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Add context to compile tests (#7342)

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# Objective

`bevy_ecs/system_param.rs` contains many seemingly-arbitrary struct definitions which serve as compile tests.

## Solution

Add a comment to each one, linking the issue or PR that motivated its addition.
This commit is contained in:
JoJoJet 2023-01-23 22:34:32 +00:00
parent a3baf2ae86
commit e84907fc55
1 changed files with 9 additions and 1 deletions
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10
crates/bevy_ecs/src/system/system_param.rs
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@ -1481,7 +1481,7 @@ mod tests {
system::Query, system::Query,
}; };
// Compile test for #2838 // Compile test for https://github.com/bevyengine/bevy/pull/2838.
#[derive(SystemParam)] #[derive(SystemParam)]
pub struct SpecialQuery< pub struct SpecialQuery<
'w, 'w,
@ -1492,6 +1492,8 @@ mod tests {
_query: Query<'w, 's, Q, F>, _query: Query<'w, 's, Q, F>,
} }
// Compile tests for https://github.com/bevyengine/bevy/pull/6694.
#[derive(SystemParam)] #[derive(SystemParam)]
pub struct SpecialRes<'w, T: Resource> { pub struct SpecialRes<'w, T: Resource> {
_res: Res<'w, T>, _res: Res<'w, T>,
@ -1505,9 +1507,11 @@ mod tests {
#[derive(Resource)] #[derive(Resource)]
pub struct R<const I: usize>; pub struct R<const I: usize>;
// Compile test for https://github.com/bevyengine/bevy/pull/7001.
#[derive(SystemParam)] #[derive(SystemParam)]
pub struct ConstGenericParam<'w, const I: usize>(Res<'w, R<I>>); pub struct ConstGenericParam<'w, const I: usize>(Res<'w, R<I>>);
// Compile test for https://github.com/bevyengine/bevy/pull/6867.
#[derive(SystemParam)] #[derive(SystemParam)]
pub struct LongParam<'w> { pub struct LongParam<'w> {
_r0: Res<'w, R<0>>, _r0: Res<'w, R<0>>,
@ -1534,6 +1538,7 @@ mod tests {
crate::system::assert_is_system(long_system); crate::system::assert_is_system(long_system);
} }
// Compile test for https://github.com/bevyengine/bevy/pull/6919.
#[derive(SystemParam)] #[derive(SystemParam)]
struct MyParam<'w, T: Resource, Marker: 'static> { struct MyParam<'w, T: Resource, Marker: 'static> {
_foo: Res<'w, T>, _foo: Res<'w, T>,
@ -1541,6 +1546,8 @@ mod tests {
marker: PhantomData<Marker>, marker: PhantomData<Marker>,
} }
// Compile tests for https://github.com/bevyengine/bevy/pull/6957.
#[derive(SystemParam)] #[derive(SystemParam)]
pub struct UnitParam; pub struct UnitParam;
@ -1553,6 +1560,7 @@ mod tests {
#[derive(Resource)] #[derive(Resource)]
struct PrivateResource; struct PrivateResource;
// Regression test for https://github.com/bevyengine/bevy/issues/4200.
#[derive(SystemParam)] #[derive(SystemParam)]
pub struct EncapsulatedParam<'w>(Res<'w, PrivateResource>); pub struct EncapsulatedParam<'w>(Res<'w, PrivateResource>);