Index: test/cctest/compiler/test-run-jsobjects.cc |
diff --git a/test/cctest/compiler/test-run-jsobjects.cc b/test/cctest/compiler/test-run-jsobjects.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..242de4dbf7d3566474d6d1ea2b00147dcb062bfd |
--- /dev/null |
+++ b/test/cctest/compiler/test-run-jsobjects.cc |
@@ -0,0 +1,47 @@ |
+// Copyright 2015 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. |
+ |
+#include "test/cctest/compiler/function-tester.h" |
+ |
+using namespace v8::internal; |
+using namespace v8::internal::compiler; |
+ |
+TEST(ArgumentsMapped) { |
+ FunctionTester T("(function(a) { return arguments; })"); |
+ |
+ Handle<Object> arguments; |
+ T.Call(T.Val(19), T.Val(23), T.Val(42), T.Val(65)).ToHandle(&arguments); |
+ CHECK(arguments->IsJSObject() && !arguments->IsJSArray()); |
+ CHECK(JSObject::cast(*arguments)->HasSloppyArgumentsElements()); |
+ Handle<String> l = T.isolate->factory()->length_string(); |
+ Handle<Object> length = JSObject::GetProperty(arguments, l).ToHandleChecked(); |
+ CHECK_EQ(4, length->Number()); |
+} |
+ |
+ |
+TEST(ArgumentsUnmapped) { |
+ FunctionTester T("(function(a) { 'use strict'; return arguments; })"); |
+ |
+ Handle<Object> arguments; |
+ T.Call(T.Val(19), T.Val(23), T.Val(42), T.Val(65)).ToHandle(&arguments); |
+ CHECK(arguments->IsJSObject() && !arguments->IsJSArray()); |
+ CHECK(!JSObject::cast(*arguments)->HasSloppyArgumentsElements()); |
+ Handle<String> l = T.isolate->factory()->length_string(); |
+ Handle<Object> length = JSObject::GetProperty(arguments, l).ToHandleChecked(); |
+ CHECK_EQ(4, length->Number()); |
+} |
+ |
+ |
+TEST(ArgumentsRest) { |
+ FLAG_harmony_rest_parameters = true; |
+ FunctionTester T("(function(a, ...args) { return args; })"); |
+ |
+ Handle<Object> arguments; |
+ T.Call(T.Val(19), T.Val(23), T.Val(42), T.Val(65)).ToHandle(&arguments); |
+ CHECK(arguments->IsJSObject() && arguments->IsJSArray()); |
+ CHECK(!JSObject::cast(*arguments)->HasSloppyArgumentsElements()); |
+ Handle<String> l = T.isolate->factory()->length_string(); |
+ Handle<Object> length = JSObject::GetProperty(arguments, l).ToHandleChecked(); |
+ CHECK_EQ(3, length->Number()); |
+} |