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jscript: Added Math.random implementation.

This commit is contained in:
Jacek Caban 2009-01-22 13:47:00 +01:00 committed by Alexandre Julliard
parent 890a48adc5
commit a20a9166a2
3 changed files with 23 additions and 3 deletions
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2
dlls/jscript/Makefile.in
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@ -3,7 +3,7 @@ TOPOBJDIR = ../..
SRCDIR = @srcdir@ SRCDIR = @srcdir@
VPATH = @srcdir@ VPATH = @srcdir@
MODULE = jscript.dll MODULE = jscript.dll
IMPORTS = oleaut32 kernel32 IMPORTS = oleaut32 advapi32 kernel32
RC_SRCS = rsrc.rc RC_SRCS = rsrc.rc

16
dlls/jscript/math.c
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@ -20,8 +20,10 @@
#include "wine/port.h" #include "wine/port.h"
#include <math.h> #include <math.h>
#include <limits.h>
#include "jscript.h" #include "jscript.h"
#include "ntsecapi.h"
#include "wine/debug.h" #include "wine/debug.h"
@ -352,11 +354,21 @@ static HRESULT Math_pow(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *d
return S_OK; return S_OK;
} }
/* ECMA-262 3rd Edition 15.8.2.14 */
static HRESULT Math_random(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp, static HRESULT Math_random(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{ {
FIXME("\n"); UINT r;
return E_NOTIMPL;
TRACE("\n");
if(!RtlGenRandom(&r, sizeof(r)))
return E_UNEXPECTED;
if(retv)
num_set_val(retv, (DOUBLE)r/(DOUBLE)UINT_MAX);
return S_OK;
} }
/* ECMA-262 3rd Edition 15.8.2.15 */ /* ECMA-262 3rd Edition 15.8.2.15 */

8
dlls/jscript/tests/api.js
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@ -585,6 +585,14 @@ ok(tmp === 2, "Math.pow(2, 2) = " + tmp);
tmp = Math.pow(2, 2, 3); tmp = Math.pow(2, 2, 3);
ok(tmp === 4, "Math.pow(2, 2, 3) = " + tmp); ok(tmp === 4, "Math.pow(2, 2, 3) = " + tmp);
tmp = Math.random();
ok(typeof(tmp) == "number", "typeof(tmp) = " + typeof(tmp));
ok(0 <= tmp && tmp <= 1, "Math.random() = " + tmp);
tmp = Math.random(100);
ok(typeof(tmp) == "number", "typeof(tmp) = " + typeof(tmp));
ok(0 <= tmp && tmp <= 1, "Math.random(100) = " + tmp);
var func = function (a) { var func = function (a) {
var a = 1; var a = 1;
if(a) return; if(a) return;