diff --git a/test/liquid/blank_test.rb b/test/liquid/blank_test.rb
index 33feb8f..e6e5224 100644
--- a/test/liquid/blank_test.rb
+++ b/test/liquid/blank_test.rb
@@ -28,6 +28,10 @@ class BlankTest < Test::Unit::TestCase
     assert_template_result("", wrap("{% unless true %} {% endunless %}"))
   end
 
+  def test_mark_as_blank_only_during_parsing
+    assert_template_result(" "*(N+1), wrap(" {% if false %} this never happens, but still, this block is not blank {% endif %}"))
+  end
+
   def test_comments_are_blank
     assert_template_result("", wrap(" {% comment %} whatever {% endcomment %} "))
   end
@@ -38,9 +42,9 @@ class BlankTest < Test::Unit::TestCase
 
   def test_nested_blocks_are_blank_but_only_if_all_children_are
     assert_template_result("", wrap(wrap(" ")))
-    assert_template_result("\n       but this not "*(N+1),
+    assert_template_result("\n       but this is not "*(N+1),
       wrap(%q{{% if true %} {% comment %} this is blank {% endcomment %} {% endif %}
-      {% if true %} but this not {% endif %}}))
+      {% if true %} but this is not {% endif %}}))
   end
 
   def test_assigns_are_blank
@@ -58,10 +62,11 @@ class BlankTest < Test::Unit::TestCase
   end
 
   def test_raw_is_not_blank
-    assert_template_result(" "*(N+1), wrap("{% raw %} {% endraw %}"))
+    assert_template_result("  "*(N+1), wrap(" {% raw %} {% endraw %}"))
   end
 
   def test_variables_are_not_blank
     assert_template_result("  "*(N+1), wrap(' {{ "" }} '))
+    assert_template_result(" "*(N+1), wrap("{% assign foo = ' ' %}{{ foo }}"))
   end
 end