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diff --git a/src/mesh/assimp-master/test/unit/Common/utAssertHandler.cpp b/src/mesh/assimp-master/test/unit/Common/utAssertHandler.cpp
new file mode 100644
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--- /dev/null
+++ b/src/mesh/assimp-master/test/unit/Common/utAssertHandler.cpp
@@ -0,0 +1,110 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+
+#include "UnitTestPCH.h"
+
+/// Ensure this test has asserts on, even if the build type doesn't have asserts by default.
+#if !defined(ASSIMP_BUILD_DEBUG)
+#define ASSIMP_BUILD_DEBUG
+#endif
+
+#include <assimp/ai_assert.h>
+#include <code/Common/AssertHandler.h>
+
+namespace
+{
+    /// An exception which is thrown by the testAssertHandler
+    struct TestAssertException
+    {
+        TestAssertException(const char* failedExpression, const char* file, int line)
+            : m_failedExpression(failedExpression)
+            , m_file(file)
+            , m_line(line)
+        {
+        }
+
+        std::string m_failedExpression;
+        std::string m_file;
+        int m_line;
+    };
+
+    /// Swap the default handler, which aborts, by one which throws.
+    void testAssertHandler(const char* failedExpression, const char* file, int line)
+    {
+        throw TestAssertException(failedExpression, file, line);
+    }
+
+    /// Ensure that the default assert handler is restored after the test is finished.
+    struct ReplaceHandlerScope
+    {
+        ReplaceHandlerScope()
+        {
+            Assimp::setAiAssertHandler(testAssertHandler);
+        }
+
+        ~ReplaceHandlerScope()
+        {
+            Assimp::setAiAssertHandler(Assimp::defaultAiAssertHandler);
+        }
+    };
+}
+
+TEST(utAssertHandler, replaceWithThrow)
+{
+    ReplaceHandlerScope scope;
+
+    try
+    {
+        ai_assert((2 + 2 == 5) && "Sometimes people put messages here");
+        EXPECT_TRUE(false);
+    }
+    catch(const TestAssertException& e)
+    {
+        EXPECT_STREQ(e.m_failedExpression.c_str(), "(2 + 2 == 5) && \"Sometimes people put messages here\"");
+        EXPECT_STREQ(e.m_file.c_str(), __FILE__);
+        EXPECT_GT(e.m_line, 0);
+        EXPECT_LT(e.m_line, __LINE__);
+    }
+    catch(...)
+    {
+        EXPECT_TRUE(false);
+    }
+}