firebird-qa/tests/bugs/gh_6854_test.py

#coding:utf-8
#
# id:           bugs.gh_6854
# title:        Crash occurs when use SIMILAR TO ...
# decription:   
#                   https://github.com/FirebirdSQL/firebird/issues/6854
#               
#               	Confirmed crash on: 5.0.0.78; 4.0.0.2508; 3.0.8.33452
#               	Checked on: 5.0.0.79; 4.0.1.2517; 3.0.8.33474
#                
# tracker_id:   
# min_versions: ['3.0.8']
# versions:     3.0.8
# qmid:         None

import pytest
from firebird.qa import db_factory, isql_act, Action

# version: 3.0.8
# resources: None

substitutions_1 = []

init_script_1 = """"""

db_1 = db_factory(sql_dialect=3, init=init_script_1)

test_script_1 = """
    set list on;
	recreate table test(
	   id int generated by default as identity constraint pk_txt primary key
	  ,txt varchar(1) character set utf8
	);

	insert into test(txt) values('A');
	insert into test(txt) values('B');

	set term ^;
	execute block returns(
		 o_id int
		,o_gds1 int
		,o_gds2 int
	) as
			declare b boolean;
	begin
			for select id, txt from test as cursor c
			do begin
				begin
					b = c.txt similar to 'A{0,1}';
					when any do
							begin
								o_gds1 = gdscode;
							end
				end

				begin
					b = c.txt similar to 'A{X,1}';
					when any do
							begin
								o_gds2 = gdscode;
							end
				end
				o_id = c.id;
				suspend;

			end
	end
	^
	set term ^;
"""

act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)

expected_stdout_1 = """
    O_ID                            1
    O_GDS1                          <null>
    O_GDS2                          335544884
    O_ID                            2
    O_GDS1                          <null>
    O_GDS2                          335544884
"""

@pytest.mark.version('>=3.0.8')
def test_1(act_1: Action):
    act_1.expected_stdout = expected_stdout_1
    act_1.execute()
    assert act_1.clean_stdout == act_1.clean_expected_stdout