Fix GFM task list checkboxes followed by eol

Closes GH-24.

2 files changed, 67 insertions, 1 deletions

diff --git a/tests/fuzz.rs b/tests/fuzz.rs
index d1a87b7..297e6a9 100644
--- a/tests/fuzz.rs
+++ b/tests/fuzz.rs
@@ -109,5 +109,13 @@ fn fuzz() -> Result<(), String> {
         "10: attention in different links (GH-21)"
     );
 
+    assert!(
+        matches!(
+            to_mdast("* [ ]\na", &Default::default()),
+            Ok(mdast::Node::Root(_))
+        ),
+        "11: gfm task list items followed by eols (GH-24)"
+    );
+
     Ok(())
 }
diff --git a/tests/gfm_task_list_item.rs b/tests/gfm_task_list_item.rs
index 638206f..8b3f066 100644
--- a/tests/gfm_task_list_item.rs
+++ b/tests/gfm_task_list_item.rs
@@ -1,5 +1,5 @@
 use markdown::{
-    mdast::{List, ListItem, Node, Paragraph, Root, Text},
+    mdast::{Emphasis, List, ListItem, Node, Paragraph, Root, Text},
     to_html, to_html_with_options, to_mdast,
     unist::Position,
     Options, ParseOptions,
@@ -291,5 +291,63 @@ Text.</li>
         "should support task list items as `checked` fields on `ListItem`s in mdast"
     );
 
+    assert_eq!(
+        to_mdast(
+            "* [x]\r\n  a\n* [ ]   b\n* [x]\t \r*c*",
+            &ParseOptions::gfm()
+        )?,
+        Node::Root(Root {
+            children: vec![Node::List(List {
+                ordered: false,
+                spread: false,
+                start: None,
+                children: vec![
+                    Node::ListItem(ListItem {
+                        checked: Some(true),
+                        spread: false,
+                        children: vec![Node::Paragraph(Paragraph {
+                            children: vec![Node::Text(Text {
+                                value: "a".into(),
+                                position: Some(Position::new(2, 1, 7, 2, 4, 10))
+                            }),],
+                            position: Some(Position::new(2, 1, 7, 2, 4, 10))
+                        })],
+                        position: Some(Position::new(1, 1, 0, 2, 4, 10))
+                    }),
+                    Node::ListItem(ListItem {
+                        checked: Some(false),
+                        spread: false,
+                        children: vec![Node::Paragraph(Paragraph {
+                            children: vec![Node::Text(Text {
+                                value: "  b".into(),
+                                position: Some(Position::new(3, 7, 17, 3, 10, 20))
+                            }),],
+                            position: Some(Position::new(3, 7, 17, 3, 10, 20))
+                        })],
+                        position: Some(Position::new(3, 1, 11, 3, 10, 20))
+                    }),
+                    Node::ListItem(ListItem {
+                        checked: Some(true),
+                        spread: false,
+                        children: vec![Node::Paragraph(Paragraph {
+                            children: vec![Node::Emphasis(Emphasis {
+                                children: vec![Node::Text(Text {
+                                    value: "c".into(),
+                                    position: Some(Position::new(5, 2, 30, 5, 3, 31))
+                                }),],
+                                position: Some(Position::new(5, 1, 29, 5, 4, 32))
+                            })],
+                            position: Some(Position::new(5, 1, 29, 5, 4, 32))
+                        })],
+                        position: Some(Position::new(4, 1, 21, 5, 4, 32))
+                    }),
+                ],
+                position: Some(Position::new(1, 1, 0, 5, 4, 32))
+            })],
+            position: Some(Position::new(1, 1, 0, 5, 4, 32))
+        }),
+        "should handle lots of whitespace after checkbox, and non-text"
+    );
+
     Ok(())
 }