[PATCH 4/7] jscript: Throw error when accessing `arguments` prop of bind functions.

[Gabriel Ivăncescu]

From: Gabriel Ivăncescu

Signed-off-by: Gabriel Ivăncescu 
---
 dlls/jscript/function.c  | 7 ++++++-
 dlls/mshtml/tests/es5.js | 9 +++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/dlls/jscript/function.c b/dlls/jscript/function.c
index 3910b0d3a1b..a95aa5077fd 100644
--- a/dlls/jscript/function.c
+++ b/dlls/jscript/function.c
@@ -988,13 +988,18 @@ HRESULT create_source_function(script_ctx_t *ctx, bytecode_t *code, function_cod
     return S_OK;
 }

+static HRESULT BindFunction_get_arguments(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
+{
+    return JS_E_INVALID_ACTION;
+}
+
 static HRESULT BindFunction_get_caller(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
 {
     return JS_E_INVALID_ACTION;
 }

static const builtin_prop_t BindFunction_props[] = {
-    {L"arguments",           NULL, 0,                        Function_get_arguments},
+    {L"arguments",           NULL, 0,                        BindFunction_get_arguments},
     {L"caller",              NULL, 0,                        BindFunction_get_caller},
     {L"length",              NULL, 0,                        Function_get_length}
 };
diff --git a/dlls/mshtml/tests/es5.js b/dlls/mshtml/tests/es5.js
index 43723a68d00..fb9b710c70c 100644
--- a/dlls/mshtml/tests/es5.js
+++ b/dlls/mshtml/tests/es5.js
@@ -532,8 +532,10 @@ sync_test("getOwnPropertyDescriptor", function() {
     test_own_data_prop_desc(String, "prototype", false, false, false);
     test_own_data_prop_desc(function(){}, "prototype", true, false, false);
     test_own_data_prop_desc(function(){}, "caller", false, false, false);
+    test_own_data_prop_desc(function(){}, "arguments", false, false, false);
     test_own_data_prop_desc(Function, "prototype", false, false, false);
     test_own_data_prop_desc(Function.prototype, "caller", false, false, false);
+    test_own_data_prop_desc(Function.prototype, "arguments", false, false, false);
     test_own_data_prop_desc(String.prototype, "constructor", true, false, true);

try {
@@ -1140,6 +1142,13 @@ sync_test("bind", function() {
     r = f.call(o2);
     ok(r === 1, "r = " + r);

+    try {
+        f.arguments;
+        ok(false, "expected exception getting f.arguments");
+    }catch(ex) {
+        var n = ex.number >>> 0;
+        ok(n === JS_E_INVALID_ACTION, "f.arguments threw " + n);
+    }
     try {
         f.caller;
         ok(false, "expected exception getting f.caller");