1 files changed, 35 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/advanced_env.rs b/src/tools/cargo/tests/testsuite/advanced_env.rs
new file mode 100644
index 000000000..8aab528ea
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/advanced_env.rs
@@ -0,0 +1,35 @@
+//! -Zadvanced-env tests
+
+use cargo_test_support::{paths, project, registry::Package};
+
+#[cargo_test]
+fn source_config_env() {
+    // Try to define [source] with environment variables.
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.1.0"
+
+            [dependencies]
+            somedep = "1.0"
+            "#,
+        )
+        .file("src/lib.rs", "")
+        .build();
+
+    Package::new("somedep", "1.0.0")
+        .local(true)
+        .file("src/lib.rs", "")
+        .publish();
+
+    let path = paths::root().join("registry");
+
+    p.cargo("check -Zadvanced-env")
+        .masquerade_as_nightly_cargo(&["advanced-env"])
+        .env("CARGO_SOURCE_crates-io_REPLACE_WITH", "my-local-source")
+        .env("CARGO_SOURCE_my-local-source_LOCAL_REGISTRY", path)
+        .run();
+}