bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_def/src/macro_expansion_tests/builtin.rs')
-rw-r--r--crates/hir_def/src/macro_expansion_tests/builtin.rs121
1 files changed, 121 insertions, 0 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/builtin.rs b/crates/hir_def/src/macro_expansion_tests/builtin.rs
new file mode 100644
index 0000000000..c2b900b9df
--- /dev/null
+++ b/crates/hir_def/src/macro_expansion_tests/builtin.rs
@@ -0,0 +1,121 @@
+//! Tests for builtin macros (see `builtin_macro.rs` in `hir_expand`).
+
+use expect_test::expect;
+
+use crate::macro_expansion_tests::check;
+
+#[test]
+fn test_column_expand() {
+ check(
+ r#"
+#[rustc_builtin_macro]
+macro_rules! column {() => {}}
+
+fn main() { column!(); }
+"#,
+ expect![[r##"
+#[rustc_builtin_macro]
+macro_rules! column {() => {}}
+
+fn main() { 0; }
+"##]],
+ );
+}
+
+#[test]
+fn test_line_expand() {
+ check(
+ r#"
+#[rustc_builtin_macro]
+macro_rules! line {() => {}}
+
+fn main() { line!() }
+"#,
+ expect![[r##"
+#[rustc_builtin_macro]
+macro_rules! line {() => {}}
+
+fn main() { 0 }
+"##]],
+ );
+}
+
+#[test]
+fn test_stringify_expand() {
+ check(
+ r#"
+#[rustc_builtin_macro]
+macro_rules! stringify {() => {}}
+
+fn main() {
+ stringify!(
+ a
+ b
+ c
+ );
+}
+"#,
+ expect![[r##"
+#[rustc_builtin_macro]
+macro_rules! stringify {() => {}}
+
+fn main() {
+ "a b c";
+}
+"##]],
+ );
+}
+
+#[test]
+fn test_env_expand() {
+ check(
+ r#"
+#[rustc_builtin_macro]
+macro_rules! env {() => {}}
+
+fn main() { env!("TEST_ENV_VAR"); }
+"#,
+ expect![[r##"
+#[rustc_builtin_macro]
+macro_rules! env {() => {}}
+
+fn main() { "__RA_UNIMPLEMENTED__"; }
+"##]],
+ );
+}
+
+#[test]
+fn test_option_env_expand() {
+ check(
+ r#"
+#[rustc_builtin_macro]
+macro_rules! option_env {() => {}}
+
+fn main() { option_env!("TEST_ENV_VAR"); }
+"#,
+ expect![[r##"
+#[rustc_builtin_macro]
+macro_rules! option_env {() => {}}
+
+fn main() { std::option::Option::None:: < &str>; }
+"##]],
+ );
+}
+
+#[test]
+fn test_file_expand() {
+ check(
+ r#"
+#[rustc_builtin_macro]
+macro_rules! file {() => {}}
+
+fn main() { file!(); }
+"#,
+ expect![[r##"
+#[rustc_builtin_macro]
+macro_rules! file {() => {}}
+
+fn main() { ""; }
+"##]],
+ );
+}