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authorSverker Eriksson <[email protected]>2016-02-24 17:55:04 +0100
committerSverker Eriksson <[email protected]>2016-02-24 17:55:04 +0100
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-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE chapter SYSTEM "chapter.dtd">
-
-<chapter>
- <header>
- <copyright>
- <year>2004</year><year>2013</year>
- <holder>Ericsson AB. All Rights Reserved.</holder>
- </copyright>
- <legalnotice>
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-
- </legalnotice>
-
- <title>APPLICATION Release Notes</title>
- <prepared>Peter Andersson</prepared>
- <responsible>Peter Andersson</responsible>
- <docno></docno>
- <approved></approved>
- <checked></checked>
- <date>2007-11-30</date>
- <rev>A</rev>
- <file>notes.xml</file>
- </header>
-
-<section><title>Test_Server 3.9.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- When generating Makefile from Makefile.src,
- ts_lib:get_arg/4 earlier removed all spaces in the
- extracted argument. The code was probably meant for
- removing leading and trailing spaces only, and is now
- corrected to do so.</p>
- <p>
- Own Id: OTP-13015</p>
- </item>
- <item>
- <p>
- With the Common Test 'create_priv_dir' start option set
- to 'auto_per_tc', the name of the priv directory for a
- configuration function could clash with the name of the
- priv directory for a test case, which would cause Test
- Server failure. This error has been corrected.</p>
- <p>
- Own Id: OTP-13181</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.9</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The status of an aborted test due to test suite
- compilation error has changed from 'auto_skipped' to
- 'failed'. This affects both the textual log file, event
- handling and CT hook callbacks. The logging of
- compilation failures has also been improved, especially
- in the case of multiple test suites failing compilation.</p>
- <p>
- Own Id: OTP-10816</p>
- </item>
- <item>
- <p>
- The Test Server source code parser (erl2html2) failed to
- handle the macro tuple in the syntax tree returned by
- epp_dodger. This error has been corrected.</p>
- <p>
- Own Id: OTP-12740</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The Test Server application has been marked as obsolete
- and will be removed from OTP in the next major release
- (OTP 19.0).</p>
- <p>
- Own Id: OTP-10923 Aux Id: OTP-12705 </p>
- </item>
- <item>
- <p>
- When running OTP tests using the ts interface, it is now
- possible to specify so called test categories per OTP
- application. A test category is represented by a CT test
- specification and defines an arbitrary subset of existing
- test suites, groups and cases. Examples of test
- categories are 'smoke' (smoke tests) and 'bench'
- (benchmarks). (Call ts:help() for more info). Also,
- functions for reading terms from the current test
- specification during test, ct:get_testspec_terms/0 and
- ct:get_testspec_terms/1, have been implemented.</p>
- <p>
- Own Id: OTP-11962</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.8.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- If the last expression in a test case causes a timetrap
- timeout, the stack trace is ignored and not printed to
- the test case log file. This happens because the
- {Suite,TestCase,Line} info is not available in the stack
- trace in this scenario, due to tail call elimination.
- Common Test has been modified to handle this situation by
- inserting a {Suite,TestCase,last_expr} tuple in the
- correct place and printing the stack trace as expected.</p>
- <p>
- Own Id: OTP-12697 Aux Id: seq12848 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.8</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- When installing test suites in a cross compilation
- environment, ts_install was not able to read the values
- of the environment variables specified in the
- configuration file. This has been fixed.</p>
- <p>
- Own Id: OTP-11441</p>
- </item>
- <item>
- <p>
- Printouts by means of ct:log/2/3 or ct:pal/2/3 from the
- hook functions on_tc_fail/2 and on_tc_skip/2 would (quite
- unexpectedly) end up in the "unexpected i/o" log file
- instead of in the test case log file. This behaviour has
- been changed so that now, all printouts (including stdio
- printouts) from these hook functions will be routed to
- the test case log file.</p>
- <p>
- Own Id: OTP-12468</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The format of the information printed on top of the test
- case (and configuration function) log file has been
- slightly modified, mainly in order to make the start
- configuration data easier to read and interpret.</p>
- <p>
- Own Id: OTP-12518 Aux Id: seq12808 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.7.2</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The source code to html code generator in Test Server
- (and Common Test) would fail to generate anchors in the
- html code for functions with non-expandable macros,
- resulting in bad html links to such functions. This
- correction lets the code generator ignore macros that
- can't be expanded (i.e. not pre-process them), so that
- correct anchors will always be produced.</p>
- <p>
- Own Id: OTP-11766 Aux Id: seq12556 </p>
- </item>
- <item>
- <p>
- Make sure to install .hrl files when needed</p>
- <p>
- Own Id: OTP-12197</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Distribute <c>autoconf</c> helpers to applications at
- build time instead of having multiple identical copies
- committed in the repository.</p>
- <p>
- Own Id: OTP-12348</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.7.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The mechanism for running code cover analysis with
- common_test has been improved. Earlier, if a test run
- consisted of multiple tests, cover would be started and
- stopped for each test. This would give "intermediate"
- cover logs available from the "Coverage log" link on the
- test suite result pages. To accumulate cover data over
- all tests, the 'export' option had to be used in the
- cover spec file. This was not well documented, and the
- functionality was quite confusing.</p>
- <p>
- Using the 'nodes' option in the cover spec file would
- fail when the test run consisted of multiple tests, since
- the specified nodes would only be included in the cover
- analysis of the first test.</p>
- <p>
- The repeated compilation and analysis of the same modules
- was also very time consuming.</p>
- <p>
- To overcome these problems, ct will now only cover
- compile and analyze modules once per test run, i.e. once
- for each cover spec file. The log file is available via a
- new button on the top level index page. The old "Coverage
- log" links on the test suite result pages still exist,
- but they all point to the same log containing the
- accumulated result.</p>
- <p>
- Own Id: OTP-11971</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.7</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Application upgrade (appup) files are corrected for the
- following applications: </p>
- <p>
- <c>asn1, common_test, compiler, crypto, debugger,
- dialyzer, edoc, eldap, erl_docgen, et, eunit, gs, hipe,
- inets, observer, odbc, os_mon, otp_mibs, parsetools,
- percept, public_key, reltool, runtime_tools, ssh,
- syntax_tools, test_server, tools, typer, webtool, wx,
- xmerl</c></p>
- <p>
- A new test utility for testing appup files is added to
- test_server. This is now used by most applications in
- OTP.</p>
- <p>
- (Thanks to Tobias Schlager)</p>
- <p>
- Own Id: OTP-11744</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Calls to erlang:open_port/2 with 'spawn' are updated to
- handle space in the command path.</p>
- <p>
- Own Id: OTP-10842</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.6.4</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>The way Common Test handles skipping of test cases has
- been updated. In previous versions, returning
- <c>{skip,Reason}</c> from a configuration function (such
- as init_per_suite or init_per_group), resulted in all
- affected test cases getting skipped with status
- <c>auto_skipped</c>. This was inappropriate, since this
- status is supposed to be used to inform that Common Test
- has taken the initiative to skip something (e.g. a test
- case group if init_per_group failed). Therefore, in this
- version of Common Test, whenever the user skips a suite,
- group, or individual test case (by means of a
- configuration function or test specification term), the
- affected test cases get the status <c>user_skipped</c>
- instead.</p> <p>This update has meant a few changes that
- may affect Common Test users in various ways:</p> <list>
- <item>The test results and statistics will be affected,
- which is important to know when running regression tests
- and comparing results to previous test runs.</item>
- <item>Users that read or parse the textual log file
- <c>suite.log</c> will notice that an auto skipped
- function is now reported as <c>auto_skipped</c> rather
- than <c>skipped</c> as before.</item> <item>When
- <c>require</c> fails in an info function (such as suite/0
- or group/1), all affected configuration functions and
- test cases are marked as <c>auto_skipped</c>.</item>
- <item>If Common Test detects an error in the test suite
- (such as e.g. an invalid all/0 function), all affected
- configuration functions and test cases are marked as
- <c>auto_skipped</c>.</item> <item>If a repeated test run
- session reaches a deadline with <c>force_stop</c>
- enabled, all remaining test cases are marked as
- <c>auto_skipped</c> rather than <c>user_skipped</c> as
- before.</item> <item>The event messages that Common Test
- generates during test runs have been affected by this
- update. For details see OTP-11524.</item> </list>
- <p>
- Own Id: OTP-11305 Aux Id: OTP-11524 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.6.3</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Test Server installed an error handler (test_server_h)
- only to be able to write the name of the current test
- case to stdout whenever it received an error- or progress
- report. This functionality was not useful and has been
- removed. The built-in Common Test hook, cth_log_redirect,
- has instead been improved to now also tag all error- and
- progress reports in the log with suite-, group-, and/or
- test case name.</p>
- <p>
- Own Id: OTP-11263 Aux Id: seq12251 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- A new log, the "Pre- and Post Test I/O Log", has been
- introduced, which makes it possible to capture error- and
- progress reports, as well as printouts made with ct:log/2
- and ct:pal/2, before and after a test run. (Some minor
- improvements of the logging system have been made at the
- same time). Links to the new log are found on the Common
- Test Framework Log page. The Common Test User's Guide has
- been updated with information about the new log and also
- with a new section on how to synchronize external
- applications with Common Test by means of the CT Hook
- init and terminate functions.</p>
- <p>
- Own Id: OTP-11272</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Known Bugs and Problems</title>
- <list>
- <item>
- <p>
- Test Server: Report auto_skipped in major log.</p>
- <p>
- Own Id: OTP-11297</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.6.2</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Some unused code related to remote targets is removed,
- and documentation is updated.</p>
- <p>
- Own Id: OTP-10607 Aux Id: kunagi-338 [249] </p>
- </item>
- <item>
- <p>
- A bug in test_server_gl caused io requests containing
- invalid data (i.e. not unicode:chardata()) to hang, since
- no io reply was sent. This has been corrected.</p>
- <p>
- Own Id: OTP-10991</p>
- </item>
- <item>
- <p>
- Common Test would, in case of timetrap error, print a
- warning in the log if end_per_testcase wasn't implemented
- in the suite, even though it's an optional function. This
- printout has been removed.</p>
- <p>
- Own Id: OTP-11052</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The '-force_stop' flag to use with time-limited repeats
- of test runs can now be used with a new 'skip_rest'
- option which causes the rest of the test cases in the
- ongoing test job to be skipped when the time limit is
- reached. E.g. 'ct_run -spec xxx -duration 010000
- -force_stop skip_rest'</p>
- <p>
- Own Id: OTP-10856 Aux Id: OTP-10832 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.6.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The unicode update of test_server for R16A introduced a
- few potential errors when logging to files. Sometimes ~tp
- or ~ts was used for formatting also when writing to files
- that were not opened with the {encoding,utf8} option. If
- then the argument contained unicode characters above 255,
- the file descriptor would crash. This has been corrected
- by the following modifications:</p> <list> <item> Since the
- 'unexpected_io' log file is used only when the test case
- HTML file is not available (e.g. between test cases),
- this file is now also a HTML file and as other
- test_server HTML logs it is always UTF-8 encoded </item>
- <item> Since it is possible to change which information
- is going to which log file (with
- test_server_ctrl:set_levels/3), we do not have full
- control over which information is written to which file.
- This means that any printout could be written to the
- 'major' log file (suite.log), which was earlier encoded
- as latin1. To avoid crashing this file descriptor due to
- unicode strings, the 'major' log file is now also encoded
- in UTF-8 (possible incopatibility). </item> <item> The
- cross_cover.info file is no longer a text file which can
- be read with file:consult/1, instead it is written as a
- pure binary file using term_to_binary when writing and
- binary_to_term when reading. </item> <item> The encoding
- of the file named 'last_name', which only content is the
- path to the last run.&lt;timestamp&gt; directory, is now
- dependent on the file name mode of the VM. If file names
- are expected to be unicode, then the 'last_name' file is
- UTF-8 encoded, else it is latin1 encoded. </item> </list>
- <p>
- Also, ~tp has been changed back to ~p unless it is
- somehow likely that the argument includes strings. It is
- not obvious that this is the correct thing to do, but
- some decission had to be taken...</p>
- <p>
- Own Id: OTP-10780</p>
- </item>
- <item>
- <p>
- Using the force_stop flag/option to interrupt a test run
- caused a crash in Common Test. This problem has been
- solved.</p>
- <p>
- Own Id: OTP-10832</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.6</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Line numbering of erlang files that were not correctly
- indented could be wrong after coverting to html with
- erl2html2:convert/[2,3] (the source code pointed to from
- the test case). This has been corrected.</p>
- <p>
- Also, there are now link targets for each line and not
- only for each 10th line, and link targets for functions
- now include the arity and not only the function name
- (e.g. func/1 has a link target "func-1").</p>
- <p>
- Own Id: OTP-9710 Aux Id: seq11945, kunagi-201 [112] </p>
- </item>
- <item>
- <p>
- Severe errors detected by <c>test_server</c> (e.g. if log
- files directories cannot be created) will now be reported
- to <c>common_test</c> and noted in the <c>common_test</c>
- logs.</p>
- <p>
- Own Id: OTP-9769 Aux Id: kunagi-202 [113] </p>
- </item>
- <item>
- <p>
- The earlier undocumented cross cover feature for
- accumulating cover data over multiple tests has now been
- fixed and documented.</p>
- <p>
- Own Id: OTP-9870 Aux Id: kunagi-206 [117] </p>
- </item>
- <item>
- <p>
- If the test suite itself was included in code coverage
- analysis, then the test_server would not manage to set
- data_dir correctly for the test. This has been corrected.</p>
- <p>
- Own Id: OTP-9956 Aux Id: kunagi-207 [118] </p>
- </item>
- <item>
- <p>
- Any call to test_server:break/1 should cancel all active
- timetramps. However, in some cases
- Suite:end_per_testcase/2 is executed on a different
- process than the test case itself, and if
- test_server:break/1 was called from there, the timetraps
- were not cancelled. This has been corrected.</p>
- <p>
- Own Id: OTP-10046 Aux Id: kunagi-174 [85] </p>
- </item>
- <item>
- <p>When a test case failed because of a timetrap time
- out, the <c>Config</c> data for the case was lost in the
- following call to <c>end_per_testcase/2</c>, and also in
- calls to the CT Hook function
- <c>post_end_per_testcase/4</c>. This problem has been
- solved and the <c>Config</c> data is now correctly passed
- to the above functions after a timetrap timeout
- failure.</p>
- <p>
- Own Id: OTP-10070 Aux Id: kunagi-175 [86] </p>
- </item>
- <item>
- <p>In test_server, the same process would supervise the
- currently running test case and be group leader (and IO
- server) for the test case. Furthermore, when running
- parallel test cases, new temporary supervisor/group
- leader processes were spawned and the process that was
- group leader for sequential test cases would not be
- active. That would lead to several problems:</p>
- <p>* Processes started by init_per_suite will inherit the
- group leader of the init_per_suite process (and that
- group leader would not process IO requests when parallel
- test cases was running). If later a parallel test case
- caused such a processto print using (for example)
- io:format/2, the calling would hang.</p>
- <p>* Similarly, if a process was spawned from a parallel
- test case, it would inherit the temporary group leader
- for that parallel test case. If that spawned process
- later - when the group of parallel tests have finished -
- attempted to print something, its group leader would be
- dead and there would be <c>badarg</c> exception.</p>
- <p>Those problems have been solved by having group
- leaders separate from the processes that supervises the
- test cases, and keeping temporary group leader process
- for parallel test cases alive until no more process in
- the system use them as group leaders.</p>
- <p>Also, a new <c>unexpected_io.log</c> log file
- (reachable from the summary page of each test suite) has
- been introduced. All unexpected IO will be printed into
- it(for example, IO to a group leader for a parallel test
- case that has finished).</p>
- <p>
- Own Id: OTP-10101 Aux Id: OTP-10125 </p>
- </item>
- <item>
- <p>
- The stability of <c>common_test</c> and
- <c>test_server</c> when running test cases in parallel
- has been improved.</p>
- <p>
- Own Id: OTP-10480 Aux Id: kunagi-318 [229] </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Added a general framework for executing benchmarks of
- Erlang/OTP. Benchmarks for the Erlang VM and mnesia have
- been incorporated in the framework. </p>
- <p>
- For details about how to add more benchmarks see
- $ERL_TOP/HOWTO/BENCHMARKS.md in the source distribution.</p>
- <p>
- Own Id: OTP-10156</p>
- </item>
- <item>
- <p>
- Update common test modules to handle Unicode:</p> <list>
- <item> Use UTF-8 encoding for all HTML files, except the
- HTML version of the test suite generated with
- erl2html2:convert, which will have the same encoding as
- the original test suite (.erl) file. </item> <item>
- Encode link targets in HTML files with
- test_server_ctrl:uri_encode/1. </item> <item> Use unicode
- modifier 't' with ~s when appropriate. </item> <item> Use
- unicode:characters_to_list and
- unicode:characters_to_binary for conversion between
- binaries and strings instead of binary_to_list and
- list_to_binary. </item> </list>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.5.3</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- test_server_h will now recognize info_reports written by
- ct connection handlers (according to the description in
- cth_conn_log) and ignore them as they will be completely
- handled by by ct_conn_log_h.</p>
- <p>
- Earlier test_server_h would print a tag (testcase name)
- before forwarding the report to error_logger_tty_h. This
- would cause lots of tags in the log with no info report
- following (since error_logger_tty_h did not handle them).</p>
- <p>
- Own Id: OTP-10571</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Known Bugs and Problems</title>
- <list>
- <item>
- <p>
- Restore Config data if lost when test case fails.</p>
- <p>
- Own Id: OTP-10070 Aux Id: kunagi-175 [86] </p>
- </item>
- <item>
- <p>
- IO server error in test_server.</p>
- <p>
- Own Id: OTP-10125 Aux Id: OTP-10101, kunagi-177 [88] </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.5.2</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The documentation has been updated with the latest
- changes for the test_server_ctrl:report/2 function.</p>
- <p>
- Own Id: OTP-10086 Aux Id: seq12066 </p>
- </item>
- <item>
- <p>
- The ct:get_status/0 function failed to report status if a
- parallel test case group was running at the time of the
- call. This has been fixed and the return value for the
- function has been updated. Please see the ct reference
- manual for details.</p>
- <p>
- Own Id: OTP-10172</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- It is now possible to sort the HTML tables by clicking on
- the header elements. In order to reset a sorted table,
- the browser window should simply be refreshed. This
- feature requires that the browser supports javascript,
- and has javascript execution enabled. If the 'ct_run
- -basic_html' flag is used, no javascript code is included
- in the generated HTML code.</p>
- <p>
- Own Id: OTP-9896 Aux Id: seq12034, OTP-9835 </p>
- </item>
- <item>
- <p>
- Verbosity levels for log printouts has been added. This
- makes it possible to specify preferred verbosity for
- different categories of log printouts, as well as general
- printouts (such as standard IO), to allow control over
- which strings get printed and which get ignored. New
- versions of the Common Test logging functions, ct:log,
- ct:pal and ct:print, have been introduced, with a new
- Importance argument added. The Importance value is
- compared to the verbosity level at runtime. More
- information can be found in the chapter about Logging in
- the Common Test User's Guide.</p>
- <p>
- Own Id: OTP-10067 Aux Id: seq12050 </p>
- </item>
- <item>
- <p>
- The Erlang/OTP test runner ts has been extended to allow
- cross compilation of test suites. To cross compile the
- test suites first follow the normal cross compilation
- procedures and release the tests on the build host. Then
- install ts using an xcomp specification file and compile
- test suites using ts:compile_testcases/0. For more
- details see $ERL_TOP/xcomp/README.md.</p>
- <p>
- Own Id: OTP-10074</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.5.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- After a test case timeout or abortion, the
- end_per_testcase function executes on a new dedicated
- process. The group leader for this process should be set
- to the IO server for the test case, which was not done
- properly. The result of this error was that no warnings
- about end_per_testcase failing or timing out were ever
- printed in the test case log. Also, help functions such
- as e.g. test_server:stop_node/1, attempting to
- synchronize with the IO server, would hang. The fault has
- been corrected.</p>
- <p>
- Own Id: OTP-9666</p>
- </item>
- <item>
- <p>
- A deadlock situation could occur if Common Test is
- forwarding error_handler printouts to Test Server at the
- same time a new test case is starting. This error has
- been fixed.</p>
- <p>
- Own Id: OTP-9894</p>
- </item>
- <item>
- <p>
- When a test case was killed because of a timetrap
- timeout, the current location (suite, case and line) was
- not printed correctly in the log files. This has been
- corrected.</p>
- <p>
- Own Id: OTP-9930 Aux Id: seq12002 </p>
- </item>
- <item>
- <p>
- Test Server and Common Test would add new error handlers
- with each test run and fail to remove previously added
- ones. In the case of Test Server, this would only happen
- if SASL was not running on the test node. This has been
- fixed.</p>
- <p>
- Own Id: OTP-9941 Aux Id: seq12009 </p>
- </item>
- <item>
- <p>
- If a test case process was terminated due to an exit
- signal from a linked process, Test Server failed to
- report the correct name of the suite and case to the
- framework. This has been corrected.</p>
- <p>
- Own Id: OTP-9958 Aux Id: OTP-9855 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- A new optional feature has been introduced that enables
- Common Test to generate priv_dir directory names that are
- unique for each test case or config function. The name of
- the option/flag is 'create_priv_dir' and it can be set to
- value 'auto_per_run' (which is the default, existing,
- behaviour), or 'auto_per_tc' or 'manual_per_tc'. If
- 'auto_per_tc' is used, Test Server creates a dedicated
- priv_dir automatically for each test case (which can be
- very expensive in case of many and/or repeated cases). If
- 'manual_per_tc' is used, the user needs to create the
- priv_dir explicitly by calling the new function
- ct:make_priv_dir/0.</p>
- <p>
- Own Id: OTP-9659 Aux Id: seq11930 </p>
- </item>
- <item>
- <p>
- A column for test case group name has been added to the
- suite overview HTML log file.</p>
- <p>
- Own Id: OTP-9730 Aux Id: seq11952 </p>
- </item>
- <item>
- <p>
- It is now possible to use the post_end_per_testcase CT
- hook function to print a comment for a test case in the
- overview log file, even if the test case gets killed by a
- timetrap or unknown exit signal, or if the
- end_per_testcase function times out.</p>
- <p>
- Own Id: OTP-9855 Aux Id: seq11979 </p>
- </item>
- <item>
- <p>
- Common Test will now print error information (with a time
- stamp) in the test case log file immediately when a test
- case fails. This makes it easier to see when, in time,
- the fault actually occured, and aid the job of locating
- relevant trace and debug printouts in the log.</p>
- <p>
- Own Id: OTP-9904 Aux Id: seq11985, OTP-9900 </p>
- </item>
- <item>
- <p>
- Test Server has been modified to check the SASL
- errlog_type parameter when receiving an error logger
- event, so that it doesn't print reports of type that the
- user has disabled.</p>
- <p>
- Own Id: OTP-9955 Aux Id: seq12013 </p>
- </item>
- <item>
- <p>
- If an application cannot be found by ts it is
- automatically skipped when testing.</p>
- <p>
- Own Id: OTP-9971</p>
- </item>
- <item>
- <p>
- By specifying a user defined function ({M,F,A} or fun) as
- timetrap value, either by means of an info function or by
- calling ct:timetrap/1, it is now possible to set a
- timetrap that will be triggered when the user function
- returns.</p>
- <p>
- Own Id: OTP-9988 Aux Id: OTP-9501, seq11894 </p>
- </item>
- <item>
- <p>
- If the optional configuration functions init_per_suite/1
- and end_per_suite/1 are not implemented in the test
- suite, local Common Test versions of these functions are
- called instead, and will be displayed in the overview log
- file. Any printouts made by the pre- or
- post_init_per_suite and pre- or post_end_per_suite hook
- functions are saved in the log files for these functions.</p>
- <p>
- Own Id: OTP-9992</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.5</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The test case group info function has been implemented in
- Common Test. Before execution of a test case group, a
- call is now made to <c>TestSuite:group(GroupName)</c>.
- The function returns a list of test properties, e.g. to
- specify timetrap values, require configuration data, etc
- (analogue to the test suite- and test case info
- function). The scope of the properties set by
- <c>group(GroupName)</c> is all test cases and sub-groups
- of group <c>GroupName</c>.</p>
- <p>
- Own Id: OTP-9235</p>
- </item>
- <item>
- <p>
- The look of the HTML log files generated by Common Test
- and Test Server has been improved (and made easier to
- customize) by means of a CSS file.</p>
- <p>
- Own Id: OTP-9706</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Known Bugs and Problems</title>
- <list>
- <item>
- <p>
- Fix problems in CT/TS due to line numbers in exceptions.</p>
- <p>
- Own Id: OTP-9203</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.4.5</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- An error in how comments are colored in the test suite
- overview html log file has been corrected. As result, a
- new framework callback function, format_comment/1, has
- been introduced.</p>
- <p>
- Own Id: OTP-9237</p>
- </item>
- <item>
- <p>
- Test Server did not release SASL TTY handlers
- (sasl_report_tty_h and error_logger_tty_h) properly after
- each test run. This error has been fixed.</p>
- <p>
- Own Id: OTP-9311</p>
- </item>
- <item>
- <p>
- Automatically generated init- and end-configuration
- functions for test case groups caused incorrect execution
- order of test cases. This has been corrected.</p>
- <p>
- Own Id: OTP-9369</p>
- </item>
- <item>
- <p>
- If ct:log/2 was called with bad arguments, this could
- cause the Common Test IO handling process to crash. This
- fault has been corrected.</p>
- <p>
- Own Id: OTP-9371 Aux Id: OTP-8933 </p>
- </item>
- <item>
- <p>
- A bug has been fixed that made Test Server call the
- end_tc/3 framework function with an incorrect module name
- as first argument.</p>
- <p>
- Own Id: OTP-9379 Aux Id: seq11863 </p>
- </item>
- <item>
- <p>
- If end_per_testcase caused a timetrap timeout, the actual
- test case status was discarded and the test case logged
- as successful (even if the case had actually failed
- before the call to end_per_testcase). This fault has been
- fixed.</p>
- <p>
- Own Id: OTP-9397</p>
- </item>
- <item>
- <p>
- If a timetrap timeout occured during execution of of a
- function in a lib module (i.e. a function called directly
- or indirectly from a test case), the Suite argument in
- the end_tc/3 framework callback function would not
- correctly contain the name of the test suite, but the lib
- module. (This would only happen if the lib module was
- compiled with ct.hrl included). This error has been
- solved.</p>
- <p>
- Own Id: OTP-9398</p>
- </item>
- <item>
- <p>
- Add a proplist() type</p>
- <p>
- Recently I was adding specs to an API and found that
- there is no canonical proplist() type defined. (Thanks to
- Ryan Zezeski)</p>
- <p>
- Own Id: OTP-9499</p>
- </item>
- <item>
- <p> XML files have been corrected. </p>
- <p>
- Own Id: OTP-9550 Aux Id: OTP-9541 </p>
- </item>
- <item>
- <p>
- If a test suite would start with a test case group
- defined without the init_per_group/2 and end_per_group/2
- function, init_per_suite/1 would not execute initially
- and logging of the test run would fail. This error has
- been fixed.</p>
- <p>
- Own Id: OTP-9584</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- A new option, 'logopts', has been introduced, to make it
- possible to modify some aspects of the logging behaviour
- in Common Test (or Test Server). For example, whenever an
- io printout is made, test_server adds newline (\n) to the
- end of the output string. This may not always be a
- preferred action and can therefore be disabled by means
- of "ct_run ... -logopts no_nl" (or ct:run_test([...,
- {logopts,[no_nl]}])). A new framework callback function,
- get_logopts/0, has been introduced (see the ct_framework
- module for details).</p>
- <p>
- Own Id: OTP-9372 Aux Id: OTP-9396 </p>
- </item>
- <item>
- <p>
- A new option, 'logopts', has been introduced, to make it
- possible to modify some aspects of the logging behaviour
- in Common Test (or Test Server). For example, if the html
- version of the test suite source code should not be
- generated during the test run (and consequently be
- unavailable in the log file system), the feature may be
- disabled by means of "ct_run ... -logopts no_src" (or
- ct:run_test([..., {logopts,[no_src]}])). A new framework
- callback function, get_logopts/0, has been introduced
- (see the ct_framework module for details).</p>
- <p>
- Own Id: OTP-9396 Aux Id: seq11869, OTP-9372 </p>
- </item>
- <item>
- <p>
- It is now possible to use a tuple {M,F,A}, or a fun, as
- timetrap specification in the suite info function or test
- case info functions. The function must return a valid
- timeout value, as documented in the common_test man page
- and in the User's Guide.</p>
- <p>
- Own Id: OTP-9501 Aux Id: seq11894 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.4.4</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- It was previously not possible to use timetrap value
- 'infinity' with ct:timetrap/1. This has been fixed.</p>
- <p>
- Own Id: OTP-9159</p>
- </item>
- <item>
- <p>
- A bug that made it impossible to cancel the previous
- timetrap when calling ct:timetrap/1 has been corrected.</p>
- <p>
- Own Id: OTP-9233 Aux Id: OTP-9159 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- When running tests with auto-compilation disabled, Common
- Test could only display the test suite source code on
- html format in the test case log if the source file was
- located in the same directory as the pre-compiled suite.
- This has been modified so that Common Test now tries to
- locate the source file by means of the test suite module
- info (Suite:module_info/1). As a result, a suite may now
- be compiled to a different output directory (e.g.
- $MYTEST/bin) than the source code directory (e.g.
- $MYTEST/src), without the source-code-to-html generation
- being affected.</p>
- <p>
- Own Id: OTP-9138</p>
- </item>
- <item>
- <p>
- It is now possible to return a tuple {fail,Reason} from
- init_per_testcase/2. The result is that the associated
- test case gets logged as failed without ever executing.</p>
- <p>
- Own Id: OTP-9160 Aux Id: seq11502 </p>
- </item>
- <item>
- <p>
- Added DragonflyBSD check in test_server configure.</p>
- <p>
- Own Id: OTP-9249</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.4.3</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Updated the ts*.config files to contain information
- relevant to testing Erlang/OTP in an open source
- environment.</p>
- <p>
- Own Id: OTP-9017</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Alpha release of Common Test Hooks (CTH). CTHs allow the
- users of common test to abtract out common behaviours
- from test suites in a much more elegant and flexible way
- than was possible before. Note that the addition of this
- feature may introduce minor changes in the undocumented
- behaviour of the interface inbetween common_test and
- test_server.</p>
- <p>
- *** POTENTIAL INCOMPATIBILITY ***</p>
- <p>
- Own Id: OTP-8851</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.4.2</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>Miscellaneous updates</p>
- <p>
- Own Id: OTP-8976</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.4.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Returning {return_group_result,failed} from end_per_group
- in a group that is part of a sequence, did not cause the
- proceeding cases (or groups) to get skipped. This has
- been fixed.</p>
- <p>
- Own Id: OTP-8753 Aux Id: seq11644 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Common Test has been updated to handle start options and
- test specification terms for test case groups (and test
- cases in groups). Also, an option named 'label', has been
- added that associates the test run with a name that
- Common Test prints in the overview HTML logs.</p>
- <p>
- Own Id: OTP-8725 Aux Id: OTP-8727 </p>
- </item>
- <item>
- <p>
- It is now possible to skip all tests in a suite, or a
- group, by returning {fail,Reason} from the end_tc/5
- framework function for init_per_suite, or init_per_group.</p>
- <p>
- Own Id: OTP-8805 Aux Id: seq11664 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.4</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- Returning {fail,Reason} from the framework end_tc
- function was not handled properly by Test Server for all
- test suite functions.</p>
- <p>
- Own Id: OTP-8492 Aux Id: seq11502 </p>
- </item>
- <item>
- <p>
- If the framework end_tc function would hang and get
- aborted by Test Server, there was no indication of
- failure in the logs. This has been fixed.</p>
- <p>
- Own Id: OTP-8682 Aux Id: seq11504 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- It is now possible for the Test Server framework end_tc
- function to change the status of the test case from ok or
- auto-skipped to failed by returning {fail,Reason}.</p>
- <p>
- Own Id: OTP-8495 Aux Id: seq11502 </p>
- </item>
- <item>
- <p>
- Test Server will now call the end_per_testcase/2 function
- even if the test case has been terminated explicitly
- (with abort_current_testcase/1), or after a timetrap
- timeout. Under these circumstances the return value of
- end_per_testcase is completely ignored. Therefore the
- function will not be able to change the reason for test
- case termination by returning {fail,Reason}, nor will it
- be able to save data with {save_config,Data}.</p>
- <p>
- Own Id: OTP-8500 Aux Id: seq11521 </p>
- </item>
- <item>
- <p>
- Previously, a repeat property of a test case group
- specified the number of times the group should be
- repeated after the main test run. I.e. {repeat,N} would
- case the group to execute 1+N times. To be consistent
- with the behaviour of the run_test repeat option, this
- has been changed. N now specifies the absolute number of
- executions instead.</p>
- <p>
- Own Id: OTP-8689 Aux Id: seq11502 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.3.6</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The Test Server parse transform did not handle bit string
- comprehensions. This has been fixed.</p>
- <p>
- Own Id: OTP-8458 Aux Id: OTP-8311 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The tc_status value in the Config list for a test case
- that has failed because of a timetrap timeout, has
- changed from {tc_status,timeout} to
- {tc_status,timetrap_timeout}.</p>
- <p>
- Own Id: OTP-8302</p>
- </item>
- <item>
- <p>The documentation is now possible to build in an open
- source environment after a number of bugs are fixed and
- some features are added in the documentation build
- process. </p>
- <p>- The arity calculation is updated.</p>
- <p>- The module prefix used in the function names for
- bif's are removed in the generated links so the links
- will look like
- "http://www.erlang.org/doc/man/erlang.html#append_element-2"
- instead of
- "http://www.erlang.org/doc/man/erlang.html#erlang:append_element-2".</p>
- <p>- Enhanced the menu positioning in the html
- documentation when a new page is loaded.</p>
- <p>- A number of corrections in the generation of man
- pages (thanks to Sergei Golovan)</p>
- <p>- The legal notice is taken from the xml book file so
- OTP's build process can be used for non OTP
- applications.</p>
- <p>
- Own Id: OTP-8343</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.3.5</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- If the init_per_testcase/2 function fails, the test case
- now gets marked and counted as auto skipped, not user
- skipped (which would previously happen).</p>
- <p>
- Own Id: OTP-8289</p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The documentation is now built with open source tools
- (xsltproc and fop) that exists on most platforms. One
- visible change is that the frames are removed.</p>
- <p>
- Own Id: OTP-8201</p>
- </item>
- <item>
- <p>
- It is now possible to fail a test case from the
- end_per_testcase/2 function, by returning {fail,Reason}.</p>
- <p>
- Own Id: OTP-8284</p>
- </item>
- <item>
- <p>
- It is now possible to fail a test case by having the
- end_tc/3 framework function return {fail,Reason} for the
- test case.</p>
- <p>
- Own Id: OTP-8285</p>
- </item>
- <item>
- <p>
- The test_server framework API (e.g. the end_tc/3
- function) has been modified. See the test_server_ctrl
- documentation for details.</p>
- <p>
- Own Id: OTP-8286 Aux Id: OTP-8285, OTP-8287 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.3.4</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- When running a suite starting with a test case group,
- Test Server crashed if init_per_suite/1 exited or
- returned skip. This has been fixed.</p>
- <p>
- Own Id: OTP-8105 Aux Id: OTP-8089 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Various updates and fixes in Common Test and Test Server.</p>
- <p>
- Own Id: OTP-8045 Aux Id: OTP-8089,OTP-8105,OTP-8163 </p>
- </item>
- <item>
- <p>
- Errors in coverage data collection and analysis were
- difficult to detect. The logging has been improved so
- that more information about e.g. imported and missing
- modules is printed to the html log files.</p>
- <p>
- Own Id: OTP-8163 Aux Id: seq11374 </p>
- </item>
- <item>
- <p>
- The Common Test HTML overview pages have been improved.
- It is now possible to see if a test case has been skipped
- explicitly or because a configuration function has
- failed. Also, the history page (all_runs.html) now has
- scrolling text displaying the test names. The old format
- (showing names as a truncated string) can still be
- generated by means of the flag/option 'basic_html'.</p>
- <p>
- Own Id: OTP-8177</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.3.2</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Various corrections and improvements of Common Test and
- Test Server.</p>
- <p>
- Own Id: OTP-7981</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.3.1</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Minor updates and corrections.</p>
- <p>
- Own Id: OTP-7897</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.3</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- The conf case in Test Server has been extended with
- properties that make it possible to execute test cases in
- parallel, in sequence and in shuffled order. It is now
- also possible to repeat test cases according to different
- criterias. The properties can be combined, making it
- possible to e.g. repeat a conf case a certain number of
- times and execute the test cases in different (random)
- order every time. The properties are specified in a list
- in the conf case definition: {conf, Properties, InitCase,
- TestCases, EndCase}. The available properties are:
- parallel, sequence, shuffle, repeat, repeat_until_all_ok,
- repeat_until_any_ok, repeat_until_any_fail,
- repeat_until_all_fail.</p>
- <p>
- Own Id: OTP-7511 Aux Id: OTP-7839 </p>
- </item>
- <item>
- <p>The test server starts Cover on nodes of the same
- version as the test server itself only.</p>
- <p>
- Own Id: OTP-7699</p>
- </item>
- <item>
- <p>
- The Erlang mode for Emacs has been updated with new and
- modified skeletons for Common Test and TS. Syntax for
- test case groups in Common Test (and conf cases with
- properties in TS) has been added and a new minimal Common
- Test suite skeleton has been introduced.</p>
- <p>
- Own Id: OTP-7856</p>
- </item>
- </list>
- </section>
-
-</section>
-<section><title>Test_Server 3.2.4.1</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- The step functionality in Common Test (based on
- interaction with Debugger) was broken. This has been
- fixed, and some new step features have also been added.
- Please see the Common Test User's Guide for details.</p>
- <p>
- Own Id: OTP-7800 Aux Id: seq11106 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.2.4</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Miscellaneous updates.</p>
- <p>
- Own Id: OTP-7527</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.2.3</title>
-
- <section><title>Fixed Bugs and Malfunctions</title>
- <list>
- <item>
- <p>
- When a testcase terminated due to a timetrap, io sent to
- the group leader from framework:end_tc/3 (using
- ct:pal/2/3 or ct:log/2/3) would cause deadlock. This has
- been fixed.</p>
- <p>
- Own Id: OTP-7447 Aux Id: seq11010 </p>
- </item>
- </list>
- </section>
-
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Various updates and improvements, plus some minor bug
- fixes, have been implemented in Common Test and Test
- Server.</p>
- <p>
- Own Id: OTP-7112</p>
- </item>
- <item>
- <p>
- It is now possible, by means of the new function
- ct:abort_current_testcase/1 or
- test_server_ctrl:abort_current_testcase/1, to abort the
- currently executing test case.</p>
- <p>
- Own Id: OTP-7518 Aux Id: OTP-7112 </p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.2.2</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p><c>erlang:system_info/1</c> now accepts the
- <c>logical_processors</c>, and <c>debug_compiled</c>
- arguments. For more info see the, <c>erlang(3)</c>
- documentation.</p> <p>The scale factor returned by
- <c>test_server:timetrap_scale_factor/0</c> is now also
- effected if the emulator uses a larger amount of
- scheduler threads than the amount of logical processors
- on the system. </p>
- <p>
- Own Id: OTP-7175</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.2.1</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- When init_per_suite or end_per_suite terminated due to
- runtime failure, test_server failed to format the line
- number information properly and crashed. This error has
- now been fixed.</p>
- <p>
- Own Id: OTP-7091</p>
- </item>
- </list>
- </section>
-
-</section>
-
-<section><title>Test_Server 3.2.0</title>
-
- <section><title>Improvements and New Features</title>
- <list>
- <item>
- <p>
- Test Server is a portable test server for automated
- application testing. The server can run test suites on
- local or remote targets and log progress and results to
- HTML pages. The main purpose of Test Server is to act as
- engine inside customized test tools. A callback interface
- for such framework applications is provided.</p>
- <p>
- Own Id: OTP-6989</p>
- </item>
- </list>
- </section>
-
-</section>
-
-</chapter>
-