package main

import (
	"io/ioutil"
	"testing"
)

func Test_Tape_Write(t *testing.T) {
	file, clean := createTempFile(t, "12345")
	defer clean()

	tape := Tape{File: file}

	tape.Write([]byte("foo"))

	file.Seek(0, 0)
	contents, _ := ioutil.ReadAll(file)

	got := string(contents)
	want := "foo"

	if got != want {
		t.Errorf("got %v want %v", got, want)
	}
}