for _, tt := range RunesTests {
		tin := []byte(tt.in)
		a := Runes(tin)
		if !slices.Equal(a, tt.out) {
			t.Errorf("Runes(%q) = %v; want %v", tin, a, tt.out)
			continue
		}
		if !tt.lossy {
			// can only test reassembly if we didn't lose information
			s := string(a)
			if s != tt.in {
				t.Errorf("string(Runes(%q)) = %x; want %x", tin, s, tin)
			}
		}
	}
}

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return nil, errors.New("pbkdf2: keyLength too long") } var buf [4]byte dk := make([]byte, 0, numBlocks*hashLen) U := make([]byte, hashLen) for block := 1; block <= numBlocks; block++ { // N.B.: || means concatenation, ^ means XOR // for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter // U_1 = PRF(password, salt || uint(i)) prf.Reset() prf.Write(salt) buf[0] = byte(block >> 24) buf[1] = byte(block >> 16) buf[2] = byte(block >> 8) buf[3] = byte(block) prf.Write(buf[:4]) dk = prf.Sum(dk) T := dk[len(dk)-hashLen:]...