[PATCH 1/6] mshtml: Ignore setting non-writable external props.

[Gabriel Ivăncescu]

From: Gabriel Ivăncescu

Signed-off-by: Gabriel Ivăncescu 
---
 dlls/jscript/dispex.c             |  2 ++
 dlls/mshtml/tests/documentmode.js | 25 ++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/dlls/jscript/dispex.c b/dlls/jscript/dispex.c
index 03b400a383f..b1af74abc79 100644
--- a/dlls/jscript/dispex.c
+++ b/dlls/jscript/dispex.c
@@ -659,6 +659,8 @@ static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, jsval_t val)
             TRACE("no prop_put\n");
             return S_OK;
         }
+        if(!(prop->flags & PROPF_WRITABLE))
+            return S_OK;
         hres = This->builtin_info->prop_put(This, prop->u.id, val);
         if(hres != S_FALSE)
             return hres;
diff --git a/dlls/mshtml/tests/documentmode.js b/dlls/mshtml/tests/documentmode.js
index 634f4ad3420..557c46920ab 100644
--- a/dlls/mshtml/tests/documentmode.js
+++ b/dlls/mshtml/tests/documentmode.js
@@ -4012,7 +4012,7 @@ sync_test("prototype props", function() {
 });

sync_test("constructors", function() {
-    var v = document.documentMode, i, r;
+    var v = document.documentMode, i, r, old;
     if(v < 9)
         return;

@@ -4038,4 +4038,27 @@ sync_test("constructors", function() {
     }catch(e) {
         ok(e.number === 0x0ffff - 0x80000000, "new XMLHttpRequest.create() threw " + e.number);
     }
+
+    r = Object.getOwnPropertyDescriptor(HTMLMetaElement, "prototype");
+    ok(r.value === HTMLMetaElement.prototype, "HTMLMetaElement.prototype value = " + r.value);
+    ok(!("get" in r), "HTMLMetaElement.prototype has getter");
+    ok(!("set" in r), "HTMLMetaElement.prototype has setter");
+    ok(r.writable === false, "HTMLMetaElement.prototype writable = " + r.writable);
+    ok(r.enumerable === false, "HTMLMetaElement.prototype enumerable = " + r.enumerable);
+    ok(r.configurable === false, "HTMLMetaElement.prototype configurable = " + r.configurable);
+
+    old = HTMLMetaElement.prototype;
+    HTMLMetaElement.prototype = Object.prototype;
+    ok(HTMLMetaElement.prototype === old, "HTMLMetaElement.prototype = " + HTMLMetaElement.prototype);
+
+    r = (delete HTMLMetaElement.prototype);
+    ok(r === false, "delete HTMLMetaElement.prototype returned " + r);
+    ok(HTMLMetaElement.hasOwnProperty("prototype"), "prototype not a prop anymore of HTMLMetaElement");
+
+    old = window.HTMLMetaElement;
+    r = (delete window.HTMLMetaElement);
+    ok(r === true, "delete HTMLMetaElement returned " + r);
+    todo_wine.
+    ok(!window.hasOwnProperty("HTMLMetaElement"), "HTMLMetaElement still a property of window");
+    window.HTMLMetaElement = old;
 });