The "/test-warning" page:

Test error and warning log operation. This webpage is accessible to the administrator only.

case=1

Issue a fossil_warning() while generating the page.

case=2

Extra db_begin_transaction()

case=3

Extra db_end_transaction()

case=4

Error during SQL processing

case=5

Call the segfault handler

case=6

Call webpage_assert()

case=7

Call webpage_error()