From 3b8833efe6ab21387b6f73b4a4ef757445801623 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles.kerr@canonical.com>
Date: Tue, 17 Dec 2013 22:10:18 -0600
Subject: add geoclue, glib test fixtures

---
 tests/test-core.cc | 148 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 tests/test-core.cc

(limited to 'tests/test-core.cc')

diff --git a/tests/test-core.cc b/tests/test-core.cc
new file mode 100644
index 0000000..7ed38a9
--- /dev/null
+++ b/tests/test-core.cc
@@ -0,0 +1,148 @@
+
+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ *   Charles Kerr <charles.kerr@canonical.com>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, 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 <condition_variable>
+#include <mutex>
+#include <queue>
+#include <thread>
+
+#include <langinfo.h>
+#include <locale.h>
+
+#include <glib/gi18n.h>
+
+#include <core/connection.h>
+#include <core/signal.h>
+#include <core/property.h>
+
+#include "glib-fixture.h"
+
+/***
+****
+***/
+
+class CoreFixture: public GlibFixture
+{
+  private:
+
+    typedef GlibFixture super;
+
+  protected:
+
+    virtual void SetUp ()
+    {
+      super::SetUp ();
+    }
+
+    virtual void TearDown ()
+    {
+      super::TearDown ();
+    }
+};
+
+namespace
+{
+struct EventLoop
+{
+    typedef std::function<void()> Handler;
+
+    void stop()
+    {
+        stop_requested = true;
+    }
+
+    void run()
+    {
+        while (!stop_requested)
+        {
+            std::unique_lock<std::mutex> ul(guard);
+            wait_condition.wait_for(
+                        ul,
+                        std::chrono::milliseconds{500},
+                        [this]() { return handlers.size() > 0; });
+
+            std::cerr << "handlers.size() is " << handlers.size() << std::endl;
+            while (handlers.size() > 0)
+            {
+                std::cerr << "gaba begin" << std::endl;
+                handlers.front()();
+                std::cerr << "gaba end" << std::endl;
+                handlers.pop();
+            }
+        }
+    }
+
+    void dispatch(const Handler& h)
+    {
+std::cerr << "in dispatch" << std::endl;
+        std::lock_guard<std::mutex> lg(guard);
+        handlers.push(h);
+    }
+
+    bool stop_requested = false;
+    std::queue<Handler> handlers;
+    std::mutex guard;
+    std::condition_variable wait_condition;
+};
+}
+
+
+TEST_F (CoreFixture, HelloWorld)
+{
+    // We instantiate an event loop and run it on a different thread than the main one.
+    EventLoop dispatcher;
+    std::thread dispatcher_thread{[&dispatcher]() { dispatcher.run(); }};
+    std::thread::id dispatcher_thread_id = dispatcher_thread.get_id();
+
+    // The signal that we want to dispatch via the event loop.
+    core::Signal<int, double> s;
+
+    static const int expected_invocation_count = 10000;
+
+    // Setup the connection. For each invocation we check that the id of the
+    // thread the handler is being called upon equals the thread that the
+    // event loop is running upon.
+    auto connection = s.connect(
+                [&dispatcher, dispatcher_thread_id](int value, double d)
+                {
+                    std::cerr << "this is the lambda" << std::endl;
+                    EXPECT_EQ(dispatcher_thread_id,
+                              std::this_thread::get_id());
+
+                    std::cout << d << std::endl;
+
+                    if (value == expected_invocation_count)
+                        dispatcher.stop();
+                });
+
+    // Route the connection via the dispatcher
+    connection.dispatch_via(
+                std::bind(
+                    &EventLoop::dispatch,
+                    std::ref(dispatcher),
+                    std::placeholders::_1));
+
+    // Invoke the signal from the main thread.
+    for (unsigned int i = 1; i <= expected_invocation_count; i++)
+        s(i, 42.);
+
+    if (dispatcher_thread.joinable())
+        dispatcher_thread.join();
+}
-- 
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