add macro test cases to extra arguments test

Author: Lukas Markeffsky

tests/ui/argument-suggestions/extra_arguments.rs

@@ -4,9 +4,15 @@ fn two_arg_same(_a: i32, _b: i32) {}
 fn two_arg_diff(_a: i32, _b: &str) {}
 
 macro_rules! foo {
-    ($x:expr) => {
+    ($x:expr, ~) => {
         empty($x, 1); //~ ERROR function takes
-    }
+    };
+    ($x:expr, $y:expr) => {
+        empty($x, $y); //~ ERROR function takes
+    };
+    (~, $y:expr) => {
+        empty(1, $y); //~ ERROR function takes
+    };
 }
 
 fn main() {
@@ -39,5 +45,11 @@ fn main() {
     1,
     ""
   );
-  foo!(1);
+
+  // Check with macro expansions
+  foo!(1, ~);
+  foo!(~, 1);
+  foo!(1, 1);
+  one_arg(1, panic!()); //~ ERROR function takes
+  one_arg(panic!(), 1); //~ ERROR function takes
 }

tests/ui/argument-suggestions/extra_arguments.stderr

@@ -1,5 +1,5 @@
 error[E0061]: this function takes 0 arguments but 1 argument was supplied
-  --> $DIR/extra_arguments.rs:13:3
+  --> $DIR/extra_arguments.rs:19:3
    |
 LL |   empty("");
    |   ^^^^^ --
@@ -14,7 +14,7 @@ LL | fn empty() {}
    |    ^^^^^
 
 error[E0061]: this function takes 0 arguments but 2 arguments were supplied
-  --> $DIR/extra_arguments.rs:14:3
+  --> $DIR/extra_arguments.rs:20:3
    |
 LL |   empty(1, 1);
    |   ^^^^^ -  - unexpected argument of type `{integer}`
@@ -33,7 +33,7 @@ LL +   empty();
    |
 
 error[E0061]: this function takes 1 argument but 2 arguments were supplied
-  --> $DIR/extra_arguments.rs:16:3
+  --> $DIR/extra_arguments.rs:22:3
    |
 LL |   one_arg(1, 1);
    |   ^^^^^^^  ---
@@ -48,7 +48,7 @@ LL | fn one_arg(_a: i32) {}
    |    ^^^^^^^ -------
 
 error[E0061]: this function takes 1 argument but 2 arguments were supplied
-  --> $DIR/extra_arguments.rs:17:3
+  --> $DIR/extra_arguments.rs:23:3
    |
 LL |   one_arg(1, "");
    |   ^^^^^^^  ----
@@ -63,7 +63,7 @@ LL | fn one_arg(_a: i32) {}
    |    ^^^^^^^ -------
 
 error[E0061]: this function takes 1 argument but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:18:3
+  --> $DIR/extra_arguments.rs:24:3
    |
 LL |   one_arg(1, "", 1.0);
    |   ^^^^^^^    --  --- unexpected argument of type `{float}`
@@ -82,7 +82,7 @@ LL +   one_arg(1);
    |
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:20:3
+  --> $DIR/extra_arguments.rs:26:3
    |
 LL |   two_arg_same(1, 1, 1);
    |   ^^^^^^^^^^^^     ---
@@ -97,7 +97,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {}
    |    ^^^^^^^^^^^^ -------  -------
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:21:3
+  --> $DIR/extra_arguments.rs:27:3
    |
 LL |   two_arg_same(1, 1, 1.0);
    |   ^^^^^^^^^^^^     -----
@@ -112,7 +112,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {}
    |    ^^^^^^^^^^^^ -------  -------
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:23:3
+  --> $DIR/extra_arguments.rs:29:3
    |
 LL |   two_arg_diff(1, 1, "");
    |   ^^^^^^^^^^^^  ---
@@ -127,7 +127,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {}
    |    ^^^^^^^^^^^^ -------  --------
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:24:3
+  --> $DIR/extra_arguments.rs:30:3
    |
 LL |   two_arg_diff(1, "", "");
    |   ^^^^^^^^^^^^      ----
@@ -142,7 +142,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {}
    |    ^^^^^^^^^^^^ -------  --------
 
 error[E0061]: this function takes 2 arguments but 4 arguments were supplied
-  --> $DIR/extra_arguments.rs:25:3
+  --> $DIR/extra_arguments.rs:31:3
    |
 LL |   two_arg_diff(1, 1, "", "");
    |   ^^^^^^^^^^^^    -      -- unexpected argument of type `&'static str`
@@ -161,7 +161,7 @@ LL +   two_arg_diff(1, "");
    |
 
 error[E0061]: this function takes 2 arguments but 4 arguments were supplied
-  --> $DIR/extra_arguments.rs:26:3
+  --> $DIR/extra_arguments.rs:32:3
    |
 LL |   two_arg_diff(1, "", 1, "");
    |   ^^^^^^^^^^^^        -  -- unexpected argument of type `&'static str`
@@ -180,7 +180,7 @@ LL +   two_arg_diff(1, "");
    |
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:29:3
+  --> $DIR/extra_arguments.rs:35:3
    |
 LL |   two_arg_same(1, 1,     "");
    |   ^^^^^^^^^^^^     --------
@@ -195,7 +195,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {}
    |    ^^^^^^^^^^^^ -------  -------
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:30:3
+  --> $DIR/extra_arguments.rs:36:3
    |
 LL |   two_arg_diff(1, 1,     "");
    |   ^^^^^^^^^^^^  ---
@@ -210,7 +210,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {}
    |    ^^^^^^^^^^^^ -------  --------
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:31:3
+  --> $DIR/extra_arguments.rs:37:3
    |
 LL |     two_arg_same(
    |     ^^^^^^^^^^^^
@@ -230,7 +230,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {}
    |    ^^^^^^^^^^^^ -------  -------
 
 error[E0061]: this function takes 2 arguments but 3 arguments were supplied
-  --> $DIR/extra_arguments.rs:37:3
+  --> $DIR/extra_arguments.rs:43:3
    |
 LL |     two_arg_diff(
    |     ^^^^^^^^^^^^
@@ -254,8 +254,8 @@ error[E0061]: this function takes 0 arguments but 2 arguments were supplied
 LL |         empty($x, 1);
    |         ^^^^^     - unexpected argument of type `{integer}`
 ...
-LL |   foo!(1);
-   |   -------
+LL |   foo!(1, ~);
+   |   ----------
    |   |    |
    |   |    unexpected argument of type `{integer}`
    |   |    help: remove the extra argument
@@ -268,6 +268,81 @@ LL | fn empty() {}
    |    ^^^^^
    = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
 
-error: aborting due to 16 previous errors
+error[E0061]: this function takes 0 arguments but 2 arguments were supplied
+  --> $DIR/extra_arguments.rs:14:9
+   |
+LL |         empty(1, $y);
+   |         ^^^^^ ----- help: remove the extra argument
+   |               |
+   |               unexpected argument of type `{integer}`
+...
+LL |   foo!(~, 1);
+   |   ----------
+   |   |       |
+   |   |       unexpected argument of type `{integer}`
+   |   in this macro invocation
+   |
+note: function defined here
+  --> $DIR/extra_arguments.rs:1:4
+   |
+LL | fn empty() {}
+   |    ^^^^^
+   = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0061]: this function takes 0 arguments but 2 arguments were supplied
+  --> $DIR/extra_arguments.rs:11:9
+   |
+LL |         empty($x, $y);
+   |         ^^^^^
+...
+LL |   foo!(1, 1);
+   |   ----------
+   |   |    |  |
+   |   |    |  unexpected argument of type `{integer}`
+   |   |    unexpected argument of type `{integer}`
+   |   in this macro invocation
+   |
+note: function defined here
+  --> $DIR/extra_arguments.rs:1:4
+   |
+LL | fn empty() {}
+   |    ^^^^^
+   = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info)
+help: remove the extra arguments
+   |
+LL ~         empty($x, $y;
+LL |     };
+ ...
+LL |   foo!(~, 1);
+LL ~   foo!(, 1);
+   |
+
+error[E0061]: this function takes 1 argument but 2 arguments were supplied
+  --> $DIR/extra_arguments.rs:53:3
+   |
+LL |   one_arg(1, panic!());
+   |   ^^^^^^^    -------- unexpected argument
+   |
+note: function defined here
+  --> $DIR/extra_arguments.rs:2:4
+   |
+LL | fn one_arg(_a: i32) {}
+   |    ^^^^^^^ -------
+
+error[E0061]: this function takes 1 argument but 2 arguments were supplied
+  --> $DIR/extra_arguments.rs:54:3
+   |
+LL |   one_arg(panic!(), 1);
+   |   ^^^^^^^         - - unexpected argument of type `{integer}`
+   |                   |
+   |                   help: remove the extra argument
+   |
+note: function defined here
+  --> $DIR/extra_arguments.rs:2:4
+   |
+LL | fn one_arg(_a: i32) {}
+   |    ^^^^^^^ -------
+
+error: aborting due to 20 previous errors
 
 For more information about this error, try `rustc --explain E0061`.