mirror of
https://github.com/gopl-zh/gopl-zh.github.com.git
synced 2024-11-20 05:13:42 +00:00
29 lines
524 B
Go
29 lines
524 B
Go
|
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
|
||
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
||
|
|
|
||
|
|
package bank_test
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sync"
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"gopl.io/ch9/bank2"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestBank(t *testing.T) {
|
||
|
|
// Deposit [1..1000] concurrently.
|
||
|
|
var n sync.WaitGroup
|
||
|
|
for i := 1; i <= 1000; i++ {
|
||
|
|
n.Add(1)
|
||
|
|
go func(amount int) {
|
||
|
|
bank.Deposit(amount)
|
||
|
|
n.Done()
|
||
|
|
}(i)
|
||
|
|
}
|
||
|
|
n.Wait()
|
||
|
|
|
||
|
|
if got, want := bank.Balance(), (1000+1)*1000/2; got != want {
|
||
|
|
t.Errorf("Balance = %d, want %d", got, want)
|
||
|
|
}
|
||
|
|
}
|