test: json stuff

source/armarx/navigation/algorithms/test/algorithms_spfa_test.cpp

@@ -158,8 +158,8 @@ BOOST_AUTO_TEST_CASE(testGrid)
     const float cellSize = j.at("cell_size"); // [mm]
     BOOST_REQUIRE_GT(cellSize, 0);
 
-    std::vector<float> sceneBoundsMinV(j["scene_bounds"]["min"]);
-    std::vector<float> sceneBoundsMaxV(j["scene_bounds"]["max"]);
+    const std::vector<float> sceneBoundsMinV(j.at("scene_bounds").at("min"));
+    const std::vector<float> sceneBoundsMaxV(j.at("scene_bounds").at("max"));
     BOOST_REQUIRE_EQUAL(sceneBoundsMinV.size(), 2);
     BOOST_REQUIRE_EQUAL(sceneBoundsMaxV.size(), 2);
 
@@ -212,8 +212,8 @@ BOOST_AUTO_TEST_CASE(testSPFAPlanWObstacleDistance)
     const float cellSize = j.at("cell_size"); // [mm]
     BOOST_REQUIRE_GT(cellSize, 0);
 
-    std::vector<float> sceneBoundsMinV(j["scene_bounds"]["min"]);
-    std::vector<float> sceneBoundsMaxV(j["scene_bounds"]["max"]);
+    std::vector<float> sceneBoundsMinV(j.at("scene_bounds"]["min"));
+    std::vector<float> sceneBoundsMaxV(j.at("scene_bounds"]["max"));
     BOOST_REQUIRE_EQUAL(sceneBoundsMinV.size(), 2);
     BOOST_REQUIRE_EQUAL(sceneBoundsMaxV.size(), 2);