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authorBen Longbons <b.r.longbons@gmail.com>2014-06-27 18:10:48 -0700
committerBen Longbons <b.r.longbons@gmail.com>2014-06-27 18:10:48 -0700
commit63c2e854ed2c9778ea9225d86578b4e9b65900ee (patch)
treebcd4dd86155ec59288e11b9a2bfcdebfc64f766f /src/sexpr/variant_test.cpp
parent23c6155f8e6ce93f41597e7aa860cca0b5110e4b (diff)
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Port the Variant junk
Diffstat (limited to 'src/sexpr/variant_test.cpp')
-rw-r--r--src/sexpr/variant_test.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/sexpr/variant_test.cpp b/src/sexpr/variant_test.cpp
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+#include "variant.hpp"
+// variant_test.cpp - Testsuite for multi-type container that's better than boost's.
+//
+// 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/vstring.hpp"
+
+//#include "../poison.hpp"
+
+
+namespace tmwa
+{
+#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
+
+ struct Tracker
+ {
+ int id, moves, copies;
+
+ explicit
+ Tracker(int i)
+ : id(i), moves(0), copies(0)
+ {}
+ Tracker(Tracker&& rhs)
+ : id(rhs.id), moves(rhs.moves + 1), copies(rhs.copies)
+ { rhs.id = 0; }
+ Tracker(const Tracker& rhs)
+ : id(rhs.id), moves(rhs.moves), copies(rhs.copies + 1)
+ {}
+ Tracker& operator = (Tracker&& rhs)
+ { id = rhs.id; moves = rhs.moves + 1; copies = rhs.copies; rhs.id = 0; return *this; }
+ Tracker& operator = (const Tracker& rhs)
+ { id = rhs.id; moves = rhs.moves; copies = rhs.copies + 1; return *this; }
+ };
+ struct Foo : Tracker
+ {
+ // needed for first param of variant
+ Foo() noexcept : Tracker(0) { abort(); }
+
+ Foo(int i) : Tracker(i) {}
+ };
+ struct Bar : Tracker
+ {
+ Bar(int i) : Tracker(i) {}
+ };
+ struct Qux : Tracker
+ {
+ // needed for first param of variant
+ Qux() noexcept : Tracker(0) { abort(); }
+
+ Qux(int i) : Tracker(i) {}
+ Qux(Qux&&) = default;
+ Qux(const Qux&) = delete;
+ Qux& operator = (Qux&&) = default;
+ Qux& operator = (const Qux&) = default;
+ };
+
+TEST(variant, match)
+{
+ struct Sub : sexpr::Variant<Foo, Bar>
+ {
+ Sub()
+ : sexpr::Variant<Foo, Bar>(Foo(1))
+ {}
+ };
+ Sub v1;
+ MATCH (v1)
+ {
+ // This is not a public API, it's just for testing.
+ default:
+ FAIL();
+
+ CASE(Foo, f)
+ {
+ (void)f;
+ SUCCEED();
+ }
+ CASE(Bar, b)
+ {
+ (void)b;
+ FAIL();
+ }
+ }
+ v1.emplace<Bar>(2);
+ MATCH (v1)
+ {
+ // This is not a public API, it's just for testing.
+ default:
+ FAIL();
+
+ CASE(Foo, f)
+ {
+ (void)f;
+ FAIL();
+ }
+ CASE(Bar, b)
+ {
+ (void)b;
+ SUCCEED();
+ }
+ }
+}
+
+TEST(variant, copymove)
+{
+ sexpr::Variant<Qux> moveonly(Qux(3));
+ (void)moveonly;
+}
+} // namespace tmwa