1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8026701: Array.prototype.splice is slow on dense arrays
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 function testSplice(arr, e1, e2, e3) {
  32     try {
  33         print(arr);
  34         print(arr.splice(3, 0, e1, e2, e3));
  35         print(arr);
  36         print(arr.splice(2, 3));
  37         print(arr);
  38         print(arr.splice(2, 3, arr[2], arr[3], arr[4]));
  39         print(arr);
  40         print(arr.splice(20, 10));
  41         print(arr);
  42         print(arr.splice(arr.length, 0, e1, e2, e3));
  43         print(arr);
  44         print(arr.splice(0, 2, arr[0], arr[1], arr[2], arr[3]));
  45         print(arr);
  46     } catch (error) {
  47         print(error);
  48     }
  49 }
  50 
  51 function convert(array, type) {
  52     return (typeof Java === "undefined") ? array : Java.from(Java.to(array, type));
  53 }
  54 
  55 // run some splice tests on all dense array implementations
  56 testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, -2, -3);
  57 testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, -2, -3);
  58 testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "double[]"), -1, -2, -3);
  59 testSplice(["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], -1, -2, -3);
  60 
  61 // test array conversion during splice
  62 testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, "-2", "-3");
  63 testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, -2.5, -3.5);
  64 testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, "-2", "-3");
  65 testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, -2.5, -3.5);
  66 testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "double[]"), -1, "-2", "-3");
  67 
  68 // test combination with defined elements
  69 testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13}), -1, -2, -3);
  70 testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, writable: false}), -1, -2, -3);
  71 testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, configurable: false}), -1, -2, -3);
  72 testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, writable: false, configurable: false}), -1, -2, -3);