From b63a6b2cfc2bc19f0f64a780e1496d53242b91e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Del=20Pino?= <stephane.delpino44@gmail.com>
Date: Sat, 31 Jul 2021 18:13:24 +0200
Subject: [PATCH] Add tests for NaNHelper
---
tests/CMakeLists.txt | 1 +
tests/test_NaNHelper.cpp | 38 ++++++++++++++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
create mode 100644 tests/test_NaNHelper.cpp
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 8cea83f72..62a70aad3 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -85,6 +85,7 @@ add_executable (unit_tests
test_ListAffectationProcessor.cpp
test_MathModule.cpp
test_NameProcessor.cpp
+ test_NaNHelper.cpp
test_OStreamProcessor.cpp
test_ParseError.cpp
test_PETScUtils.cpp
diff --git a/tests/test_NaNHelper.cpp b/tests/test_NaNHelper.cpp
new file mode 100644
index 000000000..1adbf1650
--- /dev/null
+++ b/tests/test_NaNHelper.cpp
@@ -0,0 +1,38 @@
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers_all.hpp>
+
+#include <utils/NaNHelper.hpp>
+
+#include <sstream>
+
+// clazy:excludeall=non-pod-global-static
+
+TEST_CASE("NaNHelper", "[utils]")
+{
+ SECTION("signaling NaN")
+ {
+ std::ostringstream ost_nan_helper;
+ ost_nan_helper << NaNHelper(std::numeric_limits<double>::signaling_NaN());
+
+ REQUIRE(ost_nan_helper.str() == "nan");
+ }
+
+ SECTION("valid double")
+ {
+ std::ostringstream ost_nan_helper;
+ ost_nan_helper << NaNHelper(double{3.2});
+
+ std::ostringstream ost;
+ ost << double{3.2};
+ REQUIRE(ost_nan_helper.str() == ost.str());
+ }
+
+ SECTION("non arithmetic type")
+ {
+ std::string s = "foo";
+ std::ostringstream ost_nan_helper;
+ ost_nan_helper << NaNHelper(s);
+
+ REQUIRE(ost_nan_helper.str() == s);
+ }
+}
--
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