var f File
		err := readDirectoryHeader(&f, strings.NewReader(s))
		if err != nil {
			t.Errorf("error reading #%d: %v", i, err)
		}
	}
}

// Verify we return ErrUnexpectedEOF when length is short.
func TestIssue10957(t *testing.T) {
	data := []byte("PK\x03\x040000000PK\x01\x0200000" +
		"0000000000000000000\x00" +
		"\x00\x00\x00\x00\x00000000000000PK\x01" +
		"\x020000000000000000000" +

var testInputrn = []byte("012\r\n345\r\n678\r\n9ab\r\ncde\r\nfgh\r\nijk\r\nlmn\r\nopq\r\nrst\r\nuvw\r\nxy\r\n\n\r\n")

// TestReader wraps a []byte and returns reads of a specific length.
type testReader struct {
	data   []byte
	stride int
}

func (t *testReader) Read(buf []byte) (n int, err error) {
	n = t.stride
	if n > len(t.data) {
		n = len(t.data)
	}
	if n > len(buf) {

			// Knows string layout used by compilers: pointer plus length,
			// which rounds up to 2 pointers after alignment.
			t.Go = c.string
			t.Size = c.ptrSize * 2
			t.Align = c.ptrSize
			break
		}
		if dt.Name == "_GoBytes_" {
			// Special C name for Go []byte type.
			// Knows slice layout used by compilers: pointer, length, cap.
			t.Go = c.Ident("[]byte")
			t.Size = c.ptrSize + 4 + 4