test: Add test infrastructure

Add necessary CMake code to enable tests to be built and run. Most of
the logic is taken from Vulkan-ValidationLayers' and adapted for use
here.

New build option:
BUILD_TESTS - defaults to OFF. Controls whether to build tests.

1 files changed, 46 insertions, 0 deletions

diff --git a/tests/main.cpp b/tests/main.cpp
new file mode 100644
index 00000000..a14e8e99
--- /dev/null
+++ b/tests/main.cpp
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2023 The Khronos Group Inc.
+ * Copyright (c) 2023 Valve Corporation
+ * Copyright (c) 2023 LunarG, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#if defined(_WIN32) && !defined(NDEBUG)
+#include <crtdbg.h>
+#endif
+
+#include "gtest/gtest.h"
+
+int main(int argc, char **argv) {
+    int result;
+
+#if defined(_WIN32)
+#if !defined(NDEBUG)
+    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
+    _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
+#endif
+    // Avoid "Abort, Retry, Ignore" dialog boxes
+    _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
+    SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
+    _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
+    _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
+#endif
+
+    ::testing::InitGoogleTest(&argc, argv);
+
+    result = RUN_ALL_TESTS();
+
+    return result;
+}