28 lines
399 B
Go
28 lines
399 B
Go
package main
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import (
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"bytes"
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"testing"
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)
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func TestCountdown(t *testing.T) {
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buffer := &bytes.Buffer{}
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spySleeper := &SpySleeper{}
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Countdown(buffer, spySleeper)
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got := buffer.String()
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want := `3
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2
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1
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Go!`
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if got != want {
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t.Errorf("got %q want %q", got, want)
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}
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if spySleeper.Calls != 3 {
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t.Errorf("not enough calls to sleeper, want 3 got %d", spySleeper.Calls)
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}
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}
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