Move /src/test to /tests

20 files changed, 168 insertions, 0 deletions

diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-expr.rs b/tests/ui/keyword/extern/keyword-extern-as-identifier-expr.rs
new file mode 100644
index 00000000000..b738eb4c703
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-expr.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let s = extern::foo::Bar; //~ ERROR expected expression, found keyword `extern`
+}
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-expr.stderr b/tests/ui/keyword/extern/keyword-extern-as-identifier-expr.stderr
new file mode 100644
index 00000000000..8bb89d2ee21
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-expr.stderr
@@ -0,0 +1,8 @@
+error: expected expression, found keyword `extern`
+  --> $DIR/keyword-extern-as-identifier-expr.rs:2:13
+   |
+LL |     let s = extern::foo::Bar;
+   |             ^^^^^^ expected expression
+
+error: aborting due to previous error
+
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-pat.rs b/tests/ui/keyword/extern/keyword-extern-as-identifier-pat.rs
new file mode 100644
index 00000000000..8a420f7203c
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-pat.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let extern = 0; //~ ERROR expected identifier, found keyword `extern`
+}
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-pat.stderr b/tests/ui/keyword/extern/keyword-extern-as-identifier-pat.stderr
new file mode 100644
index 00000000000..9bf416341e8
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-pat.stderr
@@ -0,0 +1,13 @@
+error: expected identifier, found keyword `extern`
+  --> $DIR/keyword-extern-as-identifier-pat.rs:2:9
+   |
+LL |     let extern = 0;
+   |         ^^^^^^ expected identifier, found keyword
+   |
+help: escape `extern` to use it as an identifier
+   |
+LL |     let r#extern = 0;
+   |         ++
+
+error: aborting due to previous error
+
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-type.rs b/tests/ui/keyword/extern/keyword-extern-as-identifier-type.rs
new file mode 100644
index 00000000000..12aa059766b
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-type.rs
@@ -0,0 +1,3 @@
+type A = extern::foo::bar; //~ ERROR expected type, found keyword `extern`
+
+fn main() {}
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-type.stderr b/tests/ui/keyword/extern/keyword-extern-as-identifier-type.stderr
new file mode 100644
index 00000000000..20ecf6bac76
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-type.stderr
@@ -0,0 +1,8 @@
+error: expected type, found keyword `extern`
+  --> $DIR/keyword-extern-as-identifier-type.rs:1:10
+   |
+LL | type A = extern::foo::bar;
+   |          ^^^^^^ expected type
+
+error: aborting due to previous error
+
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-use.rs b/tests/ui/keyword/extern/keyword-extern-as-identifier-use.rs
new file mode 100644
index 00000000000..a46ce67d40d
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-use.rs
@@ -0,0 +1,4 @@
+use extern::foo; //~ ERROR expected identifier, found keyword `extern`
+                 //~| ERROR unresolved import `r#extern`
+
+fn main() {}
diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr b/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr
new file mode 100644
index 00000000000..54ee45c2867
--- /dev/null
+++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr
@@ -0,0 +1,22 @@
+error: expected identifier, found keyword `extern`
+  --> $DIR/keyword-extern-as-identifier-use.rs:1:5
+   |
+LL | use extern::foo;
+   |     ^^^^^^ expected identifier, found keyword
+   |
+help: escape `extern` to use it as an identifier
+   |
+LL | use r#extern::foo;
+   |     ++
+
+error[E0432]: unresolved import `r#extern`
+  --> $DIR/keyword-extern-as-identifier-use.rs:1:5
+   |
+LL | use extern::foo;
+   |     ^^^^^^ maybe a missing crate `r#extern`?
+   |
+   = help: consider adding `extern crate r#extern` to use the `r#extern` crate
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0432`.
diff --git a/tests/ui/keyword/keyword-false-as-identifier.rs b/tests/ui/keyword/keyword-false-as-identifier.rs
new file mode 100644
index 00000000000..6382f841b04
--- /dev/null
+++ b/tests/ui/keyword/keyword-false-as-identifier.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let false = 22; //~ error: mismatched types
+}
diff --git a/tests/ui/keyword/keyword-false-as-identifier.stderr b/tests/ui/keyword/keyword-false-as-identifier.stderr
new file mode 100644
index 00000000000..6dcfa3a4811
--- /dev/null
+++ b/tests/ui/keyword/keyword-false-as-identifier.stderr
@@ -0,0 +1,11 @@
+error[E0308]: mismatched types
+  --> $DIR/keyword-false-as-identifier.rs:2:9
+   |
+LL |     let false = 22;
+   |         ^^^^^   -- this expression has type `{integer}`
+   |         |
+   |         expected integer, found `bool`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/keyword/keyword-self-as-identifier.rs b/tests/ui/keyword/keyword-self-as-identifier.rs
new file mode 100644
index 00000000000..72e4f01e21e
--- /dev/null
+++ b/tests/ui/keyword/keyword-self-as-identifier.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let Self = 22; //~ ERROR cannot find unit struct, unit variant or constant `Self` in this scope
+}
diff --git a/tests/ui/keyword/keyword-self-as-identifier.stderr b/tests/ui/keyword/keyword-self-as-identifier.stderr
new file mode 100644
index 00000000000..060e7c3eafc
--- /dev/null
+++ b/tests/ui/keyword/keyword-self-as-identifier.stderr
@@ -0,0 +1,9 @@
+error[E0531]: cannot find unit struct, unit variant or constant `Self` in this scope
+  --> $DIR/keyword-self-as-identifier.rs:2:9
+   |
+LL |     let Self = 22;
+   |         ^^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0531`.
diff --git a/tests/ui/keyword/keyword-self-as-type-param.rs b/tests/ui/keyword/keyword-self-as-type-param.rs
new file mode 100644
index 00000000000..55c7ac128ff
--- /dev/null
+++ b/tests/ui/keyword/keyword-self-as-type-param.rs
@@ -0,0 +1,10 @@
+// Regression test of #36638.
+
+struct Foo<Self>(Self);
+//~^ ERROR unexpected keyword `Self` in generic parameters
+//~| ERROR recursive type `Foo` has infinite size
+
+trait Bar<Self> {}
+//~^ ERROR unexpected keyword `Self` in generic parameters
+
+fn main() {}
diff --git a/tests/ui/keyword/keyword-self-as-type-param.stderr b/tests/ui/keyword/keyword-self-as-type-param.stderr
new file mode 100644
index 00000000000..5aef9475486
--- /dev/null
+++ b/tests/ui/keyword/keyword-self-as-type-param.stderr
@@ -0,0 +1,30 @@
+error: unexpected keyword `Self` in generic parameters
+  --> $DIR/keyword-self-as-type-param.rs:3:12
+   |
+LL | struct Foo<Self>(Self);
+   |            ^^^^
+   |
+   = note: you cannot use `Self` as a generic parameter because it is reserved for associated items
+
+error: unexpected keyword `Self` in generic parameters
+  --> $DIR/keyword-self-as-type-param.rs:7:11
+   |
+LL | trait Bar<Self> {}
+   |           ^^^^
+   |
+   = note: you cannot use `Self` as a generic parameter because it is reserved for associated items
+
+error[E0072]: recursive type `Foo` has infinite size
+  --> $DIR/keyword-self-as-type-param.rs:3:1
+   |
+LL | struct Foo<Self>(Self);
+   | ^^^^^^^^^^^^^^^^ ---- recursive without indirection
+   |
+help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
+   |
+LL | struct Foo<Self>(Box<Self>);
+   |                  ++++    +
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0072`.
diff --git a/tests/ui/keyword/keyword-super-as-identifier.rs b/tests/ui/keyword/keyword-super-as-identifier.rs
new file mode 100644
index 00000000000..02c1b27b08a
--- /dev/null
+++ b/tests/ui/keyword/keyword-super-as-identifier.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let super = 22; //~ ERROR failed to resolve: there are too many leading `super` keywords
+}
diff --git a/tests/ui/keyword/keyword-super-as-identifier.stderr b/tests/ui/keyword/keyword-super-as-identifier.stderr
new file mode 100644
index 00000000000..1f64f3b73d6
--- /dev/null
+++ b/tests/ui/keyword/keyword-super-as-identifier.stderr
@@ -0,0 +1,9 @@
+error[E0433]: failed to resolve: there are too many leading `super` keywords
+  --> $DIR/keyword-super-as-identifier.rs:2:9
+   |
+LL |     let super = 22;
+   |         ^^^^^ there are too many leading `super` keywords
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0433`.
diff --git a/tests/ui/keyword/keyword-super.rs b/tests/ui/keyword/keyword-super.rs
new file mode 100644
index 00000000000..c121a6c1050
--- /dev/null
+++ b/tests/ui/keyword/keyword-super.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let super: isize; //~ ERROR failed to resolve: there are too many leading `super` keywords
+}
diff --git a/tests/ui/keyword/keyword-super.stderr b/tests/ui/keyword/keyword-super.stderr
new file mode 100644
index 00000000000..0e0d67cb97b
--- /dev/null
+++ b/tests/ui/keyword/keyword-super.stderr
@@ -0,0 +1,9 @@
+error[E0433]: failed to resolve: there are too many leading `super` keywords
+  --> $DIR/keyword-super.rs:2:9
+   |
+LL |     let super: isize;
+   |         ^^^^^ there are too many leading `super` keywords
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0433`.
diff --git a/tests/ui/keyword/keyword-true-as-identifier.rs b/tests/ui/keyword/keyword-true-as-identifier.rs
new file mode 100644
index 00000000000..8c4ad7e2a66
--- /dev/null
+++ b/tests/ui/keyword/keyword-true-as-identifier.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let true = 22; //~ error: mismatched types
+}
diff --git a/tests/ui/keyword/keyword-true-as-identifier.stderr b/tests/ui/keyword/keyword-true-as-identifier.stderr
new file mode 100644
index 00000000000..86f6e00064f
--- /dev/null
+++ b/tests/ui/keyword/keyword-true-as-identifier.stderr
@@ -0,0 +1,11 @@
+error[E0308]: mismatched types
+  --> $DIR/keyword-true-as-identifier.rs:2:9
+   |
+LL |     let true = 22;
+   |         ^^^^   -- this expression has type `{integer}`
+   |         |
+   |         expected integer, found `bool`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.