1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/gif/tests/crashtest.rs b/vendor/gif/tests/crashtest.rs
new file mode 100644
index 0000000..ef67cb3
--- /dev/null
+++ b/vendor/gif/tests/crashtest.rs
@@ -0,0 +1,28 @@
+use std::{fs, io};
+use gif::DecodeOptions;
+
+#[test]
+fn try_decode_crash_regression() {
+    let files = fs::read_dir(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/crashtest")).unwrap();
+    let options = DecodeOptions::new();
+
+    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 _ = try_decode_file(&options, file_data);
+    }
+}
+
+fn try_decode_file(options: &DecodeOptions, data: Vec<u8>) -> Result<(), gif::DecodingError> {
+    let mut reader = options.clone().read_info(io::Cursor::new(data))?;
+    while reader.read_next_frame()?.is_some() {}
+    Ok(())
+}