diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs b/test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs new file mode 100644 index 000000000..63a88fed6 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs @@ -0,0 +1,22 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +#[serde(tag = "tag", content = "content")] +enum Enum { + // Newtype variants does not use the provided path, so it is forbidden here + // Newtype(#[serde(default = "main")] u8), + Tuple( + u8, + #[serde(default = "main")] i8, + ), + Struct { + #[serde(default = "main")] + f1: u8, + f2: u8, + #[serde(default = "main")] + f3: i8, + }, +} + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.stderr new file mode 100644 index 000000000..eefe58500 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.stderr @@ -0,0 +1,35 @@ +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs:11:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +11 | #[serde(default = "main")] i8, + | ^^^^^^ expected `i8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs:14:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `u8` + | `match` arms have incompatible types +... +14 | #[serde(default = "main")] + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_adjacently_tagged.rs:17:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +17 | #[serde(default = "main")] + | ^^^^^^ expected `i8`, found `()` diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs b/test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs new file mode 100644 index 000000000..ae6144d8b --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs @@ -0,0 +1,21 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +enum Enum { + // Newtype variants does not use the provided path, so it is forbidden here + // Newtype(#[serde(default = "main")] u8), + Tuple( + u8, + #[serde(default = "main")] i8, + ), + Struct { + #[serde(default = "main")] + f1: u8, + f2: u8, + #[serde(default = "main")] + f3: i8, + }, +} + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.stderr new file mode 100644 index 000000000..dd6f8b0d6 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_externally_tagged.stderr @@ -0,0 +1,35 @@ +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs:10:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +10 | #[serde(default = "main")] i8, + | ^^^^^^ expected `i8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs:13:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `u8` + | `match` arms have incompatible types +... +13 | #[serde(default = "main")] + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_externally_tagged.rs:16:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +16 | #[serde(default = "main")] + | ^^^^^^ expected `i8`, found `()` diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs b/test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs new file mode 100644 index 000000000..d50264155 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs @@ -0,0 +1,19 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +#[serde(tag = "tag")] +enum Enum { + // Newtype variants does not use the provided path, so it is forbidden here + // Newtype(#[serde(default = "main")] u8), + // Tuple variants does not supported in internally tagged enums + Struct { + #[serde(default = "main")] + f1: u8, + f2: u8, + #[serde(default = "main")] + f3: i8, + }, +} + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.stderr new file mode 100644 index 000000000..752806b64 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_internally_tagged.stderr @@ -0,0 +1,23 @@ +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs:11:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `u8` + | `match` arms have incompatible types +... +11 | #[serde(default = "main")] + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_internally_tagged.rs:14:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +14 | #[serde(default = "main")] + | ^^^^^^ expected `i8`, found `()` diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.rs b/test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.rs new file mode 100644 index 000000000..8fa6c04e9 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.rs @@ -0,0 +1,22 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +#[serde(untagged)] +enum Enum { + // Newtype variants does not use the provided path, so it is forbidden here + // Newtype(#[serde(default = "main")] u8), + Tuple( + u8, + #[serde(default = "main")] i8, + ), + Struct { + #[serde(default = "main")] + f1: u8, + f2: u8, + #[serde(default = "main")] + f3: i8, + }, +} + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.stderr new file mode 100644 index 000000000..9ffa6bb4e --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_enum_untagged.stderr @@ -0,0 +1,35 @@ +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_untagged.rs:11:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +11 | #[serde(default = "main")] i8, + | ^^^^^^ expected `i8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_untagged.rs:14:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `u8` + | `match` arms have incompatible types +... +14 | #[serde(default = "main")] + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_enum_untagged.rs:17:27 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +17 | #[serde(default = "main")] + | ^^^^^^ expected `i8`, found `()` diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_newtype.rs b/test_suite/tests/ui/default-attribute/incorrect_type_newtype.rs new file mode 100644 index 000000000..7db2a3d4b --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_newtype.rs @@ -0,0 +1,8 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +#[serde(default = "main")] +struct Newtype(#[serde(default = "main")] u8); + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_newtype.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_newtype.stderr new file mode 100644 index 000000000..b8910514e --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_newtype.stderr @@ -0,0 +1,37 @@ +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_newtype.rs:5:19 + | +5 | #[serde(default = "main")] + | ^^^^^^ + | | + | expected `Newtype`, found `()` + | expected due to this + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_newtype.rs:6:34 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `u8` + | `match` arms have incompatible types +5 | #[serde(default = "main")] +6 | struct Newtype(#[serde(default = "main")] u8); + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_newtype.rs:5:19 + | +5 | #[serde(default = "main")] + | ^^^^^^ expected `Newtype`, found `()` +6 | struct Newtype(#[serde(default = "main")] u8); + | ------- expected due to this + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_newtype.rs:6:34 + | +4 | #[derive(Deserialize)] + | ----------- expected due to the type of this binding +5 | #[serde(default = "main")] +6 | struct Newtype(#[serde(default = "main")] u8); + | ^^^^^^ expected `u8`, found `()` diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_struct.rs b/test_suite/tests/ui/default-attribute/incorrect_type_struct.rs new file mode 100644 index 000000000..52d5af9aa --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_struct.rs @@ -0,0 +1,14 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +#[serde(default = "main")] +struct Struct { + #[serde(default = "main")] + f1: u8, + f2: u8, + #[serde(default = "main")] + f3: i8, +} + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_struct.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_struct.stderr new file mode 100644 index 000000000..5663c3200 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_struct.stderr @@ -0,0 +1,58 @@ +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_struct.rs:5:19 + | +5 | #[serde(default = "main")] + | ^^^^^^ + | | + | expected `Struct`, found `()` + | expected due to this + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_struct.rs:7:23 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `u8` + | `match` arms have incompatible types +... +7 | #[serde(default = "main")] + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_struct.rs:10:23 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +10 | #[serde(default = "main")] + | ^^^^^^ expected `i8`, found `()` + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_struct.rs:5:19 + | +5 | #[serde(default = "main")] + | ^^^^^^ expected `Struct`, found `()` +6 | struct Struct { + | ------ expected due to this + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_struct.rs:7:23 + | +4 | #[derive(Deserialize)] + | ----------- expected due to the type of this binding +... +7 | #[serde(default = "main")] + | ^^^^^^ expected `u8`, found `()` + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_struct.rs:10:23 + | +4 | #[derive(Deserialize)] + | ----------- expected due to the type of this binding +... +10 | #[serde(default = "main")] + | ^^^^^^ expected `i8`, found `()` diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_tuple.rs b/test_suite/tests/ui/default-attribute/incorrect_type_tuple.rs new file mode 100644 index 000000000..b5f0c5c9e --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_tuple.rs @@ -0,0 +1,11 @@ +//! Ensures that error message points to the path in attribute +use serde_derive::Deserialize; + +#[derive(Deserialize)] +#[serde(default = "main")] +struct Tuple( + u8, + #[serde(default = "main")] i8, +); + +fn main() {} diff --git a/test_suite/tests/ui/default-attribute/incorrect_type_tuple.stderr b/test_suite/tests/ui/default-attribute/incorrect_type_tuple.stderr new file mode 100644 index 000000000..e473e6ff6 --- /dev/null +++ b/test_suite/tests/ui/default-attribute/incorrect_type_tuple.stderr @@ -0,0 +1,37 @@ +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_tuple.rs:5:19 + | +5 | #[serde(default = "main")] + | ^^^^^^ + | | + | expected `Tuple`, found `()` + | expected due to this + +error[E0308]: `match` arms have incompatible types + --> tests/ui/default-attribute/incorrect_type_tuple.rs:8:23 + | +4 | #[derive(Deserialize)] + | ----------- + | | + | this is found to be of type `i8` + | `match` arms have incompatible types +... +8 | #[serde(default = "main")] i8, + | ^^^^^^ expected `i8`, found `()` + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_tuple.rs:5:19 + | +5 | #[serde(default = "main")] + | ^^^^^^ expected `Tuple`, found `()` +6 | struct Tuple( + | ----- expected due to this + +error[E0308]: mismatched types + --> tests/ui/default-attribute/incorrect_type_tuple.rs:8:23 + | +4 | #[derive(Deserialize)] + | ----------- expected due to the type of this binding +... +8 | #[serde(default = "main")] i8, + | ^^^^^^ expected `i8`, found `()` diff --git a/test_suite/tests/ui/with/incorrect_type.rs b/test_suite/tests/ui/with/incorrect_type.rs new file mode 100644 index 000000000..c1502bb45 --- /dev/null +++ b/test_suite/tests/ui/with/incorrect_type.rs @@ -0,0 +1,23 @@ +use serde_derive::{Deserialize, Serialize}; + +mod w { + use serde::{Deserializer, Serializer}; + + pub fn deserialize<'de, D: Deserializer<'de>>(_: D) -> Result<(), D::Error> { + unimplemented!() + } + pub fn serialize(_: S) -> Result { + unimplemented!() + } +} + +#[derive(Serialize, Deserialize)] +struct W(#[serde(with = "w")] u8, u8); + +#[derive(Serialize, Deserialize)] +struct S(#[serde(serialize_with = "w::serialize")] u8, u8); + +#[derive(Serialize, Deserialize)] +struct D(#[serde(deserialize_with = "w::deserialize")] u8, u8); + +fn main() {} diff --git a/test_suite/tests/ui/with/incorrect_type.stderr b/test_suite/tests/ui/with/incorrect_type.stderr new file mode 100644 index 000000000..18cc57f69 --- /dev/null +++ b/test_suite/tests/ui/with/incorrect_type.stderr @@ -0,0 +1,101 @@ +error[E0277]: the trait bound `&u8: Serializer` is not satisfied + --> tests/ui/with/incorrect_type.rs:14:10 + | +14 | #[derive(Serialize, Deserialize)] + | ^^^^^^^^^ the trait `Serializer` is not implemented for `&u8` +15 | struct W(#[serde(with = "w")] u8, u8); + | --- required by a bound introduced by this call + | + = help: the following other types implement trait `Serializer`: + _::_serde::__private::ser::content::ContentSerializer + FlatMapSerializer<'a, M> + &'a mut Formatter<'b> +note: required by a bound in `w::serialize` + --> tests/ui/with/incorrect_type.rs:9:28 + | +9 | pub fn serialize(_: S) -> Result { + | ^^^^^^^^^^ required by this bound in `serialize` + +error[E0061]: this function takes 1 argument but 2 arguments were supplied + --> tests/ui/with/incorrect_type.rs:15:25 + | +14 | #[derive(Serialize, Deserialize)] + | - help: remove the extra argument +15 | struct W(#[serde(with = "w")] u8, u8); + | ^^^ unexpected argument of type `__S` + | +note: function defined here + --> tests/ui/with/incorrect_type.rs:9:12 + | +9 | pub fn serialize(_: S) -> Result { + | ^^^^^^^^^ ---- + +error[E0277]: the trait bound `&u8: Serializer` is not satisfied + --> tests/ui/with/incorrect_type.rs:15:25 + | +15 | struct W(#[serde(with = "w")] u8, u8); + | ^^^ the trait `Serializer` is not implemented for `&u8` + | + = help: the following other types implement trait `Serializer`: + _::_serde::__private::ser::content::ContentSerializer + FlatMapSerializer<'a, M> + &'a mut Formatter<'b> + +error[E0308]: `?` operator has incompatible types + --> tests/ui/with/incorrect_type.rs:15:25 + | +15 | struct W(#[serde(with = "w")] u8, u8); + | ^^^ expected `u8`, found `()` + | + = note: `?` operator cannot convert from `()` to `u8` + +error[E0277]: the trait bound `&u8: Serializer` is not satisfied + --> tests/ui/with/incorrect_type.rs:17:10 + | +17 | #[derive(Serialize, Deserialize)] + | ^^^^^^^^^ the trait `Serializer` is not implemented for `&u8` +18 | struct S(#[serde(serialize_with = "w::serialize")] u8, u8); + | -------------- required by a bound introduced by this call + | + = help: the following other types implement trait `Serializer`: + _::_serde::__private::ser::content::ContentSerializer + FlatMapSerializer<'a, M> + &'a mut Formatter<'b> +note: required by a bound in `w::serialize` + --> tests/ui/with/incorrect_type.rs:9:28 + | +9 | pub fn serialize(_: S) -> Result { + | ^^^^^^^^^^ required by this bound in `serialize` + +error[E0061]: this function takes 1 argument but 2 arguments were supplied + --> tests/ui/with/incorrect_type.rs:18:35 + | +17 | #[derive(Serialize, Deserialize)] + | - help: remove the extra argument +18 | struct S(#[serde(serialize_with = "w::serialize")] u8, u8); + | ^^^^^^^^^^^^^^ unexpected argument of type `__S` + | +note: function defined here + --> tests/ui/with/incorrect_type.rs:9:12 + | +9 | pub fn serialize(_: S) -> Result { + | ^^^^^^^^^ ---- + +error[E0277]: the trait bound `&u8: Serializer` is not satisfied + --> tests/ui/with/incorrect_type.rs:18:35 + | +18 | struct S(#[serde(serialize_with = "w::serialize")] u8, u8); + | ^^^^^^^^^^^^^^ the trait `Serializer` is not implemented for `&u8` + | + = help: the following other types implement trait `Serializer`: + _::_serde::__private::ser::content::ContentSerializer + FlatMapSerializer<'a, M> + &'a mut Formatter<'b> + +error[E0308]: `?` operator has incompatible types + --> tests/ui/with/incorrect_type.rs:21:37 + | +21 | struct D(#[serde(deserialize_with = "w::deserialize")] u8, u8); + | ^^^^^^^^^^^^^^^^ expected `u8`, found `()` + | + = note: `?` operator cannot convert from `()` to `u8`