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Supposing that any monkey hitting keys on a typewriter, serving as a hardcopy
SciTECO terminal, will sooner or later trigger bugs and crash the application,
the new monkey-test.apl script emulates such a monkey.
In fact it's a bit more elaborate as the generated macro follows the frequency
distribution extracted from the corpus of SciTECO macro files (via monkey-parse.apl).
This it is hoped, increases the chance to get into "interesting" parser states.
This also adds a new hidden --sandbox argument, but it works only on FreeBSD (via Capsicum)
so far. In sandbox mode, we cannot open any file or execute external commands.
It is made sure, that SciTECO cannot assert in sandbox mode for scripts that would
run without --sandbox, since assertions are the kind of things we would like to detect.
SciTECO must be sandboxed during "infinite monkey" tests, so it cannot accidentally
do any harm on the system running the tests.
All macros in sandbox mode must currently be passed via --eval.
Alternatively, we could add a test compilation unit and generate the test data
directly in memory via C code.
The new scripts are written in GNU APL 1.9 and will probably work only under FreeBSD.
These scripts are not meant to be run by everyone.
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* You no longer have to copy contrib/scintilla, contrib/scinterm and contrib/lexilla
manually to the build directory.
* It turns out, that Scintilla/Lexilla was supporting this since 2016.
Scintilla allows pointing to a source directory (srdir) and Lexilla to a binary directory (DIR_O).
* For Scinterm I opened a pull request in order to add srcdir/basedir variables:
https://github.com/orbitalquark/scinterm/pull/21
* `make distcheck` is therefore now also fixed.
* The FreeBSD package is now allowed to build out of source.
I haven't tested it yet.
* See also https://github.com/ScintillaOrg/lexilla/issues/266
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* Autotest ships with Autoconf, so it's available already
and relatively easy to integrate into an Autotools package.
* This is attached to `make check` using some Automake magic.
* The test suite will only call the built SciTECO for the time being.
But using tests/Makefile.am, custom programs could be easily
built.
* Since it uses the target sciteco, it cannot work in cross-compile
environments.
* The test suite tests/testsuite.at should be used for regression
tests at least: Whenever there is a bug, a test case should be
added to testsuite.at.
Later this might be split up into multiple includes for regressions
other tests.
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