Added/Updated tests\bugs\gh_7992_test.py: Checked on 5.0.1.1330, 6.0.0.247.

tests/bugs/gh_7992_test.py

@@ -0,0 +1,52 @@
+#coding:utf-8
+
+"""
+ID:          issue-7992
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7992
+TITLE:       Assertion (space > 0) failure during restore
+DESCRIPTION:
+NOTES:
+    [03.02.2024] pzotov
+    Confirmed problem on 5.0.1.1328, 6.0.0.244 (common builds): restore terminates prematurely, firebird crashes.
+    Checked on 5.0.1.1330, 6.0.0.247.
+"""
+import subprocess
+from pathlib import Path
+import zipfile
+import locale
+import re
+import pytest
+from firebird.qa import *
+from firebird.driver import SrvRestoreFlag
+
+db = db_factory()
+act = python_act('db')
+fbk_file = temp_file('gh_7992.tmp.fbk')
+
+expected_stdout = """
+    gbak:finishing, closing, and going home
+    gbak:adjusting the ONLINE and FORCED WRITES flags
+"""
+
+@pytest.mark.version('>=5.0.1')
+def test_1(act: Action, fbk_file: Path, capsys):
+    zipped_fbk_file = zipfile.Path(act.files_dir / 'gh_7992.zip', at = 'gh_7992.fbk')
+    fbk_file.write_bytes(zipped_fbk_file.read_bytes())
+
+    allowed_patterns = \
+    (
+         'gbak:finishing, closing, and going home'
+        ,'gbak:adjusting the ONLINE and FORCED WRITES flags'
+    )
+    allowed_patterns = [ re.compile(p, re.IGNORECASE) for p in allowed_patterns ]
+
+    with act.connect_server(encoding=locale.getpreferredencoding()) as srv:
+        srv.database.restore(database=act.db.db_path, backup=fbk_file, flags=SrvRestoreFlag.REPLACE, verbose=True)
+        restore_log = srv.readlines()
+        for line in restore_log:
+            if act.match_any(line.strip(), allowed_patterns):
+                print(line)
+
+    act.expected_stdout = expected_stdout
+    act.stdout = capsys.readouterr().out
+    assert act.clean_stdout == act.clean_expected_stdout