8023368: Instance __proto__ property should exist and be writable.
Reviewed-by: attila, hannesw
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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*/
/**
* JDK-8022731: NativeArguments has wrong implementation of isMapped()
*
* @test
* @run
*/
Object.defineProperty(Object.prototype, "0", {value: "proto"});
function test0(a, b) {
Object.defineProperty(arguments, "1", {get: function() { return "get" }});
return arguments[0];
}
function test1(a, b) {
Object.defineProperty(arguments, "0", {get: function() { return "get" }});
return a;
}
function test2(a, b) {
Object.defineProperty(arguments, "0", {value: "value"});
delete arguments[0];
return a;
}
function test3(a, b) {
arguments[1] = "arg1";
return b;
}
function test4(a, b) {
b = "b";
return arguments[1];
}
function test5(a, b) {
Object.defineProperty(arguments, "0", {value: "value"});
arguments[0] = "new";
return a;
}
function test6(a, b) {
Object.defineProperty(arguments, "0", {value: "value"});
arguments[0] = "new";
delete arguments[0];
return a;
}
function test7(a, b) {
Object.defineProperty(arguments, "0", {value: "value", writable: false});
arguments[0] = "new";
return a;
}
print(test0());
print(test0("p1", "p2"));
print(test1());
print(test1("p1"));
print(test2());
print(test2("p1"));
print(test3());
print(test3(1, 2));
print(test4());
print(test4("p1", "p2"));
print(test5());
print(test5("p1"));
print(test6());
print(test6("p1"));
print(test7());
print(test7("p1"));