testTCPConnectionCloses(t, "GET / HTTP/1.0\r\n\r\n", HandlerFunc(func(w ResponseWriter, r *Request) {
		ServeFile(w, r, "testdata/file")
	}))
}

// TestClientCanClose verifies that clients can also force a connection to close.
func TestClientCanClose(t *testing.T) {
	testTCPConnectionCloses(t, "GET / HTTP/1.1\r\nHost: foo\r\nConnection: close\r\n\r\n", HandlerFunc(func(w ResponseWriter, r *Request) {
		// Nothing.
	}))