A test of WasmMemoryObject::Buffer().

Author: iamstolis

graal-nodejs/test/graal/unit/wasm_memory.cc

@@ -97,4 +97,11 @@ EXPORT_TO_JS(CheckBackingStore) {
     args.GetReturnValue().Set(true);
 }
 
+// WasmMemoryObject::Buffer
+
+EXPORT_TO_JS(Buffer) {
+    Local<WasmMemoryObject> memory = args[0].As<WasmMemoryObject>();
+    args.GetReturnValue().Set(memory->Buffer());
+}
+
 #undef SUITE

graal-nodejs/test/graal/unit/wasm_memory.js

@@ -117,6 +117,11 @@ if (typeof WebAssembly !== 'undefined') {
         }));
         assert.strictEqual(calls, 6);
       }).timeout(5000);
+      
+      it('Buffer() should return the underlying ArrayBuffer', function() {
+        let memory = new WebAssembly.Memory({ initial: 1 });
+        assert.strictEqual(module.WasmMemory_Buffer(memory), memory.buffer);
+      });
     });
   });
 }