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