diff options
Diffstat (limited to 'deps/v8/test/cctest/compiler/test-run-jsobjects.cc')
-rw-r--r-- | deps/v8/test/cctest/compiler/test-run-jsobjects.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/deps/v8/test/cctest/compiler/test-run-jsobjects.cc b/deps/v8/test/cctest/compiler/test-run-jsobjects.cc new file mode 100644 index 0000000000..242de4dbf7 --- /dev/null +++ b/deps/v8/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()); +} |