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20 lines
368 B
Go
20 lines
368 B
Go
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package utils
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import (
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"bytes"
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"testing"
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)
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func TestOnceWriter(t *testing.T) {
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innerWriter := bytes.NewBuffer(nil)
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counter := 0
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onceWriter := NewOnceWriter(innerWriter, func() {
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counter += 1
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})
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_, _ = onceWriter.Write([]byte("hello"))
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_, _ = onceWriter.Write([]byte("hello"))
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if counter != 1 {
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t.Errorf("expected counter to be 1, got %d", counter)
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}
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}
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