1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui-fulldeps/plugin/auxiliary/lint-plugin-test.rs b/tests/ui-fulldeps/plugin/auxiliary/lint-plugin-test.rs
new file mode 100644
index 000000000..30956deb7
--- /dev/null
+++ b/tests/ui-fulldeps/plugin/auxiliary/lint-plugin-test.rs
@@ -0,0 +1,33 @@
+// force-host
+
+#![feature(rustc_private)]
+
+extern crate rustc_ast;
+
+// Load rustc as a plugin to get macros
+extern crate rustc_driver;
+#[macro_use]
+extern crate rustc_lint;
+#[macro_use]
+extern crate rustc_session;
+
+use rustc_driver::plugin::Registry;
+use rustc_lint::{EarlyContext, EarlyLintPass, LintArray, LintContext, LintPass};
+use rustc_ast as ast;
+declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
+
+declare_lint_pass!(Pass => [TEST_LINT]);
+
+impl EarlyLintPass for Pass {
+    fn check_item(&mut self, cx: &EarlyContext, it: &ast::Item) {
+        if it.ident.name.as_str() == "lintme" {
+            cx.lint(TEST_LINT, "item is named 'lintme'", |lint| lint.set_span(it.span));
+        }
+    }
+}
+
+#[no_mangle]
+fn __rustc_plugin_registrar(reg: &mut Registry) {
+    reg.lint_store.register_lints(&[&TEST_LINT]);
+    reg.lint_store.register_early_pass(|| Box::new(Pass));
+}