password field supports placeholder, too

Gemfile.lock

@@ -31,23 +31,22 @@ GEM
     arel (1.0.1)
       activesupport (~> 3.0.0)
     builder (2.1.2)
-    columnize (0.3.1)
     erubis (2.6.6)
       abstract (>= 1.0.0)
-    i18n (0.4.1)
-    linecache (0.43)
-    mail (2.2.5)
+    i18n (0.4.2)
+    mail (2.2.9)
       activesupport (>= 2.3.6)
-      mime-types
-      treetop (>= 1.4.5)
+      i18n (~> 0.4.1)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
     mime-types (1.16)
-    mocha (0.9.8)
+    mocha (0.9.9)
       rake
     polyglot (0.3.1)
     rack (1.2.1)
     rack-mount (0.6.13)
       rack (>= 1.0.0)
-    rack-test (0.5.4)
+    rack-test (0.5.6)
       rack (>= 1.0)
     rails (3.0.0)
       actionmailer (= 3.0.0)
@@ -63,12 +62,8 @@ GEM
       rake (>= 0.8.4)
       thor (~> 0.14.0)
     rake (0.8.7)
-    ruby-debug (0.10.3)
-      columnize (>= 0.1)
-      ruby-debug-base (~> 0.10.3.0)
-    ruby-debug-base (0.10.3)
-      linecache (>= 0.3)
-    thor (0.14.0)
+    test-unit (2.1.1)
+    thor (0.14.4)
     treetop (1.4.8)
       polyglot (>= 0.3.1)
     tzinfo (0.3.23)
@@ -79,4 +74,4 @@ PLATFORMS
 DEPENDENCIES
   mocha
   rails (= 3.0.0)
-  ruby-debug
+  test-unit

lib/simple_form/inputs/mapping_input.rb

@@ -26,7 +26,11 @@ module SimpleForm
       end
 
       def has_placeholder?
-        text? && super
+        (text? || password?) && super
+      end
+
+      def password?
+        input_type == :password
       end
 
       def text?

test/inputs_test.rb

@@ -204,6 +204,11 @@ class InputTest < ActionView::TestCase
     assert_select 'input[type=password].password#user_password'
   end
 
+  test 'input should generate a password field for password attributes that accept placeholder' do
+    with_input_for @user, :password, :password, :placeholder => 'Password Confirmation'
+    assert_select 'input[type=password].password[placeholder=Password Confirmation]#user_password'
+  end
+
   test 'input should generate a file field' do
     with_input_for @user, :name, :file
     assert_select 'input#user_name[type=file]'