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+// file : tests/cxx/tree/detach/driver.cxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2006-2010 Code Synthesis Tools CC
+// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+// Test the detach functionality.
+//
+
+#include <memory> // std::auto_ptr
+#include <cassert>
+
+#include "test.hxx"
+
+using namespace std;
+using namespace test;
+
+int
+main ()
+{
+ // Construct the model.
+ //
+ object o1 ("o1");
+ o1.data ().push_back ("1-1");
+ o1.data ().push_back ("1-2");
+ o1.data ().push_back ("1-3");
+
+ object o2 ("o2");
+ o1.data ().push_back ("2-1");
+ o1.data ().push_back ("2-2");
+ o1.data ().push_back ("2-3");
+
+ object o3 ("o3");
+ o1.data ().push_back ("3-1");
+ o1.data ().push_back ("3-2");
+ o1.data ().push_back ("3-3");
+
+ object o4 ("o4");
+ o1.data ().push_back ("4-1");
+ o1.data ().push_back ("4-2");
+ o1.data ().push_back ("4-3");
+
+ subtree s1;
+ s1.o ().push_back (o1);
+ s1.o ().push_back (o2);
+ s1.r ().push_back (ref ("o2"));
+ s1.r ().push_back (ref ("o3"));
+
+ subtree s2;
+ s2.o ().push_back (o3);
+ s2.o ().push_back (o4);
+ s2.r ().push_back (ref ("o4"));
+ s2.r ().push_back (ref ("o1"));
+
+ model m;
+ m.one (s1);
+ m.opt (s2);
+
+ // Detach one.
+ //
+ auto_ptr<subtree> p (m.detach_one ());
+ assert (p->_container () == 0);
+ assert (p->r ()[0].get () == &p->o ()[1]);
+ assert (m.opt ()->r ()[1].get () == 0);
+
+ m.one (p);
+ assert (m.opt ()->r ()[1].get () == &m.one ().o ()[0]);
+ p = m.detach_one ();
+
+ model m1;
+ m1.one (p);
+ m1.opt (s2);
+ assert (m1.opt ()->r ()[1].get () == &m1.one ().o ()[0]);
+
+ p = m1.detach_one ();
+ m.seq ().push_back (p);
+
+ // Detach opt.
+ //
+ p = m.opt ().detach ();
+ assert (!m.opt ());
+ assert (p->_container () == 0);
+ assert (p->r ()[0].get () == &p->o ()[1]);
+ assert (m.seq ()[0].r ()[1].get () == 0);
+
+ m.seq ().push_back (p);
+
+ // Detach seq.
+ //
+ p = m.seq ().detach_back ();
+ assert (p->_container () == 0);
+ assert (p->r ()[0].get () == &p->o ()[1]);
+ assert (m.seq ()[0].r ()[1].get () == 0);
+
+ m.seq ().push_back (p);
+ assert (m.seq ()[0].r ()[1].get () == &m.seq ()[1].o ()[0]);
+
+ m.seq ().detach (m.seq ().begin (), p);
+ assert (p->_container () == 0);
+ assert (p->r ()[0].get () == &p->o ()[1]);
+ assert (m.seq ()[0].r ()[1].get () == 0);
+}