freebsd-src/tests
Eric Badger 21cbd2de3e MFC r313992, r314075, r314118, r315484:
r315484:
    ptrace_test: eliminate assumption about thread scheduling

    A couple of the ptrace tests make assumptions about which thread in a
    multithreaded process will run after a halt. This makes the tests less
    portable across branches, and susceptible to future breakage. Instead,
    twiddle thread scheduling and priorities to match the tests'
    expectation.

r314118:
    Actually fix buildworlds other than i386/amd64/sparc64 after r313992

    Disable offending test for platforms without a userspace visible
    breakpoint().

r314075:
    Fix world build for archs where __builtin_debugtrap() does not work.

    The offending code was introduced in r313992.

r313992:
    Defer ptracestop() signals that cannot be delivered immediately

    When a thread is stopped in ptracestop(), the ptrace(2) user may request
    a signal be delivered upon resumption of the thread. Heretofore, those signals
    were discarded unless ptracestop()'s caller was issignal(). Fix this by
    modifying ptracestop() to queue up signals requested by the ptrace user that
    will be delivered when possible. Take special care when the signal is SIGKILL
    (usually generated from a PT_KILL request); no new stop events should be
    triggered after a PT_KILL.

    Add a number of tests for the new functionality. Several tests were authored
    by jhb.

PR:		212607
Sponsored by:	Dell EMC
2017-03-25 13:33:23 +00:00
..
etc MFC r289172,r290254: 2017-02-09 22:49:48 +00:00
freebsd_test_suite
sys MFC r313992, r314075, r314118, r315484: 2017-03-25 13:33:23 +00:00
Kyuafile
Makefile
README

src/tests: The FreeBSD test suite
=================================

This file describes the build infrastructure of the FreeBSD test suite.
If you are only interested in using the test suite itself, please refer
to tests(7) instead.

The build of the test suite is organized in the following manner:

* The build of all test artifacts is protected by the MK_TESTS knob.
  The user can disable these with the WITHOUT_TESTS setting in
  src.conf(5).

* The goal for /usr/tests/ (the installed test programs) is to follow
  the same hierarchy as /usr/src/ wherever possible, which in turn drives
  several of the design decisions described below.  This simplifies the
  discoverability of tests.  We want a mapping such as:

    /usr/src/bin/cp/      -> /usr/tests/bin/cp/
    /usr/src/lib/libc/    -> /usr/tests/lib/libc/
    /usr/src/usr.bin/cut/ -> /usr/tests/usr.bin/cut/
    ... and many more ...

* Test programs for specific utilities and libraries are located next
  to the source code of such programs.  For example, the tests for the
  src/lib/libcrypt/ library live in src/lib/libcrypt/tests/.  The tests/
  subdirectory is optional and should, in general, be avoided.

* The src/tests/ hierarchy (this directory) provides generic test
  infrastructure and glue code to join all test programs together into
  a single test suite definition.

* The src/tests/ hierarchy also includes cross-functional test programs:
  i.e. test programs that cover more than a single utility or library
  and thus don't fit anywhere else in the tree.  Consider this to follow
  the same rationale as src/share/man/: this directory contains generic
  manual pages while the manual pages that are specific to individual
  tools or libraries live next to the source code.

In order to keep the src/tests/ hierarchy decoupled from the actual test
programs being installed --which is a worthy goal because it simplifies
the addition of new test programs and simplifies the maintenance of the
tree-- the top-level Kyuafile does not know which subdirectories may
exist upfront.  Instead, such Kyuafile automatically detects, at
run-time, which */Kyuafile files exist and uses those directly.

Similarly, every directory in src/ that wants to install a Kyuafile to
just recurse into other subdirectories reuses this Kyuafile with
auto-discovery features.  As an example, take a look at src/lib/tests/
whose sole purpose is to install a Kyuafile into /usr/tests/lib/.
The goal in this specific case is for /usr/tests/lib/ to be generated
entirely from src/lib/.

-- 
$FreeBSD$