Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/System.IO.Compression/Test/System.IO.Compression/ZipTest.cs

@@ -238,6 +238,31 @@ namespace MonoTests.System.IO.Compression
 			File.Delete ("create.zip");
 		}
 
+		[Test]
+		public void ZipEnumerateEntriesModifiedTime()
+		{
+			File.Copy("archive.zip", "test.zip", overwrite: true);
+			var date = DateTimeOffset.Now;
+			using (var archive = new ZipArchive(File.Open("test.zip", FileMode.Open),
+				ZipArchiveMode.Update))
+			{
+				var entry = archive.GetEntry("foo.txt");
+				entry.LastWriteTime = date;
+			}
+
+			using (var archive = new ZipArchive(File.Open("test.zip", FileMode.Open),
+				ZipArchiveMode.Read))
+			{
+				var entry = archive.GetEntry("foo.txt");
+				Assert.AreEqual(entry.LastWriteTime.Year, date.Year);
+				Assert.AreEqual(entry.LastWriteTime.Month, date.Month);
+				Assert.AreEqual(entry.LastWriteTime.Day, date.Day);
+
+			}
+
+			File.Delete ("test.zip");
+		}		
+
 		[Test]
 		public void ZipEnumerateArchiveDefaultLastWriteTime()
 		{