Upload Kmake

deps/v8/test/unittests/compiler/run-jsobjects-unittest.cc

@@ -0,0 +1,62 @@
+// Copyright 2022 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 "src/execution/isolate.h"
+#include "src/heap/factory.h"
+#include "src/objects/objects-inl.h"
+#include "test/unittests/compiler/function-tester.h"
+#include "test/unittests/test-utils.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+using RunJSObjectsTest = TestWithContext;
+
+TEST_F(RunJSObjectsTest, ArgumentsMapped) {
+  FunctionTester T(i_isolate(), "(function(a) { return arguments; })");
+
+  DirectHandle<JSAny> arguments = Cast<JSAny>(
+      T.Call(T.NewNumber(19), T.NewNumber(23), T.NewNumber(42), T.NewNumber(65))
+          .ToHandleChecked());
+  CHECK(IsJSObject(*arguments) && !IsJSArray(*arguments));
+  CHECK(Cast<JSObject>(*arguments)->HasSloppyArgumentsElements());
+  DirectHandle<String> l = T.isolate->factory()->length_string();
+  DirectHandle<Object> length =
+      Object::GetProperty(T.isolate, arguments, l).ToHandleChecked();
+  CHECK_EQ(4, Object::NumberValue(*length));
+}
+
+TEST_F(RunJSObjectsTest, ArgumentsUnmapped) {
+  FunctionTester T(i_isolate(),
+                   "(function(a) { 'use strict'; return arguments; })");
+
+  DirectHandle<JSAny> arguments = Cast<JSAny>(
+      T.Call(T.NewNumber(19), T.NewNumber(23), T.NewNumber(42), T.NewNumber(65))
+          .ToHandleChecked());
+  CHECK(IsJSObject(*arguments) && !IsJSArray(*arguments));
+  CHECK(!Cast<JSObject>(*arguments)->HasSloppyArgumentsElements());
+  DirectHandle<String> l = T.isolate->factory()->length_string();
+  DirectHandle<Object> length =
+      Object::GetProperty(T.isolate, arguments, l).ToHandleChecked();
+  CHECK_EQ(4, Object::NumberValue(*length));
+}
+
+TEST_F(RunJSObjectsTest, ArgumentsRest) {
+  FunctionTester T(i_isolate(), "(function(a, ...args) { return args; })");
+
+  DirectHandle<JSAny> arguments = Cast<JSAny>(
+      T.Call(T.NewNumber(19), T.NewNumber(23), T.NewNumber(42), T.NewNumber(65))
+          .ToHandleChecked());
+  CHECK(IsJSObject(*arguments) && IsJSArray(*arguments));
+  CHECK(!Cast<JSObject>(*arguments)->HasSloppyArgumentsElements());
+  DirectHandle<String> l = T.isolate->factory()->length_string();
+  DirectHandle<Object> length =
+      Object::GetProperty(T.isolate, arguments, l).ToHandleChecked();
+  CHECK_EQ(3, Object::NumberValue(*length));
+}
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8