Add regression tests.

2 files changed, 20 insertions, 0 deletions

diff --git a/01/Cargo.toml b/01/Cargo.toml
index e9379e7..4534ef6 100644
--- a/01/Cargo.toml
+++ b/01/Cargo.toml
@@ -6,3 +6,6 @@ edition = "2018"
 
 [dependencies]
 advent_lib = { path = "../lib" }
+
+[dev-dependencies]
+assert_cmd = "0.10"
diff --git a/01/tests/main.rs b/01/tests/main.rs
new file mode 100644
index 0000000..b3d3cec
--- /dev/null
+++ b/01/tests/main.rs
@@ -0,0 +1,17 @@
+use assert_cmd::prelude::*;
+//use predicates::prelude::*;
+use std::process::Command;
+
+
+#[test]
+fn personal_input() -> Result<(), Box<dyn std::error::Error>> {
+  let mut command = Command::cargo_bin("advent_01")?;
+
+  command.arg("input");
+  command.assert().success().stdout(
+      "a: 246, b: 1774, a*b: 436404\n\
+      a: 448, b: 721, c: 851, a*b*c: 274879808\n");
+
+  Ok(())
+}
+