1 files changed, 54 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/user-properties-module.js b/deps/v8/test/mjsunit/wasm/user-properties-module.js
new file mode 100644
index 0000000000..69a1f898d7
--- /dev/null
+++ b/deps/v8/test/mjsunit/wasm/user-properties-module.js
@@ -0,0 +1,54 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --expose-wasm --expose-gc --verify-heap
+
+load("test/mjsunit/wasm/user-properties-common.js");
+
+(function ModuleTest() {
+  for (f of [x => (x + 19 + globalCounter), minus18]) {
+    print("ModuleTest");
+
+    let builder = new WasmModuleBuilder();
+    builder.addImport("m", "f", kSig_i_i);
+    builder.addFunction("main", kSig_i_i)
+      .addBody([
+        kExprGetLocal, 0,
+        kExprCallFunction, 0])
+      .exportAs("main");
+    builder.addMemory(1, 1, false)
+      .exportMemoryAs("memory")
+
+    let module = builder.toModule();
+    testProperties(module);
+
+    for (let i = 0; i < 3; i++) {
+      print("  instance " + i);
+      let instance = new WebAssembly.Instance(module, {m: {f: f}});
+      testProperties(instance);
+
+      print("  memory   " + i);
+      let m = instance.exports.memory;
+      assertInstanceof(m, WebAssembly.Memory);
+      testProperties(m);
+
+      print("  function " + i);
+      let g = instance.exports.main;
+      assertInstanceof(g, Function);
+      printName("before", g);
+      testProperties(g);
+      printName(" after", g);
+      assertInstanceof(g, Function);
+      testProperties(g);
+      for (let j = 10; j < 15; j++) {
+        assertEquals(f(j), g(j));
+      }
+      verifyHeap();
+      // The WASM-internal fields of {g} are only inspected when {g} is
+      // used as an import into another instance. Use {g} as the import
+      // the next time through the loop.
+      f = g;
+    }
+  }
+})();