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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Test</title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.78.1" /><meta name="keywords" content=" ISO C++ , test , testsuite , performance , conformance , ABI , exception safety " /><meta name="keywords" content=" ISO C++ , library " /><meta name="keywords" content=" ISO C++ , runtime , library " /><link rel="home" href="../index.html" title="The GNU C++ Library" /><link rel="up" href="appendix_porting.html" title="Appendix B. Porting and Maintenance" /><link rel="prev" href="internals.html" title="Porting to New Hardware or Operating Systems" /><link rel="next" href="abi.html" title="ABI Policy and Guidelines" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Test</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="internals.html">Prev</a> </td><th width="60%" align="center">Appendix B.
Porting and Maintenance
-</th><td width="20%" align="right"> <a accesskey="n" href="abi.html">Next</a></td></tr></table><hr /></div><div class="section"
title="Test"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.intro.setup.test"></a>Test</h2></div></div></div><p>
+</th><td width="20%" align="right"> <a accesskey="n" href="abi.html">Next</a></td></tr></table><hr /></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="manual.intro.setup.test"></a>Test</h2></div></div></div><p>
The libstdc++ testsuite includes testing for standard conformance,
regressions, ABI, and performance.
-</p><div class="section"
title="Organization"><div class="titlepage"><div><div><h3 class="title"><a id="test.organization"></a>Organization</h3></div></div></div><div class="section" title="Directory Layout"><div class="titlepage"><div><div><h4 class="title"><a id="test.organization.layout"></a>Directory Layout</h4></div></div></div><p>
+</p><div class="section"
><div class="titlepage"><div><div><h3 class="title"><a id="test.organization"></a>Organization</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.organization.layout"></a>Directory Layout</h4></div></div></div><p>
The directory <span class="emphasis"><em>libsrcdir/testsuite</em></span> contains the
individual test cases organized in sub-directories corresponding to
chapters of the C++ standard (detailed below), the dejagnu test
</pre><p>
All new tests should be written with the policy of one test
case, one file in mind.
- </p></div><div class="section"
title="Naming Conventions"><div class="titlepage"><div><div><h4 class="title"><a id="test.organization.naming"></a>Naming Conventions</h4></div></div></div><p>
+ </p></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.organization.naming"></a>Naming Conventions</h4></div></div></div><p>
In addition, there are some special names and suffixes that are
used within the testsuite to designate particular kinds of
tests.
- </p><div class="itemizedlist"><ul class="itemizedlist"
type="disc"><li class="listitem"><p>
+ </p><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: disc; "><li class="listitem"><p>
<span class="emphasis"><em>_xin.cc</em></span>
</p><p>
This test case expects some kind of interactive input in order
analyze runtime performance, for performance regression testing,
or for other optimization related analysis. At the moment, these
test cases are not run by default.
- </p></li></ul></div></div></div><div class="section"
title="Running the Testsuite"><div class="titlepage"><div><div><h3 class="title"><a id="test.run"></a>Running the Testsuite</h3></div></div></div><div class="section" title="Basic"><div class="titlepage"><div><div><h4 class="title"><a id="test.run.basic"></a>Basic</h4></div></div></div><p>
+ </p></li></ul></div></div></div><div class="section"
><div class="titlepage"><div><div><h3 class="title"><a id="test.run"></a>Running the Testsuite</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.run.basic"></a>Basic</h4></div></div></div><p>
You can check the status of the build without installing it
using the dejagnu harness, much like the rest of the gcc
tools.</p><pre class="programlisting"> make check</pre><p>in the <span class="emphasis"><em>libbuilddir</em></span> directory.</p><p>or</p><pre class="programlisting"> make check-target-libstdc++-v3</pre><p>in the <span class="emphasis"><em>gccbuilddir</em></span> directory.
archived on a daily basis on the <a class="link" href="http://gcc.gnu.org/ml/gcc-testresults/current" target="_top">gcc-testresults</a>
mailing list. Please check either of these places for a similar
combination of source version, operating system, and host CPU.
- </p></div><div class="section"
title="Variations"><div class="titlepage"><div><div><h4 class="title"><a id="test.run.variations"></a>Variations</h4></div></div></div><p>
+ </p></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.run.variations"></a>Variations</h4></div></div></div><p>
There are several options for running tests, including testing
the regression tests, testing a subset of the regression tests,
testing the performance tests, testing just compilation, testing
</pre><p>
Five files are generated that determine what test files
are run. These files are:
- </p><div class="itemizedlist"><ul class="itemizedlist"
type="disc"><li class="listitem"><p>
+ </p><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: disc; "><li class="listitem"><p>
<span class="emphasis"><em>testsuite_files</em></span>
</p><p>
This is a list of all the test cases that will be run. Each
We are interested in any strange failures of the testsuite;
please email the main libstdc++ mailing list if you see
something odd or have questions.
- </p></div><div class="section"
title="Permutations"><div class="titlepage"><div><div><h4 class="title"><a id="test.run.permutations"></a>Permutations</h4></div></div></div><p>
+ </p></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.run.permutations"></a>Permutations</h4></div></div></div><p>
To run the libstdc++ test suite under the <a class="link" href="debug_mode.html" title="Chapter 17. Debug Mode">debug mode</a>, edit
<code class="filename">libstdc++-v3/scripts/testsuite_flags</code> to add the
compile-time flag <code class="constant">-D_GLIBCXX_DEBUG</code> to the
Or, just run the testsuites with <code class="constant">CXXFLAGS</code>
set to <code class="constant">-D_GLIBCXX_DEBUG</code> or
<code class="constant">-D_GLIBCXX_PARALLEL</code>.
- </p></div></div><div class="section"
title="Writing a new test case"><div class="titlepage"><div><div><h3 class="title"><a id="test.new_tests"></a>Writing a new test case</h3></div></div></div><p>
+ </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="test.new_tests"></a>Writing a new test case</h3></div></div></div><p>
The first step in making a new test case is to choose the correct
directory and file name, given the organization as previously
described.
// { dg-options "-O0" { target *-*-* } }
</pre><p>
More examples can be found in the libstdc++-v3/testsuite/*/*.cc files.
- </p></div><div class="section"
title="Test Harness and Utilities"><div class="titlepage"><div><div><h3 class="title"><a id="test.harness"></a>Test Harness and Utilities</h3></div></div></div><div class="section" title="Dejagnu Harness Details"><div class="titlepage"><div><div><h4 class="title"><a id="test.harness.dejagnu"></a>Dejagnu Harness Details</h4></div></div></div><p>
+ </p></div><div class="section"
><div class="titlepage"><div><div><h3 class="title"><a id="test.harness"></a>Test Harness and Utilities</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.harness.dejagnu"></a>Dejagnu Harness Details</h4></div></div></div><p>
Underlying details of testing for conformance and regressions are
abstracted via the GNU Dejagnu package. This is similar to the
rest of GCC.
</p><p>The <code class="code">config</code> directory is searched for any particular "target
board" information unique to this library. This is currently unused and sets
only default variables.
-</p></div><div class="section"
title="Utilities"><div class="titlepage"><div><div><h4 class="title"><a id="test.harness.utils"></a>Utilities</h4></div></div></div><p>
+</p></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.harness.utils"></a>Utilities</h4></div></div></div><p>
</p><p>
The testsuite directory also contains some files that implement
functionality that is intended to make writing test cases easier,
during testing.
</p><p>
These files include the following functionality:
- </p><div class="itemizedlist"><ul class="itemizedlist"
type="disc"><li class="listitem"><p>
+ </p><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: disc; "><li class="listitem"><p>
<span class="emphasis"><em>testsuite_abi.h</em></span>,
<span class="emphasis"><em>testsuite_abi.cc</em></span>,
<span class="emphasis"><em>testsuite_abi_check.cc</em></span>
<span class="emphasis"><em>testsuite_hooks.cc</em></span>
</p><p>
A large number of utilities, including:
- </p><div class="itemizedlist"><ul class="itemizedlist"
type="circle"><li class="listitem"><p>VERIFY</p></li><li class="listitem"><p>set_memory_limits</p></li><li class="listitem"><p>verify_demangle</p></li><li class="listitem"><p>run_tests_wrapped_locale</p></li><li class="listitem"><p>run_tests_wrapped_env</p></li><li class="listitem"><p>try_named_locale</p></li><li class="listitem"><p>try_mkfifo</p></li><li class="listitem"><p>func_callback</p></li><li class="listitem"><p>counter</p></li><li class="listitem"><p>copy_tracker</p></li><li class="listitem"><p>copy_constructor</p></li><li class="listitem"><p>assignment_operator</p></li><li class="listitem"><p>destructor</p></li><li class="listitem"><p>pod_char, pod_int and associated char_traits specializations</p></li></ul></div></li><li class="listitem"><p>
+ </p><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: circle; "><li class="listitem"><p>VERIFY</p></li><li class="listitem"><p>set_memory_limits</p></li><li class="listitem"><p>verify_demangle</p></li><li class="listitem"><p>run_tests_wrapped_locale</p></li><li class="listitem"><p>run_tests_wrapped_env</p></li><li class="listitem"><p>try_named_locale</p></li><li class="listitem"><p>try_mkfifo</p></li><li class="listitem"><p>func_callback</p></li><li class="listitem"><p>counter</p></li><li class="listitem"><p>copy_tracker</p></li><li class="listitem"><p>copy_constructor</p></li><li class="listitem"><p>assignment_operator</p></li><li class="listitem"><p>destructor</p></li><li class="listitem"><p>pod_char, pod_int and associated char_traits specializations</p></li></ul></div></li><li class="listitem"><p>
<span class="emphasis"><em>testsuite_io.h</em></span>
</p><p>
Error, exception, and constraint checking for
</p><p>
A number of class abstractions for performance counters, and
reporting functions including:
- </p><div class="itemizedlist"><ul class="itemizedlist"
type="circle"><li class="listitem"><p>time_counter</p></li><li class="listitem"><p>resource_counter</p></li><li class="listitem"><p>report_performance</p></li></ul></div></li></ul></div></div></div><div class="section" title="Special Topics"><div class="titlepage"><div><div><h3 class="title"><a id="test.special"></a>Special Topics</h3></div></div></div><div class="section" title="Qualifying Exception Safety Guarantees"><div class="titlepage"><div><div><h4 class="title"><a id="test.exception.safety"></a>
+ </p><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: circle; "><li class="listitem"><p>time_counter</p></li><li class="listitem"><p>resource_counter</p></li><li class="listitem"><p>report_performance</p></li></ul></div></li></ul></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="test.special"></a>Special Topics</h3></div></div></div><div class="section"><div class="titlepage"><div><div><h4 class="title"><a id="test.exception.safety"></a>
Qualifying Exception Safety Guarantees
- <a id="idp22593984" class="indexterm"></a>
-</h4></div></div></div><div class="section"
title="Overview"><div class="titlepage"><div><div><h5 class="title"><a id="test.exception.safety.overview"></a>Overview</h5></div></div></div><p>
+ <a id="idm269979621504" class="indexterm"></a>
+</h4></div></div></div><div class="section"><div class="titlepage"><div><div><h5 class="title"><a id="test.exception.safety.overview"></a>Overview</h5></div></div></div><p>
Testing is composed of running a particular test sequence,
and looking at what happens to the surrounding code when
exceptions are thrown. Each test is composed of measuring
completes without an exception being thrown, assume all
potential error paths have been exercised in a sequential
manner.
- </p></div><div class="section"
title="Existing tests"><div class="titlepage"><div><div><h5 class="title"><a id="test.exception.safety.status"></a>
+ </p></div><div class="section"><div class="titlepage"><div><div><h5 class="title"><a id="test.exception.safety.status"></a>
Existing tests
-</h5></div></div></div><div class="itemizedlist"><ul class="itemizedlist"
type="disc"><li class="listitem"><p>
+</h5></div></div></div><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: disc; "><li class="listitem"><p>
Ad Hoc
</p><p>
For example,
instrumentation to <code class="classname">iterator</code>
and <code class="classname">const_iterator</code> types that throw
conditionally on iterator operations.
- </p></li></ul></div></div><div class="section"
title="C++11 Requirements Test Sequence Descriptions"><div class="titlepage"><div><div><h5 class="title"><a id="test.exception.safety.containers"></a>
+ </p></li></ul></div></div><div class="section"><div class="titlepage"><div><div><h5 class="title"><a id="test.exception.safety.containers"></a>
C++11 Requirements Test Sequence Descriptions
-</h5></div></div></div><div class="itemizedlist"><ul class="itemizedlist"
type="disc"><li class="listitem"><p>
+</h5></div></div></div><div class="itemizedlist"><ul class="itemizedlist"
style="list-style-type: disc; "><li class="listitem"><p>
Basic
</p><p>
Basic consistency on exception propagation tests. For
The general form demonstrated in
<code class="filename">testsuite/23_containers/list/requirements/exception/propagation_coherent.cc
</code>. The instantiating test object is <code class="classname">__gnu_test::propagation_coherent</code> and is detailed in <code class="filename">testsuite/util/exception/safety.h</code>.
- </p></li></ul></div></div></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="internals.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendix_porting.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="abi.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Porting to New Hardware or Operating Systems </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> ABI Policy and Guidelines</td></tr></table></div></body></html>
+ </p></li></ul></div></div></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="internals.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="appendix_porting.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="abi.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Porting to New Hardware or Operating Systems </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> ABI Policy and Guidelines</td></tr></table></div></body></html>
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