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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<HTML>
<HEAD>
<TITLE>The 'random' parameter</TITLE>
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<DIV class="header"> <A href="../../../index.html">Boost.Test</A> &gt; <A href="../../index.html">Components</A> 
  &gt; <A href="../index.html">The Unit Test Framework</A> &gt; <A href="index.html">Parameters</A> &gt; <SPAN class="current_article">The
  random seed </SPAN></DIV>
<DIV class="body"> <IMG src="../../btl1.gif" width="252" height="43" alt="Boost Test logo"> 
  <H1 class="subtitle">The 'build info' parameter</H1>
  <TABLE class="parameter-table" cellspacing="0">
    <TR> 
      <TD class="name"><B>Parameter Name:</B></TD>
      <TD><EM>random seed for random order of test cases</EM></TD>
    </TR>
    <TR> 
      <TD class="name"><B>Environment variable name:</B></TD>
      <TD>BOOST_TEST_RANDOM</TD>
    </TR>
    <TR> 
      <TD class="name"><B>Command line argument name:</B></TD>
      <TD>random</TD>
    </TR>
    <TR> 
      <TD class="name"><B>Acceptable Values:</B></TD>
      <TD><B>0</B><BR>
        1<BR>
        integer value &gt; 1 </TD>
    </TR>
    <TR> 
      <TD class="name"><B>Description:</B></TD>
      <TD>positive value makes the framework to run the test cases in random
        order. Also if this value is greater than 1 it's used as a random seed.
        In other case random seed is generated based on current time</TD>
    </TR>
  </TABLE>
</DIV>
<DIV class="footer"> 
  <DIV class="footer-body"> 
    <P> &copy; <A name="Copyright">Copyright</A> <A href="mailto:boost-test%20at%20emailaccount%20dot%20com%20%28please%20unobscure%29">Gennadiy Rozental</A> 2001-2006. <BR>
      Distributed under the Boost Software License, Version 1.0.
      (See accompanying file <A href="../../../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</A> or copy at 
      <A href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</A>)</P>
        <P>Revised:        <!-- #BeginDate format:Sw1 -->13 July, 2005<!-- #EndDate -->     </P>
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