Piotr Caban : jscript: Added Math_acos implementation and tests.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b050c20638db462c67cf95b9cbef8b5a2482b6b8
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=b050c20638db462c67cf95b9cbef8b5a2482b6b8

Author: Piotr Caban <piotr.caban at gmail.com>
Date:   Mon May 25 00:03:06 2009 +0200

jscript: Added Math_acos implementation and tests.

---

 dlls/jscript/math.c       |   18 ++++++++++++++++--
 dlls/jscript/tests/api.js |   33 +++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/dlls/jscript/math.c b/dlls/jscript/math.c
index f7cf3d1..99bd9f5 100644
--- a/dlls/jscript/math.c
+++ b/dlls/jscript/math.c
@@ -160,8 +160,22 @@ static HRESULT Math_abs(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *d
 static HRESULT Math_acos(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    VARIANT v;
+    HRESULT hres;
+
+    TRACE("\n");
+
+    if(!arg_cnt(dp)) {
+        if(retv) num_set_nan(retv);
+        return S_OK;
+    }
+
+    hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
+    if(FAILED(hres))
+        return hres;
+
+    if(retv) num_set_val(retv, acos(num_val(&v)));
+    return S_OK;
 }
 
 static HRESULT Math_asin(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
diff --git a/dlls/jscript/tests/api.js b/dlls/jscript/tests/api.js
index 71517cb..a202fbd 100644
--- a/dlls/jscript/tests/api.js
+++ b/dlls/jscript/tests/api.js
@@ -626,6 +626,39 @@ tmp = Math.random(100);
 ok(typeof(tmp) == "number", "typeof(tmp) = " + typeof(tmp));
 ok(0 <= tmp && tmp <= 1, "Math.random(100) = " + tmp);
 
+tmp = Math.acos(0);
+ok(Math.floor(tmp*100) === 157, "Math.acos(0) = " + tmp);
+
+tmp = Math.acos(1);
+ok(Math.floor(tmp*100) === 0, "Math.acos(1) = " + tmp);
+
+tmp = Math.acos(-1);
+ok(Math.floor(tmp*100) === 314, "Math.acos(-1) = " + tmp);
+
+tmp = Math.acos(Math.PI/4, 2);
+ok(Math.floor(tmp*100) === 66, "Math.acos(Math.PI/4, 2) = " + tmp);
+
+tmp = Math.acos(true);
+ok(Math.floor(tmp*100) === 0, "Math.acos(true) = " + tmp);
+
+tmp = Math.acos(false);
+ok(Math.floor(tmp*100) === 157, "Math.acos(false) = " + tmp);
+
+tmp = Math.acos(1.1);
+ok(isNaN(tmp), "Math.acos(1.1) is not NaN");
+
+tmp = Math.acos();
+ok(isNaN(tmp), "Math.acos() is not NaN");
+
+tmp = Math.acos(NaN);
+ok(isNaN(tmp), "Math.acos(NaN) is not NaN");
+
+tmp = Math.acos(Infinity);
+ok(isNaN(tmp), "Math.acos(Infinity) is not NaN");
+
+tmp = Math.acos(-Infinity);
+ok(isNaN(tmp), "Math.acos(-Infinity) is not NaN");
+
 var func = function  (a) {
         var a = 1;
         if(a) return;