add tests for preserve features sorted and usorted

tests/testsuite/cargo_add/mod.rs

@@ -111,7 +111,9 @@ mod path_inferred_name;
 mod path_inferred_name_conflicts_full_feature;
 mod path_normalized_name;
 mod preserve_dep_std_table;
+mod preserve_features_sorted;
 mod preserve_features_table;
+mod preserve_features_unsorted;
 mod preserve_sorted;
 mod preserve_unsorted;
 mod public;

tests/testsuite/cargo_add/preserve_features_sorted/in/Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"
+edition = "2015"
+
+[dependencies]
+my-package = { version = "99999.0.0", features = ["a", "b", "c", "e"] }

tests/testsuite/cargo_add/preserve_features_sorted/mod.rs

@@ -0,0 +1,33 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::current_dir;
+use cargo_test_support::file;
+use cargo_test_support::prelude::*;
+use cargo_test_support::str;
+use cargo_test_support::Project;
+
+#[cargo_test]
+fn case() {
+    cargo_test_support::registry::init();
+    cargo_test_support::registry::Package::new("my-package", "99999.0.0+my-package")
+        .feature("a", &[])
+        .feature("b", &[])
+        .feature("c", &[])
+        .feature("d", &[])
+        .feature("e", &[])
+        .publish();
+
+    let project = Project::from_template(current_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("add")
+        .arg_line("my-package -F d")
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches(str![""])
+        .stderr_matches(file!["stderr.term.svg"]);
+
+    assert_ui().subset_matches(current_dir!().join("out"), &project_root);
+}

tests/testsuite/cargo_add/preserve_features_sorted/out/Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"
+edition = "2015"
+
+[dependencies]
+my-package = { version = "99999.0.0", features = ["a", "b", "c", "e", "d"] }

tests/testsuite/cargo_add/preserve_features_unsorted/in/Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"
+edition = "2015"
+
+[dependencies]
+my-package = { version = "99999.0.0", features = ["b", "a", "d", "c"] }

tests/testsuite/cargo_add/preserve_features_unsorted/mod.rs

@@ -0,0 +1,33 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::current_dir;
+use cargo_test_support::file;
+use cargo_test_support::prelude::*;
+use cargo_test_support::str;
+use cargo_test_support::Project;
+
+#[cargo_test]
+fn case() {
+    cargo_test_support::registry::init();
+    cargo_test_support::registry::Package::new("my-package", "99999.0.0+my-package")
+        .feature("a", &[])
+        .feature("b", &[])
+        .feature("c", &[])
+        .feature("d", &[])
+        .feature("e", &[])
+        .publish();
+
+    let project = Project::from_template(current_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root;
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("add")
+        .arg_line("my-package -F e")
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_matches(str![""])
+        .stderr_matches(file!["stderr.term.svg"]);
+
+    assert_ui().subset_matches(current_dir!().join("out"), &project_root);
+}

tests/testsuite/cargo_add/preserve_features_unsorted/out/Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+
+[package]
+name = "cargo-list-test-fixture"
+version = "0.0.0"
+edition = "2015"
+
+[dependencies]
+my-package = { version = "99999.0.0", features = ["b", "a", "d", "c", "e"] }