Introduce cxa_virtual.cpp and cxa_guard.cpp. Contributed by Nick Lewycky, Howard Hinnant and John McCall

llvm-svn: 132009

1 files changed, 59 insertions, 0 deletions

diff --git a/libcxxabi/test/test_guard.cpp b/libcxxabi/test/test_guard.cpp
new file mode 100644
index 00000000000..c69b8e73077
--- /dev/null
+++ b/libcxxabi/test/test_guard.cpp
@@ -0,0 +1,59 @@
+//===----------------------------- test_guard.cpp -------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "cxxabi.h"
+
+#include <cassert>
+
+namespace test1 {
+    static int run_count = 0;
+    int increment() {
+        ++run_count;
+        return 0;
+    }
+    void helper() {
+        static int a = increment();
+    }
+    void test() {
+        static int a = increment();
+        assert(run_count == 1);
+        static int b = increment();
+        assert(run_count == 2);
+        helper();
+        assert(run_count == 3);
+        helper();
+        assert(run_count == 3);
+    }
+}
+
+namespace test2 {
+    static int run_count = 0;
+    int increment() {
+        ++run_count;
+        throw 0;
+    }
+    void helper() {
+        try {
+            static int a = increment();
+            assert(0);
+        } catch (...) {}
+    }
+    void test() {
+        helper();
+        assert(run_count == 1);
+        helper();
+        assert(run_count == 2);
+    }
+}
+
+int main()
+{
+    test1::test();
+    test2::test();
+}