Verify { public static void isValidTableSchema(final TableSchema schema) { checkNotNull(schema); }  static boolean hasAutoIncrementColumn(final TableSchema schema); static void isValidId(final long id, final String... message); static void isNotNullOrEmpty(final String value, final String... message); static void isValidTableSchema(final TableSchema schema); static void isValidIndexSchema(final Collection<IndexSchema> indices,
                                          final Collection<ColumnSchema> columns);  }
@Test(expected = NullPointerException.class) public void testIsValidTableSchemaNullSchema() { Verify.isValidTableSchema(null); }
@Test public void testIsValidTableSchemaValidSchema() { final List<ColumnSchema> columns = ImmutableList.<ColumnSchema>of( ColumnSchema.builder(COLUMN_B, ColumnType.LONG).setIsAutoIncrement(true).build()); Verify.isValidTableSchema(new TableSchema(columns, ImmutableList.<IndexSchema>of())); }