From 354b8b802eaac1b3f9e037a06cbffe9d44ad3f45 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Fri, 18 Mar 2005 05:01:49 +0000
Subject: [PATCH] Test use of function_equal

[SVN r27733]
---
 test/contains_test.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/test/contains_test.cpp b/test/contains_test.cpp
index e42cefa..36d97b9 100644
--- a/test/contains_test.cpp
+++ b/test/contains_test.cpp
@@ -31,6 +31,20 @@ bool operator==(const ReturnInt& x, const ReturnInt& y)
 bool operator!=(const ReturnInt& x, const ReturnInt& y)
 { return x.value != y.value; }
 
+struct ReturnIntFE
+{
+  explicit ReturnIntFE(int value) : value(value) {}
+
+  int operator()() const { return value; }
+
+  int value;
+};
+
+namespace boost {
+  bool function_equal(const ReturnIntFE& x, const ReturnIntFE& y)
+  { return x.value == y.value; }
+}
+
 static void target_test()
 {
   boost::function0<int> f;
@@ -76,6 +90,18 @@ static void equal_test()
 
   BOOST_CHECK(f.contains(ReturnInt(17)));
 
+  f = ReturnIntFE(17);
+  BOOST_CHECK(f != &forty_two);
+  BOOST_CHECK(f == ReturnIntFE(17));
+  BOOST_CHECK(f != ReturnIntFE(16));
+#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+  BOOST_CHECK(&forty_two != f);
+  BOOST_CHECK(ReturnIntFE(17) == f);
+  BOOST_CHECK(ReturnIntFE(16) != f);
+#endif
+
+  BOOST_CHECK(f.contains(ReturnIntFE(17)));
+
 #if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
   boost::function<int(void)> g;