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Removed test which depends on CPU manufacturer and (on Windows) MS runtime version.

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zotov 2022-04-08 10:19:30 +03:00
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commit ba568a137e
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tests/functional/datatypes/test_dp_single_bit_in_representation.py
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#coding:utf-8
"""
ID: dp-single-bit-in-representation
TITLE: Check result of EXP() which can be represented only by one ("last") significant bit
DESCRIPTION:
NOTES:
[09.02.2022] pcisar
Fails on Windows 4.0.1 with:
Statement failed, SQLSTATE = 22012
arithmetic exception, numeric overflow, or string truncation
-Floating-point divide by zero. The code attempted to divide a floating-point value by zero.
FBTEST: functional.datatypes.dp_single_bit_in_representation
"""
import pytest
import platform
from firebird.qa import *
db = db_factory()
test_script = """
set list on;
select iif(exp(-745.1332191)=0.0, 0, 1) as still_has_bits from rdb$database;
select iif(exp(-745.1332192)=0.0, 0, 1) as still_has_bits from rdb$database;
select e1,e2, iif(e1=e2, 'equals', 'differs') as e1_equ_e2, e1/e2 as e1_div_e2, e2/e1 as e2_div_e2
from (
select exp(-744.0346068132731393) as e1, exp(-745.1332191019410399) as e2 from rdb$database
);
"""
act = isql_act('db', test_script)
expected_stdout = """
STILL_HAS_BITS 1
STILL_HAS_BITS 0
E1 4.940656458412465e-324
E2 4.940656458412465e-324
E1_EQU_E2 equals
E1_DIV_E2 1.000000000000000
E2_DIV_E2 1.000000000000000
"""
@pytest.mark.version('>=3,<4')
def test_1(act: Action):
act.expected_stdout = expected_stdout
act.execute()
assert act.clean_stdout == act.clean_expected_stdout
# This version was create just to skip version 4 for Windows!
@pytest.mark.skipif(platform.system() == 'Windows', reason='FIXME: see notes')
@pytest.mark.version('>4')
def test_2(act: Action):
act.expected_stdout = expected_stdout
act.execute()
assert act.clean_stdout == act.clean_expected_stdout