From 98c57b6117c7cab26954d456230cfd5a70442104 Mon Sep 17 00:00:00 2001
From: Ian Bell <ian.bell@nist.gov>
Date: Thu, 20 May 2021 14:11:31 -0400
Subject: [PATCH] More useful message if JSON path is invalid to fluid file
---
include/teqp/models/multifluid.hpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/teqp/models/multifluid.hpp b/include/teqp/models/multifluid.hpp
index cf83571..9cd7a8b 100644
--- a/include/teqp/models/multifluid.hpp
+++ b/include/teqp/models/multifluid.hpp
@@ -219,7 +219,12 @@ public:
using namespace nlohmann;
auto i = 0;
for (auto& c : components) {
- auto j = json::parse(std::ifstream(coolprop_root + "/dev/fluids/" + c + ".json"));
+ std::string path = coolprop_root + "/dev/fluids/" + c + ".json";
+ std::ifstream ifs(path);
+ if (!ifs) {
+ throw std::invalid_argument("Load path is invalid: " + path);
+ }
+ auto j = json::parse(ifs);
auto red = j["EOS"][0]["STATES"]["reducing"];
double Tc_ = red["T"];
double rhoc_ = red["rhomolar"];
--
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