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-rw-r--r--src/test/ui/macros/macro-in-expression-context.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/macros/macro-in-expression-context.rs b/src/test/ui/macros/macro-in-expression-context.rs
new file mode 100644
index 000000000..1a056e582
--- /dev/null
+++ b/src/test/ui/macros/macro-in-expression-context.rs
@@ -0,0 +1,27 @@
+// run-rustfix
+
+macro_rules! foo {
+ () => {
+ assert_eq!("A", "A");
+ //~^ WARN trailing semicolon in macro
+ //~| WARN this was previously
+ //~| NOTE macro invocations at the end of a block
+ //~| NOTE to ignore the value produced by the macro
+ //~| NOTE for more information
+ //~| NOTE `#[warn(semicolon_in_expressions_from_macros)]` on by default
+ assert_eq!("B", "B");
+ }
+ //~^^ ERROR macro expansion ignores token `assert_eq` and any following
+ //~| NOTE the usage of `foo!` is likely invalid in expression context
+}
+
+fn main() {
+ foo!()
+ //~^ NOTE caused by the macro expansion here
+ //~| NOTE in this expansion
+ //~| NOTE in this expansion
+ //~| NOTE in this expansion
+ //~| NOTE in this expansion
+ //~| NOTE in this expansion
+ //~| NOTE in this expansion
+}