[Interpreter] Support for operator new.

test/cctest/interpreter/test-interpreter.cc

Index: test/cctest/interpreter/test-interpreter.cc
diff --git a/test/cctest/interpreter/test-interpreter.cc b/test/cctest/interpreter/test-interpreter.cc
index 188b3e61d99c5f8aef53684ba6eeff20819e06ac..22e603883b54d252da431d6bf52acbdab1b282f4 100644
--- a/test/cctest/interpreter/test-interpreter.cc
+++ b/test/cctest/interpreter/test-interpreter.cc
@@ -1637,3 +1637,61 @@ TEST(InterpreterFunctionLiteral) {
       Handle<Smi>(Smi::FromInt(3), handles.main_isolate())).ToHandleChecked();
   CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(5));
 }
+
+
+TEST(InterpreterConstruct) {
+  HandleAndZoneScope handles;
+
+  std::string source(
+      "function counter() { this.count = 0; }\n"
+      "function " +
+      InterpreterTester::function_name() +
+      "() {\n"
+      "  var c = new counter();\n"
+      "  return c.count;\n"
+      "}");
+  InterpreterTester tester(handles.main_isolate(), source.c_str());
+  auto callable = tester.GetCallable<>();
+
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(0));
+}
+
+
+TEST(InterpreterConstructWithArgument) {
+  HandleAndZoneScope handles;
+
+  std::string source(
+      "function counter(arg0) { this.count = 17; this.x = arg0; }\n"
+      "function " +
+      InterpreterTester::function_name() +
+      "() {\n"
+      "  var c = new counter(3);\n"
+      "  return c.x;\n"
+      "}");
+  InterpreterTester tester(handles.main_isolate(), source.c_str());
+  auto callable = tester.GetCallable<>();
+
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(3));
+}
+
+
+TEST(InterpreterConstructWithArguments) {
+  HandleAndZoneScope handles;
+
+  std::string source(
+      "function counter(arg0, arg1) { this.count = 17; this.x = arg0; this.y = "

[rmcilroy, 2015/10/14 10:18:35]

nit - newline after '{'

[oth, 2015/10/14 16:02:19]

Done.

+      "arg1; }\n"
+      "function " +
+      InterpreterTester::function_name() +
+      "() {\n"
+      "  var c = new counter(3, 4);\n"
+      "  return c.y;\n"
+      "}");
+  InterpreterTester tester(handles.main_isolate(), source.c_str());
+  auto callable = tester.GetCallable<>();
+
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(4));
+}