firebird-qa/tests/bugs/gh_7599_test.py

#coding:utf-8

"""
ID:          issue-7599
ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7599
TITLE:       Conversion of text with '\0' to DECFLOAT without errors.
DESCRIPTION:
    Checked on 5.0.0.1066.
"""

import pytest
from firebird.qa import *

db = db_factory()

act = python_act('db')

expected_stdout = """
    Statement failed, SQLSTATE = 22018
    conversion error from string "123#x00321"

    CASE_02                                                           -0E+6111

    Statement failed, SQLSTATE = 22018
    Decimal float invalid operation.  An indeterminant error occurred during an operation.
    -conversion error from string "<Too long string or can't be translated>"

    CASE_04                                                                  0

    Statement failed, SQLSTATE = 22001
    arithmetic exception, numeric overflow, or string truncation
    -string right truncation
    -expected length 1024, actual 1025
"""

@pytest.mark.version('>=5.0')
def test_1(act: Action):
    test_sql = """
        set list on;
        --set echo on;

        -- must FAIL with:
        -- Statement failed, SQLSTATE = 22018
        -- conversion error from string "123#x00321"
        select cast( '123' || x'00' || '321' as decfloat(34)) as case_01 from rdb$database;

        -- must PASS with result = -0E+6111
        select cast('-0000000000000000000000000000000000000000000000000000000000000000000000000000000.E+7000' as decfloat(34)) as case_02 from rdb$database;

        -- must FAIL with:
        -- Statement failed, SQLSTATE = 22018
        -- Decimal float invalid operation.  An indeterminant error occurred during an operation.
        -- -conversion error from string "<Too long string or can't be translated>"
        select cast( '0000000000000000000000000000000000000000000000000000000000000000000000000.0000000000000000000000000000000000000000000000000000000000000000000000000.E+0' as decfloat(34)) as case_03 from rdb$database;

        -- must PASS with result = 0
        select cast( '0.E0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' as decfloat(34)) as case_04 from rdb$database;

        -- must FAIL with 
        -- Statement failed, SQLSTATE = 22001
        -- arithmetic exception, numeric overflow, or string truncation
        -- -string right truncation
        -- -expected length 1024, actual 1025
        select cast( '0.E00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' as decfloat(34)) as case_05 from rdb$database;

    """
    act.expected_stdout = expected_stdout
    act.isql(switches=['-q'], input = test_sql, combine_output = True)
    assert act.clean_stdout == act.clean_expected_stdout