Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/ui/macros/macro-expansion-tests.rs b/tests/ui/macros/macro-expansion-tests.rs
new file mode 100644
index 000000000..38f4937c1
--- /dev/null
+++ b/tests/ui/macros/macro-expansion-tests.rs
@@ -0,0 +1,40 @@
+#![allow(unused_macros)]
+
+mod macros_cant_escape_fns {
+    fn f() {
+        macro_rules! m { () => { 3 + 4 } }
+    }
+    fn g() -> i32 { m!() }
+    //~^ ERROR cannot find macro
+}
+
+mod macros_cant_escape_mods {
+    mod f {
+        macro_rules! m { () => { 3 + 4 } }
+    }
+    fn g() -> i32 { m!() }
+    //~^ ERROR cannot find macro
+}
+
+mod macros_can_escape_flattened_mods_test {
+    #[macro_use]
+    mod f {
+        macro_rules! m { () => { 3 + 4 } }
+    }
+    fn g() -> i32 { m!() }
+}
+
+fn macro_tokens_should_match() {
+    macro_rules! m { (a) => { 13 } }
+    m!(a);
+}
+
+// should be able to use a bound identifier as a literal in a macro definition:
+fn self_macro_parsing() {
+    macro_rules! foo { (zz) => { 287; } }
+    fn f(zz: i32) {
+        foo!(zz);
+    }
+}
+
+fn main() {}