1 files changed, 8 insertions, 0 deletions
diff --git a/third_party/rust/flate2/tests/zero-write.rs b/third_party/rust/flate2/tests/zero-write.rs
new file mode 100644
index 0000000000..f0db86cb8d
--- /dev/null
+++ b/third_party/rust/flate2/tests/zero-write.rs
@@ -0,0 +1,8 @@
+extern crate flate2;
+
+#[test]
+fn zero_write_is_error() {
+    let mut buf = [0u8];
+    let writer = flate2::write::DeflateEncoder::new(&mut buf[..], flate2::Compression::default());
+    assert!(writer.finish().is_err());
+}