testHeader{Header{Name: "small.txt", Size: 5}, nil},
			testWrite{"Kilts", 5, nil},
			testHeader{Header{Name: "dir/"}, nil},
			testClose{nil},
		},
	}}

	equalError := func(x, y error) bool {
		_, ok1 := x.(headerError)
		_, ok2 := y.(headerError)
		if ok1 || ok2 {
			return ok1 && ok2
		}
		return x == y
	}
	for _, v := range vectors {
		t.Run(path.Base(v.file), func(t *testing.T) {

		testReadFile(t, r.File[i], &wt)
	}
}

// TestWriterComment is test for EOCD comment read/write.
func TestWriterComment(t *testing.T) {
	var tests = []struct {
		comment string
		ok      bool
	}{
		{"hi, hello", true},
		{"hi, こんにちわ", true},
		{strings.Repeat("a", uint16max), true},
		{strings.Repeat("a", uint16max+1), false},
	}

	for _, test := range tests {
		// write a zip file