Index: test/unit/lib/redmine/i18n_test.rb
===================================================================
--- test/unit/lib/redmine/i18n_test.rb	(révision 3905)
+++ test/unit/lib/redmine/i18n_test.rb	(copie de travail)
@@ -259,4 +259,41 @@
     end
     assert_equal str_fr, l(:general_lang_name)
   end
+
+  def test_localize_hours_truncate_decimals_if_integer
+    set_language_if_valid 'fr'
+
+    assert_equal "121.50 heures", l_hours('121.49999')
+
+    # Decimals rounded to 2 after the decimal point
+    assert_equal "122.45 heures", l_hours('122.4521')
+
+    # Rounded to upper value
+    assert_equal "123.46 heures", l_hours('123.458')
+
+    assert_equal "124 heures", l_hours('124.0')
+
+    assert_equal "125 heures", l_hours('125.00')
+
+    assert_equal "126 heures", l_hours('126.0000')
+
+    # Far decimals disappear in the rounding
+    assert_equal "455 heures", l_hours('455.00001')
+
+    # Rounded to upper value
+    assert_equal "456 heures", l_hours('455.999999')
+
+    set_language_if_valid('en')
+  end
+
+  def test_localize_negative_hours
+    set_language_if_valid 'fr'
+
+    assert_equal "-1 heure", l_hours('-1.00001')
+    assert_equal "-1.46 heure", l_hours('-1.456')
+    assert_equal "-457 heures", l_hours('-457.00001')
+    assert_equal "-459 heures", l_hours('-458.99999')
+
+    set_language_if_valid('en')
+  end
 end