macro_rules: Add more tests for using `tt` in addition to `ident`

Generally, `tt` and `ident` should behave identically, modulo the latter accepting only a subset of token trees.

2 files changed, 24 insertions, 6 deletions

diff --git a/tests/ui/methods/method-on-ambiguous-numeric-type.rs b/tests/ui/methods/method-on-ambiguous-numeric-type.rs
index 82f47438d50..f42b72e9f9c 100644
--- a/tests/ui/methods/method-on-ambiguous-numeric-type.rs
+++ b/tests/ui/methods/method-on-ambiguous-numeric-type.rs
@@ -5,6 +5,9 @@
 macro_rules! local_mac {
     ($ident:ident) => { let $ident = 42; }
 }
+macro_rules! local_mac_tt {
+    ($tt:tt) => { let $tt = 42; }
+}
 
 fn main() {
     let x = 2.0.neg();
@@ -23,6 +26,10 @@ fn main() {
     local_mac!(local_bar);
     local_bar.pow(2);
     //~^ ERROR can't call method `pow` on ambiguous numeric type `{integer}`
+
+    local_mac_tt!(local_bar_tt);
+    local_bar_tt.pow(2);
+    //~^ ERROR can't call method `pow` on ambiguous numeric type `{integer}`
 }
 
 fn qux() {
diff --git a/tests/ui/methods/method-on-ambiguous-numeric-type.stderr b/tests/ui/methods/method-on-ambiguous-numeric-type.stderr
index 91733411637..060595e1d40 100644
--- a/tests/ui/methods/method-on-ambiguous-numeric-type.stderr
+++ b/tests/ui/methods/method-on-ambiguous-numeric-type.stderr
@@ -1,5 +1,5 @@
 error[E0689]: can't call method `neg` on ambiguous numeric type `{float}`
-  --> $DIR/method-on-ambiguous-numeric-type.rs:10:17
+  --> $DIR/method-on-ambiguous-numeric-type.rs:13:17
    |
 LL |     let x = 2.0.neg();
    |                 ^^^
@@ -10,7 +10,7 @@ LL |     let x = 2.0_f32.neg();
    |             ~~~~~~~
 
 error[E0689]: can't call method `neg` on ambiguous numeric type `{float}`
-  --> $DIR/method-on-ambiguous-numeric-type.rs:14:15
+  --> $DIR/method-on-ambiguous-numeric-type.rs:17:15
    |
 LL |     let x = y.neg();
    |               ^^^
@@ -21,7 +21,7 @@ LL |     let y: f32 = 2.0;
    |          +++++
 
 error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
-  --> $DIR/method-on-ambiguous-numeric-type.rs:19:26
+  --> $DIR/method-on-ambiguous-numeric-type.rs:22:26
    |
 LL |     for i in 0..100 {
    |         - you must specify a type for this binding, like `i32`
@@ -29,7 +29,7 @@ LL |         println!("{}", i.pow(2));
    |                          ^^^
 
 error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
-  --> $DIR/method-on-ambiguous-numeric-type.rs:24:15
+  --> $DIR/method-on-ambiguous-numeric-type.rs:27:15
    |
 LL |     local_bar.pow(2);
    |               ^^^
@@ -40,7 +40,18 @@ LL |     ($ident:ident) => { let $ident: i32 = 42; }
    |                                   +++++
 
 error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
-  --> $DIR/method-on-ambiguous-numeric-type.rs:30:9
+  --> $DIR/method-on-ambiguous-numeric-type.rs:31:18
+   |
+LL |     local_bar_tt.pow(2);
+   |                  ^^^
+   |
+help: you must specify a type for this binding, like `i32`
+   |
+LL |     ($tt:tt) => { let $tt: i32 = 42; }
+   |                          +++++
+
+error[E0689]: can't call method `pow` on ambiguous numeric type `{integer}`
+  --> $DIR/method-on-ambiguous-numeric-type.rs:37:9
    |
 LL |     bar.pow(2);
    |         ^^^
@@ -51,6 +62,6 @@ help: you must specify a type for this binding, like `i32`
 LL |     ($ident:ident) => { let $ident: i32 = 42; }
    |                                   +++++
 
-error: aborting due to 5 previous errors
+error: aborting due to 6 previous errors
 
 For more information about this error, try `rustc --explain E0689`.