Add tests

tests/expectations/tests/enum-no-debug-rust.rs

@@ -0,0 +1,77 @@
+#![allow(
+    dead_code,
+    non_snake_case,
+    non_camel_case_types,
+    non_upper_case_globals
+)]
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct foo {
+    pub member: foo__bindgen_ty_1,
+}
+pub const foo_FOO_A: foo__bindgen_ty_1 = foo__bindgen_ty_1::FOO_A;
+pub const foo_FOO_B: foo__bindgen_ty_1 = foo__bindgen_ty_1::FOO_B;
+#[repr(u32)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub enum foo__bindgen_ty_1 {
+    FOO_A = 0,
+    FOO_B = 1,
+}
+#[test]
+fn bindgen_test_layout_foo() {
+    assert_eq!(
+        ::std::mem::size_of::<foo>(),
+        4usize,
+        concat!("Size of: ", stringify!(foo))
+    );
+    assert_eq!(
+        ::std::mem::align_of::<foo>(),
+        4usize,
+        concat!("Alignment of ", stringify!(foo))
+    );
+    assert_eq!(
+        unsafe { &(*(::std::ptr::null::<foo>())).member as *const _ as usize },
+        0usize,
+        concat!(
+            "Offset of field: ",
+            stringify!(foo),
+            "::",
+            stringify!(member)
+        )
+    );
+}
+impl Default for foo {
+    fn default() -> Self {
+        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
+        unsafe {
+            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
+            s.assume_init()
+        }
+    }
+}
+#[repr(u32)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub enum Foo {
+    Bar = 0,
+    Qux = 1,
+}
+pub mod Neg {
+    pub type Type = ::std::os::raw::c_int;
+    pub const MinusOne: Type = -1;
+    pub const One: Type = 1;
+}
+#[repr(u32)]
+/// <div rustbindgen nodebug></div>
+#[derive(Copy, Clone, Hash, PartialEq, Eq)]
+pub enum NoDebug {
+    NoDebug1 = 0,
+    NoDebug2 = 1,
+}
+#[repr(u32)]
+/// <div rustbindgen derive="Debug"></div>
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub enum Debug {
+    Debug1 = 0,
+    Debug2 = 1,
+}

tests/headers/enum-no-debug-rust.h

@@ -0,0 +1,3 @@
+// bindgen-flags: --no-derive-debug --default-enum-style=rust --constified-enum-module=Neg
+
+#include "enum.h"