//  [ruby]
  def test_comment_with_crazy_nesting
    assert_equal(<<HTML, render(<<HAML))
foo
bar
HTML
foo
-#
  ul
    %li{
  foo
bar
HAML
  end

  # Regression tests

  def test_indentation_after_dynamic_attr_hash
    assert_equal(<<HTML, render(<<HAML))
<html>
  <body>
    <img src='test'>
    foo
    bar
  </body>
</html>
HTML
%html
  %body
    %img{:src => 'te'+'st'}
    = "foo\\nbar"
HAML
  end

  def test_whitespace_nuke_with_both_newlines
    assert_equal("<p>foo</p>\n", render('%p<= "\nfoo\n"'))
    assert_equal(<<HTML, render(<<HAML))
<p>
  <p>foo</p>
</p>
HTML
%p
  %p<= "\\nfoo\\n"
HAML
  end

  def test_whitespace_nuke_with_tags_and_else
    assert_equal(<<HTML, render(<<HAML))
<a>
  <b>foo</b>
</a>
HTML
%a
  %b<
    - if false
      = "foo"
    - else
      foo
HAML

    assert_equal(<<HTML, render(<<HAML))
<a>
  <b>
    foo
  </b>
</a>
HTML
%a
  %b
    - if false
      = "foo"
    - else
      foo
HAML
  end

  def test_outer_whitespace_nuke_with_empty_script
    assert_equal(<<HTML, render(<<HAML))
<p>
  foo<a></a></p>
HTML
%p
  foo
  = "  "
  %a>
HAML
  end

  def test_both_case_indentation_work_with_deeply_nested_code
    result = <<RESULT
<h2>
  other
</h2>
RESULT
    assert_equal(result, render(<<HAML))
- case 'other'
- when 'test'
  %h2
    hi
- when 'other'
  %h2
    other
HAML
    assert_equal(result, render(<<HAML))
- case 'other'
  - when 'test'
    %h2
      hi
  - when 'other'
    %h2
      other
HAML
  end

  def test_equals_block_with_ugly
    assert_equal("foo\n", render(<<HAML, :ugly => true))
= capture_haml do
  foo
HAML
  end

  def test_plain_equals_with_ugly
    assert_equal("foo\nbar\n", render(<<HAML, :ugly => true))
= "foo"
bar
HAML
  end

  def test_inline_if
    assert_equal(<<HTML, render(<<HAML))
<p>One</p>
<p></p>
<p>Three</p>
HTML
- for name in ["One", "Two", "Three"]
  %p= name unless name == "Two"
HAML
  end

  def test_end_with_method_call
    assert_equal(<<HTML, render(<<HAML))
2|3|4
b-a-r
HTML
= [1, 2, 3].map do |i|
  - i + 1
- end.join("|")
= "bar".gsub(/./) do |s|
  - s + "-"
- end.gsub(/-$/) do |s|
  - ''
HAML
  end

  def test_nested_end_with_method_call
    assert_equal(<<HTML, render(<<HAML))
<p>
  2|3|4
  b-a-r
</p>
HTML
%p
  = [1, 2, 3].map do |i|
    - i + 1
  - end.join("|")
  = "bar".gsub(/./) do |s|
    - s + "-"
  - end.gsub(/-$/) do |s|
    - ''
HAML
  end

  def test_silent_end_with_stuff
    assert_equal(<<HTML, render(<<HAML))
e
d
c
b
a
HTML
- str = "abcde"
- if true
  = str.slice!(-1).chr
- end until str.empty?
HAML

    assert_equal(<<HTML, render(<<HAML))
<p>hi!</p>
HTML
- if true
  %p hi!
- end if "foo".gsub(/f/) do
  - "z"
- end + "bar"
HAML
  end

  def test_multiline_with_colon_after_filter
    assert_equal(<<HTML, render(<<HAML))
Foo
Bar
HTML
:plain
  Foo
= { :a => "Bar",      |
    :b => "Baz" }[:a] |
HAML
    assert_equal(<<HTML, render(<<HAML))

Bar
HTML
:plain
= { :a => "Bar",      |
    :b => "Baz" }[:a] |
HAML
  end

  def test_multiline_in_filter
    assert_equal(<<HTML, render(<<HAML))
Foo |
Bar |
Baz
HTML
:plain
  Foo |
  Bar |
  Baz
HAML
  end

  def test_curly_brace
    assert_equal(<<HTML, render(<<HAML))
Foo { Bar
HTML
== Foo { Bar
HAML
  end

  def test_escape_attrs_false
    assert_equal(<<HTML, render(<<HAML, :escape_attrs => false))
<div class='<?php echo "&quot;" ?>' id='foo'>
  bar
</div>
HTML
#foo{:class => '<?php echo "&quot;" ?>'}
  bar
HAML
  end

  def test_escape_attrs_always
    assert_equal(<<HTML, render(<<HAML, :escape_attrs => :always))
<div class='"&amp;lt;&amp;gt;&amp;amp;"' id='foo'>
  bar
</div>
HTML
#foo{:class => '"&lt;&gt;&amp;"'}
  bar
HAML
  end

  def test_escape_html
    html = <<HTML
&amp;
&
&amp;
HTML

    assert_equal(html, render(<<HAML, :escape_html => true))
&= "&"
!= "&"
= "&"
HAML

    assert_equal(html, render(<<HAML, :escape_html => true))
&~ "&"
!~ "&"
~ "&"
HAML

    assert_equal(html, render(<<HAML, :escape_html => true))
& \#{"&"}
! \#{"&"}
\#{"&"}
HAML

    assert_equal(html, render(<<HAML, :escape_html => true))
&== \#{"&"}
!== \#{"&"}
== \#{"&"}
HAML

    tag_html = <<HTML
<p>&amp;</p>
<p>&</p>
<p>&amp;</p>
HTML

    assert_equal(tag_html, render(<<HAML, :escape_html => true))
%p&= "&"
%p!= "&"
%p= "&"
HAML

    assert_equal(tag_html, render(<<HAML, :escape_html => true))
%p&~ "&"
%p!~ "&"
%p~ "&"
HAML

    assert_equal(tag_html, render(<<HAML, :escape_html => true))
%p& \#{"&"}
%p! \#{"&"}
%p \#{"&"}
HAML

    assert_equal(tag_html, render(<<HAML, :escape_html => true))
%p&== \#{"&"}
%p!== \#{"&"}
%p== \#{"&"}
HAML
  end

  def test_new_attrs_with_hash
    assert_equal("<a href='#'></a>\n", render('%a(href="#")'))
  end

  def test_silent_script_with_hyphen_case
    assert_equal("", render("- a = 'foo-case-bar-case'"))
  end

  def test_silent_script_with_hyphen_end
    assert_equal("", render("- a = 'foo-end-bar-end'"))
  end

  def test_silent_script_with_hyphen_end_and_block
    silence_warnings do
      assert_equal(<<HTML, render(<<HAML))
<p>foo-end</p>
<p>bar-end</p>
HTML
- ("foo-end-bar-end".gsub(/\\w+-end/) do |s|
  %p= s
- end; nil)
HAML
    end
  end

  def test_if_without_content_and_else
    assert_equal(<<HTML, render(<<HAML))
foo
HTML
- if false
- else
  foo
HAML

    assert_equal(<<HTML, render(<<HAML))
foo
HTML
- if true
  - if false
  - else
    foo
HAML
  end

  def test_html_attributes_with_hash
    assert_equal("<a href='#' rel='top'>Foo</a>\n",
      render('%a(href="#" rel="top") Foo'))
    assert_equal("<a href='#'>Foo</a>\n",
      render('%a(href="#") #{"Foo"}'))

    assert_equal("<a href='#\"'></a>\n", render('%a(href="#\\"")'))
  end

  def test_case_assigned_to_var
    assert_equal(<<HTML, render(<<HAML))
bar
HTML
- var = case 12
- when 1; "foo"
- when 12; "bar"
= var
HAML

    assert_equal(<<HTML, render(<<HAML))
bar
HTML
- var = case 12
- when 1
  - "foo"
- when 12
  - "bar"
= var
HAML

    assert_equal(<<HTML, render(<<HAML))
bar
HTML
- var = case 12
  - when 1
    - "foo"
  - when 12
    - "bar"
= var
HAML
  end

  def test_nested_case_assigned_to_var
    assert_equal(<<HTML, render(<<HAML))
bar
HTML
- if true
  - var = case 12
  - when 1; "foo"
  - when 12; "bar"
  = var
HAML
  end

  def test_case_assigned_to_multiple_vars
    assert_equal(<<HTML, render(<<HAML))
bar
bip
HTML
- var, vip = case 12
- when 1; ["foo", "baz"]
- when 12; ["bar", "bip"]
= var
= vip
HAML
  end

  def test_if_assigned_to_var
    assert_equal(<<HTML, render(<<HAML))
foo
HTML
- var = if false
- else
  - "foo"
= var
HAML

    assert_equal(<<HTML, render(<<HAML))
foo
HTML
- var = if false
- elsif 12 == 12
  - "foo"
- elsif 14 == 14; "bar"
- else
  - "baz"
= var
HAML

    assert_equal(<<HTML, render(<<HAML))
foo
HTML
- var = if false
  - "bar"
- else
  - "foo"
= var
HAML
  end

  def test_case_with_newline_after_case
    assert_equal(<<HTML, render(<<HAML))
foo
HTML
- case 1

  - when 1
    foo
  - when 2
    bar
HAML

    assert_equal(<<HTML, render(<<HAML))
bar
HTML
- case 2

- when 1
  foo
- when 2
  bar
HAML
  end

  def test_escape_html_with_interpolated_if_statement
    assert_equal(<<HTML, render(<<HAML, :escape_html => true))
foo,
HTML
foo\#{"," if true}
HAML
  end

  # HTML escaping tests

  def test_ampersand_equals_should_escape
    assert_equal("<p>\n  foo &amp; bar\n</p>\n", render("%p\n  &= 'foo & bar'", :escape_html => false))
  end

  def test_ampersand_equals_inline_should_escape
    assert_equal("<p>foo &amp; bar</p>\n", render("%p&= 'foo & bar'", :escape_html => false))
  end

  def test_ampersand_equals_should_escape_before_preserve
    assert_equal("<textarea>foo&#x000A;bar</textarea>\n", render('%textarea&= "foo\nbar"', :escape_html => false))
  end

  def test_bang_equals_should_not_escape
    assert_equal("<p>\n  foo & bar\n</p>\n", render("%p\n  != 'foo & bar'", :escape_html => true))
  end

  def test_bang_equals_inline_should_not_escape
    assert_equal("<p>foo & bar</p>\n", render("%p!= 'foo & bar'", :escape_html => true))
  end

  def test_static_attributes_should_be_escaped
    assert_equal("<img class='atlantis' style='ugly&amp;stupid'>\n",
                 render("%img.atlantis{:style => 'ugly&stupid'}"))
    assert_equal("<div class='atlantis' style='ugly&amp;stupid'>foo</div>\n",
                 render(".atlantis{:style => 'ugly&stupid'} foo"))
    assert_equal("<p class='atlantis' style='ugly&amp;stupid'>foo</p>\n",
                render("%p.atlantis{:style => 'ugly&stupid'}= 'foo'"))
    assert_equal("<p class='atlantis' style='ugly&#x000A;stupid'></p>\n",
                render("%p.atlantis{:style => \"ugly\\nstupid\"}"))
  end

  def test_dynamic_attributes_should_be_escaped
    assert_equal("<img alt='' src='&amp;foo.png'>\n",
                 render("%img{:width => nil, :src => '&foo.png', :alt => String.new}"))
    assert_equal("<p alt='' src='&amp;foo.png'>foo</p>\n",
                 render("%p{:width => nil, :src => '&foo.png', :alt => String.new} foo"))
    assert_equal("<div alt='' src='&amp;foo.png'>foo</div>\n",
                 render("%div{:width => nil, :src => '&foo.png', :alt => String.new}= 'foo'"))
    assert_equal("<img alt='' src='foo&#x000A;.png'>\n",
                 render("%img{:width => nil, :src => \"foo\\n.png\", :alt => String.new}"))
  end

  def test_string_double_equals_should_be_esaped
    assert_equal("<p>4&&lt;</p>\n", render("%p== \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>4&<</p>\n", render("%p== \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_escaped_inline_string_double_equals
    assert_equal("<p>4&&lt;</p>\n", render("%p&== \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>4&&lt;</p>\n", render("%p&== \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_unescaped_inline_string_double_equals
    assert_equal("<p>4&<</p>\n", render("%p!== \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>4&<</p>\n", render("%p!== \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_escaped_string_double_equals
    assert_equal("<p>\n  4&&lt;\n</p>\n", render("%p\n  &== \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>\n  4&&lt;\n</p>\n", render("%p\n  &== \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_unescaped_string_double_equals
    assert_equal("<p>\n  4&<\n</p>\n", render("%p\n  !== \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>\n  4&<\n</p>\n", render("%p\n  !== \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_string_interpolation_should_be_esaped
    assert_equal("<p>4&&lt;</p>\n", render("%p \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>4&<</p>\n", render("%p \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_escaped_inline_string_interpolation
    assert_equal("<p>4&&lt;</p>\n", render("%p& \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>4&&lt;</p>\n", render("%p& \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_unescaped_inline_string_interpolation
    assert_equal("<p>4&<</p>\n", render("%p! \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>4&<</p>\n", render("%p! \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_escaped_string_interpolation
    assert_equal("<p>\n  4&&lt;\n</p>\n", render("%p\n  & \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>\n  4&&lt;\n</p>\n", render("%p\n  & \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_escaped_string_interpolation_with_no_space
    assert_equal("&lt;br&gt;\n", render('&#{"<br>"}'))
    assert_equal("<span>&lt;br&gt;</span>\n", render('%span&#{"<br>"}'))
  end

  def test_unescaped_string_interpolation
    assert_equal("<p>\n  4&<\n</p>\n", render("%p\n  ! \#{2+2}&\#{'<'}", :escape_html => true))
    assert_equal("<p>\n  4&<\n</p>\n", render("%p\n  ! \#{2+2}&\#{'<'}", :escape_html => false))
  end

  def test_unescaped_string_interpolation_with_no_space
    assert_equal("<br>\n", render('!#{"<br>"}'))
    assert_equal("<span><br></span>\n", render('%span!#{"<br>"}'))
  end

  def test_scripts_should_respect_escape_html_option
    assert_equal("<p>\n  foo &amp; bar\n</p>\n", render("%p\n  = 'foo & bar'", :escape_html => true))
    assert_equal("<p>\n  foo & bar\n</p>\n", render("%p\n  = 'foo & bar'", :escape_html => false))
  end

  def test_inline_scripts_should_respect_escape_html_option
    assert_equal("<p>foo &amp; bar</p>\n", render("%p= 'foo & bar'", :escape_html => true))
    assert_equal("<p>foo & bar</p>\n", render("%p= 'foo & bar'", :escape_html => false))
  end

  def test_script_ending_in_comment_should_render_when_html_is_escaped
    assert_equal("foo&amp;bar\n", render("= 'foo&bar' #comment", :escape_html => true))
  end

  def test_script_with_if_shouldnt_output
    assert_equal(<<HTML, render(<<HAML))
<p>foo</p>
<p></p>
HTML
%p= "foo"
%p= "bar" if false
HAML
  end

  # Options tests

  def test_filename_and_line
    begin
      render("\n\n = abc", :filename => 'test', :line => 2)
    rescue Exception => e
      assert_kind_of Haml::SyntaxError, e
      assert_match(/test:4/, e.backtrace.first)
    end

    begin
      render("\n\n= 123\n\n= nil[]", :filename => 'test', :line => 2)
    rescue Exception => e
      assert_kind_of NoMethodError, e
      backtrace = e.backtrace
      backtrace.shift if rubinius?
      assert_match(/test:6/, backtrace.first)
    end
  end

  def test_stop_eval
    assert_equal("", render("= 'Hello'", :suppress_eval => true))
    assert_equal("", render("- haml_concat 'foo'", :suppress_eval => true))
    assert_equal("<div id='foo' yes='no'>\n", render("#foo{:yes => 'no'}/", :suppress_eval => true))
    assert_equal("<div id='foo'>\n", render("#foo{:yes => 'no', :call => a_function() }/", :suppress_eval => true))
    assert_equal("<div>\n", render("%div[1]/", :suppress_eval => true))
    assert_equal("", render(":ruby\n  Kernel.puts 'hello'", :suppress_eval => true))
  end

  def test_doctypes
    assert_equal('<!DOCTYPE html>',
      render('!!!', :format => :html5).strip)
    assert_equal('<!DOCTYPE html>', render('!!! 5').strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
      render('!!! strict', :format => :xhtml).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
      render('!!! frameset', :format => :xhtml).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.2//EN" "http://www.openmobilealliance.org/tech/DTD/xhtml-mobile12.dtd">',
      render('!!! mobile', :format => :xhtml).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.1//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic11.dtd">',
      render('!!! basic', :format => :xhtml).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
      render('!!! transitional', :format => :xhtml).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
      render('!!!', :format => :xhtml).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
      render('!!! strict', :format => :html4).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
      render('!!! frameset', :format => :html4).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
      render('!!! transitional', :format => :html4).strip)
    assert_equal('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
      render('!!!', :format => :html4).strip)
  end

  def test_attr_wrapper
    assert_equal("<p strange=*attrs*></p>\n", render("%p{ :strange => 'attrs'}", :attr_wrapper => '*'))
    assert_equal("<p escaped='quo\"te'></p>\n", render("%p{ :escaped => 'quo\"te'}", :attr_wrapper => '"'))
    assert_equal("<p escaped=\"quo'te\"></p>\n", render("%p{ :escaped => 'quo\\'te'}", :attr_wrapper => '"'))
    assert_equal("<p escaped=\"q'uo&#x0022;te\"></p>\n", render("%p{ :escaped => 'q\\'uo\"te'}", :attr_wrapper => '"'))
    assert_equal("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n", render("!!! XML", :attr_wrapper => '"', :format => :xhtml))
  end

  def test_autoclose_option
    assert_equal("<flaz foo='bar'>\n", render("%flaz{:foo => 'bar'}", :autoclose => ["flaz"]))
    assert_equal(<<HTML, render(<<HAML, :autoclose => [/^flaz/]))
<flaz>
<flaznicate>
<flan></flan>
HTML
%flaz
%flaznicate
%flan
HAML
  end

  def test_attrs_parsed_correctly
    assert_equal("<p boom=>biddly='bar =&gt; baz'></p>\n", render("%p{'boom=>biddly' => 'bar => baz'}"))
    assert_equal("<p foo,bar='baz, qux'></p>\n", render("%p{'foo,bar' => 'baz, qux'}"))
    assert_equal("<p escaped='quo&#x000A;te'></p>\n", render("%p{ :escaped => \"quo\\nte\"}"))
    assert_equal("<p escaped='quo4te'></p>\n", render("%p{ :escaped => \"quo\#{2 + 2}te\"}"))
  end

  def test_correct_parsing_with_brackets
    assert_equal("<p class='foo'>{tada} foo</p>\n", render("%p{:class => 'foo'} {tada} foo"))
    assert_equal("<p class='foo'>deep {nested { things }}</p>\n", render("%p{:class => 'foo'} deep {nested { things }}"))
    assert_equal("<p class='bar foo'>{a { d</p>\n", render("%p{{:class => 'foo'}, :class => 'bar'} {a { d"))
    assert_equal("<p foo='bar'>a}</p>\n", render("%p{:foo => 'bar'} a}"))

    foo = []
    foo[0] = Struct.new('PrettyFoo', :id).new
    assert_equal("<p class='struct_pretty_foo' id='struct_pretty_foo_new'>New User]</p>\n",
                 render("%p[foo[0]] New User]", :locals => {:foo => foo}))
    assert_equal("<p class='prefix_struct_pretty_foo' id='prefix_struct_pretty_foo_new'>New User]</p>\n",
                 render("%p[foo[0], :prefix] New User]", :locals => {:foo => foo}))

    foo[0].id = 1
    assert_equal("<p class='struct_pretty_foo' id='struct_pretty_foo_1'>New User]</p>\n",
                 render("%p[foo[0]] New User]", :locals => {:foo => foo}))
    assert_equal("<p class='prefix_struct_pretty_foo' id='prefix_struct_pretty_foo_1'>New User]</p>\n",
                 render("%p[foo[0], :prefix] New User]", :locals => {:foo => foo}))
  end

  def test_empty_attrs
    assert_equal("<p attr=''>empty</p>\n", render("%p{ :attr => '' } empty"))
    assert_equal("<p attr=''>empty</p>\n", render("%p{ :attr => x } empty", :locals => {:x => ''}))
  end

  def test_nil_attrs
    assert_equal("<p>nil</p>\n", render("%p{ :attr => nil } nil"))
    assert_equal("<p>nil</p>\n", render("%p{ :attr => x } nil", :locals => {:x => nil}))
  end

  def test_nil_id_with_syntactic_id
    assert_equal("<p id='foo'>nil</p>\n", render("%p#foo{:id => nil} nil"))
    assert_equal("<p id='foo_bar'>nil</p>\n", render("%p#foo{{:id => 'bar'}, :id => nil} nil"))
    assert_equal("<p id='foo_bar'>nil</p>\n", render("%p#foo{{:id => nil}, :id => 'bar'} nil"))
  end

  def test_nil_class_with_syntactic_class
    assert_equal("<p class='foo'>nil</p>\n", render("%p.foo{:class => nil} nil"))
    assert_equal("<p class='bar foo'>nil</p>\n", render("%p.bar.foo{:class => nil} nil"))
    assert_equal("<p class='bar foo'>nil</p>\n", render("%p.foo{{:class => 'bar'}, :class => nil} nil"))
    assert_equal("<p class='bar foo'>nil</p>\n", render("%p.foo{{:class => nil}, :class => 'bar'} nil"))
  end

  def test_locals
    assert_equal("<p>Paragraph!</p>\n", render("%p= text", :locals => { :text => "Paragraph!" }))
  end

  def test_dynamic_attrs_shouldnt_register_as_literal_values
    assert_equal("<p a='b2c'></p>\n", render('%p{:a => "b#{1 + 1}c"}'))
    assert_equal("<p a='b2c'></p>\n", render("%p{:a => 'b' + (1 + 1).to_s + 'c'}"))
  end

  def test_dynamic_attrs_with_self_closed_tag
    assert_equal("<a b='2'>\nc\n", render("%a{'b' => 1 + 1}/\n= 'c'\n"))
  end

  EXCEPTION_MAP.each do |key, value|
    define_method("test_exception (#{key.inspect})") do
      begin
        silence_warnings do
          render(key, :filename => "(test_exception (#{key.inspect}))")
        end
      rescue Exception => err
        value = [value] unless value.is_a?(Array)
        expected_message, line_no = value
        line_no ||= key.split("\n").length


        if expected_message == :compile
          assert_match(/(compile error|syntax error|unterminated string|expecting)/, err.message, "Line: #{key}")
        else
          assert_equal(expected_message, err.message, "Line: #{key}")
        end

      else
        assert(false, "Exception not raised for\n#{key}")
      end
    end
  end

  def test_exception_line
    render("a\nb\n!!!\n  c\nd")
  rescue Haml::SyntaxError => e
    assert_equal("(test_exception_line):4", e.backtrace[0])
  else
    assert(false, '"a\nb\n!!!\n  c\nd" doesn\'t produce an exception')
  end

  def test_exception
    render("%p\n  hi\n  %a= undefined\n= 12")
  rescue Exception => e
    backtrace = e.backtrace
    backtrace.shift if rubinius?
    assert_match("(test_exception):3", backtrace[0])
  else
    # Test failed... should have raised an exception
    assert(false)
  end

  def test_compile_error
    render("a\nb\n- fee)\nc")
  rescue Exception => e
    assert_match(/\(test_compile_error\):3:/i, e.message)
    assert_match(/(syntax error|expecting \$end)/i, e.message)
  else
    assert(false, '"a\nb\n- fee)\nc" doesn\'t produce an exception!')
  end

  def test_unbalanced_brackets
    render('foo #{1 + 5} foo #{6 + 7 bar #{8 + 9}')
  rescue Haml::SyntaxError => e
    assert_equal(Haml::Error.message(:unbalanced_brackets), e.message)
  end

  def test_single_line_comments_are_interpolated
    assert_equal("<!-- Hello 2 -->\n",
                 render('/ Hello #{1 + 1}'))
  end

  def test_single_line_comments_are_not_interpolated_with_suppress_eval
    assert_equal("<!--  -->\n",
                 render('/ Hello #{1 + 1}', :suppress_eval => true))
  end

  def test_single_line_comments_with_interpolation_dont_break_tabulation
    assert_equal("<!-- Hello 2 -->\nconcatted\n",
                 render("/ Hello \#{1 + 1}\n- haml_concat 'concatted'"))
  end

  def test_balanced_conditional_comments
    assert_equal("<!--[if !(IE 6)|(IE 7)]> Bracket: ] <![endif]-->\n",
                 render("/[if !(IE 6)|(IE 7)] Bracket: ]"))
  end

  def test_downlevel_revealed_conditional_comments
    assert_equal("<!--[if !IE]><!--> A comment <!--<![endif]-->\n",
                  render("/![if !IE] A comment"))
  end

  def test_downlevel_revealed_conditional_comments_block
    assert_equal("<!--[if !IE]><!-->\n  A comment\n<!--<![endif]-->\n",
                  render("/![if !IE]\n  A comment"))
  end

  def test_local_assigns_dont_modify_class
    assert_equal("bar\n", render("= foo", :locals => {:foo => 'bar'}))
    assert_nil(defined?(foo))
  end

  def test_object_ref_with_nil_id
    user = PrettyUser.new
    assert_equal("<p class='struct_pretty_user' id='struct_pretty_user_new'>New User</p>\n",
                 render("%p[user] New User", :locals => {:user => user}))
  end

  def test_object_ref_before_attrs
    user = PrettyUser.new 42
    assert_equal("<p class='struct_pretty_user' id='struct_pretty_user_42' style='width: 100px;'>New User</p>\n",
                 render("%p[user]{:style => 'width: 100px;'} New User", :locals => {:user => user}))
  end

  def test_object_ref_with_custom_haml_class
    custom = CustomHamlClass.new 42
    assert_equal("<p class='my_thing' id='my_thing_42' style='width: 100px;'>My Thing</p>\n",
                 render("%p[custom]{:style => 'width: 100px;'} My Thing", :locals => {:custom => custom}))
  end

  def test_object_ref_with_multiple_ids
    cpk_record = PrettyCpkRecord.new([42,6,9])
    assert_equal("<p class='struct_pretty_cpk_record' id='struct_pretty_cpk_record_42_6_9' style='width: 100px;'>CPK Record</p>\n",
                 render("%p[cpk_record]{:style => 'width: 100px;'} CPK Record", :locals => {:cpk_record => cpk_record}))
  end

  def test_non_literal_attributes
    assert_equal("<p a1='foo' a2='bar' a3='baz'></p>\n",
                 render("%p{a2, a1, :a3 => 'baz'}",
                        :locals => {:a1 => {:a1 => 'foo'}, :a2 => {:a2 => 'bar'}}))
  end

  def test_render_should_accept_a_binding_as_scope
    string = "This is a string!"
    string.instance_variable_set(:@var, "Instance variable")
    b = string.instance_eval do
      var = "Local variable"
      # Silence unavoidable warning; Ruby doesn't know we're going to use this
      # later.
      nil if var
      binding
    end

    assert_equal("<p>THIS IS A STRING!</p>\n<p>Instance variable</p>\n<p>Local variable</p>\n",
                 render("%p= upcase\n%p= @var\n%p= var", :scope => b))
  end

  def test_yield_should_work_with_binding
    assert_equal("12\nFOO\n", render("= yield\n= upcase", :scope => "foo".instance_eval{binding}) { 12 })
  end

  def test_yield_should_work_with_def_method
    s = "foo"
    engine("= yield\n= upcase").def_method(s, :render)
    assert_equal("12\nFOO\n", s.render { 12 })
  end

  def test_render_proc_locals
    proc = engine("%p= foo\n.bar{:baz => baz}= boom").render_proc(Object.new, :foo, :baz, :boom)
    assert_equal("<p>1</p>\n<div baz='2' class='bar'>3</div>\n", proc[:foo => 1, :baz => 2, :boom => 3])
  end

  def test_render_proc_with_binding
    assert_equal("FOO\n", engine("= upcase").render_proc("foo".instance_eval{binding}).call)
  end

  def test_haml_buffer_gets_reset_even_with_exception
    scope = Object.new
    render("- raise Haml::Error", :scope => scope)
    assert(false, "Expected exception")
  rescue Exception
    assert_nil(scope.send(:haml_buffer))
  end

  def test_def_method_haml_buffer_gets_reset_even_with_exception
    scope = Object.new
    engine("- raise Haml::Error").def_method(scope, :render)
    scope.render
    assert(false, "Expected exception")
  rescue Exception
    assert_nil(scope.send(:haml_buffer))
  end

  def test_render_proc_haml_buffer_gets_reset_even_with_exception
    scope = Object.new
    proc = engine("- raise Haml::Error").render_proc(scope)
    proc.call
    assert(false, "Expected exception")
  rescue Exception
    assert_nil(scope.send(:haml_buffer))
  end

  def test_render_proc_should_raise_haml_syntax_error_not_ruby_syntax_error
    assert_raises(Haml::SyntaxError) do
      Haml::Engine.new("%p{:foo => !}").render_proc(Object.new, :foo).call
    end
  end

  def test_render_should_raise_haml_syntax_error_not_ruby_syntax_error
    assert_raises(Haml::SyntaxError) do
      Haml::Engine.new("%p{:foo => !}").render
    end
  end

  def test_ugly_true
    assert_equal("<div id='outer'>\n<div id='inner'>\n<p>hello world</p>\n</div>\n</div>\n",
                 render("#outer\n  #inner\n    %p hello world", :ugly => true))

    assert_equal("<p>#{'s' * 75}</p>\n",
                 render("%p #{'s' * 75}", :ugly => true))

    assert_equal("<p>#{'s' * 75}</p>\n",
                 render("%p= 's' * 75", :ugly => true))
  end

  def test_remove_whitespace_true
    assert_equal("<div id='outer'><div id='inner'><p>hello world</p></div></div>",
                 render("#outer\n  #inner\n    %p hello world", :remove_whitespace => true))
    assert_equal("<p>hello world<pre>foo   bar\nbaz</pre></p>", render(<<HAML, :remove_whitespace => true))
%p
  hello world
  %pre
    foo   bar
    baz
HAML
    assert_equal("<div><span>foo</span> <span>bar</span></div>",
                 render('%div <span>foo</span> <span>bar</span>', :remove_whitespace => true))
  end

  def test_auto_preserve_unless_ugly
    assert_equal("<pre>foo&#x000A;bar</pre>\n", render('%pre="foo\nbar"'))
    assert_equal("<pre>foo\nbar</pre>\n", render("%pre\n  foo\n  bar"))
    assert_equal("<pre>foo\nbar</pre>\n", render('%pre="foo\nbar"', :ugly => true))
    assert_equal("<pre>foo\nbar</pre>\n", render("%pre\n  foo\n  bar", :ugly => true))
  end

  def test_xhtml_output_option
    assert_equal "<p>\n  <br />\n</p>\n", render("%p\n  %br", :format => :xhtml)
    assert_equal "<a />\n", render("%a/", :format => :xhtml)
  end

  def test_arbitrary_output_option
    assert_raises_message(Haml::Error, "Invalid output format :html1") do
      engine("%br", :format => :html1)
    end
  end

  def test_static_hashes
    assert_equal("<a b='a =&gt; b'></a>\n", render("%a{:b => 'a => b'}", :suppress_eval => true))
    assert_equal("<a b='a, b'></a>\n", render("%a{:b => 'a, b'}", :suppress_eval => true))
    assert_equal("<a b='a\tb'></a>\n", render('%a{:b => "a\tb"}', :suppress_eval => true))
    assert_equal("<a b='a\#{foo}b'></a>\n", render('%a{:b => "a\\#{foo}b"}', :suppress_eval => true))
    assert_equal("<a b='#f00'></a>\n", render("%a{:b => '#f00'}", :suppress_eval => true))
  end

  def test_dynamic_hashes_with_suppress_eval
    assert_equal("<a></a>\n", render('%a{:b => "a #{1 + 1} b", :c => "d"}', :suppress_eval => true))
  end

  def test_interpolates_instance_vars_in_attribute_values
    scope = Object.new
    scope.instance_variable_set :@foo, 'bar'
    assert_equal("<a b='a bar b'></a>\n", render('%a{:b => "a #@foo b"}', :scope => scope))
  end

  def test_interpolates_global_vars_in_attribute_values
    # make sure the value isn't just interpolated in during template compilation
    engine = Haml::Engine.new('%a{:b => "a #$global_var_for_testing b"}')
    $global_var_for_testing = 'bar'
    assert_equal("<a b='a bar b'></a>\n", engine.to_html)
  ensure
    $global_var_for_testing = nil
  end

  def test_utf8_attrs
    assert_equal("<a href='héllo'></a>\n", render("%a{:href => 'héllo'}"))
    assert_equal("<a href='héllo'></a>\n", render("%a(href='héllo')"))
  end

  # HTML 4.0

  def test_html_has_no_self_closing_tags
    assert_equal "<p>\n  <br>\n</p>\n", render("%p\n  %br", :format => :html4)
    assert_equal "<br>\n", render("%br/", :format => :html4)
  end

  def test_html_renders_empty_node_with_closing_tag
    assert_equal "<div class='foo'></div>\n", render(".foo", :format => :html4)
  end

  def test_html_doesnt_add_slash_to_self_closing_tags
    assert_equal "<a>\n", render("%a/", :format => :html4)
    assert_equal "<a foo='2'>\n", render("%a{:foo => 1 + 1}/", :format => :html4)
    assert_equal "<meta>\n", render("%meta", :format => :html4)
    assert_equal "<meta foo='2'>\n", render("%meta{:foo => 1 + 1}", :format => :html4)
  end

  def test_html_ignores_xml_prolog_declaration
    assert_equal "", render('!!! XML', :format => :html4)
  end

  def test_html_has_different_doctype
    assert_equal %{<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\n},
    render('!!!', :format => :html4)
  end

  # because anything before the doctype triggers quirks mode in IE
  def test_xml_prolog_and_doctype_dont_result_in_a_leading_whitespace_in_html
    refute_match(/^\s+/, render("!!! xml\n!!!", :format => :html4))
  end

  # HTML5
  def test_html5_doctype
    assert_equal %{<!DOCTYPE html>\n}, render('!!!', :format => :html5)
  end

  # HTML5 custom data attributes
  def test_html5_data_attributes_without_hyphenation
    assert_equal("<div data-author_id='123' data-biz='baz' data-foo='bar'></div>\n",
      render("%div{:data => {:author_id => 123, :foo => 'bar', :biz => 'baz'}}",
        :hyphenate_data_attrs => false))

    assert_equal("<div data-one_plus_one='2'></div>\n",
      render("%div{:data => {:one_plus_one => 1+1}}",
        :hyphenate_data_attrs => false))

    assert_equal("<div data-foo='Here&#x0027;s a \"quoteful\" string.'></div>\n",
      render(%{%div{:data => {:foo => %{Here's a "quoteful" string.}}}},
        :hyphenate_data_attrs => false)) #'
  end