From 3a635ee8e8ba58eb3800307f8a565f4447212286 Mon Sep 17 00:00:00 2001
From: "Frank T. Bergmann" <frank.thomas.bergmann@gmail.com>
Date: Fri, 10 May 2024 10:15:03 +0200
Subject: [PATCH]  - add test for stepsize

---
 test/copasijs_test.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/test/copasijs_test.cpp b/test/copasijs_test.cpp
index 879a48f..b3ef47a 100644
--- a/test/copasijs_test.cpp
+++ b/test/copasijs_test.cpp
@@ -124,6 +124,40 @@ TEST_CASE("Simulate SBML multiple times", "[copasijs][multiple]")
 
 }
 
+
+TEST_CASE("Test stepsize in multiple runs", "[copasijs][multiple]")
+{
+    Instance instance;
+    std::string model = loadFromFile(getTestFile("../example_files/oscli.xml"));
+
+    
+    nlohmann::ordered_json yaml;
+    yaml["problem"]["OutputStartTime"] = 0;
+    yaml["problem"]["Duration"] = 10;
+    yaml["problem"]["StepSize"] = 1;
+
+    auto data = simulateJSON(yaml);
+    CAPTURE(data);
+    CAPTURE(getTimeCourseSettings());
+    auto json = nlohmann::json::parse(data);
+    REQUIRE(json["recorded_steps"].get<int>() == 11);
+
+    yaml["problem"]["OutputStartTime"] = 10;
+    yaml["problem"]["Duration"] = 20;
+    data = simulateJSON(yaml);
+    CAPTURE(data);
+    CAPTURE(getTimeCourseSettings());
+    json = nlohmann::json::parse(data);
+    REQUIRE(json["recorded_steps"].get<int>() == 11);
+
+    yaml["problem"]["StepSize"] = 0.1;
+    data = simulateJSON(yaml);
+    CAPTURE(data);
+    CAPTURE(getTimeCourseSettings());
+    json = nlohmann::json::parse(data);
+    REQUIRE(json["recorded_steps"].get<int>() == 101);
+}
+
 TEST_CASE("Load SBML Model", "[copasijs][sbml]")
 {
     Instance instance;