You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: object_test.go
    path of file: ./repos/lgo/vendor/go/types
    
    the code of the file until where you have to start completion: // Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types

import "testing"

func TestIsAlias(t *testing.T) {
	check := func(obj *TypeName, want bool) {
		if got := obj.IsAlias(); got != want {
			t.Errorf("%v: got IsAlias = %v; want %v", obj, got, want)
		}
	}

	// predeclared types
	check(Unsafe.Scope().Lookup("Pointer").(*TypeName), false)
	for _, name := range Universe.Names() {
		if obj, _ := Un
    
func TestIsAlias(t *testing.T) {
	check := func(obj *TypeName, want bool) {
		if got := obj.IsAlias(); got != want {
			t.Errorf("%v: got IsAlias = %v; want %v", obj, got, want)
		}
	}

	// predeclared types
	check(Unsafe.Scope().Lookup("Pointer").(*TypeName), false)
	for _, name := range Universe.Names() {
		if obj, _ := Universe.Lookup(name).(*TypeName); obj != nil {
			check(obj, name == "byte" || name == "rune")
		}
	}

	// various other types
	pkg := NewPackage("p", "p")
	t1 := NewTypeName(0, pkg, "t1", nil)
	n1 := NewNamed(t1, new(Struct), nil)
	for _, test := range []struct {
		name  *TypeName
		alias bool
	}{
		{NewTypeName(0, nil, "t0", nil), false},            // no type yet
		{NewTypeName(0, pkg, "t0", nil), false},            // no type yet
		{t1, false},                                        // type name refers to named type and vice versa
		{NewTypeName(0, nil, "t2", &emptyInterface), true}, // type name refers to unnamed type
		{NewTypeName(0, pkg, "t3", n1), true},              // type name refers to named type with different type name
		{NewTypeName(0, nil, "t4", Typ[Int32]), true},      // type name refers to basic type with different name
		{NewTypeName(0, nil, "int32", Typ[Int32]), false},  // type name refers to basic type with same name
		{NewTypeName(0, pkg, "int32", Typ[Int32]), true},   // type name is declared in user-defined package (outside Universe)
		{NewTypeName(0, nil, "rune", Typ[Rune]), true},     // type name refers to basic type rune which is an alias already
	} {
		check(test.name, test.alias)
	}
}