[PATCH 3/6] mshtml: Expose "arguments" from host functions in IE9+ modes.

[Gabriel Ivăncescu]

From: Gabriel Ivăncescu

Signed-off-by: Gabriel Ivăncescu 
---
 dlls/jscript/function.c           |  6 ++++++
 dlls/mshtml/tests/documentmode.js | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/dlls/jscript/function.c b/dlls/jscript/function.c
index 567e2596969..2e811b857cd 100644
--- a/dlls/jscript/function.c
+++ b/dlls/jscript/function.c
@@ -976,10 +976,16 @@ HRESULT create_source_function(script_ctx_t *ctx, bytecode_t *code, function_cod
     return S_OK;
 }

+static const builtin_prop_t HostFunction_props[] = {
+    {L"arguments",           NULL, 0,                        Function_get_arguments},
+};
+
 static const builtin_info_t HostFunction_info = {
     .class       = JSCLASS_FUNCTION,
     .call        = Function_value,
     .destructor  = Function_destructor,
+    .props_cnt   = ARRAY_SIZE(HostFunction_props),
+    .props       = HostFunction_props,
     .gc_traverse = Function_gc_traverse
 };

diff --git a/dlls/mshtml/tests/documentmode.js b/dlls/mshtml/tests/documentmode.js
index 1987112166d..58c04800696 100644
--- a/dlls/mshtml/tests/documentmode.js
+++ b/dlls/mshtml/tests/documentmode.js
@@ -387,12 +387,19 @@ sync_test("builtin_obj", function() {
             window.toString.call(null);
             ok(false, "expected exception calling window.toString with null context");
         }catch(ex) {}
+
+        ok(!Object.hasOwnProperty.call(f, "arguments"), "arguments is a prop of createElement");
+        ok(!Object.hasOwnProperty.call(f, "caller"), "caller is a prop of createElement");
+        ok(!Object.hasOwnProperty.call(f, "length"), "length is a prop of createElement");
     }else {
         ok(Object.getPrototypeOf(f) === Function.prototype, "unexpected document.createElement prototype");
         e = window.toString.call(null);
         ok(e === "[object Window]", "window.toString with null context = " + e);
         e = window.toString.call(external.nullDisp);
         ok(e === "[object Window]", "window.toString with nullDisp context = " + e);
+
+        ok(f.hasOwnProperty("arguments"), "arguments not a prop of createElement");
+        ok(!f.hasOwnProperty("length"), "length is a prop of createElement");
     }

e = 0;
@@ -4038,6 +4045,9 @@ sync_test("constructors", function() {
     }catch(e) {
         ok(e.number === 0x0ffff - 0x80000000, "new XMLHttpRequest.create() threw " + e.number);
     }
+    todo_wine.
+    ok(XMLHttpRequest.create.hasOwnProperty("arguments"), "arguments not a prop of XMLHttpRequest.create");
+    ok(!XMLHttpRequest.create.hasOwnProperty("length"), "length is a prop of XMLHttpRequest.create");

r = Object.getOwnPropertyDescriptor(HTMLMetaElement, "prototype");
     ok(r.value === HTMLMetaElement.prototype, "HTMLMetaElement.prototype value = " + r.value);