From 0069649c3d23282942e44ee9d5d60546ae920070 Mon Sep 17 00:00:00 2001
From: Jacob Kiesel <jake@bitcrafters.co>
Date: Sun, 29 Sep 2024 01:22:30 -0600
Subject: [PATCH] Add basic integration test for checksum-hash-algorithm
 feature

---
 tests/run-make/checksum-freshness/expected.d | 3 +++
 tests/run-make/checksum-freshness/lib.rs     | 5 +++++
 tests/run-make/checksum-freshness/rmake.rs   | 9 +++++++++
 3 files changed, 17 insertions(+)
 create mode 100644 tests/run-make/checksum-freshness/expected.d
 create mode 100644 tests/run-make/checksum-freshness/lib.rs
 create mode 100644 tests/run-make/checksum-freshness/rmake.rs

diff --git a/tests/run-make/checksum-freshness/expected.d b/tests/run-make/checksum-freshness/expected.d
new file mode 100644
index 0000000000000..c79bc8ff7dec7
--- /dev/null
+++ b/tests/run-make/checksum-freshness/expected.d
@@ -0,0 +1,3 @@
+lib.d: lib.rs # checksum:blake3=5fd6328c93a3360bc580567aec10731ab3e5efc4a0f957b1bba0db0d27af3767 file_len:110
+
+lib.rs:
diff --git a/tests/run-make/checksum-freshness/lib.rs b/tests/run-make/checksum-freshness/lib.rs
new file mode 100644
index 0000000000000..c2895dc2613c3
--- /dev/null
+++ b/tests/run-make/checksum-freshness/lib.rs
@@ -0,0 +1,5 @@
+// A basic library to be used in tests with no real purpose.
+
+pub fn sum(a: i32, b: i32) -> i32 {
+    a + b
+}
diff --git a/tests/run-make/checksum-freshness/rmake.rs b/tests/run-make/checksum-freshness/rmake.rs
new file mode 100644
index 0000000000000..071db6b145b51
--- /dev/null
+++ b/tests/run-make/checksum-freshness/rmake.rs
@@ -0,0 +1,9 @@
+use run_make_support::{rfs, rustc};
+
+fn main() {
+    rustc().input("lib.rs").arg("-Zchecksum-hash-algorithm=blake3").emit("dep-info").run();
+    let make_file_contents = rfs::read_to_string("lib.d");
+    let expected_contents = rfs::read_to_string("expected.d");
+    assert_eq!(make_file_contents, expected_contents);
+    assert!(!expected_contents.is_empty());
+}