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8268125: ZGC: Clone oop array gets wrong acopy stub
Reviewed-by: vlivanov
This commit is contained in:
Nils Eliasson
parent
35d867df1f
commit
e36136fa93
5 changed files with 342 additions and 10 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -26,21 +26,304 @@
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* @bug 8155643
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* @summary Test Object.clone() intrinsic if ReduceInitialCardMarks is disabled.
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*
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xcomp -XX:-ReduceInitialCardMarks
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* -XX:CompileCommand=compileonly,compiler.arraycopy.TestObjectArrayClone::test
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-ReduceInitialCardMarks
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* -XX:CompileCommand=compileonly,compiler.arraycopy.TestObjectArrayClone::testClone*
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* compiler.arraycopy.TestObjectArrayClone
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*
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions
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* -XX:CompileCommand=compileonly,compiler.arraycopy.TestObjectArrayClone::testClone*
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* compiler.arraycopy.TestObjectArrayClone
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*/
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package compiler.arraycopy;
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public class TestObjectArrayClone {
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class Payload implements Cloneable {
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boolean b;
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int i;
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char c;
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String str;
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short s;
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int i2;
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public static TestObjectArrayClone[] test(TestObjectArrayClone[] arr) {
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return arr.clone();
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public Payload(boolean b, int i, char c, String str, short s, int i2) {
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super();
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this.b = b;
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this.i = i;
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this.c = c;
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this.str = str;
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this.s = s;
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this.i2 = i2;
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}
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public static void main(String[] args) {
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test(new TestObjectArrayClone[42]);
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public Payload clonep() {
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try {
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return (Payload) super.clone();
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} catch(CloneNotSupportedException e) {
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return null;
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}
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}
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}
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class Payload2 implements Cloneable {
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boolean b;
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int i;
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char c;
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String str;
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short s;
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int i2;
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boolean b2;
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int i3;
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char c2;
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String str2;
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short s2;
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int i4;
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public Payload2(boolean b, int i, char c, String str, short s, int i2, boolean b2, int i3, char c2, String str2,
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short s2, int i4) {
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super();
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this.b = b;
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this.i = i;
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this.c = c;
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this.str = str;
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this.s = s;
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this.i2 = i2;
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this.b2 = b2;
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this.i3 = i3;
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this.c2 = c2;
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this.str2 = str2;
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this.s2 = s2;
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this.i4 = i4;
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}
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public Payload2 clonep() {
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try {
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return (Payload2) super.clone();
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} catch(CloneNotSupportedException e) {
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return null;
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}
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}
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}
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public class TestObjectArrayClone {
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public static String[] escape_arr;
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public static String str1 = new String("1");
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public static String str2 = new String("2");
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public static String str3 = new String("3");
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public static String str4 = new String("4");
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public static String str5 = new String("5");
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public static String[] testCloneObjectArray(String[] arr) {
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return arr.clone();
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}
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public static String[] testCloneObjectArrayCopy(String[] arr) {
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String[] arr2 = new String[arr.length];
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System.arraycopy(arr, 0, arr2, 0, arr.length);
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return arr2;
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}
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public static String[] testCloneShortObjectArray() {
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String[] arr = new String[5];
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arr[0] = str1;
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arr[1] = str2;
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arr[2] = str3;
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arr[3] = str4;
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arr[4] = str5;
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escape_arr = arr;
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return arr.clone();
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}
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public static String[] testCloneShortObjectArrayCopy() {
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String[] arr = new String[5];
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arr[0] = str1;
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arr[1] = str2;
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arr[2] = str3;
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arr[3] = str4;
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arr[4] = str5;
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escape_arr = arr;
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String[] arr2 = new String[arr.length];
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System.arraycopy(arr, 0, arr2, 0, arr.length);
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return arr2;
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}
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public static int[] testClonePrimitiveArray(int[] arr) {
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return arr.clone();
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}
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public static Object testCloneOop(Payload p) {
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return p.clonep();
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}
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public static Object testCloneOop2(Payload2 p) {
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return p.clonep();
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}
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public static void main(String[] args) {
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String[] arr1 = new String[42];
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for (int j = 0; j < arr1.length; j++) {
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arr1[j] = new String(Integer.toString(j));
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}
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for (int i = 0; i < 50_000; i++) {
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String[] arr2 = testCloneObjectArray(arr1);
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verifyStr(arr1, arr2);
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String[] arr3 = testCloneObjectArray(arr1);
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verifyStr(arr1, arr3);
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String[] arr4 = testCloneObjectArray(arr1);
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verifyStr(arr1, arr4);
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verifyStr(arr1, arr3);
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verifyStr(arr1, arr2);
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}
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for (int i = 0; i < 50_000; i++) {
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String[] value = testCloneShortObjectArray();
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verifyStr(value, escape_arr);
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String[] value2 = testCloneShortObjectArray();
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verifyStr(value2, escape_arr);
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String[] value3 = testCloneShortObjectArray();
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verifyStr(value3, escape_arr);
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verifyStr(value, value3);
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verifyStr(value, value2);
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}
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for (int i = 0; i < 50_000; i++) {
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String[] arr2 = testCloneObjectArrayCopy(arr1);
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verifyStr(arr1, arr2);
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String[] arr3 = testCloneObjectArrayCopy(arr1);
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verifyStr(arr1, arr3);
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String[] arr4 = testCloneObjectArrayCopy(arr1);
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verifyStr(arr1, arr4);
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verifyStr(arr1, arr3);
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verifyStr(arr1, arr2);
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}
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for (int i = 0; i < 50_000; i++) {
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String[] value = testCloneShortObjectArrayCopy();
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verifyStr(value, escape_arr);
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String[] value2 = testCloneShortObjectArrayCopy();
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verifyStr(value2, escape_arr);
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String[] value3 = testCloneShortObjectArrayCopy();
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verifyStr(value3, escape_arr);
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verifyStr(value, value3);
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verifyStr(value, value2);
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}
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for (int i = 0; i < 50_000; i++) {
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testClonePrimitiveArray(new int[42]);
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}
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Payload ref = new Payload(false, -1, 'c', str1, (short) 5, -1);
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for (int i = 0; i < 50_000; i++) {
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Payload p1 = (Payload) testCloneOop(ref);
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verifyPayload(ref, p1);
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Payload p2 = (Payload) testCloneOop(ref);
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verifyPayload(ref, p2);
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Payload p3 = (Payload) testCloneOop(ref);
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verifyPayload(ref, p3);
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verifyPayload(p2, p3);
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verifyPayload(p1, p3);
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}
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Payload2 ref2 = new Payload2(false, -1, 'c', str1, (short) 5, -1, false, 0, 'k', str2, (short)-1, 0);
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for (int i = 0; i < 50_000; i++) {
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Payload2 p1 = (Payload2) testCloneOop2(ref2);
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verifyPayload2(ref2, p1);
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Payload2 p2 = (Payload2) testCloneOop2(ref2);
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verifyPayload2(ref2, p2);
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Payload2 p3 = (Payload2) testCloneOop2(ref2);
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verifyPayload2(ref2, p3);
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verifyPayload2(p2, p3);
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verifyPayload2(p1, p3);
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}
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}
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public static void verifyPayload(Payload p1, Payload p2) {
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if (p1.b != p2.b) {
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throw new RuntimeException("b is wrong");
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}
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if (p1.c != p2.c) {
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throw new RuntimeException("c is wrong");
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}
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if (p1.i != p2.i) {
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throw new RuntimeException("i is wrong");
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}
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if (p1.s != p2.s) {
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throw new RuntimeException("s is wrong");
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}
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if (p1.i2 != p2.i2) {
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throw new RuntimeException("i2 is wrong");
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}
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if (p1.str != p2.str) {
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throw new RuntimeException("str is wrong");
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}
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if (!p1.str.equals(p2.str)) {
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throw new RuntimeException("str content is wrong");
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}
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}
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public static void verifyPayload2(Payload2 p1, Payload2 p2) {
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if (p1.b != p2.b) {
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throw new RuntimeException("b is wrong");
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}
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if (p1.c != p2.c) {
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throw new RuntimeException("c is wrong");
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}
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if (p1.i != p2.i) {
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throw new RuntimeException("i is wrong");
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}
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if (p1.s != p2.s) {
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throw new RuntimeException("s is wrong");
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}
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if (p1.i2 != p2.i2) {
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throw new RuntimeException("i2 is wrong");
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}
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if (p1.str != p2.str) {
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throw new RuntimeException("str is wrong");
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}
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if (!p1.str.equals(p2.str)) {
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throw new RuntimeException("str content is wrong");
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}
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if (p1.b2 != p2.b2) {
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throw new RuntimeException("b is wrong");
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}
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if (p1.c2 != p2.c2) {
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throw new RuntimeException("c is wrong");
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}
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if (p1.i3 != p2.i3) {
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throw new RuntimeException("i is wrong");
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}
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if (p1.s2 != p2.s2) {
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throw new RuntimeException("s is wrong");
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}
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if (p1.i4 != p2.i4) {
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throw new RuntimeException("i2 is wrong");
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}
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if (p1.str2 != p2.str2) {
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throw new RuntimeException("str is wrong");
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}
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if (!p1.str2.equals(p2.str2)) {
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throw new RuntimeException("str content is wrong");
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}
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}
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public static void verifyStr(String[] arr1, String[] arr2) {
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if (arr1 == arr2) {
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throw new RuntimeException("Must not be the same");
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}
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if (arr1.length != arr2.length) {
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throw new RuntimeException("Must have the same length");
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}
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for (int i = 0; i < arr1.length; i++) {
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if (arr1[i] != arr2[i]) {
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throw new RuntimeException("Fail cloned element not the same: " + i);
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}
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if (!arr1[i].equals(arr2[i])) {
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throw new RuntimeException("Fail cloned element content not the same");
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}
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}
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}
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}
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