diff options
Diffstat (limited to 'tests/ui/const-generics')
4 files changed, 80 insertions, 44 deletions
diff --git a/tests/ui/const-generics/min_const_generics/macro-fail-const.rs b/tests/ui/const-generics/min_const_generics/macro-fail-const.rs new file mode 100644 index 00000000000..619d6de7ad2 --- /dev/null +++ b/tests/ui/const-generics/min_const_generics/macro-fail-const.rs @@ -0,0 +1,23 @@ +trait Marker<const N: usize> {} +struct Example<const N: usize>; +impl<const N: usize> Marker<N> for Example<N> {} + +fn make_marker() -> impl Marker<gimme_a_const!(marker)> { + //~^ ERROR: type provided when a constant was expected + //~| ERROR: type provided when a constant was expected + Example::<gimme_a_const!(marker)> + //~^ ERROR: type provided when a constant was expected +} + +fn main() { + let _ok = Example::<{ + #[macro_export] + macro_rules! gimme_a_const { + ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} + //~^ ERROR expected type + //~| ERROR expected type + } + gimme_a_const!(run) + }>; + let _ok = Example::<{gimme_a_const!(marker)}>; +} diff --git a/tests/ui/const-generics/min_const_generics/macro-fail-const.stderr b/tests/ui/const-generics/min_const_generics/macro-fail-const.stderr new file mode 100644 index 00000000000..2d8cb50834b --- /dev/null +++ b/tests/ui/const-generics/min_const_generics/macro-fail-const.stderr @@ -0,0 +1,51 @@ +error: expected type, found `{` + --> $DIR/macro-fail-const.rs:16:27 + | +LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { + | ---------------------- + | | + | this macro call doesn't expand to a type + | in this macro invocation +... +LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} + | ^ expected type + | + = note: this error originates in the macro `gimme_a_const` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: expected type, found `{` + --> $DIR/macro-fail-const.rs:16:27 + | +LL | Example::<gimme_a_const!(marker)> + | ---------------------- + | | + | this macro call doesn't expand to a type + | in this macro invocation +... +LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} + | ^ expected type + | + = note: this error originates in the macro `gimme_a_const` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0747]: type provided when a constant was expected + --> $DIR/macro-fail-const.rs:5:33 + | +LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { + | ^^^^^^^^^^^^^^^^^^^^^^ + +error[E0747]: type provided when a constant was expected + --> $DIR/macro-fail-const.rs:5:33 + | +LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0747]: type provided when a constant was expected + --> $DIR/macro-fail-const.rs:8:13 + | +LL | Example::<gimme_a_const!(marker)> + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 5 previous errors + +For more information about this error, try `rustc --explain E0747`. diff --git a/tests/ui/const-generics/min_const_generics/macro-fail.rs b/tests/ui/const-generics/min_const_generics/macro-fail.rs index 8cfa5293cc2..ada9400b2a3 100644 --- a/tests/ui/const-generics/min_const_generics/macro-fail.rs +++ b/tests/ui/const-generics/min_const_generics/macro-fail.rs @@ -12,10 +12,7 @@ trait Marker<const N: usize> {} impl<const N: usize> Marker<N> for Example<N> {} fn make_marker() -> impl Marker<gimme_a_const!(marker)> { - //~^ ERROR: type provided when a constant was expected - //~| ERROR: type provided when a constant was expected Example::<gimme_a_const!(marker)> - //~^ ERROR: type provided when a constant was expected } fn from_marker(_: impl Marker<{ @@ -35,9 +32,7 @@ fn main() { }>; let _fail = Example::<external_macro!()>; - //~^ ERROR: type provided when a constant let _fail = Example::<gimme_a_const!()>; - //~^ ERROR unexpected end of macro invocation - //~| ERROR: type provided when a constant was expected + //~^ ERROR: unexpected end of macro invocation } diff --git a/tests/ui/const-generics/min_const_generics/macro-fail.stderr b/tests/ui/const-generics/min_const_generics/macro-fail.stderr index 34764982bb0..b1d766cbfb6 100644 --- a/tests/ui/const-generics/min_const_generics/macro-fail.stderr +++ b/tests/ui/const-generics/min_const_generics/macro-fail.stderr @@ -1,5 +1,5 @@ error: expected type, found `{` - --> $DIR/macro-fail.rs:30:27 + --> $DIR/macro-fail.rs:27:27 | LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { | ---------------------- @@ -13,7 +13,7 @@ LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} = note: this error originates in the macro `gimme_a_const` (in Nightly builds, run with -Z macro-backtrace for more info) error: expected type, found `{` - --> $DIR/macro-fail.rs:30:27 + --> $DIR/macro-fail.rs:27:27 | LL | Example::<gimme_a_const!(marker)> | ---------------------- @@ -41,7 +41,7 @@ LL | let _fail = Example::<external_macro!()>; = note: this error originates in the macro `external_macro` (in Nightly builds, run with -Z macro-backtrace for more info) error: unexpected end of macro invocation - --> $DIR/macro-fail.rs:40:25 + --> $DIR/macro-fail.rs:36:25 | LL | macro_rules! gimme_a_const { | -------------------------- when calling this macro @@ -50,43 +50,10 @@ LL | let _fail = Example::<gimme_a_const!()>; | ^^^^^^^^^^^^^^^^ missing tokens in macro arguments | note: while trying to match meta-variable `$rusty:ident` - --> $DIR/macro-fail.rs:30:8 + --> $DIR/macro-fail.rs:27:8 | LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }} | ^^^^^^^^^^^^^ -error[E0747]: type provided when a constant was expected - --> $DIR/macro-fail.rs:14:33 - | -LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { - | ^^^^^^^^^^^^^^^^^^^^^^ - -error[E0747]: type provided when a constant was expected - --> $DIR/macro-fail.rs:14:33 - | -LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> { - | ^^^^^^^^^^^^^^^^^^^^^^ - | - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error[E0747]: type provided when a constant was expected - --> $DIR/macro-fail.rs:17:13 - | -LL | Example::<gimme_a_const!(marker)> - | ^^^^^^^^^^^^^^^^^^^^^^ - -error[E0747]: type provided when a constant was expected - --> $DIR/macro-fail.rs:37:25 - | -LL | let _fail = Example::<external_macro!()>; - | ^^^^^^^^^^^^^^^^^ - -error[E0747]: type provided when a constant was expected - --> $DIR/macro-fail.rs:40:25 - | -LL | let _fail = Example::<gimme_a_const!()>; - | ^^^^^^^^^^^^^^^^ - -error: aborting due to 9 previous errors +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0747`. |