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History log of /src/tests/usr.bin/xlint/lint1/msg_230.c
RevisionDateAuthorComments
 1.14  07-Jul-2023  rillig lint: warn about function definitions without header declaration

The existing warning was only issued for function declarations, not for
function definitions.

The interesting change in the tests is in msg_351.c. Many other tests
use non-static functions due to their syntactic brevity. In these
tests, the warning is disabled individually, to allow new functions to
be added without generating warning 351.
 1.13  24-Jun-2023  rillig lint: don't warn about comparison between char and character constant
 1.12  22-Feb-2023  rillig lint: fix confusing message about nonportable character constants
 1.11  26-Feb-2022  rillig tests/lint: sync tests for platform-dependent character comparisons
 1.10  09-Oct-2021  rillig tests/lint: demonstrate wrong warning about nonportable char comparison

Seen in bin/sh/expand.c:273.
 1.9  09-Oct-2021  rillig lint: add more details to warning about nonportable character comparison

Especially when macros are involved, this makes it easier to see that
there is a real problem.

Seen in bin/sh/expand.c:273, where a plain char is compared to numbers
larger than 127.
 1.8  28-Aug-2021  rillig tests/lint: align tests for unsigned char and signed char
 1.7  28-Aug-2021  rillig tests/lint: extend test for nonportable character comparison
 1.6  23-Aug-2021  rillig tests/lint: add tests for integer comparisons
 1.5  21-Aug-2021  rillig tests/lint: guard against typos in test environment configuration

Some tests had "lint1-only-if" without a trailing colon, others included
the trailing colon. The tests that included the trailing colon were run
even though they were supposed to be skipped, and they failed, as could
be expected.

To prevent further typos, always require the trailing colon, just as in
"lint1-flags" and fail fast on unknown "lint1" comments.
 1.4  03-Jul-2021  rillig tests/lint: fix test for character comparison on macppc

On macppc, char == unsigned char, which generates one more warning than
on platforms where char == signed char.
 1.3  31-Jan-2021  rillig lint: add expections to tests

msg_098: fix suffix for floating point constant
msg_127: remove prototype
msg_146: fix return type
 1.2  03-Jan-2021  rillig lint: add tests for some of the messages
 1.1  02-Jan-2021  rillig lint: add a test for each message produced by lint1

Having a test for each message ensures that upcoming refactorings don't
break the basic functionality. Adding the tests will also discover
previously unknown bugs in lint.

The tests ensure that every lint message can actually be triggered, and
they demonstrate how to do so. Having a separate file for each test
leaves enough space for documenting historical anecdotes, rationale or
edge cases, keeping them away from the source code.

The interesting details of this commit are in Makefile and
t_integration.sh. All other files are just auto-generated.

When running the tests as part of ATF, they are packed together as a
single test case. Conceptually, it would have been better to have each
test as a separate test case, but ATF quickly becomes very slow as soon
as a test program defines too many test cases, and 50 is already too
many. The time complexity is O(n^2), not O(n) as one would expect.
It's the same problem as in tests/usr.bin/make, which has over 300 test
cases as well.

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