Document how to use tzalloc()/tzfree() with std::unique_ptr.
The hidden pointer makes this trickier than the usual incantation, so
leave some copy & paste lying around for anyone trying to work this out.
Test: treehugger
Change-Id: I26e94bf7a74ce3e43de587edc52ab63e36d1d86b
diff --git a/tests/time_test.cpp b/tests/time_test.cpp
index abf6ce0..ec59aa7 100644
--- a/tests/time_test.cpp
+++ b/tests/time_test.cpp
@@ -1452,3 +1452,12 @@
GTEST_SKIP() << "glibc doesn't have timezone_t";
#endif
}
+
+TEST(time, tzalloc_unique_ptr) {
+#if __BIONIC__
+ std::unique_ptr<std::remove_pointer_t<timezone_t>, decltype(&tzfree)> tz{tzalloc("Asia/Seoul"),
+ tzfree};
+#else
+ GTEST_SKIP() << "glibc doesn't have timezone_t";
+#endif
+}