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firebird-qa/tests/functional/intfunc/math/test_acos_01.py

30 lines
708 B
Python

#coding:utf-8
"""
ID: intfunc.math.acos
TITLE: ACOS( <number> )
DESCRIPTION:
Returns the arc cosine of a number. Argument to ACOS must be in the range -1 to 1.
Returns a value in the range 0 to PI. er.
FBTEST: functional.intfunc.math.acos_01
"""
import pytest
from firebird.qa import db_factory, isql_act, Action
db = db_factory()
act = isql_act('db', "select cast( ACOS( 1 ) AS DECIMAL(18,15)) from rdb$database;")
expected_stdout = """
CAST
=====================
0.000000000000000
"""
@pytest.mark.version('>=3')
def test_1(act: Action):
act.expected_stdout = expected_stdout
act.execute()
assert act.clean_stdout == act.clean_expected_stdout