tests: Add tests for attribute annotations.

tests/rust/asserted-cast.rs

@@ -1,15 +1,20 @@
 /// cbindgen:prefix-with-name
 #[repr(C, u8)]
 pub enum H {
+    /// cbindgen:variant-mut-cast-attributes=MY_ATTRS
     Foo(i16),
+    /// cbindgen:variant-const-cast-attributes=MY_ATTRS
     Bar { x: u8, y: i16 },
+    /// cbindgen:variant-is-attributes=MY_ATTRS
     Baz
 }
 
 /// cbindgen:prefix-with-name
 #[repr(C, u8, u16)]
 pub enum I {
+    /// cbindgen:variant-constructor-attributes=MY_ATTRS
     Foo(i16),
+    /// cbindgen:eq-attributes=MY_ATTRS
     Bar { x: u8, y: i16 },
     Baz
 }

tests/rust/asserted-cast.toml

@@ -1,6 +1,6 @@
-# This is a bit of an abuse of the warning config...
-autogen_warning = """
+header = """
 #define MY_ASSERT(...) do { } while (0)
+#define MY_ATTRS __attribute((noinline))
 """
 
 [enum]

tests/rust/destructor-and-copy-ctor.rs

@@ -77,6 +77,21 @@ pub enum Tazzzz {
     Taz7(u32),
 }
 
+/// cbindgen:derive-eq=true
+/// cbindgen:derive-neq=true
+/// cbindgen:neq-attributes=NODISCARD
+/// cbindgen:eq-attributes=NODISCARD
+/// cbindgen:destructor-attributes=NOINLINE
+/// cbindgen:copy-constructor-attributes=NOINLINE
+/// cbindgen:copy-assignment-attributes=NOINLINE
+#[repr(u8)]
+pub enum Qux {
+    /// cbindgen:derive-eq=true
+    Qux1(i32),
+    /// cbindgen:derive-eq=true
+    Qux2(u32),
+}
+
 
 #[no_mangle]
-pub extern "C" fn root(a: &Foo<u32>, b: &Baz<i32>, c: &Taz, d: Tazz, e: &Tazzz, f: &Tazzzz) {}
+pub extern "C" fn root(a: &Foo<u32>, b: &Baz<i32>, c: &Taz, d: Tazz, e: &Tazzz, f: &Tazzzz, g: &Qux) {}

tests/rust/destructor-and-copy-ctor.toml

@@ -1,3 +1,8 @@
+header = """
+#define NOINLINE __attribute__((noinline))
+#define NODISCARD [[nodiscard]]
+"""
+
 [enum]
 derive_tagged_enum_destructor = true
 derive_tagged_enum_copy_constructor = true