Remove deprecated <, <=, >, and >= of DateTime.

pkg/unittest/lib/mock.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * A simple mocking/spy library.
  *
  * To create a mock objects for some class T, create a new class using:
  *
  *     class MockT extends Mock implements T {};
@@ skipping 653 matching lines @@
     }
   }
 
   /**
    * Returns log events that happened after [when]. If [inPlace]
    * is true, then it returns this LogEntryList after removing
    * the entries that happened up to [when]; otherwise a new
    * list is created.
    */
   LogEntryList after(DateTime when, [bool inPlace = false]) =>
-      _tail((e) => e.time > when, inPlace, 'after $when', logs.length);
+      _tail((e) => e.time.isAfter(when), inPlace, 'after $when', logs.length);
 
   /**
    * Returns log events that happened from [when] onwards. If
    * [inPlace] is true, then it returns this LogEntryList after
    * removing the entries that happened before [when]; otherwise
    * a new list is created.
    */
   LogEntryList from(DateTime when, [bool inPlace = false]) =>
-      _tail((e) => e.time >= when, inPlace, 'from $when', logs.length);
+      _tail((e) => !e.time.isBefore(when), inPlace, 'from $when', logs.length);
 
   /**
    * Returns log events that happened until [when]. If [inPlace]
    * is true, then it returns this LogEntryList after removing
    * the entries that happened after [when]; otherwise a new
    * list is created.
    */
   LogEntryList until(DateTime when, [bool inPlace = false]) =>
-      _head((e) => e.time > when, inPlace, 'until $when', logs.length);
+      _head((e) => e.time.isAfter(when), inPlace, 'until $when', logs.length);
 
   /**
    * Returns log events that happened before [when]. If [inPlace]
    * is true, then it returns this LogEntryList after removing
    * the entries that happened from [when] onwards; otherwise a new
    * list is created.
    */
   LogEntryList before(DateTime when, [bool inPlace = false]) =>
-      _head((e) => e.time >= when, inPlace, 'before $when', logs.length);
+      _head((e) => !e.time.isBefore(when),
+            inPlace,
+            'before $when',
+            logs.length);
 
   /**
    * Returns log events that happened after [logEntry]'s time.
    * If [inPlace] is true, then it returns this LogEntryList after
    * removing the entries that happened up to [when]; otherwise a new
    * list is created. If [logEntry] is null the current time is used.
    */
   LogEntryList afterEntry(LogEntry logEntry, [bool inPlace = false]) =>
       after(logEntry == null ? new DateTime.now() : logEntry.time);
 
@@ skipping 763 matching lines @@
       }
     }
   }
 
   /** Clear both logs and behavior. */
   void reset() {
     resetBehavior();
     clearLogs();
   }
 }