C++ conversion (#80)

Converted project to C++

Tests/TactilityCore/MutexTest.cpp

@@ -0,0 +1,36 @@
+#include "doctest.h"
+#include "TactilityCore.h"
+#include "Mutex.h"
+
+using namespace tt;
+
+static int thread_with_mutex_parameter(void* parameter) {
+    auto* mutex = (Mutex*)parameter;
+    tt_mutex_acquire(mutex, TtWaitForever);
+    return 0;
+}
+
+TEST_CASE("a mutex can block a thread") {
+    auto* mutex = tt_mutex_alloc(MutexTypeNormal);
+    tt_mutex_acquire(mutex, TtWaitForever);
+
+    Thread* thread = thread_alloc_ex(
+        "thread",
+        1024,
+        &thread_with_mutex_parameter,
+        mutex
+    );
+    thread_start(thread);
+
+    delay_ms(5);
+    CHECK_EQ(thread_get_state(thread), ThreadStateRunning);
+
+    tt_mutex_release(mutex);
+
+    delay_ms(5);
+    CHECK_EQ(thread_get_state(thread), ThreadStateStopped);
+
+    thread_join(thread);
+    thread_free(thread);
+    tt_mutex_free(mutex);
+}