Implement the $262.detachArrayBuffer() method for testing

Change-Id: I30ddca4402254e1cde17712d07ea0bff2ea5f595
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qml/jsruntime/qv4arraybuffer.cpp b/src/qml/jsruntime/qv4arraybuffer.cpp
index f80c9a0ab2..c52e9bf24e 100644
--- a/src/qml/jsruntime/qv4arraybuffer.cpp
+++ b/src/qml/jsruntime/qv4arraybuffer.cpp
@@ -165,7 +165,7 @@ void ArrayBufferPrototype::init(ExecutionEngine *engine, Object *ctor)
 ReturnedValue ArrayBufferPrototype::method_get_byteLength(const FunctionObject *b, const Value *thisObject, const Value *, int)
 {
     const ArrayBuffer *a = thisObject->as<ArrayBuffer>();
-    if (!a)
+    if (!a || a->isDetachedBuffer() || a->isSharedArrayBuffer())
         return b->engine()->throwTypeError();
 
     return Encode(a->d()->data->size);
@@ -175,7 +175,7 @@ ReturnedValue ArrayBufferPrototype::method_slice(const FunctionObject *b, const
 {
     ExecutionEngine *v4 = b->engine();
     const ArrayBuffer *a = thisObject->as<ArrayBuffer>();
-    if (!a)
+    if (!a || a->isDetachedBuffer() || a->isSharedArrayBuffer())
         return v4->throwTypeError();
 
     double start = argc > 0 ? argv[0].toInteger() : 0;