mirror of
https://github.com/golang/go
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44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build vet_test
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// This file contains tests for the atomic checker.
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package main
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import (
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"sync/atomic"
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)
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type Counter uint64
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func AtomicTests() {
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x := uint64(1)
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x = atomic.AddUint64(&x, 1) // ERROR "direct assignment to atomic value"
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_, x = 10, atomic.AddUint64(&x, 1) // ERROR "direct assignment to atomic value"
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x, _ = atomic.AddUint64(&x, 1), 10 // ERROR "direct assignment to atomic value"
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y := &x
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*y = atomic.AddUint64(y, 1) // ERROR "direct assignment to atomic value"
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var su struct{ Counter uint64 }
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su.Counter = atomic.AddUint64(&su.Counter, 1) // ERROR "direct assignment to atomic value"
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z1 := atomic.AddUint64(&su.Counter, 1)
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_ = z1 // Avoid err "z declared and not used"
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var sp struct{ Counter *uint64 }
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*sp.Counter = atomic.AddUint64(sp.Counter, 1) // ERROR "direct assignment to atomic value"
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z2 := atomic.AddUint64(sp.Counter, 1)
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_ = z2 // Avoid err "z declared and not used"
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au := []uint64{10, 20}
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au[0] = atomic.AddUint64(&au[0], 1) // ERROR "direct assignment to atomic value"
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au[1] = atomic.AddUint64(&au[0], 1)
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ap := []*uint64{&au[0], &au[1]}
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*ap[0] = atomic.AddUint64(ap[0], 1) // ERROR "direct assignment to atomic value"
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*ap[1] = atomic.AddUint64(ap[0], 1)
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}
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