assertHashBytesThrowsCorrectExceptions(hashFunction);
    assertIndependentHashers(hashFunction);
    assertShortcutsAreEquivalent(hashFunction, 512);
  }

  static void assertHashByteBufferInvariants(HashFunction hashFunction) {
    assertHashByteBufferMatchesBytes(hashFunction);
    assertHashByteBufferExhaustsBuffer(hashFunction);

    assertHashBytesThrowsCorrectExceptions(hashFunction);
    assertIndependentHashers(hashFunction);
    assertShortcutsAreEquivalent(hashFunction, 512);
  }

  static void assertHashByteBufferInvariants(HashFunction hashFunction) {
    assertHashByteBufferMatchesBytes(hashFunction);
    assertHashByteBufferExhaustsBuffer(hashFunction);

// [Buffer.ReadFrom]. As long as the [Buffer] has at least MinRead bytes beyond
// what is required to hold the contents of r, [Buffer.ReadFrom] will not grow the
// underlying buffer.
const MinRead = 512

// ReadFrom reads data from r until EOF and appends it to the buffer, growing
// the buffer as needed. The return value n is the number of bytes read. Any

  }

  /** Create a sufficiently large header set to overflow INITIAL_MAX_FRAME_SIZE bytes.  */
  private fun largeHeaders(): List<Header> {
    val nameValues = arrayOfNulls<String>(32)
    val chars = CharArray(512)
    var i = 0
    while (i < nameValues.size) {
      Arrays.fill(chars, i.toChar())
      val string = String(chars)
      nameValues[i++] = string
      nameValues[i++] = string
    }

	if DB.Dialector.Name() != "mysql" {
		t.Skip()
	}

	type MyTable struct {
		Def string `gorm:"size:512;index:idx_def,unique"`
		Abc string `gorm:"size:65000000"`
	}

	DB.Migrator().DropTable("my_tables")

	sql := "CREATE TABLE `my_tables` (`def` varchar(512),`abc` longtext,UNIQUE INDEX `idx_def` (`def`))"
	if err := DB.Exec(sql).Error; err != nil {
		t.Errorf("Failed, got error: %v", err)

    public int hashCode() {
      return alphabet.hashCode() ^ Objects.hashCode(paddingChar);
    }
  }

  private static final class Base16Encoding extends StandardBaseEncoding {
    final char[] encoding = new char[512];

    Base16Encoding(String name, String alphabetChars) {
      this(new Alphabet(name, alphabetChars.toCharArray()));
    }

    private Base16Encoding(Alphabet alphabet) {
      super(alphabet, null);

			testClose{nil},
		},
	}, {
		// The truncated test file was produced using these commands:
		//   dd if=/dev/zero bs=1048576 count=16384 > /tmp/16gig.txt
		//   tar -b 1 -c -f- /tmp/16gig.txt | dd bs=512 count=8 > writer-big.tar
		file: "testdata/writer-big.tar",
		tests: []testFnc{
			testHeader{Header{
				Typeflag: TypeReg,
				Name:     "tmp/16gig.txt",
				Size:     16 << 30,
				Mode:     0640,

	CADDI16SP $16, X5				// ERROR "rd must be SP/X2"
	CADDI16SP $-513, SP				// ERROR "must be in range [-512, 511]"
	CADDI16SP $20, SP				// ERROR "must be a multiple of 16"
	CADDI16SP $512, SP				// ERROR "must be in range [-512, 511]"
	CADDI4SPN $4, SP, X5				// ERROR "expected integer prime register in rd"
	CADDI4SPN $4, X5, X10				// ERROR "SP/X2 must be in rs1"

</li>
<li>
<code>TLSBSS</code> = 256
<br>
(For <code>DATA</code> and <code>GLOBL</code> items.)
Put this data in thread local storage.
</li>
<li>
<code>NOFRAME</code> = 512
<br>
(For <code>TEXT</code> items.)
Do not insert instructions to allocate a stack frame and save/restore the return
address, even if this is not a leaf function.
Only valid on functions that declare a frame size of 0.

	CADD	$31, X5					// fd02
	CADDI	$-32, X5				// 8112
	CADDI	$31, X5					// fd02
	CADDW	$-32, X5				// 8132
	CADDW	$31, X5					// fd22
	CADDIW	$-32, X5				// 8132
	CADDIW	$31, X5					// fd22
	CADDI16SP $-512, SP				// 0171
	CADDI16SP $496, SP				// 7d61
	CADDI4SPN $4, SP, X10				// 4800
	CADDI4SPN $1020, SP, X10			// e81f
	CSLLI	$63, X5					// fe12
	CSRLI	$63, X10				// 7d91
	CSRAI	$63, X10				// 7d95