Add unit tests to see coverage increase (#2267)

Co-authored-by: Florian Omnès <[email protected]>

src/libs/antares/study/study.cpp

@@ -1309,6 +1309,7 @@ void Study::resizeAllTimeseriesNumbers(uint n)
     bindingConstraintsGroups.resizeAllTimeseriesNumbers(n);
 }
 
+// TODO VP: Could be removed with the GUI
 bool Study::checkForFilenameLimits(bool output, const String& chfolder) const
 {
     enum

src/tests/src/libs/antares/study/test_study.cpp

@@ -291,4 +291,24 @@ BOOST_AUTO_TEST_CASE(version_parsing)
     BOOST_CHECK(!v.fromString("4.5"));
     BOOST_CHECK(v == StudyVersion::unknown());
 }
+
+BOOST_FIXTURE_TEST_CASE(check_filename_limit, OneAreaStudy)
+{
+    auto s = std::make_unique<Study>();
+    BOOST_CHECK(s->checkForFilenameLimits(true)); // empty areas should return true
+
+    BOOST_CHECK(study->checkForFilenameLimits(true));
+    BOOST_CHECK(study->checkForFilenameLimits(false));
+    BOOST_CHECK(study->checkForFilenameLimits(true, "abc"));
+
+#ifdef YUNI_OS_WINDOWS
+    std::string area1name(128, 'a');
+    std::string area2name(128, 'b');
+    auto areaB = study->areaAdd(area1name);
+    auto areaC = study->areaAdd(area2name);
+    AreaAddLinkBetweenAreas(areaB, areaC);
+    BOOST_CHECK(!study->checkForFilenameLimits(true));
+#endif
+}
+
 BOOST_AUTO_TEST_SUITE_END() // version