Add features to the default Cargo.toml file

Signed-off-by: hi-rustin <[email protected]>

crates/cargo-test-support/src/registry.rs

@@ -1523,6 +1523,30 @@ impl Package {
             manifest.push_str(&format!("rust-version = \"{}\"", version));
         }
 
+        if !self.features.is_empty() {
+            let features: Vec<String> = self
+                .features
+                .iter()
+                .map(|(feature, features)| {
+                    if features.is_empty() {
+                        format!("{} = []", feature)
+                    } else {
+                        format!(
+                            "{} = [{}]",
+                            feature,
+                            features
+                                .iter()
+                                .map(|s| format!("\"{}\"", s))
+                                .collect::<Vec<_>>()
+                                .join(", ")
+                        )
+                    }
+                })
+                .collect();
+
+            manifest.push_str(&format!("\n[features]\n{}", features.join("\n")));
+        }
+
         for dep in self.deps.iter() {
             let target = match dep.target {
                 None => String::new(),

tests/testsuite/cargo_remove/update_lock_file/mod.rs

@@ -11,12 +11,13 @@ fn case() {
     cargo_test_support::registry::Package::new("regex", "0.1.1+my-package").publish();
     cargo_test_support::registry::Package::new("rustc-serialize", "0.4.0+my-package").publish();
     cargo_test_support::registry::Package::new("toml", "0.1.1+my-package").publish();
-    cargo_test_support::registry::Package::new("semver", "0.1.1")
+    let ch = cargo_test_support::registry::Package::new("semver", "0.1.1")
         .feature("std", &[])
         .publish();
     cargo_test_support::registry::Package::new("serde", "1.0.90")
         .feature("std", &[])
         .publish();
+    println!("ch: {:?}", ch);
 
     let project = Project::from_template(curr_dir!().join("in"));
     let project_root = project.root();