1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/gif/tests/stall.rs b/vendor/gif/tests/stall.rs
new file mode 100644
index 0000000..3d51a17
--- /dev/null
+++ b/vendor/gif/tests/stall.rs
@@ -0,0 +1,42 @@
+use std::{fs, sync::mpsc, thread, time::Duration};
+
+#[test]
+fn try_decode_crash_regression() {
+    let files = fs::read_dir(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/stall")).unwrap();
+
+    for entry in files {
+        let entry = entry.unwrap();
+        if let Some(ext) = entry.path().extension() {
+            if ext.to_str() != Some("gif") {
+                panic!("Unexpected file {} in crashtests, should end with .gif", entry.path().display());
+            }
+        } else {
+            panic!("Unexpected file {} in crashtests, should end with .gif", entry.path().display());
+        }
+
+        let file_data = fs::read(entry.path()).unwrap();
+        let _ = decode_on_timer(file_data);
+    }
+}
+
+fn decode_on_timer(data: Vec<u8>) {
+    let (send, recv) = mpsc::channel();
+
+    thread::spawn(move || {
+        let result = decode(&data);
+        send.send(result).expect("still waiting");
+    });
+
+    let _ = recv.recv_timeout(Duration::from_secs(1))
+        .expect("any result");
+}
+
+fn decode(data: &[u8]) -> Result<(), gif::DecodingError> {
+    let mut options = gif::DecodeOptions::new();
+    options.set_color_output(gif::ColorOutput::RGBA);
+
+    let mut decoder = options.read_info(data)?;
+    while let Some(_frame) = decoder.read_next_frame()? {}
+
+    Ok(())
+}