func TestAutoMigrateNullable(t *testing.T) {
	type MigrateNullableColumn struct {
		ID    uint
		Bonus float64 `gorm:"not null"`
		Stock float64
	}

	DB.Migrator().DropTable(&MigrateNullableColumn{})

	DB.AutoMigrate(&MigrateNullableColumn{})

	type MigrateNullableColumn2 struct {
		ID    uint
		Bonus float64
		Stock float64 `gorm:"not null"`
	}

  public static CharMatcher isNot(char match) {
    return new IsNot(match);
  }

  /**
   * Returns a {@code char} matcher that matches any BMP character present in the given character
   * sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher anyOf(CharSequence sequence) {
    switch (sequence.length()) {
      case 0:
        return none();
      case 1:

    createNewCache()
    assertGarbageFilesAllDeleted()
  }

  @Test
  fun openWithInvalidJournalLineClearsDirectory() {
    cache.close()
    generateSomeGarbageFiles()
    createJournal("CLEAN k1 1 1", "BOGUS")
    createNewCache()
    assertGarbageFilesAllDeleted()
    assertThat(cache["k1"]).isNull()
  }

  @Test
  fun openWithInvalidFileSizeClearsDirectory() {
    cache.close()

  @Test fun bogusDataFrameDoesNotDisruptConnection() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK
    peer.sendFrame().data(true, 41, Buffer().writeUtf8("bogus"), 5)
    peer.acceptFrame() // RST_STREAM
    peer.sendFrame().ping(false, 2, 0)
    peer.acceptFrame() // PING
    peer.play()

    // Play it back.
    connect(peer)

  EXPECT_EQ(attr_value.type(), tensorflow::DT_INT32);

  // Test not found errors in TF_Operation*() query functions.
  EXPECT_EQ(-1, TF_OperationOutputListLength(feed, "bogus", s));
  EXPECT_EQ(TF_INVALID_ARGUMENT, TF_GetCode(s));

  ASSERT_FALSE(GetAttrValue(feed, "missing", &attr_value, s));
  EXPECT_EQ(std::string("Operation 'feed' has no attr named 'missing'."),