From ef1aa10fdb45e0fe7a03382a6a5b26a6aa0dc7bd Mon Sep 17 00:00:00 2001
From: Henry Fredrick Schreiner <henry.fredrick.schreiner@cern.ch>
Date: Wed, 18 Apr 2018 23:42:17 +0200
Subject: [PATCH] Test all optionals

---
 tests/OptionalTest.cpp | 54 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 49 insertions(+), 5 deletions(-)

diff --git a/tests/OptionalTest.cpp b/tests/OptionalTest.cpp
index 305f4274..b67e4ade 100644
--- a/tests/OptionalTest.cpp
+++ b/tests/OptionalTest.cpp
@@ -3,10 +3,10 @@
 
 #include "app_helper.hpp"
 
-#ifdef CLI11_OPTIONAL
+#ifdef CLI11_STD_OPTIONAL
 
-TEST_F(TApp, OptionalTest) {
-    CLI::optional<int> opt;
+TEST_F(TApp, StdOptionalTest) {
+    std::optional<int> opt;
     app.add_option("-c,--count", opt);
     run();
     EXPECT_FALSE(opt);
@@ -24,8 +24,52 @@ TEST_F(TApp, OptionalTest) {
     EXPECT_EQ(*opt, 3);
 }
 
-#else
+#endif
+#ifdef CLI11_EXPERIMENTAL_OPTIONAL
 
-TEST_F(TApp, DISABLED_OptionalTest) {}
+TEST_F(TApp, ExperimentalOptionalTest) {
+    std::experimental::optional<int> opt;
+    app.add_option("-c,--count", opt);
+    run();
+    EXPECT_FALSE(opt);
+
+    app.reset();
+    args = {"-c", "1"};
+    run();
+    EXPECT_TRUE(opt);
+    EXPECT_EQ(*opt, 1);
+
+    app.reset();
+    args = {"--count", "3"};
+    run();
+    EXPECT_TRUE(opt);
+    EXPECT_EQ(*opt, 3);
+}
 
 #endif
+#ifdef CLI11_BOOST_OPTIONAL
+
+TEST_F(TApp, BoostOptionalTest) {
+    boost::optional<int> opt;
+    app.add_option("-c,--count", opt);
+    run();
+    EXPECT_FALSE(opt);
+
+    app.reset();
+    args = {"-c", "1"};
+    run();
+    EXPECT_TRUE(opt);
+    EXPECT_EQ(*opt, 1);
+
+    app.reset();
+    args = {"--count", "3"};
+    run();
+    EXPECT_TRUE(opt);
+    EXPECT_EQ(*opt, 3);
+}
+
+#endif
+
+#ifndef CLI11_OPTIONAL
+TEST_F(TApp, DISABLED_OptionalTest) {}
+#endif