verify warning is emitted when raster icon for admonition block cannot be embedded

1 files changed, 14 insertions, 0 deletions

diff --git a/spec/admonition_spec.rb b/spec/admonition_spec.rb
index e99cdf44..d44d97a3 100644
--- a/spec/admonition_spec.rb
+++ b/spec/admonition_spec.rb
@@ -460,6 +460,20 @@ describe 'Asciidoctor::PDF::Converter - Admonition' do
       end).to log_message severity: :WARN, message: %(~could not embed admonition icon: #{fixture_file 'broken.svg'}; Missing end tag for 'rect')
     end
 
+    it 'should warn if raster icon specified by icon attribute cannot be embedded' do
+      (expect do
+        pdf = to_pdf <<~'EOS', attribute_overrides: { 'iconsdir' => fixtures_dir }, analyze: :image
+        :icons:
+
+        [TIP,icon=corrupt.png]
+        ====
+        Use the icon attribute to customize the image for an admonition block.
+        ====
+        EOS
+        (expect pdf.images).to be_empty
+      end).to log_message severity: :WARN, message: %(~could not embed admonition icon: #{fixture_file 'corrupt.png'}; image file is an unrecognised format)
+    end
+
     it 'should embed remote image in icon if allow-uri-read attribute is set', visual: true do
       to_file = to_pdf_file <<~'EOS', 'admonition-custom-svg-icon-with-remote-image.pdf', attribute_overrides: { 'docdir' => fixtures_dir, 'allow-uri-read' => '' }
       :icons: font