[COMMITTED,2/9] gccrs: Add testcase for matches!() macro
Commit Message
From: Arthur Cohen <arthur.cohen@embecosm.com>
This adds a testcase for issue #2129.
gcc/testsuite/ChangeLog:
* rust/execute/torture/matches_macro.rs: New test.
---
.../rust/execute/torture/matches_macro.rs | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100644 gcc/testsuite/rust/execute/torture/matches_macro.rs
new file mode 100644
@@ -0,0 +1,30 @@
+macro_rules! matches {
+ ($expression:expr, $($pattern:pat)|+ $( if $guard:expr ),*) => {
+ match $expression {
+ $($pattern)|+ => true,
+ _ => false,
+ }
+ }
+}
+
+pub fn should_match() -> bool {
+ matches!(1, 1)
+}
+
+pub fn shouldnt() -> bool {
+ matches!(1, 2)
+}
+
+fn main() -> i32 {
+ let mut retval = 2;
+
+ if should_match() {
+ retval -= 1;
+ }
+
+ if !shouldnt() {
+ retval -= 1;
+ }
+
+ retval
+}