nashorn/test/script/basic/typedarrays.js
author hannesw
Fri, 03 Feb 2017 13:28:00 +0100
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parent 29537 e6615d669728
permissions -rw-r--r--
8173888: Test for JDK-8169481 causes stack overflows in parser tests Reviewed-by: jlaskey, sundar
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/*
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 * Copyright (c) 2010, 2013, 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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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * typedarray test.
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 *
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 * @test
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 * @run
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 */
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//JDK-8066217, constructor for arraybuffer not behaving as per spec
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function checkLength(ab, l) {
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    if (ab.byteLength != l) {
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        throw "length error: " + ab.byteLength + " != " + l;
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    }
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}
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checkLength(new ArrayBuffer(), 0);
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checkLength(new ArrayBuffer(0), 0);
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checkLength(new ArrayBuffer(1024), 1024);
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checkLength(new ArrayBuffer(1,2,3), 1);
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checkLength(new ArrayBuffer([17]), 17);
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var typeDefinitions = [
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Int8Array,
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Uint8Array,
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Uint8ClampedArray,
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Int16Array,
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Uint16Array,
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Int32Array,
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Uint32Array,
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Float32Array,
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Float64Array,
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];
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var mem1 = new ArrayBuffer(1024);
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mem1.byteLength;
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mem1.slice(512);
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mem1.slice(512, 748);
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var size = 128;
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var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
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var arr2 = [99, 89];
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var partial = [];
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var all = [];
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typeDefinitions.forEach(function(arrayDef) {
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    var p = arrayDef.prototype;
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    var sub = [];
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    sub.push(new arrayDef(mem1, arrayDef.BYTES_PER_ELEMENT, 3));
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    sub.push(new arrayDef(size));
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    sub.push(new arrayDef(arr));
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    //push the instances, they will be reused to do instance based construction
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    partial.push({
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        instances:sub,
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        type:arrayDef
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    });
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    all.concat(all, sub);
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});
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partial.forEach(function(inst) {
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    // build new instances with TypeArray instance as parameter.
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    partial.forEach(function(other) {
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        other.instances.forEach(function(otherInstance) {
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            var ii = new inst.type(otherInstance);
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            all.push(ii);
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        });
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    })
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});
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all.forEach(function(instance) {
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    // cover instance props and functions
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    var arr = Object.getOwnPropertyNames(instance);
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    arr.forEach(function(p) {
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        var val = instance[p];
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        if(!isNaN(p)) {
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            val[p] = 99;
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        }
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    });
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    instance.set(instance, 0);
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    instance.set(instance);
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    instance.set(arr2);
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    instance.subarray(5, 9);
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    instance.subarray(5);
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});