JDK-8026701.js revision 877:cf4d2252d444 
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.
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5 * This code is free software; you can redistribute it and/or modify it
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12 * version 2 for more details (a copy is included in the LICENSE file that
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22 */
23
24/**
25 * JDK-8026701: Array.prototype.splice is slow on dense arrays
26 *
27 * @test
28 * @run
29 */
30
31function 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
51function 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
56testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, -2, -3);
57testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, -2, -3);
58testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "double[]"), -1, -2, -3);
59testSplice(["1", "2", "3", "4", "5", "6", "7", "8", "9", "10"], -1, -2, -3);
60
61// test array conversion during splice
62testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, "-2", "-3");
63testSplice([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], -1, -2.5, -3.5);
64testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, "-2", "-3");
65testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "long[]"), -1, -2.5, -3.5);
66testSplice(convert([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "double[]"), -1, "-2", "-3");
67
68// test combination with defined elements
69testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13}), -1, -2, -3);
70testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, writable: false}), -1, -2, -3);
71testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, configurable: false}), -1, -2, -3);
72testSplice(Object.defineProperty([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 5, {value: 13, writable: false, configurable: false}), -1, -2, -3);
73