test/script/basic/NASHORN-377-payload.js

changeset 1102
9f236e3c5088
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/script/basic/NASHORN-377-payload.js	Mon Nov 17 14:36:15 2014 +0100
     1.3 @@ -0,0 +1,226 @@
     1.4 +/*
     1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * NASHORN-377: Typed arrays. Payload for litte and big endian platforms.
    1.29 + *
    1.30 + * @subtest
    1.31 + * @run
    1.32 + */
    1.33 +
    1.34 +var types = [Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];
    1.35 +
    1.36 +//---------------------------------------------------------------------------
    1.37 +// utility functions
    1.38 +//---------------------------------------------------------------------------
    1.39 +function tohex(d, w) {
    1.40 +  var hex = Number(d).toString(16);
    1.41 +  var pad = (w ? w : 8) - hex.length;
    1.42 +  hex = "00000000".substr(0, pad) + hex;
    1.43 +  return hex;
    1.44 +}
    1.45 +
    1.46 +function arrstr(a, n, w) {
    1.47 +  var s = "";
    1.48 +  if (typeof n == "undefined") n = a.length;
    1.49 +  if (typeof w == "undefined") w = a.constructor.BYTES_PER_ELEMENT * 2;
    1.50 +  for (var i = 0; i < n; i++) {
    1.51 +    s += tohex(a[i], w);
    1.52 +  }
    1.53 +  return s;
    1.54 +}
    1.55 +function bufstr(b) {
    1.56 +  if (b.buffer !== undefined) {
    1.57 +    b = b.buffer;
    1.58 +  }
    1.59 +  return arrstr(new Uint8Array(b));
    1.60 +}
    1.61 +
    1.62 +function assertFail(f) {
    1.63 +  try {
    1.64 +    f();
    1.65 +  } catch (e) {
    1.66 +    //print(e);
    1.67 +    return;
    1.68 +  }
    1.69 +  throw "assertion failed: expected exception";
    1.70 +}
    1.71 +
    1.72 +function assertTrue(f) {
    1.73 +  if (f() !== true) throw "assertion failed: " + f;
    1.74 +}
    1.75 +
    1.76 +function isUndefined(x) {
    1.77 +  return typeof x === "undefined";
    1.78 +}
    1.79 +
    1.80 +function fillArray(a, start) {
    1.81 +  if (typeof start == "undefined") start = 1;
    1.82 +  for (var i = 0; i < a.length; i++) {
    1.83 +    a[i] = i + start;
    1.84 +  }
    1.85 +  return a;
    1.86 +}
    1.87 +
    1.88 +//---------------------------------------------------------------------------
    1.89 +// tests
    1.90 +//---------------------------------------------------------------------------
    1.91 +(function() {
    1.92 +  var b = new ArrayBuffer(8);
    1.93 +  var i8 = new Int8Array(b);
    1.94 +  print(i8.buffer.byteLength, b.byteLength, i8.buffer === b, b.length);
    1.95 +  print(b, i8.buffer, i8);
    1.96 +})();
    1.97 +
    1.98 +(function test_attributes() {
    1.99 +  var b = new ArrayBuffer(8);
   1.100 +  for (var i in types) {
   1.101 +    var x = new types[i](b);
   1.102 +    print(x.byteOffset, x.byteLength, x.length, x.constructor.BYTES_PER_ELEMENT);
   1.103 +    assertTrue(function(){ return x.constructor === types[i] });
   1.104 +  }
   1.105 +})();
   1.106 +
   1.107 +(function() {
   1.108 +  var b = new ArrayBuffer(8);
   1.109 +  var i8 = new Int8Array(b);
   1.110 +  fillArray(i8, 0x70);
   1.111 +
   1.112 +  var i8_2 = new Int8Array(b, 2);
   1.113 +  var i8_2_4 = new Uint8Array(b, 2, 4);
   1.114 +
   1.115 +  i8_2_4[3] = 0x80;
   1.116 +
   1.117 +  print(arrstr(i8, 8, 2)  + " " + bufstr(i8));
   1.118 +  print(arrstr(i8_2, 6)   + " " + i8_2.byteOffset   + " " + i8_2.byteLength);
   1.119 +  print(arrstr(i8_2_4, 4) + " " + i8_2_4.byteOffset + " " + i8_2_4.byteLength);
   1.120 +
   1.121 +  var i8_1_5 = i8.subarray(1, 5);
   1.122 +  i8_2_4.subarray(1, 5);
   1.123 +  print(arrstr(i8_1_5, 4) + " " + i8_1_5.byteOffset + " " + i8_1_5.byteLength);
   1.124 +
   1.125 +  print(bufstr(b.slice(1,7)));
   1.126 +})();
   1.127 +
   1.128 +(function() {
   1.129 +  var b = new ArrayBuffer(8);
   1.130 +  fillArray(new Int8Array(b), 0x70);
   1.131 +  new Int8Array(b)[5] = 0x80;
   1.132 +
   1.133 +  var i32 = new Int32Array(b);
   1.134 +  var u32 = new Uint32Array(b);
   1.135 +  print(arrstr(i32), i32[0], i32[1]);
   1.136 +  i32[1] = 0xfefdfcfb;
   1.137 +  print(arrstr(i32), i32[0], i32[1]);
   1.138 +  print(arrstr(u32), u32[0], u32[1]);
   1.139 +
   1.140 +  var pi = 3.1415926;
   1.141 +  var f32 = new Float32Array(b);
   1.142 +  var f64 = new Float64Array(b);
   1.143 +  f32[0] = pi;
   1.144 +  print(bufstr(b), f32.length);
   1.145 +  f64[0] = pi;
   1.146 +  print(bufstr(b), f64.length);
   1.147 +  print(arrstr(u32), u32[0], u32[1]);
   1.148 +
   1.149 +  var d = new Int32Array(3);
   1.150 +  d.set(i32,1);
   1.151 +  print(bufstr(d));
   1.152 +
   1.153 +  var s = new Int16Array(b);
   1.154 +  var t = new Uint16Array(b);
   1.155 +  print(arrstr(s), arrstr(t));
   1.156 +  s[0] = -1; s[1] = 0x80;
   1.157 +  print(arrstr(s), arrstr(t));
   1.158 +})();
   1.159 +
   1.160 +(function enumerate_properties() {
   1.161 +  var i8 = new Int8Array(new ArrayBuffer(8));
   1.162 +  var s = ""; for (var i in i8) { s += i + " "; } print(s.trim());
   1.163 +})();
   1.164 +
   1.165 +// check that ScriptObject fallback is still working
   1.166 +// DISABLED because correct behavior is unclear
   1.167 +(function() {
   1.168 +  // NB: firefox will never set any out-of-bounds or non-array values although it does get both from prototype.
   1.169 +  var z = new Uint8Array(4);
   1.170 +  z["asdf"] = "asdf"; print(z["asdf"]);
   1.171 +  z[0x100000000] = "asdf"; print(z[0x100000000]);
   1.172 +  z[-1] = "asdf"; print(z[-1]);
   1.173 +
   1.174 +  // v8 and nashorn disagree on out-of-bounds uint32 indices: v8 won't go to the prototype.
   1.175 +  z[0xf0000000] = "asdf"; print(z[0xf0000000]);
   1.176 +  z[0xffffffff] = "asdf"; print(z[0xffffffff]);
   1.177 +  z[0x70000000] = "asdf"; print(z[0x70000000]);
   1.178 +
   1.179 +  // this will work in firefox and nashorn (not in v8).
   1.180 +  Uint8Array.prototype[4] = "asdf"; print(z[4]);
   1.181 +});
   1.182 +
   1.183 +(function test_exceptions() {
   1.184 +  assertFail(function() { new Int32Array(new ArrayBuffer(7)); });
   1.185 +  assertFail(function() { new Int32Array(new ArrayBuffer(8), 0, 4); });
   1.186 +  assertFail(function() { new Int32Array(new ArrayBuffer(8),-1, 2); });
   1.187 +  assertFail(function() { new Int32Array(new ArrayBuffer(8), 0,-1); });
   1.188 +})();
   1.189 +
   1.190 +(function test_subarray() {
   1.191 +  var x = fillArray(new Int8Array(8));
   1.192 +  print(arrstr(x));
   1.193 +  print("subarray(2,4)=" + arrstr(x.subarray(2, 4)), "subarray(-6,-4)=" + arrstr(x.subarray(-6, -4))); // negative index refers from the end of the array
   1.194 +  print(arrstr(x.subarray(-10, -2))); // negative index clamped to 0
   1.195 +  assertTrue(function(){ return arrstr(x.subarray(6, 4)) === ""; }); // negative length clamped to 0
   1.196 +  print(arrstr(x.subarray(1,-1).subarray(1,-1)), arrstr(x.subarray(1,-1).subarray(1,-1).subarray(1,-1))); // subarray of subarray
   1.197 +})();
   1.198 +
   1.199 +(function test_slice() {
   1.200 +  var b = new ArrayBuffer(16);
   1.201 +  fillArray(new Int8Array(b));
   1.202 +  print(bufstr(b));
   1.203 +  print("slice(4,8)=" + bufstr(b.slice(4, 8)), "slice(-8,-4)=" + bufstr(b.slice(-8, -4))); // negative index refers from the end of the array
   1.204 +  print(bufstr(b.slice(-20, -4))); // negative index clamped to 0
   1.205 +  assertTrue(function(){ return bufstr(b.slice(8, 4)) === ""; }); // negative length clamped to 0
   1.206 +  print(arrstr(new Int16Array(b.slice(1,-1).slice(2,-1).slice(1,-2).slice(1,-1)))); // slice of slice
   1.207 +})();
   1.208 +
   1.209 +(function test_clamped() {
   1.210 +  var a = new Uint8ClampedArray(10);
   1.211 +  a[0] = -17;       // clamped to 0
   1.212 +  a[1] = 4711;      // clamped to 255
   1.213 +  a[2] = 17.5;      // clamped to 18
   1.214 +  a[3] = 16.5;      // clamped to 16
   1.215 +  a[4] = 255.9;     // clamped to 255
   1.216 +  a[5] = Infinity;  // clamped to 255
   1.217 +  a[6] = -Infinity; // clamped to 0
   1.218 +  a[7] = NaN;       // 0
   1.219 +  assertTrue(function(){ return a[0] === 0 && a[1] === 255 && a[2] === 18 && a[3] === 16 && a[4] === 255 && a[5] === 255 && a[6] === 0 && a[7] === 0; });
   1.220 +})();
   1.221 +
   1.222 +(function test_out_of_bounds() {
   1.223 +  var a = new Int32Array(10);
   1.224 +  a[10] = 10;
   1.225 +  a[100] = 100;
   1.226 +  a[1000] = 1000;
   1.227 +  assertTrue(function(){ return isUndefined(a[10]) && isUndefined(a[11]) && isUndefined(a[100]) && isUndefined(a[123]) && isUndefined(a[1000]); });
   1.228 +})();
   1.229 +

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