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8017046: Cannot assign undefined to a function argument if the function uses arguments object

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Reviewed-by: hannesw
This commit is contained in:
Athijegannathan Sundararajan 2013-06-20 13:45:38 +05:30
parent 1d927dd28e
commit 9e05183200
2 changed files with 47 additions and 1 deletions
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2
nashorn/src/jdk/nashorn/internal/objects/NativeArguments.java
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@ -125,7 +125,7 @@ public final class NativeArguments extends ScriptObject {
@Override @Override
public void setArgument(final int key, final Object value) { public void setArgument(final int key, final Object value) {
if (namedArgs.has(key)) { if (namedArgs.has(key)) {
namedArgs.set(key, value, false); namedArgs = namedArgs.set(key, value, false);
} }
} }

46
nashorn/test/script/basic/JDK-8017046.js Normal file
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@ -0,0 +1,46 @@
/*
* 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.
*/
/**
* JDK-8017046: Cannot assign undefined to a function argument if the function uses arguments object
*
* @test
* @run
*/
function assert(value, msg) {
if (! value) {
fail(msg);
}
}
function func(a) {
assert(a === arguments[0], "a !== arguments[0]");
assert(a === "hello", "a !== 'hello'");
a = undefined;
assert(a === arguments[0], "a !== arguments[0]");
assert(a === undefined, "a !== undefined");
assert(typeof(a) === 'undefined', "typeof(a) is not 'undefined'");
}
func("hello");