1 files changed, 63 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/lazy-compilation.js b/deps/v8/test/mjsunit/wasm/lazy-compilation.js
new file mode 100644
index 0000000000..3d840398a8
--- /dev/null
+++ b/deps/v8/test/mjsunit/wasm/lazy-compilation.js
@@ -0,0 +1,63 @@
+// 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: --wasm-lazy-compilation
+
+load('test/mjsunit/wasm/wasm-constants.js');
+load('test/mjsunit/wasm/wasm-module-builder.js');
+
+(function importFromOtherInstance() {
+  print(arguments.callee.name);
+  const builder1 = new WasmModuleBuilder();
+  builder1.addFunction('func', kSig_v_v).addBody([]).exportFunc();
+  const instance1 = builder1.instantiate();
+
+  const builder2 = new WasmModuleBuilder();
+  builder2.addImport('mod', 'fn', kSig_v_v);
+  builder2.instantiate({mod: {fn: instance1.exports.func}});
+})();
+
+(function testWasmToWasmWithDifferentMemory() {
+  print(arguments.callee.name);
+  const builder1 = new WasmModuleBuilder();
+  builder1.addMemory(1, 1, true);
+  builder1.addFunction('store', kSig_v_i)
+      .addBody([
+        kExprI32Const, 0,        // i32.const 1
+        kExprGetLocal, 0,        // get_local 0
+        kExprI32StoreMem, 0, 0,  // i32.store offset=0 align=0
+      ])
+      .exportFunc();
+  const instance1 = builder1.instantiate();
+  const mem1 = new Int32Array(instance1.exports.memory.buffer);
+
+  const builder2 = new WasmModuleBuilder();
+  builder2.addMemory(1, 1, true);
+  builder2.addImport('mod', 'store', kSig_v_i);
+  builder2.addFunction('call_store', kSig_v_i)
+      .addBody([kExprGetLocal, 0, kExprCallFunction, 0])
+      .exportFunc();
+  const instance2 = builder2.instantiate({mod: {store: instance1.exports.store}});
+  const mem2 = new Int32Array(instance2.exports.memory.buffer);
+
+  assertEquals(0, mem1[0]);
+  assertEquals(0, mem2[0]);
+  instance2.exports.call_store(3);
+  assertEquals(3, mem1[0]);
+  assertEquals(0, mem2[0]);
+})();
+
+(function exportImportedFunction() {
+  print(arguments.callee.name);
+  const builder1 = new WasmModuleBuilder();
+  builder1.addFunction('foo', kSig_v_v).addBody([]).exportAs('foo');
+  const instance1 = builder1.instantiate();
+
+  const builder2 = new WasmModuleBuilder();
+  const imp_idx = builder2.addImport('A', 'foo', kSig_v_v);
+  builder2.addExport('foo', imp_idx);
+  const instance2 = builder2.instantiate({A: instance1.exports});
+
+  instance2.exports.foo();
+})();