diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:21 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:21 +0000 |
commit | 4e8199b572f2035b7749cba276ece3a26630d23e (patch) | |
tree | f09feeed6a0fe39d027b1908aa63ea6b35e4b631 /src/test/ui/enum-discriminant | |
parent | Adding upstream version 1.66.0+dfsg1. (diff) | |
download | rustc-4e8199b572f2035b7749cba276ece3a26630d23e.tar.xz rustc-4e8199b572f2035b7749cba276ece3a26630d23e.zip |
Adding upstream version 1.67.1+dfsg1.upstream/1.67.1+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/enum-discriminant')
-rw-r--r-- | src/test/ui/enum-discriminant/get_discr.rs | 114 | ||||
-rw-r--r-- | src/test/ui/enum-discriminant/issue-104519.rs | 36 | ||||
-rw-r--r-- | src/test/ui/enum-discriminant/issue-46519.rs | 30 |
3 files changed, 180 insertions, 0 deletions
diff --git a/src/test/ui/enum-discriminant/get_discr.rs b/src/test/ui/enum-discriminant/get_discr.rs new file mode 100644 index 000000000..71eea4e0f --- /dev/null +++ b/src/test/ui/enum-discriminant/get_discr.rs @@ -0,0 +1,114 @@ +// run-pass + +// Now that there are several variations on the code generated in +// `codegen_get_discr`, let's make sure the various cases yield the correct +// result. + +// To get the discriminant of an E<X1> value, there are no shortcuts - we must +// do the full algorithm. +#[repr(u8)] +pub enum X1 { + _1 = 1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, + _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, + _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, + _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, + _65, _66, _67, _68, _69, _70, _71, _72, _73, _74, _75, _76, _77, _78, _79, _80, + _81, _82, _83, _84, _85, _86, _87, _88, _89, _90, _91, _92, _93, _94, _95, _96, + _97, _98, _99, _100, _101, _102, _103, _104, _105, _106, _107, _108, _109, _110, _111, _112, + _113, _114, _115, _116, _117, _118, _119, _120, _121, _122, _123, _124, _125, _126, _127, _128, + _129, _130, _131, _132, _133, _134, _135, _136, _137, _138, _139, _140, _141, _142, _143, _144, + _145, _146, _147, _148, _149, _150, _151, _152, _153, _154, _155, _156, _157, _158, _159, _160, + _161, _162, _163, _164, _165, _166, _167, _168, _169, _170, _171, _172, _173, _174, _175, _176, + _177, _178, _179, _180, _181, _182, _183, _184, _185, _186, _187, _188, _189, _190, _191, _192, + _193, _194, _195, _196, _197, _198, _199, _200, _201, _202, _203, _204, _205, _206, _207, _208, + _209, _210, _211, _212, _213, _214, _215, _216, _217, _218, _219, _220, _221, _222, _223, _224, + _225, _226, _227, _228, _229, _230, _231, _232, _233, _234, _235, _236, _237, _238, _239, _240, + _241, _242, _243, _244, _245, _246, _247, _248, _249, _250, _251, _252, _253, _254, +} + +#[repr(i8)] +pub enum X2 { + _1 = -1, _2 = 0, _3 = 1, +} + +#[repr(i8)] +pub enum X3 { + _1 = -128, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, + _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, + _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, + _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, + _65, _66, _67, _68, _69, _70, _71, _72, _73, _74, _75, _76, _77, _78, _79, _80, + _81, _82, _83, _84, _85, _86, _87, _88, _89, _90, _91, _92, _93, _94, _95, _96, + _97, _98, _99, _100, _101, _102, _103, _104, _105, _106, _107, _108, _109, _110, _111, _112, + _113, _114, _115, _116, _117, _118, _119, _120, _121, _122, _123, _124, _125, _126, _127, _128, + _129, _130, _131, _132, _133, _134, _135, _136, _137, _138, _139, _140, _141, _142, _143, _144, + _145, _146, _147, _148, _149, _150, _151, _152, _153, _154, _155, _156, _157, _158, _159, _160, + _161, _162, _163, _164, _165, _166, _167, _168, _169, _170, _171, _172, _173, _174, _175, _176, + _177, _178, _179, _180, _181, _182, _183, _184, _185, _186, _187, _188, _189, _190, _191, _192, + _193, _194, _195, _196, _197, _198, _199, _200, _201, _202, _203, _204, _205, _206, _207, _208, + _209, _210, _211, _212, _213, _214, _215, _216, _217, _218, _219, _220, _221, _222, _223, _224, + _225, _226, _227, _228, _229, _230, _231, _232, _233, _234, _235, _236, _237, _238, _239, _240, + _241, _242, _243, _244, _245, _246, _247, _248, _249, _250, _251, _252, _253, _254, +} + +#[repr(i8)] +pub enum X4 { + _1 = -126, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, + _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, + _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, + _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, + _65, _66, _67, _68, _69, _70, _71, _72, _73, _74, _75, _76, _77, _78, _79, _80, + _81, _82, _83, _84, _85, _86, _87, _88, _89, _90, _91, _92, _93, _94, _95, _96, + _97, _98, _99, _100, _101, _102, _103, _104, _105, _106, _107, _108, _109, _110, _111, _112, + _113, _114, _115, _116, _117, _118, _119, _120, _121, _122, _123, _124, _125, _126, _127, _128, + _129, _130, _131, _132, _133, _134, _135, _136, _137, _138, _139, _140, _141, _142, _143, _144, + _145, _146, _147, _148, _149, _150, _151, _152, _153, _154, _155, _156, _157, _158, _159, _160, + _161, _162, _163, _164, _165, _166, _167, _168, _169, _170, _171, _172, _173, _174, _175, _176, + _177, _178, _179, _180, _181, _182, _183, _184, _185, _186, _187, _188, _189, _190, _191, _192, + _193, _194, _195, _196, _197, _198, _199, _200, _201, _202, _203, _204, _205, _206, _207, _208, + _209, _210, _211, _212, _213, _214, _215, _216, _217, _218, _219, _220, _221, _222, _223, _224, + _225, _226, _227, _228, _229, _230, _231, _232, _233, _234, _235, _236, _237, _238, _239, _240, + _241, _242, _243, _244, _245, _246, _247, _248, _249, _250, _251, _252, _253, _254, +} + +pub enum E<X> { + A(X), + B, + C, +} + +pub fn match_e<X>(e: E<X>) -> u8 { + use E::*; + match e { + A(_) => 0, + B => 1, + C => 2, + } +} + +fn main() { + assert_eq!(match_e(E::A(X1::_1)), 0); + assert_eq!(match_e(E::A(X1::_2)), 0); + assert_eq!(match_e(E::A(X1::_254)), 0); + assert_eq!(match_e(E::<X1>::B), 1); + assert_eq!(match_e(E::<X1>::C), 2); + assert_eq!(match_e(E::A(X2::_1)), 0); + assert_eq!(match_e(E::A(X2::_2)), 0); + assert_eq!(match_e(E::A(X2::_3)), 0); + assert_eq!(match_e(E::<X2>::B), 1); + assert_eq!(match_e(E::<X2>::C), 2); + assert_eq!(match_e(E::A(X3::_1)), 0); + assert_eq!(match_e(E::A(X3::_2)), 0); + assert_eq!(match_e(E::A(X3::_254)), 0); + assert_eq!(match_e(E::<X3>::B), 1); + assert_eq!(match_e(E::<X3>::C), 2); + assert_eq!(match_e(E::A(X4::_1)), 0); + assert_eq!(match_e(E::A(X4::_2)), 0); + assert_eq!(match_e(E::A(X4::_254)), 0); + assert_eq!(match_e(E::<X4>::B), 1); + assert_eq!(match_e(E::<X4>::C), 2); + assert_eq!(match_e(E::A(false)), 0); + assert_eq!(match_e(E::A(true)), 0); + assert_eq!(match_e(E::<bool>::B), 1); + assert_eq!(match_e(E::<bool>::C), 2); +} diff --git a/src/test/ui/enum-discriminant/issue-104519.rs b/src/test/ui/enum-discriminant/issue-104519.rs new file mode 100644 index 000000000..c4630f76b --- /dev/null +++ b/src/test/ui/enum-discriminant/issue-104519.rs @@ -0,0 +1,36 @@ +// run-pass +#![allow(dead_code)] + +enum OpenResult { + Ok(()), + Err(()), + TransportErr(TransportErr), +} + +#[repr(i32)] +enum TransportErr { + UnknownMethod = -2, +} + +#[inline(never)] +fn some_match(result: OpenResult) -> u8 { + match result { + OpenResult::Ok(()) => 0, + _ => 1, + } +} + +fn main() { + let result = OpenResult::Ok(()); + assert_eq!(some_match(result), 0); + + let result = OpenResult::Ok(()); + match result { + OpenResult::Ok(()) => (), + _ => unreachable!("message a"), + } + match result { + OpenResult::Ok(()) => (), + _ => unreachable!("message b"), + } +} diff --git a/src/test/ui/enum-discriminant/issue-46519.rs b/src/test/ui/enum-discriminant/issue-46519.rs new file mode 100644 index 000000000..0567923b7 --- /dev/null +++ b/src/test/ui/enum-discriminant/issue-46519.rs @@ -0,0 +1,30 @@ +// run-pass +// compile-flags:--test -O + +// needs-unwind + +#[test] +#[should_panic(expected = "creating inhabited type")] +fn test() { + FontLanguageOverride::system_font(SystemFont::new()); +} + +pub enum FontLanguageOverride { + Normal, + Override(&'static str), + System(SystemFont) +} + +pub enum SystemFont {} + +impl FontLanguageOverride { + fn system_font(f: SystemFont) -> Self { + FontLanguageOverride::System(f) + } +} + +impl SystemFont { + fn new() -> Self { + panic!("creating inhabited type") + } +} |