1 files changed, 19 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/error.rs b/src/tools/cargo/tests/testsuite/error.rs
new file mode 100644
index 000000000..410902c21
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/error.rs
@@ -0,0 +1,19 @@
+//! General error tests that don't belong anywhere else.
+
+use cargo_test_support::cargo_process;
+
+#[cargo_test]
+fn internal_error() {
+    cargo_process("init")
+        .env("__CARGO_TEST_INTERNAL_ERROR", "1")
+        .with_status(101)
+        .with_stderr(
+            "\
+[ERROR] internal error test
+[NOTE] this is an unexpected cargo internal error
+[NOTE] we would appreciate a bug report: https://github.com/rust-lang/cargo/issues/
+[NOTE] cargo [..]
+",
+        )
+        .run();
+}