From b0bce0b8ce807e4d92a8a01fa0235727d709c21d Mon Sep 17 00:00:00 2001
From: Blake Mesdag <blakemesdag@gmail.com>
Date: Tue, 12 Apr 2016 12:07:56 -0400
Subject: Handle max_time edge cases for epoch times and add test

---
 activesupport/test/file_update_checker_shared_tests.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'activesupport/test')

diff --git a/activesupport/test/file_update_checker_shared_tests.rb b/activesupport/test/file_update_checker_shared_tests.rb
index 5207860a0e..a78c3a67b6 100644
--- a/activesupport/test/file_update_checker_shared_tests.rb
+++ b/activesupport/test/file_update_checker_shared_tests.rb
@@ -134,6 +134,23 @@ module FileUpdateCheckerSharedTests
     assert_equal 1, i
   end
 
+  test 'should return max_time for files with mtime = Time.at(0)' do
+    i = 0
+
+    FileUtils.touch(tmpfiles)
+
+    now  = Time.now
+    time = Time.at(0) # wrong mtime from the future
+    File.utime(time, time, tmpfiles[0])
+
+    checker = new_checker(tmpfiles) { i += 1 }
+
+    touch(tmpfiles[1..-1])
+
+    assert checker.execute_if_updated
+    assert_equal 1, i
+  end
+
   test 'should cache updated result until execute' do
     i = 0
 
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