github.com/azazeal/revive@v1.0.9/testdata/atomic.go (about)

     1  package fixtures
     2  
     3  import (
     4  	"sync/atomic"
     5  )
     6  
     7  type Counter uint64
     8  
     9  func AtomicTests() {
    10  	x := uint64(1)
    11  	x = atomic.AddUint64(&x, 1)        // MATCH /direct assignment to atomic value/
    12  	_, x = 10, atomic.AddUint64(&x, 1) // MATCH /direct assignment to atomic value/
    13  	x, _ = atomic.AddUint64(&x, 1), 10 // MATCH /direct assignment to atomic value/
    14  
    15  	y := &x
    16  	*y = atomic.AddUint64(y, 1) // MATCH /direct assignment to atomic value/
    17  
    18  	var su struct{ Counter uint64 }
    19  	su.Counter = atomic.AddUint64(&su.Counter, 1) // MATCH /direct assignment to atomic value/
    20  	z1 := atomic.AddUint64(&su.Counter, 1)
    21  	_ = z1 // Avoid err "z declared and not used"
    22  
    23  	var sp struct{ Counter *uint64 }
    24  	*sp.Counter = atomic.AddUint64(sp.Counter, 1) // MATCH /direct assignment to atomic value/
    25  	z2 := atomic.AddUint64(sp.Counter, 1)
    26  	_ = z2 // Avoid err "z declared and not used"
    27  
    28  	au := []uint64{10, 20}
    29  	au[0] = atomic.AddUint64(&au[0], 1) // MATCH /direct assignment to atomic value/
    30  	au[1] = atomic.AddUint64(&au[0], 1)
    31  
    32  	ap := []*uint64{&au[0], &au[1]}
    33  	*ap[0] = atomic.AddUint64(ap[0], 1) // MATCH /direct assignment to atomic value/
    34  	*ap[1] = atomic.AddUint64(ap[0], 1)
    35  }
    36  
    37  type T struct{}
    38  
    39  func (T) AddUint64(addr *uint64, delta uint64) uint64 { return 0 }
    40  
    41  func NonAtomic() {
    42  	x := uint64(1)
    43  	var atomic T
    44  	x = atomic.AddUint64(&x, 1) // MATCH /direct assignment to atomic value/
    45  }