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-rw-r--r--src/test/ui/methods/method-call-err-msg.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/methods/method-call-err-msg.rs b/src/test/ui/methods/method-call-err-msg.rs
new file mode 100644
index 000000000..d53ef445a
--- /dev/null
+++ b/src/test/ui/methods/method-call-err-msg.rs
@@ -0,0 +1,22 @@
+// Test that parameter cardinality or missing method error gets span exactly.
+
+pub struct Foo;
+impl Foo {
+ fn zero(self) -> Foo { self }
+ fn one(self, _: isize) -> Foo { self }
+ fn two(self, _: isize, _: isize) -> Foo { self }
+ fn three<T>(self, _: T, _: T, _: T) -> Foo { self }
+}
+
+fn main() {
+ let x = Foo;
+ x.zero(0) //~ ERROR this function takes 0 arguments but 1 argument was supplied
+ .one() //~ ERROR this function takes 1 argument but 0 arguments were supplied
+ .two(0); //~ ERROR this function takes 2 arguments but 1 argument was supplied
+
+ let y = Foo;
+ y.zero()
+ .take() //~ ERROR not an iterator
+ .one(0);
+ y.three::<usize>(); //~ ERROR this function takes 3 arguments but 0 arguments were supplied
+}