More descriptive error when rendering a partial with `:layout => true`

1 files changed, 5 insertions, 0 deletions

diff --git a/actionpack/test/template/render_test.rb b/actionpack/test/template/render_test.rb
index 4e6a676fc6..9fb26e32b1 100644
--- a/actionpack/test/template/render_test.rb
+++ b/actionpack/test/template/render_test.rb
@@ -437,6 +437,11 @@ module RenderTestCases
       @view.render(:partial => 'test/partial_with_layout_block_content', :layout => 'test/layout_for_partial', :locals => { :name => 'Foo!'})
   end
 
+  def test_render_partial_with_layout_raises_descriptive_error
+    e = assert_raises(ActionView::MissingTemplate) { @view.render(partial: 'test/partial', layout: true) }
+    assert_match "Missing partial /true with", e.message
+  end
+
   def test_render_with_nested_layout
     assert_equal %(<title>title</title>\n\n<div id="column">column</div>\n<div id="content">content</div>\n),
       @view.render(:file => "test/nested_layout", :layout => "layouts/yield")