1 files changed, 56 insertions, 0 deletions
diff --git a/src/test/ui-fulldeps/auxiliary/lint-tool-test.rs b/src/test/ui-fulldeps/auxiliary/lint-tool-test.rs
new file mode 100644
index 000000000..3d5dba42b
--- /dev/null
+++ b/src/test/ui-fulldeps/auxiliary/lint-tool-test.rs
@@ -0,0 +1,56 @@
+#![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, LintId, LintPass};
+use rustc_ast as ast;
+declare_tool_lint!(pub clippy::TEST_LINT, Warn, "Warn about stuff");
+declare_tool_lint!(
+    /// Some docs
+    pub clippy::TEST_GROUP,
+    Warn, "Warn about other stuff"
+);
+
+declare_tool_lint!(
+    /// Some docs
+    pub rustc::TEST_RUSTC_TOOL_LINT,
+    Deny,
+    "Deny internal stuff"
+);
+
+declare_lint_pass!(Pass => [TEST_LINT, TEST_GROUP, TEST_RUSTC_TOOL_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, |lint| {
+                lint.build("item is named 'lintme'").set_span(it.span).emit();
+            });
+        }
+        if it.ident.name.as_str() == "lintmetoo" {
+            cx.lint(TEST_GROUP, |lint| {
+                lint.build("item is named 'lintmetoo'").set_span(it.span).emit();
+            });
+        }
+    }
+}
+
+#[no_mangle]
+fn __rustc_plugin_registrar(reg: &mut Registry) {
+    reg.lint_store.register_lints(&[&TEST_RUSTC_TOOL_LINT, &TEST_LINT, &TEST_GROUP]);
+    reg.lint_store.register_early_pass(|| Box::new(Pass));
+    reg.lint_store.register_group(
+        true,
+        "clippy::group",
+        Some("clippy_group"),
+        vec![LintId::of(&TEST_LINT), LintId::of(&TEST_GROUP)],
+    );
+}