s, err := r.ReadLine()
	if err != nil {
		t.Fatalf("Line 1: %v", err)
	}
	if s != line {
		t.Fatalf("%v-byte line does not match expected %v-byte line", len(s), len(line))
	}
}

func TestReadContinuedLine(t *testing.T) {
	r := reader("line1\nline\n 2\nline3\n")
	s, err := r.ReadContinuedLine()
	if s != "line1" || err != nil {
		t.Fatalf("Line 1: %s, %v", s, err)
	}
	s, err = r.ReadContinuedLine()