From 99195b0e166536dd81c7096c0dc0f2cc527f1553 Mon Sep 17 00:00:00 2001
From: Nicolas Lacasse <nlacasse@google.com>
Date: Thu, 28 Mar 2019 14:14:13 -0700
Subject: Setting timestamps should trigger an inotify event.

PiperOrigin-RevId: 240850187
Change-Id: I1458581b771a1031e47bba439e480829794927b8
---
 test/syscalls/linux/inotify.cc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/syscalls')

diff --git a/test/syscalls/linux/inotify.cc b/test/syscalls/linux/inotify.cc
index 88997094c..b99d339e5 100644
--- a/test/syscalls/linux/inotify.cc
+++ b/test/syscalls/linux/inotify.cc
@@ -18,6 +18,7 @@
 #include <sys/epoll.h>
 #include <sys/inotify.h>
 #include <sys/ioctl.h>
+#include <sys/time.h>
 
 #include <atomic>
 #include <list>
@@ -1232,6 +1233,26 @@ TEST(Inotify, LinkGeneratesAttribAndCreateEvents) {
                            Event(IN_CREATE, root_wd, Basename(link1.path()))}));
 }
 
+TEST(Inotify, UtimesGeneratesAttribEvent) {
+  const TempPath root = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
+  const FileDescriptor fd =
+      ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
+  const TempPath file1 =
+      ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileIn(root.path()));
+
+  const FileDescriptor file1_fd =
+      ASSERT_NO_ERRNO_AND_VALUE(Open(file1.path(), O_RDWR));
+  const int wd = ASSERT_NO_ERRNO_AND_VALUE(
+      InotifyAddWatch(fd.get(), root.path(), IN_ALL_EVENTS));
+
+  struct timeval times[2] = {{1, 0}, {2, 0}};
+  EXPECT_THAT(futimes(file1_fd.get(), times), SyscallSucceeds());
+
+  const std::vector<Event> events =
+      ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(fd.get()));
+  ASSERT_THAT(events, Are({Event(IN_ATTRIB, wd, Basename(file1.path()))}));
+}
+
 TEST(Inotify, HardlinksReuseSameWatch) {
   const TempPath root = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
   TempPath file1 =
-- 
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