Jacek Caban : jscript: Added Math.abs with no arg implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 142cffc249ca95b7e3335006fb88f74d0152c575
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=142cffc249ca95b7e3335006fb88f74d0152c575

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Thu Oct 16 14:31:58 2008 -0500

jscript: Added Math.abs with no arg implementation.

---

 dlls/jscript/math.c       |    5 +++--
 dlls/jscript/tests/api.js |    9 +++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/dlls/jscript/math.c b/dlls/jscript/math.c
index b55ed52..1d37de5 100644
--- a/dlls/jscript/math.c
+++ b/dlls/jscript/math.c
@@ -121,8 +121,9 @@ static HRESULT Math_abs(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *d
     TRACE("\n");
 
     if(!arg_cnt(dp)) {
-        FIXME("arg_cnt = 0\n");
-        return E_NOTIMPL;
+        if(retv)
+            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 c0e63ef..3bb3ddf 100644
--- a/dlls/jscript/tests/api.js
+++ b/dlls/jscript/tests/api.js
@@ -431,6 +431,15 @@ ok(tmp === 3, "Math.abs(-3) = " + tmp);
 tmp = Math.abs(true);
 ok(tmp === 1, "Math.abs(true) = " + tmp);
 
+tmp = Math.abs();
+ok(isNaN(tmp), "Math.abs() is not NaN");
+
+tmp = Math.abs(NaN);
+ok(isNaN(tmp), "Math.abs() is not NaN");
+
+tmp = Math.abs(-Infinity);
+ok(tmp === Infinity, "Math.abs(-Infinite) = " + tmp);
+
 tmp = Math.abs(-3, 2);
 ok(tmp === 3, "Math.abs(-3, 2) = " + tmp);