liquid without the garbage

test/integration/blank_test.rb

@@ -1,8 +1,9 @@
 require 'test_helper'
 
 class FoobarTag < Liquid::Tag
-  def render(*args)
-    " "
+  def render(context, output = '')
+    output << ' '
+    output
   end
 
   Liquid::Template.register_tag('foobar', FoobarTag)

test/integration/tags/include_tag_test.rb

@@ -66,8 +66,9 @@ class CustomInclude < Liquid::Tag
   def parse(tokens)
   end
 
-  def render(context)
-    @template_name[1..-2]
+  def render(context, output = '')
+    output << @template_name[1..-2]
+    output
   end
 end
 

test/integration/template_test.rb

@@ -177,31 +177,31 @@ class TemplateTest < Minitest::Test
 
   def test_render_length_persists_between_blocks
     t = Template.parse("{% if true %}aaaa{% endif %}")
-    t.resource_limits.render_length_limit = 7
+    t.resource_limits.render_length_limit = 3
     assert_equal "Liquid error: Memory limits exceeded", t.render
-    t.resource_limits.render_length_limit = 8
+    t.resource_limits.render_length_limit = 4
     assert_equal "aaaa", t.render
 
     t = Template.parse("{% if true %}aaaa{% endif %}{% if true %}bbb{% endif %}")
-    t.resource_limits.render_length_limit = 13
+    t.resource_limits.render_length_limit = 6
     assert_equal "Liquid error: Memory limits exceeded", t.render
-    t.resource_limits.render_length_limit = 14
+    t.resource_limits.render_length_limit = 7
     assert_equal "aaaabbb", t.render
 
     t = Template.parse("{% if true %}a{% endif %}{% if true %}b{% endif %}{% if true %}a{% endif %}{% if true %}b{% endif %}{% if true %}a{% endif %}{% if true %}b{% endif %}")
+    t.resource_limits.render_length_limit = 4
+    assert_equal "Liquid error: Memory limits exceeded", t.render
     t.resource_limits.render_length_limit = 5
     assert_equal "Liquid error: Memory limits exceeded", t.render
-    t.resource_limits.render_length_limit = 11
-    assert_equal "Liquid error: Memory limits exceeded", t.render
-    t.resource_limits.render_length_limit = 12
+    t.resource_limits.render_length_limit = 6
     assert_equal "ababab", t.render
   end
 
   def test_render_length_uses_number_of_bytes_not_characters
     t = Template.parse("{% if true %}すごい{% endif %}")
-    t.resource_limits.render_length_limit = 10
+    t.resource_limits.render_length_limit = 8
     assert_equal "Liquid error: Memory limits exceeded", t.render
-    t.resource_limits.render_length_limit = 18
+    t.resource_limits.render_length_limit = 9
     assert_equal "すごい", t.render
   end