Added/Updated tests\bugs\gh_8108_test.py: Checked on intermediate snapshots: 6.0.0.351 #02ef0c8, 5.0.1.1399 #5b8b57c, 4.0.5.3099 #bc1ad78

tests/bugs/gh_8108_test.py

@@ -0,0 +1,49 @@
+#coding:utf-8
+
+"""
+ID:          issue-8108
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/8108
+TITLE:       Engine returns empty string when unable to translate Unicode symbol into ICU-codepage.
+DESCRIPTION:
+NOTES:
+    [15.05.2024] pzotov
+    Confirmed ticket notes on 4.0.5.3092: empty string is returned instead of error with SQLSTATE = 22018.
+    Checked on intermediate snapshots: 6.0.0.351 #02ef0c8, 5.0.1.1399 #5b8b57c, 4.0.5.3099 #bc1ad78
+"""
+
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+test_script = """
+    set list on;
+
+    -- Hangul Choseong Filler
+    -- x115F;
+    -- FB3 returns an error, FB4 OK (an error is expected)
+    select '>' || cast(_utf8 'ᅟ' as varchar(1) character set tis620) || '<'  from rdb$database;
+    --select '>' || cast( cast(unicode_char(0x115f) as varchar(1) character set utf8) as varchar(1) character set tis620) || '<' from rdb$database;
+
+    -- FB3 and FB4 return an error (it is OK)
+    select '>' || cast(_utf8 'ᅟ' as varchar(1) character set win1251) || '<'  from rdb$database;
+    --select '>' || cast( cast(unicode_char(0x115f) as varchar(1) character set utf8) as varchar(1) character set win1251) || '<' from rdb$database;
+"""
+
+act = isql_act('db', test_script, substitutions=[('[ \t]+', ' ')])
+
+expected_stdout = """
+    Statement failed, SQLSTATE = 22018
+    arithmetic exception, numeric overflow, or string truncation
+    -Cannot transliterate character between character sets
+
+    Statement failed, SQLSTATE = 22018
+    arithmetic exception, numeric overflow, or string truncation
+    -Cannot transliterate character between character sets
+"""
+
+@pytest.mark.version('>=4.0.5')
+def test_1(act: Action):
+    act.expected_stdout = expected_stdout
+    act.execute(combine_output = True)
+    assert act.clean_stdout == act.clean_expected_stdout