Added/Updated tests\bugs\gh_7599_test.py: Checked on 5.0.0.1066

tests/bugs/gh_7599_test.py

@@ -0,0 +1,69 @@
+#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