int i = 0; i < mArrL.length; i++) {
       expectEquals(i <= 20 ? anObject : anotherObject, mArrL[i]);
     }
     // False cross-over.
     FalseCrossOverLoop1();
     for (int i = 0; i < mArrI.length; i++) {
       expectEquals(-3, mArrI[i]);
     }
     FalseCrossOverLoop2();
     for (int i = 0; i < mArrF.length; i++) {
       expectEquals(-4, mArrF[i]);
     }
     FalseCrossOverLoop3();
     for (int i = 0; i < mArrJ.length; i++) {
       expectEquals(-5, mArrJ[i]);
     }
     FalseCrossOverLoop4();
     for (int i = 0; i < mArrD.length; i++) {
       expectEquals(-6, mArrD[i]);
     }
   }

   private static void expectEquals(boolean expected, boolean result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(byte expected, byte result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(char expected, char result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(short expected, short result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(int expected, int result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(long expected, long result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(float expected, float result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(double expected, double result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }

   private static void expectEquals(Object expected, Object result) {
     if (expected != result) {
       throw new Error("Expected: " + expected + ", found: " + result);
     }
   }
 }
	/*
	* Copyright (C) 2015 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.
	*/

	//
	// Test on (in)variant instance field and array references in loops.
	//
	public class Main {

	private static Object anObject = new Object();
	private static Object anotherObject = new Object();

	//
	// Instance fields.
	//

	private boolean mZ;
	private byte mB;
	private char mC;
	private short mS;
	private int mI;
	private long mJ;
	private float mF;
	private double mD;
	private Object mL;

	//
	// Instance arrays.
	//

	private boolean[] mArrZ;
	private byte[] mArrB;
	private char[] mArrC;
	private short[] mArrS;
	private int[] mArrI;
	private long[] mArrJ;
	private float[] mArrF;
	private double[] mArrD;
	private Object[] mArrL;

	//
	// Loops on instance arrays with invariant instance field references.
	// The checker is used to ensure hoisting occurred.
	//

	/// CHECK-START: void Main.InvLoopZ() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopZ() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopZ() {
	for (int i = 0; i < mArrZ.length; i++) {
	mArrZ[i] = mZ;
	}
	}

	/// CHECK-START: void Main.InvLoopB() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopB() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopB() {
	for (int i = 0; i < mArrB.length; i++) {
	mArrB[i] = mB;
	}
	}

	/// CHECK-START: void Main.InvLoopC() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopC() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopC() {
	for (int i = 0; i < mArrC.length; i++) {
	mArrC[i] = mC;
	}
	}

	/// CHECK-START: void Main.InvLoopS() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopS() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopS() {
	for (int i = 0; i < mArrS.length; i++) {
	mArrS[i] = mS;
	}
	}

	/// CHECK-START: void Main.InvLoopI() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopI() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopI() {
	for (int i = 0; i < mArrI.length; i++) {
	mArrI[i] = mI;
	}
	}

	/// CHECK-START: void Main.InvLoopJ() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopJ() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopJ() {
	for (int i = 0; i < mArrJ.length; i++) {
	mArrJ[i] = mJ;
	}
	}

	/// CHECK-START: void Main.InvLoopF() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopF() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopF() {
	for (int i = 0; i < mArrF.length; i++) {
	mArrF[i] = mF;
	}
	}

	/// CHECK-START: void Main.InvLoopD() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopD() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopD() {
	for (int i = 0; i < mArrD.length; i++) {
	mArrD[i] = mD;
	}
	}

	/// CHECK-START: void Main.InvLoopL() licm (before)
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}
	/// CHECK-DAG: InstanceFieldGet loop:{{B\d+}}

	/// CHECK-START: void Main.InvLoopL() licm (after)
	/// CHECK-DAG: InstanceFieldGet loop:none
	/// CHECK-DAG: InstanceFieldGet loop:none

	private void InvLoopL() {
	for (int i = 0; i < mArrL.length; i++) {
	mArrL[i] = mL;
	}
	}

	//
	// Loops on instance arrays with variant instance field references.
	// Incorrect hoisting is detected by incorrect outcome.
	//

	private void VarLoopZ() {
	for (int i = 0; i < mArrZ.length; i++) {
	mArrZ[i] = mZ;
	if (i == 10)
	mZ = !mZ;
	}
	}

	private void VarLoopB() {
	for (int i = 0; i < mArrB.length; i++) {
	mArrB[i] = mB;
	if (i == 10)
	mB++;
	}
	}

	private void VarLoopC() {
	for (int i = 0; i < mArrC.length; i++) {
	mArrC[i] = mC;
	if (i == 10)
	mC++;
	}
	}

	private void VarLoopS() {
	for (int i = 0; i < mArrS.length; i++) {
	mArrS[i] = mS;
	if (i == 10)
	mS++;
	}
	}

	private void VarLoopI() {
	for (int i = 0; i < mArrI.length; i++) {
	mArrI[i] = mI;
	if (i == 10)
	mI++;
	}
	}

	private void VarLoopJ() {
	for (int i = 0; i < mArrJ.length; i++) {
	mArrJ[i] = mJ;
	if (i == 10)
	mJ++;
	}
	}

	private void VarLoopF() {
	for (int i = 0; i < mArrF.length; i++) {
	mArrF[i] = mF;
	if (i == 10)
	mF++;
	}
	}

	private void VarLoopD() {
	for (int i = 0; i < mArrD.length; i++) {
	mArrD[i] = mD;
	if (i == 10)
	mD++;
	}
	}

	private void VarLoopL() {
	for (int i = 0; i < mArrL.length; i++) {
	mArrL[i] = mL;
	if (i == 10)
	mL = anotherObject;
	}
	}

	//
	// Loops on instance arrays with a cross-over reference.
	// Incorrect hoisting is detected by incorrect outcome.
	// In addition, the checker is used to detect no hoisting.
	//

	/// CHECK-START: void Main.CrossOverLoopZ() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopZ() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopZ() {
	mArrZ[20] = false;
	for (int i = 0; i < mArrZ.length; i++) {
	mArrZ[i] = !mArrZ[20];
	}
	}

	/// CHECK-START: void Main.CrossOverLoopB() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopB() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopB() {
	mArrB[20] = 111;
	for (int i = 0; i < mArrB.length; i++) {
	mArrB[i] = (byte)(mArrB[20] + 2);
	}
	}

	/// CHECK-START: void Main.CrossOverLoopC() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopC() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopC() {
	mArrC[20] = 111;
	for (int i = 0; i < mArrC.length; i++) {
	mArrC[i] = (char)(mArrC[20] + 2);
	}
	}

	/// CHECK-START: void Main.CrossOverLoopS() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopS() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopS() {
	mArrS[20] = 111;
	for (int i = 0; i < mArrS.length; i++) {
	mArrS[i] = (short)(mArrS[20] + 2);
	}
	}

	/// CHECK-START: void Main.CrossOverLoopI() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopI() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopI() {
	mArrI[20] = 111;
	for (int i = 0; i < mArrI.length; i++) {
	mArrI[i] = mArrI[20] + 2;
	}
	}

	/// CHECK-START: void Main.CrossOverLoopJ() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopJ() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopJ() {
	mArrJ[20] = 111;
	for (int i = 0; i < mArrJ.length; i++) {
	mArrJ[i] = mArrJ[20] + 2;
	}
	}

	/// CHECK-START: void Main.CrossOverLoopF() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopF() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopF() {
	mArrF[20] = 111;
	for (int i = 0; i < mArrF.length; i++) {
	mArrF[i] = mArrF[20] + 2;
	}
	}

	/// CHECK-START: void Main.CrossOverLoopD() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopD() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopD() {
	mArrD[20] = 111;
	for (int i = 0; i < mArrD.length; i++) {
	mArrD[i] = mArrD[20] + 2;
	}
	}

	/// CHECK-START: void Main.CrossOverLoopL() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.CrossOverLoopL() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void CrossOverLoopL() {
	mArrL[20] = anotherObject;
	for (int i = 0; i < mArrL.length; i++) {
	mArrL[i] = (mArrL[20] == anObject) ? anotherObject : anObject;
	}
	}

	//
	// False cross-over loops on instance arrays with data types (I/F and J/D) that used
	// to be aliased in an older version of the compiler. This alias has been removed,
	// however, which enables hoisting the invariant array reference.
	//

	/// CHECK-START: void Main.FalseCrossOverLoop1() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.FalseCrossOverLoop1() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:none
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void FalseCrossOverLoop1() {
	mArrF[20] = -1;
	for (int i = 0; i < mArrI.length; i++) {
	mArrI[i] = (int) mArrF[20] - 2;
	}
	}

	/// CHECK-START: void Main.FalseCrossOverLoop2() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.FalseCrossOverLoop2() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:none
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void FalseCrossOverLoop2() {
	mArrI[20] = -2;
	for (int i = 0; i < mArrF.length; i++) {
	mArrF[i] = mArrI[20] - 2;
	}
	}

	/// CHECK-START: void Main.FalseCrossOverLoop3() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.FalseCrossOverLoop3() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:none
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void FalseCrossOverLoop3() {
	mArrD[20] = -3;
	for (int i = 0; i < mArrJ.length; i++) {
	mArrJ[i] = (long) mArrD[20] - 2;
	}
	}

	/// CHECK-START: void Main.FalseCrossOverLoop4() licm (before)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:{{B\d+}}
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	/// CHECK-START: void Main.FalseCrossOverLoop4() licm (after)
	/// CHECK-DAG: ArraySet loop:none
	/// CHECK-DAG: ArrayGet loop:none
	/// CHECK-DAG: ArraySet loop:{{B\d+}}

	private void FalseCrossOverLoop4() {
	mArrJ[20] = -4;
	for (int i = 0; i < mArrD.length; i++) {
	mArrD[i] = mArrJ[20] - 2;
	}
	}

	//
	// Main driver and testers.
	//

	public static void main(String[] args) {
	new Main().DoInstanceTests();
	System.out.println("passed");
	}

	private void DoInstanceTests() {
	// Type Z.
	mZ = true;
	mArrZ = new boolean[100];
	InvLoopZ();
	for (int i = 0; i < mArrZ.length; i++) {
	expectEquals(true, mArrZ[i]);
	}
	VarLoopZ();
	for (int i = 0; i < mArrZ.length; i++) {
	expectEquals(i <= 10, mArrZ[i]);
	}
	CrossOverLoopZ();
	for (int i = 0; i < mArrZ.length; i++) {
	expectEquals(i <= 20, mArrZ[i]);
	}
	// Type B.
	mB = 1;
	mArrB = new byte[100];
	InvLoopB();
	for (int i = 0; i < mArrB.length; i++) {
	expectEquals(1, mArrB[i]);
	}
	VarLoopB();
	for (int i = 0; i < mArrB.length; i++) {
	expectEquals(i <= 10 ? 1 : 2, mArrB[i]);
	}
	CrossOverLoopB();
	for (int i = 0; i < mArrB.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrB[i]);
	}
	// Type C.
	mC = 2;
	mArrC = new char[100];
	InvLoopC();
	for (int i = 0; i < mArrC.length; i++) {
	expectEquals(2, mArrC[i]);
	}
	VarLoopC();
	for (int i = 0; i < mArrC.length; i++) {
	expectEquals(i <= 10 ? 2 : 3, mArrC[i]);
	}
	CrossOverLoopC();
	for (int i = 0; i < mArrC.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrC[i]);
	}
	// Type S.
	mS = 3;
	mArrS = new short[100];
	InvLoopS();
	for (int i = 0; i < mArrS.length; i++) {
	expectEquals(3, mArrS[i]);
	}
	VarLoopS();
	for (int i = 0; i < mArrS.length; i++) {
	expectEquals(i <= 10 ? 3 : 4, mArrS[i]);
	}
	CrossOverLoopS();
	for (int i = 0; i < mArrS.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrS[i]);
	}
	// Type I.
	mI = 4;
	mArrI = new int[100];
	InvLoopI();
	for (int i = 0; i < mArrI.length; i++) {
	expectEquals(4, mArrI[i]);
	}
	VarLoopI();
	for (int i = 0; i < mArrI.length; i++) {
	expectEquals(i <= 10 ? 4 : 5, mArrI[i]);
	}
	CrossOverLoopI();
	for (int i = 0; i < mArrI.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrI[i]);
	}
	// Type J.
	mJ = 5;
	mArrJ = new long[100];
	InvLoopJ();
	for (int i = 0; i < mArrJ.length; i++) {
	expectEquals(5, mArrJ[i]);
	}
	VarLoopJ();
	for (int i = 0; i < mArrJ.length; i++) {
	expectEquals(i <= 10 ? 5 : 6, mArrJ[i]);
	}
	CrossOverLoopJ();
	for (int i = 0; i < mArrJ.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrJ[i]);
	}
	// Type F.
	mF = 6.0f;
	mArrF = new float[100];
	InvLoopF();
	for (int i = 0; i < mArrF.length; i++) {
	expectEquals(6, mArrF[i]);
	}
	VarLoopF();
	for (int i = 0; i < mArrF.length; i++) {
	expectEquals(i <= 10 ? 6 : 7, mArrF[i]);
	}
	CrossOverLoopF();
	for (int i = 0; i < mArrF.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrF[i]);
	}
	// Type D.
	mD = 7.0;
	mArrD = new double[100];
	InvLoopD();
	for (int i = 0; i < mArrD.length; i++) {
	expectEquals(7.0, mArrD[i]);
	}
	VarLoopD();
	for (int i = 0; i < mArrD.length; i++) {
	expectEquals(i <= 10 ? 7 : 8, mArrD[i]);
	}
	CrossOverLoopD();
	for (int i = 0; i < mArrD.length; i++) {
	expectEquals(i <= 20 ? 113 : 115, mArrD[i]);
	}
	// Type L.
	mL = anObject;
	mArrL = new Object[100];
	InvLoopL();
	for (int i = 0; i < mArrL.length; i++) {
	expectEquals(anObject, mArrL[i]);
	}
	VarLoopL();
	for (int i = 0; i < mArrL.length; i++) {
	expectEquals(i <= 10 ? anObject : anotherObject, mArrL[i]);
	}
	CrossOverLoopL();
	for (int i = 0; i < mArrL.length; i++) {
	expectEquals(i <= 20 ? anObject : anotherObject, mArrL[i]);
	}
	// False cross-over.
	FalseCrossOverLoop1();
	for (int i = 0; i < mArrI.length; i++) {
	expectEquals(-3, mArrI[i]);
	}
	FalseCrossOverLoop2();
	for (int i = 0; i < mArrF.length; i++) {
	expectEquals(-4, mArrF[i]);
	}
	FalseCrossOverLoop3();
	for (int i = 0; i < mArrJ.length; i++) {
	expectEquals(-5, mArrJ[i]);
	}
	FalseCrossOverLoop4();
	for (int i = 0; i < mArrD.length; i++) {
	expectEquals(-6, mArrD[i]);
	}
	}

	private static void expectEquals(boolean expected, boolean result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(byte expected, byte result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(char expected, char result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(short expected, short result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(int expected, int result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(long expected, long result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(float expected, float result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(double expected, double result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}

	private static void expectEquals(Object expected, Object result) {
	if (expected != result) {
	throw new Error("Expected: " + expected + ", found: " + result);
	}
	}
	}