37 lines
583 B
Go
37 lines
583 B
Go
// 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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"fmt"
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"testing"
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"gopl.io/ch9/bank1"
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)
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func TestBank(t *testing.T) {
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done := make(chan struct{})
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// Alice
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go func() {
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bank.Deposit(200)
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fmt.Println("=", bank.Balance())
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done <- struct{}{}
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}()
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// Bob
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go func() {
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bank.Deposit(100)
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done <- struct{}{}
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}()
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// Wait for both transactions.
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<-done
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<-done
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if got, want := bank.Balance(), 300; 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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