Fixes for __cxa_finalize
* Ability to register atexit handler from atexit handler
* Correct way to handle both forms of atexit handler
Bug: https://code.google.com/p/android/issues/detail?id=66595
Bug: 4998315
Change-Id: I39529afaef97b6e1469c21389d54c0d7d175da28
diff --git a/tests/atexit_test.cpp b/tests/atexit_test.cpp
new file mode 100644
index 0000000..e52235d
--- /dev/null
+++ b/tests/atexit_test.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#include <gtest/gtest.h>
+
+#include <dlfcn.h>
+#include <libgen.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdint.h>
+
+#include <string>
+
+TEST(atexit, combined_test) {
+ std::string atexit_call_sequence;
+ bool valid_this_in_static_dtor = false;
+ void* handle = dlopen("libtest_atexit.so", RTLD_NOW);
+ ASSERT_TRUE(handle != NULL);
+
+ void* sym = dlsym(handle, "register_atexit");
+ ASSERT_TRUE(sym != NULL);
+ reinterpret_cast<void (*)(std::string*, bool*)>(sym)(&atexit_call_sequence, &valid_this_in_static_dtor);
+
+ ASSERT_EQ(0, dlclose(handle));
+ // this test verifies atexit call from atexit handler. as well as the order of calls
+ ASSERT_EQ("Humpty Dumpty sat on a wall", atexit_call_sequence);
+ ASSERT_TRUE(valid_this_in_static_dtor);
+}
+
+// TODO: test for static dtor calls from from exit(.) -> __cxa_finalize(NULL)
+