From 26b9c793f1008e1c5cb1ca61f3c5892f8025f387 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Sun, 3 Jan 2021 17:56:59 +0800
Subject: Fixed nested eager macro bug

---
 crates/hir_ty/src/tests/macros.rs | 46 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'crates/hir_ty/src')

diff --git a/crates/hir_ty/src/tests/macros.rs b/crates/hir_ty/src/tests/macros.rs
index 23b79abc4..c64f0b5b5 100644
--- a/crates/hir_ty/src/tests/macros.rs
+++ b/crates/hir_ty/src/tests/macros.rs
@@ -570,6 +570,52 @@ fn bar() -> u32 {0}
     );
 }
 
+#[test]
+fn infer_builtin_macros_include_str() {
+    check_types(
+        r#"
+//- /main.rs
+#[rustc_builtin_macro]
+macro_rules! include_str {() => {}}
+
+fn main() {
+    let a = include_str!("foo.rs");
+    a;
+} //^ &str
+
+//- /foo.rs
+hello
+"#,
+    );
+}
+
+#[test]
+fn infer_builtin_macros_include_str_with_lazy_nested() {
+    check_types(
+        r#"
+//- /main.rs
+#[rustc_builtin_macro]
+macro_rules! concat {() => {}}
+#[rustc_builtin_macro]
+macro_rules! include_str {() => {}}
+
+macro_rules! m {
+    ($x:expr) => {
+        concat!("foo", $x)
+    };
+}
+
+fn main() {
+    let a = include_str!(m!(".rs"));
+    a;
+} //^ &str
+
+//- /foo.rs
+hello
+"#,
+    );
+}
+
 #[test]
 #[ignore]
 fn include_accidentally_quadratic() {
-- 
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