From ed18ed376bcc71938ad73872148a3146814d831f Mon Sep 17 00:00:00 2001
From: Lane Kolbly <lane.kolbly@ni.com>
Date: Thu, 23 Dec 2021 09:39:39 -0600
Subject: host: Throw exception when accessing properties with incorrect type

---
 host/tests/property_test.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'host/tests')

diff --git a/host/tests/property_test.cpp b/host/tests/property_test.cpp
index 9776dd91b..ff9434fd1 100644
--- a/host/tests/property_test.cpp
+++ b/host/tests/property_test.cpp
@@ -7,6 +7,7 @@
 //
 
 #include <uhd/property_tree.hpp>
+#include <uhd/types/ranges.hpp>
 #include <boost/test/unit_test.hpp>
 #include <exception>
 #include <functional>
@@ -228,6 +229,30 @@ BOOST_AUTO_TEST_CASE(test_prop_tree)
     BOOST_CHECK(not tree->exists("/test/prop1"));
 }
 
+BOOST_AUTO_TEST_CASE(test_prop_tree_wrong_type)
+{
+    uhd::property_tree::sptr tree = uhd::property_tree::make();
+    tree->create<int>("/test/prop0");
+    BOOST_CHECK_THROW(tree->access<std::string>("/test/prop0"), uhd::type_error);
+}
+
+BOOST_AUTO_TEST_CASE(test_prop_tree_wrong_type_range)
+{
+    uhd::property_tree::sptr tree = uhd::property_tree::make();
+
+    // Create the property
+    tree->create<uhd::range_t>("/test/prop1");
+    uhd::range_t singleton_range(5.0);
+    tree->access<uhd::range_t>("/test/prop1").set(singleton_range);
+
+    // Check it throws a type error
+    BOOST_CHECK_THROW(tree->access<std::string>("/test/prop1"), uhd::type_error);
+
+    // Check we can access its value
+    auto& prop = tree->access<uhd::range_t>("/test/prop1");
+    BOOST_CHECK_EQUAL(prop.get().start(), 5.0);
+}
+
 BOOST_AUTO_TEST_CASE(test_prop_subtree)
 {
     uhd::property_tree::sptr tree = uhd::property_tree::make();
-- 
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