1 files changed, 54 insertions, 0 deletions
diff --git a/entityx/Components_test.cc b/entityx/Components_test.cc
new file mode 100644
index 0000000..e32fb46
--- /dev/null
+++ b/entityx/Components_test.cc
@@ -0,0 +1,54 @@
+/**
+ * Copyright (C) 2012 Alec Thomas <alec@swapoff.org>
+ * All rights reserved.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution.
+ * 
+ * Author: Alec Thomas <alec@swapoff.org>
+ */
+
+#include <gtest/gtest.h>
+#include "entityx/Components.h"
+
+using namespace std;
+using namespace boost;
+using namespace entity;
+
+
+struct Position : public Component<Position> {};
+
+
+template <typename T>
+int size(const T &t) {
+  int n = 0;
+  for (auto i : t) {
+    ++n;
+  }
+  return n;
+}
+
+
+TEST(TagsComponentTest, TestVariadicConstruction) {
+  auto tags = TagsComponent("player", "indestructible");
+  unordered_set<string> expected;
+  expected.insert("player");
+  expected.insert("indestructible");
+  ASSERT_TRUE(expected == tags.tags);
+}
+
+TEST(TagsComponentTest, TestEntitiesWithTag) {
+  EventManager ev;
+  EntityManager en(ev);
+  Entity a = en.create();
+  en.assign<Position>(a);
+  for (int i = 0; i < 99; ++i) {
+    auto e = en.create();
+    en.assign<Position>(e);
+    en.assign<TagsComponent>(e, "positionable");
+  }
+  en.assign<TagsComponent>(a, "player", "indestructible");
+  auto entities = en.entities_with_components<Position>();
+  ASSERT_EQ(100, size(entities));
+  ASSERT_EQ(1, size(TagsComponent::view(entities, "player")));
+}