jscript: Added String.length implementation.

dlls/jscript/string.c

@@ -70,8 +70,22 @@ static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','
 static HRESULT String_length(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
-    FIXME("\n");
+    TRACE("%p\n", dispex);
+
+    switch(flags) {
+    case DISPATCH_PROPERTYGET: {
+        StringInstance *jsthis = (StringInstance*)dispex;
+
+        V_VT(retv) = VT_I4;
+        V_I4(retv) = jsthis->length;
+        break;
+    }
+    default:
+        FIXME("unimplemented flags %x\n", flags);
         return E_NOTIMPL;
+    }
+
+    return S_OK;
 }
 
 static HRESULT String_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,

dlls/jscript/tests/api.js

@@ -16,6 +16,11 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+ok("".length === 0, "\"\".length = " + "".length);
+ok(getVT("".length) == "VT_I4", "\"\".length = " + "".length);
+ok("abc".length === 3, "\"abc\".length = " + "abc".length);
+ok(String.prototype.length === 0, "String.prototype.length = " + String.prototype.length);
+
 var arr = new Array();
 ok(typeof(arr) === "object", "arr () is not object");
 ok((arr.length === 0), "arr.length is not 0");