Fixes bug with too large inputs causing a panic

We would prefer a more graceful error message stating what went wrong.
Caught by the Travis test.

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/arg_rate_tests.rs b/tests/arg_tests.rs
index 7f22431c..f184b811 100644
--- a/tests/arg_rate_tests.rs
+++ b/tests/arg_tests.rs
@@ -35,6 +35,58 @@ fn test_small_rate() -> Result<(), Box<dyn std::error::Error>> {
 }
 
 #[test]
+fn test_large_default_time() -> Result<(), Box<dyn std::error::Error>> {
+    Command::new(get_os_binary_loc())
+        .arg("-t")
+        .arg("18446744073709551616")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "Please set your default value to be at most unsigned INT_MAX.",
+        ));
+    Ok(())
+}
+
+#[test]
+fn test_small_default_time() -> Result<(), Box<dyn std::error::Error>> {
+    Command::new(get_os_binary_loc())
+        .arg("-t")
+        .arg("900")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "Please set your default value to be at least 30 seconds.",
+        ));
+    Ok(())
+}
+
+#[test]
+fn test_large_delta_time() -> Result<(), Box<dyn std::error::Error>> {
+    Command::new(get_os_binary_loc())
+        .arg("-d")
+        .arg("18446744073709551616")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "Please set your time delta to be at most unsigned INT_MAX.",
+        ));
+    Ok(())
+}
+
+#[test]
+fn test_small_delta_time() -> Result<(), Box<dyn std::error::Error>> {
+    Command::new(get_os_binary_loc())
+        .arg("-d")
+        .arg("900")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "Please set your time delta to be at least 1 second.",
+        ));
+    Ok(())
+}
+
+#[test]
 fn test_large_rate() -> Result<(), Box<dyn std::error::Error>> {
     Command::new(get_os_binary_loc())
         .arg("-r")