diff options
Diffstat (limited to 'tests/ui/unused-crate-deps')
28 files changed, 261 insertions, 0 deletions
diff --git a/tests/ui/unused-crate-deps/auxiliary/bar.rs b/tests/ui/unused-crate-deps/auxiliary/bar.rs new file mode 100644 index 000000000..1d3824e7a --- /dev/null +++ b/tests/ui/unused-crate-deps/auxiliary/bar.rs @@ -0,0 +1 @@ +pub const BAR: &str = "bar"; diff --git a/tests/ui/unused-crate-deps/auxiliary/foo.rs b/tests/ui/unused-crate-deps/auxiliary/foo.rs new file mode 100644 index 000000000..0ef03eb9e --- /dev/null +++ b/tests/ui/unused-crate-deps/auxiliary/foo.rs @@ -0,0 +1,5 @@ +// edition:2018 +// aux-crate:bar=bar.rs + +pub const FOO: &str = "foo"; +pub use bar::BAR; diff --git a/tests/ui/unused-crate-deps/deny-attr.rs b/tests/ui/unused-crate-deps/deny-attr.rs new file mode 100644 index 000000000..e9ab18ff6 --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-attr.rs @@ -0,0 +1,9 @@ +// Check for unused crate dep, no path + +// edition:2018 +// aux-crate:bar=bar.rs + +#![deny(unused_crate_dependencies)] +//~^ ERROR external crate `bar` unused in + +fn main() {} diff --git a/tests/ui/unused-crate-deps/deny-attr.stderr b/tests/ui/unused-crate-deps/deny-attr.stderr new file mode 100644 index 000000000..93694f682 --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-attr.stderr @@ -0,0 +1,14 @@ +error: external crate `bar` unused in `deny_attr`: remove the dependency or add `use bar as _;` + --> $DIR/deny-attr.rs:6:1 + | +LL | #![deny(unused_crate_dependencies)] + | ^ + | +note: the lint level is defined here + --> $DIR/deny-attr.rs:6:9 + | +LL | #![deny(unused_crate_dependencies)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/unused-crate-deps/deny-cmdline-json-silent.rs b/tests/ui/unused-crate-deps/deny-cmdline-json-silent.rs new file mode 100644 index 000000000..fd9a61d6c --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-cmdline-json-silent.rs @@ -0,0 +1,8 @@ +// Check for unused crate dep, json event, deny but we're not reporting that in exit status + +// edition:2018 +// check-pass +// compile-flags: -Dunused-crate-dependencies -Zunstable-options --json unused-externs-silent --error-format=json +// aux-crate:bar=bar.rs + +fn main() {} diff --git a/tests/ui/unused-crate-deps/deny-cmdline-json-silent.stderr b/tests/ui/unused-crate-deps/deny-cmdline-json-silent.stderr new file mode 100644 index 000000000..595619f3a --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-cmdline-json-silent.stderr @@ -0,0 +1 @@ +{"lint_level":"deny","unused_extern_names":["bar"]} diff --git a/tests/ui/unused-crate-deps/deny-cmdline-json.rs b/tests/ui/unused-crate-deps/deny-cmdline-json.rs new file mode 100644 index 000000000..2b369dee5 --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-cmdline-json.rs @@ -0,0 +1,7 @@ +// Check for unused crate dep, json event, deny, expect compile failure + +// edition:2018 +// compile-flags: -Dunused-crate-dependencies -Zunstable-options --json unused-externs --error-format=json +// aux-crate:bar=bar.rs + +fn main() {} diff --git a/tests/ui/unused-crate-deps/deny-cmdline-json.stderr b/tests/ui/unused-crate-deps/deny-cmdline-json.stderr new file mode 100644 index 000000000..595619f3a --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-cmdline-json.stderr @@ -0,0 +1 @@ +{"lint_level":"deny","unused_extern_names":["bar"]} diff --git a/tests/ui/unused-crate-deps/deny-cmdline.rs b/tests/ui/unused-crate-deps/deny-cmdline.rs new file mode 100644 index 000000000..69e28b331 --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-cmdline.rs @@ -0,0 +1,8 @@ +// Check for unused crate dep, deny, expect failure + +// edition:2018 +// compile-flags: -Dunused-crate-dependencies +// aux-crate:bar=bar.rs + +fn main() {} +//~^ ERROR external crate `bar` unused in diff --git a/tests/ui/unused-crate-deps/deny-cmdline.stderr b/tests/ui/unused-crate-deps/deny-cmdline.stderr new file mode 100644 index 000000000..0951dc670 --- /dev/null +++ b/tests/ui/unused-crate-deps/deny-cmdline.stderr @@ -0,0 +1,10 @@ +error: external crate `bar` unused in `deny_cmdline`: remove the dependency or add `use bar as _;` + --> $DIR/deny-cmdline.rs:7:1 + | +LL | fn main() {} + | ^ + | + = note: requested on the command line with `-D unused-crate-dependencies` + +error: aborting due to previous error + diff --git a/tests/ui/unused-crate-deps/ignore-pathless-extern.rs b/tests/ui/unused-crate-deps/ignore-pathless-extern.rs new file mode 100644 index 000000000..8c273cb53 --- /dev/null +++ b/tests/ui/unused-crate-deps/ignore-pathless-extern.rs @@ -0,0 +1,12 @@ +// Pathless --extern references don't count + +// edition:2018 +// check-pass +// aux-crate:bar=bar.rs +// compile-flags:--extern proc_macro + +#![warn(unused_crate_dependencies)] + +use bar as _; + +fn main() {} diff --git a/tests/ui/unused-crate-deps/libfib.rs b/tests/ui/unused-crate-deps/libfib.rs new file mode 100644 index 000000000..c1545dca9 --- /dev/null +++ b/tests/ui/unused-crate-deps/libfib.rs @@ -0,0 +1,21 @@ +// Test warnings for a library crate + +// check-pass +// aux-crate:bar=bar.rs +// compile-flags:--crate-type lib -Wunused-crate-dependencies + +pub fn fib(n: u32) -> Vec<u32> { +//~^ WARNING external crate `bar` unused in +let mut prev = 0; + let mut cur = 1; + let mut v = vec![]; + + for _ in 0..n { + v.push(prev); + let n = prev + cur; + prev = cur; + cur = n; + } + + v +} diff --git a/tests/ui/unused-crate-deps/libfib.stderr b/tests/ui/unused-crate-deps/libfib.stderr new file mode 100644 index 000000000..15833126b --- /dev/null +++ b/tests/ui/unused-crate-deps/libfib.stderr @@ -0,0 +1,10 @@ +warning: external crate `bar` unused in `libfib`: remove the dependency or add `use bar as _;` + --> $DIR/libfib.rs:7:1 + | +LL | pub fn fib(n: u32) -> Vec<u32> { + | ^ + | + = note: requested on the command line with `-W unused-crate-dependencies` + +warning: 1 warning emitted + diff --git a/tests/ui/unused-crate-deps/lint-group.rs b/tests/ui/unused-crate-deps/lint-group.rs new file mode 100644 index 000000000..e21ffb5de --- /dev/null +++ b/tests/ui/unused-crate-deps/lint-group.rs @@ -0,0 +1,9 @@ +// `unused_crate_dependencies` is not currently in the `unused` group +// due to false positives from Cargo. + +// check-pass +// aux-crate:bar=bar.rs + +#![deny(unused)] + +fn main() {} diff --git a/tests/ui/unused-crate-deps/suppress.rs b/tests/ui/unused-crate-deps/suppress.rs new file mode 100644 index 000000000..8904d04bc --- /dev/null +++ b/tests/ui/unused-crate-deps/suppress.rs @@ -0,0 +1,11 @@ +// Suppress by using crate + +// edition:2018 +// check-pass +// aux-crate:bar=bar.rs + +#![warn(unused_crate_dependencies)] + +use bar as _; + +fn main() {} diff --git a/tests/ui/unused-crate-deps/test-use-ok.rs b/tests/ui/unused-crate-deps/test-use-ok.rs new file mode 100644 index 000000000..66d6440c9 --- /dev/null +++ b/tests/ui/unused-crate-deps/test-use-ok.rs @@ -0,0 +1,15 @@ +// Test-only use OK + +// edition:2018 +// check-pass +// aux-crate:bar=bar.rs +// compile-flags:--test + +#![deny(unused_crate_dependencies)] + +fn main() {} + +#[test] +fn test_bar() { + assert_eq!(bar::BAR, "bar"); +} diff --git a/tests/ui/unused-crate-deps/test.mk b/tests/ui/unused-crate-deps/test.mk new file mode 100644 index 000000000..0b98b4e44 --- /dev/null +++ b/tests/ui/unused-crate-deps/test.mk @@ -0,0 +1,7 @@ +# Everyone uses make for building Rust + +foo: bar.rlib + $(RUSTC) --crate-type bin --extern bar=bar.rlib + +%.rlib: %.rs + $(RUSTC) --crate-type lib $< diff --git a/tests/ui/unused-crate-deps/unused-aliases.rs b/tests/ui/unused-crate-deps/unused-aliases.rs new file mode 100644 index 000000000..1b7cb9b97 --- /dev/null +++ b/tests/ui/unused-crate-deps/unused-aliases.rs @@ -0,0 +1,13 @@ +// Warn about unused aliased for the crate + +// edition:2018 +// check-pass +// aux-crate:bar=bar.rs +// aux-crate:barbar=bar.rs + +#![warn(unused_crate_dependencies)] +//~^ WARNING external crate `barbar` unused in + +use bar as _; + +fn main() {} diff --git a/tests/ui/unused-crate-deps/unused-aliases.stderr b/tests/ui/unused-crate-deps/unused-aliases.stderr new file mode 100644 index 000000000..c8c6c4507 --- /dev/null +++ b/tests/ui/unused-crate-deps/unused-aliases.stderr @@ -0,0 +1,14 @@ +warning: external crate `barbar` unused in `unused_aliases`: remove the dependency or add `use barbar as _;` + --> $DIR/unused-aliases.rs:8:1 + | +LL | #![warn(unused_crate_dependencies)] + | ^ + | +note: the lint level is defined here + --> $DIR/unused-aliases.rs:8:9 + | +LL | #![warn(unused_crate_dependencies)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 1 warning emitted + diff --git a/tests/ui/unused-crate-deps/use_extern_crate_2015.rs b/tests/ui/unused-crate-deps/use_extern_crate_2015.rs new file mode 100644 index 000000000..f15c87fa0 --- /dev/null +++ b/tests/ui/unused-crate-deps/use_extern_crate_2015.rs @@ -0,0 +1,13 @@ +// Suppress by using crate + +// edition:2015 +// check-pass +// aux-crate:bar=bar.rs + +#![warn(unused_crate_dependencies)] + +extern crate bar; + +fn main() { + println!("bar {}", bar::BAR); +} diff --git a/tests/ui/unused-crate-deps/warn-attr.rs b/tests/ui/unused-crate-deps/warn-attr.rs new file mode 100644 index 000000000..1acb307ab --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-attr.rs @@ -0,0 +1,10 @@ +// Check for unused crate dep, no path + +// edition:2018 +// check-pass +// aux-crate:bar=bar.rs + +#![warn(unused_crate_dependencies)] +//~^ WARNING external crate `bar` unused in + +fn main() {} diff --git a/tests/ui/unused-crate-deps/warn-attr.stderr b/tests/ui/unused-crate-deps/warn-attr.stderr new file mode 100644 index 000000000..0d3831570 --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-attr.stderr @@ -0,0 +1,14 @@ +warning: external crate `bar` unused in `warn_attr`: remove the dependency or add `use bar as _;` + --> $DIR/warn-attr.rs:7:1 + | +LL | #![warn(unused_crate_dependencies)] + | ^ + | +note: the lint level is defined here + --> $DIR/warn-attr.rs:7:9 + | +LL | #![warn(unused_crate_dependencies)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 1 warning emitted + diff --git a/tests/ui/unused-crate-deps/warn-cmdline-json.rs b/tests/ui/unused-crate-deps/warn-cmdline-json.rs new file mode 100644 index 000000000..4826c0062 --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-cmdline-json.rs @@ -0,0 +1,8 @@ +// Check for unused crate dep, warn, json event, expect pass + +// edition:2018 +// check-pass +// compile-flags: -Wunused-crate-dependencies -Zunstable-options --json unused-externs --error-format=json +// aux-crate:bar=bar.rs + +fn main() {} diff --git a/tests/ui/unused-crate-deps/warn-cmdline-json.stderr b/tests/ui/unused-crate-deps/warn-cmdline-json.stderr new file mode 100644 index 000000000..98dbd7639 --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-cmdline-json.stderr @@ -0,0 +1 @@ +{"lint_level":"warn","unused_extern_names":["bar"]} diff --git a/tests/ui/unused-crate-deps/warn-cmdline-static.rs b/tests/ui/unused-crate-deps/warn-cmdline-static.rs new file mode 100644 index 000000000..c609529a6 --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-cmdline-static.rs @@ -0,0 +1,10 @@ +// Check for unused crate dep, no path + +// edition:2018 +// check-pass +// compile-flags: -Wunused-crate-dependencies +// aux-crate:bar=bar.rs +// no-prefer-dynamic + +fn main() {} +//~^ WARNING external crate `bar` unused in diff --git a/tests/ui/unused-crate-deps/warn-cmdline-static.stderr b/tests/ui/unused-crate-deps/warn-cmdline-static.stderr new file mode 100644 index 000000000..65956461d --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-cmdline-static.stderr @@ -0,0 +1,10 @@ +warning: external crate `bar` unused in `warn_cmdline_static`: remove the dependency or add `use bar as _;` + --> $DIR/warn-cmdline-static.rs:9:1 + | +LL | fn main() {} + | ^ + | + = note: requested on the command line with `-W unused-crate-dependencies` + +warning: 1 warning emitted + diff --git a/tests/ui/unused-crate-deps/warn-cmdline.rs b/tests/ui/unused-crate-deps/warn-cmdline.rs new file mode 100644 index 000000000..3bae61c3e --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-cmdline.rs @@ -0,0 +1,9 @@ +// Check for unused crate dep, no path + +// edition:2018 +// check-pass +// compile-flags: -Wunused-crate-dependencies +// aux-crate:bar=bar.rs + +fn main() {} +//~^ WARNING external crate `bar` unused in diff --git a/tests/ui/unused-crate-deps/warn-cmdline.stderr b/tests/ui/unused-crate-deps/warn-cmdline.stderr new file mode 100644 index 000000000..ea675ba9a --- /dev/null +++ b/tests/ui/unused-crate-deps/warn-cmdline.stderr @@ -0,0 +1,10 @@ +warning: external crate `bar` unused in `warn_cmdline`: remove the dependency or add `use bar as _;` + --> $DIR/warn-cmdline.rs:8:1 + | +LL | fn main() {} + | ^ + | + = note: requested on the command line with `-W unused-crate-dependencies` + +warning: 1 warning emitted + |