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package agent
import (
"bytes"
"io"
"testing"
)
func TestGatedWriter_impl(t *testing.T) {
var _ io.Writer = new(GatedWriter)
}
func TestGatedWriter(t *testing.T) {
buf := new(bytes.Buffer)
w := &GatedWriter{Writer: buf}
w.Write([]byte("foo\n"))
w.Write([]byte("bar\n"))
if buf.String() != "" {
t.Fatalf("bad: %s", buf.String())
}
w.Flush()
if buf.String() != "foo\nbar\n" {
t.Fatalf("bad: %s", buf.String())
}
w.Write([]byte("baz\n"))
if buf.String() != "foo\nbar\nbaz\n" {
t.Fatalf("bad: %s", buf.String())
}
}
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