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pending_test.go
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pending_test.go
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package promise
import (
"sync"
"sync/atomic"
"testing"
)
func TestPendingNoValueThenFirst(t *testing.T) {
var u PendingNoValue
var count int32
u.Then(func() {
count += 1
})
u.Resolve()
if count != 1 {
t.Fail()
}
}
func TestPendingNoValueResolveFirst(t *testing.T) {
var u PendingNoValue
var count int32
u.Resolve()
u.Then(func() {
count += 1
})
if count != 1 {
t.Fail()
}
}
func TestPendingThenFirst(t *testing.T) {
var u Pending[int64]
var count int32
u.Then(func(arg1 int64) {
count += 1
})
u.Resolve(10)
if count != 1 {
t.Fail()
}
}
func TestPendingResolveFirst(t *testing.T) {
var u Pending[int64]
var count int32
u.Resolve(10)
u.Then(func(arg1 int64) {
count += 1
})
if count != 1 {
t.Fail()
}
}
func TestPendingRace(t *testing.T) {
var u Pending[int64]
var wg sync.WaitGroup
var count int32
wg.Add(2)
go func() {
defer wg.Done()
u.Then(func(arg1 int64) {
atomic.AddInt32(&count, 1)
if arg1 != 10 {
t.Fail()
}
})
u.Then(func(arg1 int64) {
t.Fail()
})
}()
go func() {
defer wg.Done()
u.Resolve(10)
u.Resolve(11)
u.Resolve(12)
}()
wg.Wait()
if count != 1 {
t.Fail()
}
}
func TestPendingNoValueRace(t *testing.T) {
var u PendingNoValue
var wg sync.WaitGroup
var count int32
wg.Add(2)
go func() {
defer wg.Done()
u.Then(func() {
t.Log("first")
atomic.AddInt32(&count, 1)
})
u.Then(func() {
t.Log("second")
t.Fail()
})
}()
go func() {
defer wg.Done()
u.Resolve()
u.Resolve()
u.Resolve()
}()
wg.Wait()
if count != 1 {
t.Fatal(count)
}
}