From a951db18fd0edfe19e9e75b91bb30dfa731dbd9c Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Sat, 25 Jun 2011 11:00:47 -0700
Subject: uhd: work on templated property class

---
 host/tests/CMakeLists.txt    |  1 +
 host/tests/property_test.cpp | 75 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 host/tests/property_test.cpp

(limited to 'host/tests')

diff --git a/host/tests/CMakeLists.txt b/host/tests/CMakeLists.txt
index b7bcfb7d5..133763591 100644
--- a/host/tests/CMakeLists.txt
+++ b/host/tests/CMakeLists.txt
@@ -27,6 +27,7 @@ SET(test_sources
     error_test.cpp
     gain_group_test.cpp
     msg_test.cpp
+    property_test.cpp
     ranges_test.cpp
     sph_recv_test.cpp
     sph_send_test.cpp
diff --git a/host/tests/property_test.cpp b/host/tests/property_test.cpp
new file mode 100644
index 000000000..c5ef7f1c9
--- /dev/null
+++ b/host/tests/property_test.cpp
@@ -0,0 +1,75 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <boost/test/unit_test.hpp>
+#include <uhd/property.hpp>
+#include <boost/bind.hpp>
+
+struct coercer_type{
+    int doit(int x){
+        return x & ~0x3;
+    }
+};
+
+struct setter_type{
+    void doit(int x){
+        _x = x;
+    }
+
+    int _x;
+};
+
+BOOST_AUTO_TEST_CASE(test_prop_simple){
+    uhd::property<int> prop;
+    prop.set(42);
+    BOOST_CHECK_EQUAL(prop.get(), 42);
+    prop.set(34);
+    BOOST_CHECK_EQUAL(prop.get(), 34);
+}
+
+BOOST_AUTO_TEST_CASE(test_prop_with_subscriber){
+    uhd::property<int> prop;
+
+    setter_type setter;
+    prop.subscribe(boost::bind(&setter_type::doit, &setter, _1));
+
+    prop.set(42);
+    BOOST_CHECK_EQUAL(prop.get(), 42);
+    BOOST_CHECK_EQUAL(setter._x, 42);
+
+    prop.set(34);
+    BOOST_CHECK_EQUAL(prop.get(), 34);
+    BOOST_CHECK_EQUAL(setter._x, 34);
+}
+
+BOOST_AUTO_TEST_CASE(test_prop_with_coercion){
+    uhd::property<int> prop;
+
+    setter_type setter;
+    prop.subscribe(boost::bind(&setter_type::doit, &setter, _1));
+
+    coercer_type coercer;
+    prop.subscribe_master(boost::bind(&coercer_type::doit, &coercer, _1));
+
+    prop.set(42);
+    BOOST_CHECK_EQUAL(prop.get(), 40);
+    BOOST_CHECK_EQUAL(setter._x, 40);
+
+    prop.set(34);
+    BOOST_CHECK_EQUAL(prop.get(), 32);
+    BOOST_CHECK_EQUAL(setter._x, 32);
+}
-- 
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