1 files changed, 96 insertions, 0 deletions
diff --git a/src/boost/libs/xpressive/test/test_skip.cpp b/src/boost/libs/xpressive/test/test_skip.cpp
new file mode 100644
index 00000000..ba36194d
--- /dev/null
+++ b/src/boost/libs/xpressive/test/test_skip.cpp
@@ -0,0 +1,96 @@
+///////////////////////////////////////////////////////////////////////////////
+// test_skip.hpp
+//
+//  Copyright 2008 Eric Niebler. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <map>
+#include <iostream>
+#include <boost/xpressive/xpressive.hpp>
+#include <boost/xpressive/regex_actions.hpp>
+#include <boost/test/unit_test.hpp>
+
+using namespace boost::unit_test;
+using namespace boost::xpressive;
+
+void test1()
+{
+    std::string s = "a a b b c c";
+
+    sregex rx =
+        "a a" >>
+        skip(_s)
+        (
+             (s1= as_xpr('b')) >>
+             as_xpr('b') >>
+            *as_xpr('c')    // causes backtracking
+        ) >>
+        "c c";
+
+    smatch what;
+    BOOST_CHECK( regex_match(s, what, rx) );
+
+    s = "123,456,789";
+    sregex rx2 = skip(',')(+_d);
+    BOOST_CHECK( regex_match(s, what, rx2) );
+
+    s = "foo";
+    sregex rx3 = skip(_s)(after("fo") >> 'o');
+    BOOST_CHECK( regex_search(s, what, rx3) );
+}
+
+template<typename Expr>
+void test_skip_aux(Expr const &expr)
+{
+    sregex rx = skip(_s)(expr);
+}
+
+void test_skip()
+{
+    int i=0;
+    std::map<std::string, int> syms;
+    std::locale loc;
+
+    test_skip_aux( 'a' );
+    test_skip_aux( _ );
+    test_skip_aux( +_ );
+    test_skip_aux( -+_ );
+    test_skip_aux( !_ );
+    test_skip_aux( -!_ );
+    test_skip_aux( repeat<0,42>(_) );
+    test_skip_aux( -repeat<0,42>(_) );
+    test_skip_aux( _ >> 'a' );
+    test_skip_aux( _ >> 'a' | _ );
+    test_skip_aux( _ >> 'a' | _ >> 'b' );
+    test_skip_aux( s1= _ >> 'a' | _ >> 'b' );
+    test_skip_aux( icase(_ >> 'a' | _ >> 'b') );
+    test_skip_aux( imbue(loc)(_ >> 'a' | _ >> 'b') );
+    test_skip_aux( (set='a') );
+    test_skip_aux( (set='a','b') );
+    test_skip_aux( ~(set='a') );
+    test_skip_aux( ~(set='a','b') );
+    test_skip_aux( range('a','b') );
+    test_skip_aux( ~range('a','b') );
+    test_skip_aux( set['a' | alpha] );
+    test_skip_aux( ~set['a' | alpha] );
+    test_skip_aux( before(_) );
+    test_skip_aux( ~before(_) );
+    test_skip_aux( after(_) );
+    test_skip_aux( ~after(_) );
+    test_skip_aux( keep(*_) );
+    test_skip_aux( (*_)[ref(i) = as<int>(_) + 1] );
+    test_skip_aux( (a1= syms)[ref(i) = a1 + 1] );
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// init_unit_test_suite
+//
+test_suite* init_unit_test_suite( int argc, char* argv[] )
+{
+    test_suite *test = BOOST_TEST_SUITE("test skip()");
+
+    test->add(BOOST_TEST_CASE(&test1));
+
+    return test;
+}