render pass block as listing block, using raw source as contents

4 files changed, 39 insertions, 12 deletions

diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 2e29ccb0..56835fbb 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -14,6 +14,7 @@ For a detailed view of what has changed, refer to the {uri-repo}/commits/master[
 * allow running content image to be specified using a data URI
 * support creating empty front or back cover by assigning empty value to front-cover-image or back-cover-image attribute
 * only warn once per missing character (#1545)
+* render pass block as listing block, using raw source as contents
 
 == 1.5.0.rc.3 (2020-02-04) - @mojavelinux
 
diff --git a/lib/asciidoctor/pdf/converter.rb b/lib/asciidoctor/pdf/converter.rb
index a47ebd62..fd4dcd35 100644
--- a/lib/asciidoctor/pdf/converter.rb
+++ b/lib/asciidoctor/pdf/converter.rb
@@ -1787,6 +1787,14 @@ module Asciidoctor
 
       alias convert_listing convert_listing_or_literal
       alias convert_literal convert_listing_or_literal
+
+      def convert_pass node
+        node = node.dup
+        (subs = node.subs.dup).unshift :specialcharacters
+        node.instance_variable_set :@subs, subs.uniq
+        convert_listing_or_literal node
+      end
+
       alias convert_stem convert_listing_or_literal
 
       # Extract callout marks from string, indexed by 0-based line number
diff --git a/spec/listing_spec.rb b/spec/listing_spec.rb
index c1611ce6..a819e42f 100644
--- a/spec/listing_spec.rb
+++ b/spec/listing_spec.rb
@@ -205,16 +205,4 @@ describe 'Asciidoctor::PDF::Converter - Listing' do
     bold_text = (pdf.find_text '99')[0]
     (expect bold_text[:font_name]).to eql 'mplus1mn-bold'
   end
-
-  it 'should render stem as literal block if stem extension not present' do
-    pdf = to_pdf <<~'EOS', analyze: true
-    [stem]
-    ++++
-    sig = enc(H(D), s)
-    ++++
-    EOS
-
-    equation_text = (pdf.find_text 'sig = enc(H(D), s)')[0]
-    (expect equation_text[:font_name]).to eql 'mplus1mn-regular'
-  end
 end
diff --git a/spec/pass_spec.rb b/spec/pass_spec.rb
new file mode 100644
index 00000000..d1b5e975
--- /dev/null
+++ b/spec/pass_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require_relative 'spec_helper'
+
+describe 'Asciidoctor::PDF::Converter - Pass' do
+  it 'should render pass as literal block' do
+    pdf = to_pdf <<~'EOS', analyze: true
+    ++++
+    <p>This is a pass block.</p>
+    ++++
+    EOS
+
+    (expect pdf.text).to have_size 1
+    text = pdf.text[0]
+    (expect text[:string]).to eql '<p>This is a pass block.</p>'
+    (expect text[:font_name]).to eql 'mplus1mn-regular'
+  end
+
+  it 'should render stem as literal block if stem extension not present' do
+    pdf = to_pdf <<~'EOS', analyze: true
+    [stem]
+    ++++
+    sig = enc(H(D), s)
+    ++++
+    EOS
+
+    equation_text = (pdf.find_text 'sig = enc(H(D), s)')[0]
+    (expect equation_text[:font_name]).to eql 'mplus1mn-regular'
+  end
+end