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https://github.com/dtolnay/thiserror.git
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Ui tests with compile_error resolved at call site
This commit is contained in:
David Tolnay
parent
6735d4b033
commit
b534dafe3b
18 changed files with 88 additions and 1 deletions
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@ -1,5 +1,10 @@
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error: #[error(transparent)] needs to go outside the enum or struct, not on an individual field
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--> tests/ui/bad-field-attr.rs:5:18
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[error(transparent)]
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5 | pub struct Error(#[error(transparent)] std::io::Error);
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -7,4 +7,4 @@ error: expected string literal
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13 | error_type!(Error, "foo");
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| ------------------------- in this macro invocation
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= note: this error originates in the macro `error_type` (in Nightly builds, run with -Z macro-backtrace for more info)
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= note: this error originates in the derive macro `Error` which comes from the expansion of the macro `error_type` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,5 +1,10 @@
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error: duplicate #[source] attribute
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--> tests/ui/duplicate-enum-source.rs:8:9
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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...
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8 | #[source]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,5 +1,10 @@
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error: only one #[error(...)] attribute is allowed
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--> tests/ui/duplicate-fmt.rs:5:1
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[error("...")]
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5 | #[error("...")]
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| ^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,5 +1,10 @@
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error: duplicate #[source] attribute
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--> tests/ui/duplicate-struct-source.rs:7:5
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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...
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7 | #[source]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,5 +1,10 @@
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error: duplicate #[error(transparent)] attribute
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--> tests/ui/duplicate-transparent.rs:5:1
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[error(transparent)]
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5 | #[error(transparent)]
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,5 +1,10 @@
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error: deriving From requires no fields other than source and backtrace
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--> tests/ui/from-backtrace-backtrace.rs:8:18
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6 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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7 | #[error("...")]
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8 | pub struct Error(#[from] #[backtrace] std::io::Error, Backtrace);
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| ^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,5 +1,10 @@
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error: #[from] is only supported on the source field, not any other field
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--> tests/ui/from-not-source.rs:7:5
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3 | #[derive(Debug, Error)]
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| ----- in this derive macro expansion
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...
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7 | #[from]
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| ^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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@ -1,11 +1,21 @@
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error: non-static lifetimes are not allowed in the source of an error, because std::error::Error requires the source is dyn Error + 'static
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--> tests/ui/lifetime.rs:6:26
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4 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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5 | #[error("error")]
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6 | struct Error<'a>(#[from] Inner<'a>);
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: non-static lifetimes are not allowed in the source of an error, because std::error::Error requires the source is dyn Error + 'static
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--> tests/ui/lifetime.rs:15:17
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12 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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...
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15 | Foo(#[from] Generic<&'a str>),
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| ^^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: missing #[error("...")] display attribute
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--> tests/ui/missing-fmt.rs:7:5
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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...
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7 | B(usize),
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| ^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: cannot have both #[error(transparent)] and a display attribute
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--> tests/ui/transparent-display.rs:5:1
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[error(transparent)]
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5 | #[error("...")]
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| ^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: #[error(transparent)] requires exactly one field
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--> tests/ui/transparent-enum-many.rs:5:5
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | pub enum Error {
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5 | / #[error(transparent)]
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6 | | Other(anyhow::Error, String),
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| |________________________________^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: transparent variant can't contain #[source]
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--> tests/ui/transparent-enum-source.rs:6:11
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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...
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6 | Other(#[source] anyhow::Error),
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: #[error(transparent)] requires exactly one field
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--> tests/ui/transparent-struct-many.rs:4:1
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[error(transparent)]
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: transparent error struct can't contain #[source]
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--> tests/ui/transparent-struct-source.rs:5:18
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[error(transparent)]
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5 | pub struct Error(#[source] anyhow::Error);
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: not expected here; the #[error(...)] attribute belongs on top of a struct or an enum variant
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--> tests/ui/unexpected-field-fmt.rs:6:9
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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...
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6 | #[error("...")]
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| ^^^^^^^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: not expected here; the #[source] attribute belongs on a specific field
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--> tests/ui/unexpected-struct-source.rs:4:1
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3 | #[derive(Error, Debug)]
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| ----- in this derive macro expansion
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4 | #[source]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: union as errors are not supported
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--> tests/ui/union.rs:4:1
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3 | #[derive(Error)]
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| ----- in this derive macro expansion
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4 | / pub union U {
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5 | | msg: &'static str,
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6 | | num: usize,
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7 | | }
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| |_^
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= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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