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<div class="section" id="timeout-after-match">
<span id="prop_test:TIMEOUT_AFTER_MATCH"></span><h1>TIMEOUT_AFTER_MATCH<a class="headerlink" href="#timeout-after-match" title="Permalink to this headline"></a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.6.</span></p>
</div>
<p>Change a test's timeout duration after a matching line is encountered
in its output.</p>
<div class="section" id="usage">
<h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline"></a></h2>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">add_test(</span><span class="nb">mytest</span><span class="w"> </span><span class="p">...</span><span class="nf">)</span><span class="w"></span>
<span class="nf">set_property(</span><span class="no">TEST</span><span class="w"> </span><span class="nb">mytest</span><span class="w"> </span><span class="no">PROPERTY</span><span class="w"> </span><span class="no">TIMEOUT_AFTER_MATCH</span><span class="w"> </span><span class="s">&quot;${seconds}&quot;</span><span class="w"> </span><span class="s">&quot;${regex}&quot;</span><span class="nf">)</span><span class="w"></span>
</pre></div>
</div>
</div>
<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
<p>Allow a test <code class="docutils literal notranslate"><span class="pre">seconds</span></code> to complete after <code class="docutils literal notranslate"><span class="pre">regex</span></code> is encountered in
its output.</p>
<p>When the test outputs a line that matches <code class="docutils literal notranslate"><span class="pre">regex</span></code> its start time is
reset to the current time and its timeout duration is changed to
<code class="docutils literal notranslate"><span class="pre">seconds</span></code>. Prior to this, the timeout duration is determined by the
<span class="target" id="index-0-prop_test:TIMEOUT"></span><a class="reference internal" href="TIMEOUT.html#prop_test:TIMEOUT" title="TIMEOUT"><code class="xref cmake cmake-prop_test docutils literal notranslate"><span class="pre">TIMEOUT</span></code></a> property or the <span class="target" id="index-0-variable:CTEST_TEST_TIMEOUT"></span><a class="reference internal" href="../variable/CTEST_TEST_TIMEOUT.html#variable:CTEST_TEST_TIMEOUT" title="CTEST_TEST_TIMEOUT"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CTEST_TEST_TIMEOUT</span></code></a>
variable if either of these are set. Because the test's start time is
reset, its execution time will not include any time that was spent
waiting for the matching output.</p>
<p><span class="target" id="index-0-prop_test:TIMEOUT_AFTER_MATCH"></span><a class="reference internal" href="#prop_test:TIMEOUT_AFTER_MATCH" title="TIMEOUT_AFTER_MATCH"><code class="xref cmake cmake-prop_test docutils literal notranslate"><span class="pre">TIMEOUT_AFTER_MATCH</span></code></a> is useful for avoiding spurious
timeouts when your test must wait for some system resource to become
available before it can execute. Set <span class="target" id="index-1-prop_test:TIMEOUT"></span><a class="reference internal" href="TIMEOUT.html#prop_test:TIMEOUT" title="TIMEOUT"><code class="xref cmake cmake-prop_test docutils literal notranslate"><span class="pre">TIMEOUT</span></code></a> to a longer
duration that accounts for resource acquisition and use
<span class="target" id="index-1-prop_test:TIMEOUT_AFTER_MATCH"></span><a class="reference internal" href="#prop_test:TIMEOUT_AFTER_MATCH" title="TIMEOUT_AFTER_MATCH"><code class="xref cmake cmake-prop_test docutils literal notranslate"><span class="pre">TIMEOUT_AFTER_MATCH</span></code></a> to control how long the actual test
is allowed to run.</p>
<p>If the required resource can be controlled by CTest you should use
<span class="target" id="index-0-prop_test:RESOURCE_LOCK"></span><a class="reference internal" href="RESOURCE_LOCK.html#prop_test:RESOURCE_LOCK" title="RESOURCE_LOCK"><code class="xref cmake cmake-prop_test docutils literal notranslate"><span class="pre">RESOURCE_LOCK</span></code></a> instead of <span class="target" id="index-2-prop_test:TIMEOUT_AFTER_MATCH"></span><a class="reference internal" href="#prop_test:TIMEOUT_AFTER_MATCH" title="TIMEOUT_AFTER_MATCH"><code class="xref cmake cmake-prop_test docutils literal notranslate"><span class="pre">TIMEOUT_AFTER_MATCH</span></code></a>.
This property should be used when only the test itself can determine
when its required resources are available.</p>
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<li><a class="reference internal" href="#">TIMEOUT_AFTER_MATCH</a><ul>
<li><a class="reference internal" href="#usage">Usage</a></li>
<li><a class="reference internal" href="#description">Description</a></li>
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