jscript: Added Date.now implementation.

dlls/jscript/date.c

@@ -92,6 +92,7 @@ static const WCHAR getYearW[] = {'g','e','t','Y','e','a','r',0};
 static const WCHAR setYearW[] = {'s','e','t','Y','e','a','r',0};
 
 static const WCHAR UTCW[] = {'U','T','C',0};
+static const WCHAR nowW[] = {'n','o','w',0};
 static const WCHAR parseW[] = {'p','a','r','s','e',0};
 
 static inline DateInstance *date_from_jsdisp(jsdisp_t *jsdisp)
@@ -452,6 +453,17 @@ static inline DOUBLE time_clip(DOUBLE time)
     return floor(time);
 }
 
+static double date_now(void)
+{
+    FILETIME ftime;
+    LONGLONG time;
+
+    GetSystemTimeAsFileTime(&ftime);
+    time = ((LONGLONG)ftime.dwHighDateTime << 32) + ftime.dwLowDateTime;
+
+    return time/10000 - TIME_EPOCH;
+}
+
 static SYSTEMTIME create_systemtime(DOUBLE time)
 {
     SYSTEMTIME st;
@@ -2361,6 +2373,15 @@ static HRESULT DateConstr_UTC(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, un
     return hres;
 }
 
+/* ECMA-262 5.1 Edition    15.9.4.4 */
+static HRESULT DateConstr_now(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
+{
+    TRACE("\n");
+
+    if(r) *r = jsval_number(date_now());
+    return S_OK;
+}
+
 static HRESULT DateConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
         jsval_t *r)
 {
@@ -2373,19 +2394,11 @@ static HRESULT DateConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
     case DISPATCH_CONSTRUCT:
         switch(argc) {
         /* ECMA-262 3rd Edition    15.9.3.3 */
-        case 0: {
-            FILETIME time;
-            LONGLONG lltime;
-
-            GetSystemTimeAsFileTime(&time);
-            lltime = ((LONGLONG)time.dwHighDateTime<<32)
-                + time.dwLowDateTime;
-
-            hres = create_date(ctx, NULL, lltime/10000-TIME_EPOCH, &date);
+        case 0:
+            hres = create_date(ctx, NULL, date_now(), &date);
             if(FAILED(hres))
                 return hres;
             break;
-        }
 
         /* ECMA-262 3rd Edition    15.9.3.2 */
         case 1: {
@@ -2454,6 +2467,7 @@ static HRESULT DateConstr_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
 
 static const builtin_prop_t DateConstr_props[] = {
     {UTCW,    DateConstr_UTC,    PROPF_METHOD},
+    {nowW,    DateConstr_now,    PROPF_HTML|PROPF_METHOD},
     {parseW,  DateConstr_parse,  PROPF_METHOD}
 };
 

dlls/jscript/tests/api.js

@@ -294,6 +294,7 @@ obj = new Date();
 ok(!obj.hasOwnProperty('getTime'), "obj.hasOwnProperty('getTime') is true");
 ok(!Date.hasOwnProperty('getTime'), "Date.hasOwnProperty('getTime') is true");
 ok(Date.prototype.hasOwnProperty('getTime'), "Date.prototype.hasOwnProperty('getTime') is false");
+ok(!("now" in Date), "now found in Date");
 
 obj = new Number();
 ok(!obj.hasOwnProperty('toFixed'), "obj.hasOwnProperty('toFixed') is true");

dlls/mshtml/tests/documentmode.js

@@ -121,6 +121,7 @@ function test_javascript() {
     test_exposed("ScriptEngineMajorVersion", g, true);
 
     test_exposed("JSON", g, v >= 8);
+    test_exposed("now", Date, true);
 
     next_test();
 }

dlls/mshtml/tests/es5.js

+/*
+ * Copyright 2018 Jacek Caban for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+function test_date_now() {
+    var now = Date.now();
+    var time = (new Date()).getTime();
+
+    ok(time >= now && time-now < 50, "unexpected Date.now() result " + now + " expected " + time);
+
+    Date.now(1, 2, 3);
+
+    next_test();
+}
+
+var tests = [
+    test_date_now
+];

dlls/mshtml/tests/rsrc.rc

@@ -52,6 +52,9 @@ xhr.js HTML "xhr.js"
 /* @makedep: elements.js */
 elements.js HTML "elements.js"
 
+/* @makedep: es5.js */
+es5.js HTML "es5.js"
+
 /* @makedep: events.js */
 events.js HTML "events.js"
 

dlls/mshtml/tests/script.c

@@ -3465,6 +3465,7 @@ static void run_js_tests(void)
 
     run_script_as_http_with_mode("xhr.js", NULL, "11");
     run_script_as_http_with_mode("elements.js", NULL, "11");
+    run_script_as_http_with_mode("es5.js", NULL, "11");
     run_script_as_http_with_mode("events.js", NULL, "9");
     run_script_as_http_with_mode("navigation.js", NULL, NULL);
     run_script_as_http_with_mode("navigation.js", NULL, "11");