1 files changed, 79 insertions, 0 deletions
diff --git a/src/compat/result_test.cpp b/src/compat/result_test.cpp
new file mode 100644
index 0000000..0fcc181
--- /dev/null
+++ b/src/compat/result_test.cpp
@@ -0,0 +1,79 @@
+#include "result.hpp"
+//    result_test.cpp - Testsuite for possibly failing return values
+//
+//    Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include <gtest/gtest.h>
+
+#include "../strings/literal.hpp"
+
+//#include "../poison.hpp"
+
+
+namespace tmwa
+{
+TEST(Result, inspect)
+{
+    struct Foo
+    {
+        int val;
+
+        Foo(int v) : val(v) {}
+        Foo(Foo&&) = default;
+        Foo(const Foo&) = delete;
+        Foo& operator = (Foo&&) = default;
+        Foo& operator = (const Foo&) = delete;
+
+        bool operator == (const Foo& other) const
+        {
+            return this->val == other.val;
+        }
+    };
+
+    Result<Foo> foo = Ok(Foo(1));
+    EXPECT_TRUE(foo.is_ok());
+    EXPECT_FALSE(foo.is_err());
+    EXPECT_EQ(foo.get_success(), Some(Foo(1)));
+    EXPECT_EQ(foo.get_failure(), ""_s);
+    foo = Err("oops"_s);
+    EXPECT_FALSE(foo.is_ok());
+    EXPECT_TRUE(foo.is_err());
+    EXPECT_EQ(foo.get_success(), None<Foo>());
+    EXPECT_EQ(foo.get_failure(), "oops"_s);
+}
+
+static
+Result<int> try_you(bool b)
+{
+    return b ? Ok(0) : Err("die"_s);
+}
+
+static
+Result<int> try_me(bool b)
+{
+    return Ok(TRY(try_you(b)) + 1);
+}
+
+TEST(Result, try)
+{
+    Result<int> t = try_me(true);
+    EXPECT_EQ(t.get_success(), Some(1));
+    Result<int> f = try_me(false);
+    EXPECT_EQ(f.get_failure(), "die"_s);
+}
+} // namespace tmwa