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