From 4e03e87547853523d4ff941935a6ef1712518c61 Mon Sep 17 00:00:00 2001
From: Adin Scannell <ascannell@google.com>
Date: Tue, 12 Jan 2021 12:36:17 -0800
Subject: Fix simple mistakes identified by goreportcard.

These are primarily simplification and lint mistakes. However, minor
fixes are also included and tests added where appropriate.

PiperOrigin-RevId: 351425971
---
 test/syscalls/linux/inotify.cc | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'test/syscalls/linux')

diff --git a/test/syscalls/linux/inotify.cc b/test/syscalls/linux/inotify.cc
index e4392a450..8137f0e29 100644
--- a/test/syscalls/linux/inotify.cc
+++ b/test/syscalls/linux/inotify.cc
@@ -1703,6 +1703,45 @@ TEST(Inotify, Fallocate) {
   EXPECT_THAT(events, Are({Event(IN_MODIFY, wd)}));
 }
 
+TEST(Inotify, Utimensat) {
+  SKIP_IF(IsRunningWithVFS1());
+
+  const TempPath file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+  const FileDescriptor fd =
+      ASSERT_NO_ERRNO_AND_VALUE(Open(file.path(), O_RDWR));
+
+  const FileDescriptor inotify_fd =
+      ASSERT_NO_ERRNO_AND_VALUE(InotifyInit1(IN_NONBLOCK));
+  const int wd = ASSERT_NO_ERRNO_AND_VALUE(
+      InotifyAddWatch(inotify_fd.get(), file.path(), IN_ALL_EVENTS));
+
+  // Just update the access time.
+  struct timespec times[2] = {};
+  times[0].tv_nsec = UTIME_NOW;
+  times[1].tv_nsec = UTIME_OMIT;
+  ASSERT_THAT(RetryEINTR(utimensat)(AT_FDCWD, file.path().c_str(), times, 0),
+              SyscallSucceeds());
+  std::vector<Event> events =
+      ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
+  EXPECT_THAT(events, Are({Event(IN_ACCESS, wd)}));
+
+  // Just the modify time.
+  times[0].tv_nsec = UTIME_OMIT;
+  times[1].tv_nsec = UTIME_NOW;
+  ASSERT_THAT(utimensat(AT_FDCWD, file.path().c_str(), times, 0),
+              SyscallSucceeds());
+  events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
+  EXPECT_THAT(events, Are({Event(IN_MODIFY, wd)}));
+
+  // Both together.
+  times[0].tv_nsec = UTIME_NOW;
+  times[1].tv_nsec = UTIME_NOW;
+  ASSERT_THAT(utimensat(AT_FDCWD, file.path().c_str(), times, 0),
+              SyscallSucceeds());
+  events = ASSERT_NO_ERRNO_AND_VALUE(DrainEvents(inotify_fd.get()));
+  EXPECT_THAT(events, Are({Event(IN_ATTRIB, wd)}));
+}
+
 TEST(Inotify, Sendfile) {
   SKIP_IF(IsRunningWithVFS1());
 
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