Files
next.orly.dev/pkg/utils/atomic/pointer_test.go
2025-09-02 20:32:53 +01:00

101 lines
3.0 KiB
Go

// Copyright (c) 2022 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//go:build go1.18
// +build go1.18
package atomic
//
// import (
// "fmt"
// "testing"
//
// "github.com/stretchr/testify/require"
// )
//
// func TestPointer(t *testing.T) {
// type foo struct{ v int }
//
// i := foo{42}
// j := foo{0}
// k := foo{1}
//
// tests := []struct {
// desc string
// newAtomic func() *Pointer[foo]
// initial *foo
// }{
// {
// desc: "New",
// newAtomic: func() *Pointer[foo] {
// return NewPointer(&i)
// },
// initial: &i,
// },
// {
// desc: "New/nil",
// newAtomic: func() *Pointer[foo] {
// return NewPointer[foo](nil)
// },
// initial: nil,
// },
// {
// desc: "zero value",
// newAtomic: func() *Pointer[foo] {
// var p Pointer[foo]
// return &p
// },
// initial: nil,
// },
// }
//
// for _, tt := range tests {
// t.Run(tt.desc, func(t *testing.T) {
// t.Run("Load", func(t *testing.T) {
// atom := tt.newAtomic()
// require.Equal(t, tt.initial, atom.Load(), "Load should report nil.")
// })
//
// t.Run("Swap", func(t *testing.T) {
// atom := tt.newAtomic()
// require.Equal(t, tt.initial, atom.Swap(&k), "Swap didn't return the old value.")
// require.Equal(t, &k, atom.Load(), "Swap didn't set the correct value.")
// })
//
// t.Run("CAS", func(t *testing.T) {
// atom := tt.newAtomic()
// require.True(t, atom.CompareAndSwap(tt.initial, &j), "CAS didn't report a swap.")
// require.Equal(t, &j, atom.Load(), "CAS didn't set the correct value.")
// })
//
// t.Run("Store", func(t *testing.T) {
// atom := tt.newAtomic()
// atom.Store(&i)
// require.Equal(t, &i, atom.Load(), "Store didn't set the correct value.")
// })
// t.Run("String", func(t *testing.T) {
// atom := tt.newAtomic()
// require.Equal(t, fmt.Sprint(tt.initial), atom.String(), "String did not return the correct value.")
// })
// })
// }
// }