// one of these values, and verify that that's also an
		// error. Currently, the reader code doesn't verify the
		// fileheader and TOC's crc32 match if they're both
		// non-zero and only the second line above, the TOC,
		// is what matters.
	})
}

// rZipBytes returns the bytes of a recursive zip file, without
// putting it on disk and triggering certain virus scanners.
func rZipBytes() []byte {
	s := `

	PRFM	8(R12), PLIL3STRM               // 8d0580f9
	PRFM	(R8), $25                       // 190180f9
	PRFM	8(R9), $30                      // 3e0580f9
	NOOP                                    // 1f2003d5
	HINT $0                                 // 1f2003d5
	DMB	$1
	SVC

// encryption
	SHA256H	V9.S4, V3, V2                   // 6240095e
	SHA256H2	V9.S4, V4, V3           // 8350095e

	tests := [...]struct {
		s      string
		count  int
		errStr string
	}{
		0: {"--", -2147483647, "negative"},
		1: {"", int(^uint(0) >> 1), ""},
		2: {"-", 10, ""},
		3: {"gopher", 0, ""},
		4: {"-", -1, "negative"},
		5: {"--", -102, "negative"},
		6: {string(make([]byte, 255)), int((^uint(0))/255 + 1), "overflow"},
	}

	for i, tt := range tests {