1 files changed, 28 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/cargo_add/build_prefer_existing_version/mod.rs b/src/tools/cargo/tests/testsuite/cargo_add/build_prefer_existing_version/mod.rs
new file mode 100644
index 000000000..b0bb2e03b
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/cargo_add/build_prefer_existing_version/mod.rs
@@ -0,0 +1,28 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::prelude::*;
+use cargo_test_support::Project;
+
+use crate::cargo_add::init_alt_registry;
+
+#[cargo_test]
+fn case() {
+    init_alt_registry();
+    let project =
+        Project::from_template("tests/testsuite/cargo_add/build_prefer_existing_version/in");
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("add")
+        .arg_line("cargo-list-test-fixture-dependency --build")
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches_path("tests/testsuite/cargo_add/build_prefer_existing_version/stdout.log")
+        .stderr_matches_path("tests/testsuite/cargo_add/build_prefer_existing_version/stderr.log");
+
+    assert_ui().subset_matches(
+        "tests/testsuite/cargo_add/build_prefer_existing_version/out",
+        &project_root,
+    );
+}