Add compile fail tests for bevy_reflect

Author: MrGVSV

.gitignore

@@ -1,5 +1,5 @@
 /target
-crates/*/target
+crates/**/target
 **/*.rs.bk
 Cargo.lock
 .cargo/config

Cargo.toml

@@ -12,7 +12,7 @@ readme = "README.md"
 repository = "https://github.com/bevyengine/bevy"
 
 [workspace]
-exclude = ["benches", "crates/bevy_ecs_compile_fail_tests"]
+exclude = ["benches", "crates/bevy_ecs_compile_fail_tests", "crates/bevy_reflect/bevy_reflect_compile_fail_tests"]
 members = [
   "crates/*",
   "examples/android",

crates/bevy_reflect/bevy_reflect_compile_fail_tests/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "bevy_reflect_compile_fail_tests"
+version = "0.1.0"
+edition = "2021"
+description = "Compile fail tests for Bevy Engine's reflection system"
+homepage = "https://bevyengine.org"
+repository = "https://github.com/bevyengine/bevy"
+license = "MIT OR Apache-2.0"
+publish = false
+
+[dev-dependencies]
+bevy_reflect = { path = ".." }
+trybuild = "1.0.71"

crates/bevy_reflect/bevy_reflect_compile_fail_tests/src/lib.rs

@@ -0,0 +1 @@
+// Nothing here, check out the integration tests

crates/bevy_reflect/bevy_reflect_compile_fail_tests/tests/reflect_derive.rs

@@ -0,0 +1,6 @@
+#[test]
+fn test() {
+    let t = trybuild::TestCases::new();
+    t.compile_fail("tests/reflect_derive/*.fail.rs");
+    t.pass("tests/reflect_derive/*.pass.rs");
+}

crates/bevy_reflect/bevy_reflect_compile_fail_tests/tests/reflect_derive/lifetimes.fail.rs

@@ -0,0 +1,9 @@
+use bevy_reflect::Reflect;
+
+#[derive(Reflect)]
+struct Foo<'a> {
+    #[reflect(ignore)]
+    value: &'a str,
+}
+
+fn main() {}

crates/bevy_reflect/bevy_reflect_compile_fail_tests/tests/reflect_derive/lifetimes.fail.stderr

@@ -0,0 +1,13 @@
+error[E0478]: lifetime bound not satisfied
+ --> tests/reflect_derive/lifetimes.fail.rs:3:10
+  |
+3 | #[derive(Reflect)]
+  |          ^^^^^^^
+  |
+note: lifetime parameter instantiated with the lifetime `'a` as defined here
+ --> tests/reflect_derive/lifetimes.fail.rs:4:12
+  |
+4 | struct Foo<'a> {
+  |            ^^
+  = note: but lifetime parameter must outlive the static lifetime
+  = note: this error originates in the derive macro `Reflect` (in Nightly builds, run with -Z macro-backtrace for more info)

crates/bevy_reflect/bevy_reflect_compile_fail_tests/tests/reflect_derive/lifetimes.pass.rs

@@ -0,0 +1,10 @@
+use bevy_reflect::Reflect;
+
+// Reason: Reflection relies on `Any` which requires `'static`
+#[derive(Reflect)]
+struct Foo<'a: 'static> {
+    #[reflect(ignore)]
+    value: &'a str,
+}
+
+fn main() {}