// which contains no body.
func TestZeroLengthHeader(t *testing.T) {
	h := FileHeader{
		Name:   "extadata.txt",
		Method: Deflate,
		Extra: []byte{
			85, 84, 5, 0, 3, 154, 144, 195, 77, // tag 21589 size 5
			85, 120, 0, 0, // tag 30805 size 0
		},
	}
	testValidHeader(&h, t)
}

// Just benchmarking how fast the Zip64 test above is. Not related to

	MOVHU.W 192(R3), R2                        // 620c4c78
	MOVHU 6844(R4), R19                        // 93787579
	MOVHU (R5)(R25.SXTW), R15                  // afc87978
	//TODO MOVBW.P 77(R19), R11                // 6bd6c438
	MOVB.P 36(RSP), R27                        // fb478238
	//TODO MOVBW.W -57(R19), R13               // 6d7edc38
	MOVB.W -178(R16), R24                      // 18ee9438

		{sr("a", prefixSize) + "/" + sr("b", nameSize),
			sr("a", prefixSize), sr("b", nameSize), true},
		{sr("a", prefixSize) + "//" + sr("b", nameSize), "", "", false},
		{sr("a/", nameSize), sr("a/", 77) + "a", sr("a/", 22), true},
	}

	for _, v := range vectors {
		prefix, suffix, ok := splitUSTARPath(v.input)
		if prefix != v.prefix || suffix != v.suffix || ok != v.ok {