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| author | varkor <github@varkor.com> | 2019-05-11 18:58:15 +0100 |
|---|---|---|
| committer | varkor <github@varkor.com> | 2019-05-28 21:34:42 +0100 |
| commit | 55dcc20f9a605e19d3c34bfc7f84380f079350fb (patch) | |
| tree | 9b1b6f842fa553652e97e3c4f8e494f13eec6ca2 | |
| parent | 4ad5c62550aa402716f9c845e8fdfc1c89e8a4fa (diff) | |
| download | rust-55dcc20f9a605e19d3c34bfc7f84380f079350fb.tar.gz rust-55dcc20f9a605e19d3c34bfc7f84380f079350fb.zip | |
Add tests for uninferred consts during codegen
4 files changed, 48 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/uninferred-consts-during-codegen-1.rs b/src/test/ui/const-generics/uninferred-consts-during-codegen-1.rs new file mode 100644 index 00000000000..2e555d11aba --- /dev/null +++ b/src/test/ui/const-generics/uninferred-consts-during-codegen-1.rs @@ -0,0 +1,18 @@ +// run-pass + +#![feature(const_generics)] +//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash + +use std::fmt; + +struct Array<T, const N: usize>([T; N]); + +impl<T: fmt::Debug, const N: usize> fmt::Debug for Array<T, {N}> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + f.debug_list().entries(self.0.iter()).finish() + } +} + +fn main() { + println!("{:?}", Array([1, 2, 3])); +} diff --git a/src/test/ui/const-generics/uninferred-consts-during-codegen-1.stderr b/src/test/ui/const-generics/uninferred-consts-during-codegen-1.stderr new file mode 100644 index 00000000000..eb2e446396c --- /dev/null +++ b/src/test/ui/const-generics/uninferred-consts-during-codegen-1.stderr @@ -0,0 +1,6 @@ +warning: the feature `const_generics` is incomplete and may cause the compiler to crash + --> $DIR/uninferred-consts-during-codegen-1.rs:3:12 + | +LL | #![feature(const_generics)] + | ^^^^^^^^^^^^^^ + diff --git a/src/test/ui/const-generics/uninferred-consts-during-codegen-2.rs b/src/test/ui/const-generics/uninferred-consts-during-codegen-2.rs new file mode 100644 index 00000000000..7a1a4f49794 --- /dev/null +++ b/src/test/ui/const-generics/uninferred-consts-during-codegen-2.rs @@ -0,0 +1,18 @@ +// run-pass + +#![feature(const_generics)] +//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash + +use std::fmt; + +struct Array<T>(T); + +impl<T: fmt::Debug, const N: usize> fmt::Debug for Array<[T; N]> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + f.debug_list().entries((&self.0 as &[T]).iter()).finish() + } +} + +fn main() { + println!("{:?}", Array([1, 2, 3])); +} diff --git a/src/test/ui/const-generics/uninferred-consts-during-codegen-2.stderr b/src/test/ui/const-generics/uninferred-consts-during-codegen-2.stderr new file mode 100644 index 00000000000..eaa20bb7892 --- /dev/null +++ b/src/test/ui/const-generics/uninferred-consts-during-codegen-2.stderr @@ -0,0 +1,6 @@ +warning: the feature `const_generics` is incomplete and may cause the compiler to crash + --> $DIR/uninferred-consts-during-codegen-2.rs:3:12 + | +LL | #![feature(const_generics)] + | ^^^^^^^^^^^^^^ + |