1 files changed, 12 insertions, 0 deletions
diff --git a/rust-cli/grrs/tests/finds_matches.rs b/rust-cli/grrs/tests/finds_matches.rs
new file mode 100644
index 0000000..5f301fc
--- /dev/null
+++ b/rust-cli/grrs/tests/finds_matches.rs
@@ -0,0 +1,12 @@
+use std::fs::File;
+
+#[test]
+fn finds_matches() {
+    let mut test_file = File::create("finds_matches.txt").unwrap();
+    std::io::Write::write_all(&mut test_file, b"asdf\ntesting").unwrap();
+    std::io::Write::flush(&mut test_file).unwrap();
+    let file_to_test = File::open("finds_matches.txt").expect("could not read test file");
+    let matches = grrs::find_matches(&file_to_test, "asdf").unwrap();
+    assert_eq!(matches.len(), 1);
+    std::fs::remove_file("finds_matches.txt").unwrap();
+}
+\ No newline at end of file