8022797: Clarify spliterator characteristics for collections containing no elements
Reviewed-by: alanb, mduigou
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* NASHORN-556: Need more tests to exercise code in jdk.nashorn.internal.runtime.array package.
*
* @test
* @run
*/
function p() {
var s = "";
for each (var i in arguments) {
s += ((i !== undefined) ? i : "") + ",";
}
s = s.length != 0 ? s.substr(0, s.length - 1) : s;
print(s);
}
function assertEq(expected, actual) {
if (actual !== expected && !(isNaN(actual) && isNaN(expected))) {
throw "expected=" + expected + " actual=" + actual;
}
}
function f1() {
// (NoTypeArrayData)
var empty = {};
empty.length = 10;
Java.to(empty);
delete empty[0];
Array.prototype.slice.call(empty, 0, 1);
Array.prototype.pop.call(empty);
Array.prototype.shift.call(empty);
empty = {};
empty[0] = eval("84") >>> 1; assertEq(42, empty[0]);
empty = {};
Array.prototype.unshift.call(empty, "x"); assertEq("x", empty[0]);
empty = {};
empty[0] = 8.4; assertEq(8.4, empty[0]);
}
function f2() {
// DeletedArrayFilter
var deleted = [,1,,2,,3,,4,,];
assertEq(2, Java.to(deleted)[3]);
assertEq(undefined, deleted.pop());
assertEq(4, deleted.pop());
deleted.unshift(5);
p.apply(null, deleted);
assertEq(5, deleted.shift());
print(deleted.slice(0,3), deleted.slice(1,7));
assertEq(1, deleted[3] >>> 1);
deleted[3] = eval("84") >>> 1; assertEq(42, deleted[3]);
p.apply(null, deleted);
}
function f3() {
// DeletedRangeArrayFilter
var delrange = [1,2,3,,,,,,,,,,];
Java.to(delrange);
delrange.unshift(4);
p.apply(null, delrange);
print(delrange.slice(1,3), delrange.slice(2,6));
assertEq(4, delrange.shift());
}
function f4() {
// NumberArrayData
var num = [1.1,2.2,3.3,4.4,5.5];
Java.to(num);
assertEq(2, num[3] >>> 1);
assertEq(5, num[4] | 0);
assertEq(5.5, num.pop());
num.unshift(13.37);
print(num.slice(1,4));
assertEq(13.37, num.shift());
p.apply(null, num);
num.length = 20;
delete num[0];
num[0] = eval("14") >>> 1;
}
function f5() {
// ObjectArrayData
var obj = [2,"two",3.14,"pi",14,"fourteen"];
Java.to(obj);
assertEq(-12.86, obj[2] - 16);
assertEq(7, obj[4] >>> 1);
obj.unshift("one");
obj[0] = 1.3;
obj[0] = eval("14") >>> 1;
assertEq(7, obj.shift());
p.apply(null, obj);
}
function f6() {
// SparseArrayData
var sparse = [9,8,7,6,5,4,3,2,1];
sparse[0x76543210] = 84;
assertEq(42, sparse[0x76543210] >>> 1);
assertEq(42, sparse[0x76543210] - 42);
assertEq(85, sparse[0x76543210] | 1);
sparse[0x76543210] = 7.2;
sparse[0x76543210] = eval("84") >>> 1;
sparse.unshift(10);
print(sparse.slice(0,12));
print(sparse.slice(0x76543209, 0x76543213));
assertEq(10, sparse.shift());
assertEq(42, sparse.pop());
sparse.length = 1024*1024;
sparse.push(sparse.length);
delete sparse[sparse.length-1];
//print(Java.to(sparse).length);
(function(){}).apply(null, sparse);
}
function f7() {
// UndefinedArrayFilter
var undef = [1,2,3,4,5,undefined,7,8,9,19];
Java.to(undef);
assertEq(4, undef[8] >>> 1);
var tmp = undef[9] >>> 1;
undef[8] = tmp;
undef.unshift(21);
print(undef.slice(0, 4), undef.slice(4, 5));
assertEq(21, undef.shift());
undef.push(20);
assertEq(20, undef.pop());
assertEq(19, undef.pop());
p.apply(null, undef);
undef.length = 20;
}
function f8() {
// LongArrayData
var j = Java.from(Java.to([23,37,42,86,47], "long[]"));
Java.to(j);
p.apply(null, j);
assertEq(43, j[3] >>> 1);
assertEq(36, j[4] - 11);
j.unshift(eval("14") >>> 1);
print(j.slice(0,4));
assertEq(7, j.shift());
assertEq(47, j.pop());
j.push("asdf");
j = Java.from(Java.to([23,37,42,86,47], "long[]"));
j.length = 3;
j[0] = 13;
j = Java.from(Java.to([23,37,42,86,47], "long[]"));
delete j[0];
j = Java.from(Java.to([23,37,42,86,47], "long[]"));
j.length = 20;
j[0] = 13.37;
}
function f9() {
// FrozenArrayFilter
var a1 = [10,11,12,13,14,15];
Object.freeze(a1);
assertEq(true, Object.isFrozen(a1));
Object.getOwnPropertyDescriptor(a1, 0);
a1[1] = 1;
a1[2] = eval("14") >>> 1;
a1[3] = 3.14;
a1[4] = "asdf";
print(a1.slice(1,4));
a1.length = 20;
}
function f10() {
// SealedArrayFilter
var a1 = [10,11,12,13,14,15];
Object.seal(a1);
assertEq(true, Object.isSealed(a1));
Object.getOwnPropertyDescriptor(a1, 0);
a1[1] = 1;
a1[2] = eval("14") >>> 1;
a1[3] = 3.14;
a1[4] = "asdf";
print(a1.slice(1,4));
delete a1[0];
a1.length = 20;
}
f1();
f2();
f3();
f4();
f5();
f6();
f7();
f8();
f9();
f10();