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51 lines
2.3 KiB
HTML
51 lines
2.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<HTML>
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<HEAD>
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<TITLE>The Test Tools</TITLE>
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<LINK rel="stylesheet" type="text/css" href="../../../style/btl.css" media="screen">
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<LINK rel="stylesheet" type="text/css" href="../../../style/btl-print.css" media="print">
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<META http-equiv="Content-Language" content="en-us">
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<META http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<STYLE type="text/css">
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H4
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{
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margin: 0px;
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}
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</STYLE>
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</HEAD>
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<BODY>
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<DIV class="body">
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<H3><A name="BOOST_IS_DEFINED">BOOST_IS_DEFINED</A>( symbol )</H3>
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<P class="first-line-indented">Unlike the rest of the tools in the toolbox this tool does not perform
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the logging itself. It's only purpose is to check at runtime whether or not the supplied preprocessor
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symbol is defined. Use it in combination with BOOST_CHECK to perform and log validation. Macros of
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any arity could be checked. To check the macro definition with non-zero arity specify dummy arguments
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for it. See below for example.</P>
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<P class="first-line-indented">The only tool's argument is a preprocessor symbol that gets validated.
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</P>
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<H4>Example: test.cpp</H4>
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<PRE class="code">#<SPAN class="reserv-word">define</SPAN> BOOST_TEST_MAIN<BR>#<SPAN class="reserv-word">include</SPAN> <<SPAN class="literal">boost/test/unit_test.hpp</SPAN>><BR>
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BOOST_AUTO_TEST_CASE( test )
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{
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BOOST_CHECK( BOOST_IS_DEFINED(SYMBOL1) );
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BOOST_CHECK( BOOST_IS_DEFINED(SYMBOL2(arg)) );
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}</PRE>
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<H4>Output:</H4>
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<P class="test-output">test.cpp(6): error in "test": check ::boost::test_tools::tt_detail::is_defined_impl( "SYMBOL1", "=
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SYMBOL1" ) failed<BR>
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test.cpp(7): error in "test": check ::boost::test_tools::tt_detail::is_defined_impl( "SYMBOL2(arg)", "=
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SYMBOL2(arg)" ) failed<BR>
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<BR>
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*** 2 failures detected in test suite "Master
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Test Suite"</P>
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<DIV class="see_also">
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<H4>See Also</H4>
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<P class="see-also-content"><A href="BOOST_CHECK.html" target="descr">BOOST_CHECK</A></P>
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</DIV>
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</DIV>
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</BODY>
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</HTML>
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<!-- Copyright Gennadiy Rozental 2001-2006.
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at www.boost.org/LICENSE_1_0.txt) -->
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