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dragonwell8_nashorn
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dragonwell8_nashorn
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体验新版 GitCode,发现更多精彩内容 >>
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502630fb
编写于
5月 29, 2013
作者:
L
lagergren
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电子邮件补丁
差异文件
8011023: Math round didn't conform to ECMAScript 5 spec
Reviewed-by: jlaskey, attila
上级
48f423c7
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
41 addition
and
6 deletion
+41
-6
src/jdk/nashorn/internal/objects/NativeMath.java
src/jdk/nashorn/internal/objects/NativeMath.java
+4
-6
test/script/basic/JDK-8011023.js
test/script/basic/JDK-8011023.js
+34
-0
test/script/basic/JDK-8011023.js.EXPECTED
test/script/basic/JDK-8011023.js.EXPECTED
+3
-0
未找到文件。
src/jdk/nashorn/internal/objects/NativeMath.java
浏览文件 @
502630fb
...
...
@@ -611,13 +611,11 @@ public final class NativeMath extends ScriptObject {
*/
@Function
(
attributes
=
Attribute
.
NOT_ENUMERABLE
,
where
=
Where
.
CONSTRUCTOR
)
public
static
Object
round
(
final
Object
self
,
final
Object
x
)
{
if
(
GlobalFunctions
.
isNaN
(
self
,
x
))
{
return
Double
.
NaN
;
}
else
if
(!
GlobalFunctions
.
isFinite
(
self
,
x
))
{
return
x
;
final
double
d
=
JSType
.
toNumber
(
x
);
if
(
Math
.
getExponent
(
d
)
>=
52
)
{
return
d
;
}
return
Math
.
round
(
JSType
.
toNumber
(
x
));
return
Math
.
copySign
(
Math
.
floor
(
d
+
0.5
),
d
);
}
/**
...
...
test/script/basic/JDK-8011023.js
0 → 100644
浏览文件 @
502630fb
/*
* 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.
*/
/**
* Round should be ecma compliant
*
* @test
* @run
*/
print
(
1
/
Math
.
round
(
-
0.5
));
print
(
Math
.
round
(
9007199254740991
));
print
(
Math
.
round
(
9223372036854775807
*
2
));
test/script/basic/JDK-8011023.js.EXPECTED
0 → 100644
浏览文件 @
502630fb
-Infinity
9007199254740991
18446744073709552000
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