Jacek Caban : jscript: Fixed Math.round with no argument.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7bd79152a5cb27a5a4b7f49a6043cb0fcc4d11a0
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7bd79152a5cb27a5a4b7f49a6043cb0fcc4d11a0

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Thu Jan 22 13:47:13 2009 +0100

jscript: Fixed Math.round with no argument.

---

 dlls/jscript/math.c       |    4 ++--
 dlls/jscript/tests/api.js |    3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/jscript/math.c b/dlls/jscript/math.c
index 9c1a56b..4f6c049 100644
--- a/dlls/jscript/math.c
+++ b/dlls/jscript/math.c
@@ -381,8 +381,8 @@ static HRESULT Math_round(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS
     TRACE("\n");
 
     if(!arg_cnt(dp)) {
-        FIXME("arg_cnt = 0\n");
-        return E_NOTIMPL;
+        num_set_nan(retv);
+        return S_OK;
     }
 
     hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
diff --git a/dlls/jscript/tests/api.js b/dlls/jscript/tests/api.js
index 7fd20a6..f370098 100644
--- a/dlls/jscript/tests/api.js
+++ b/dlls/jscript/tests/api.js
@@ -519,6 +519,9 @@ ok(tmp === 1, "Math.round(true) = " + tmp);
 tmp = Math.round(1.1, 3, 4);
 ok(tmp === 1, "Math.round(1.1, 3, 4) = " + tmp);
 
+tmp = Math.round();
+ok(isNaN(tmp), "Math.round() is not NaN");
+
 tmp = Math.ceil(0.5);
 ok(tmp === 1, "Math.ceil(0.5) = " + tmp);