From 94592641f0647563bc4d2163805d5284a6796273 Mon Sep 17 00:00:00 2001
From: Aaron Rossetto <aaron.rossetto@ni.com>
Date: Wed, 28 Aug 2019 08:32:00 -0500
Subject: uhd: Check property type at access; error if mismatch

---
 host/tests/property_test.cpp | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'host/tests/property_test.cpp')

diff --git a/host/tests/property_test.cpp b/host/tests/property_test.cpp
index 907ca9f73..732e3ca84 100644
--- a/host/tests/property_test.cpp
+++ b/host/tests/property_test.cpp
@@ -239,7 +239,6 @@ BOOST_AUTO_TEST_CASE(test_prop_subtree)
         tree_dirs2.begin(), tree_dirs2.end(), subtree2_dirs.begin(), subtree2_dirs.end());
 }
 
-
 BOOST_AUTO_TEST_CASE(test_prop_operators)
 {
     uhd::fs_path path1 = "/root/";
@@ -259,3 +258,22 @@ BOOST_AUTO_TEST_CASE(test_prop_operators)
     path4              = path4 / x;
     BOOST_CHECK_EQUAL(path4, "/root/2");
 }
+
+BOOST_AUTO_TEST_CASE(test_mismatched_type_access)
+{
+    uhd::property_tree::sptr tree = uhd::property_tree::make();
+
+    // accesses of the correct type should succeed
+    tree->create<int>("/intprop");
+    tree->create<double>("/doubleprop");
+    tree->create<std::string>("/stringprop");
+    BOOST_CHECK_NO_THROW(tree->access<int>("/intprop"));
+    BOOST_CHECK_NO_THROW(tree->access<double>("/doubleprop"));
+    BOOST_CHECK_NO_THROW(tree->access<std::string>("/stringprop"));
+
+    // accesses of the incorrect type should throw an exception
+    BOOST_CHECK_THROW(tree->access<int>("/doubleprop"), uhd::runtime_error);
+    BOOST_CHECK_THROW(tree->access<double>("/stringprop"), uhd::runtime_error);
+    BOOST_CHECK_THROW(tree->access<std::string>("/intprop"), uhd::runtime_error);
+}
+
-- 
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