1 files changed, 166 insertions, 0 deletions
diff --git a/tests/rust/enum.rs b/tests/rust/enum.rs
new file mode 100644
index 0000000..19191ca
--- /dev/null
+++ b/tests/rust/enum.rs
@@ -0,0 +1,166 @@
+enum Opaque {
+    Foo(i32),
+    Bar,
+}
+
+#[repr(u64)]
+enum A {
+    a1 = 0,
+    a2 = 2,
+    a3,
+    a4 = 5,
+}
+
+#[repr(u32)]
+enum B {
+    b1 = 0,
+    b2 = 2,
+    b3,
+    b4 = 5,
+}
+
+#[repr(u16)]
+enum C {
+    c1 = 0,
+    c2 = 2,
+    c3,
+    c4 = 5,
+}
+
+#[repr(u8)]
+enum D {
+    d1 = 0,
+    d2 = 2,
+    d3,
+    d4 = 5,
+}
+
+#[repr(usize)]
+enum E {
+    e1 = 0,
+    e2 = 2,
+    e3,
+    e4 = 5,
+}
+
+#[repr(isize)]
+enum F {
+    f1 = 0,
+    f2 = 2,
+    f3,
+    f4 = 5,
+}
+
+#[repr(u8)]
+enum G {
+    Foo(i16),
+    Bar { x: u8, y: i16 },
+    Baz,
+}
+
+/// cbindgen:prefix-with-name
+#[repr(C)]
+enum H {
+    Foo(i16),
+    Bar { x: u8, y: i16 },
+    Baz,
+}
+
+/// cbindgen:prefix-with-name
+#[repr(C, u8)]
+enum I {
+    Foo(i16),
+    Bar { x: u8, y: i16 },
+    Baz,
+}
+
+#[repr(C, u8, u16)]
+enum J {
+    Foo(i16),
+    Bar { x: u8, y: i16 },
+    Baz,
+}
+
+#[repr(C, u8, unknown_hint)]
+enum K {
+    Foo(i16),
+    Bar { x: u8, y: i16 },
+    Baz,
+}
+
+#[repr(C)]
+enum L {
+    l1,
+    l2,
+    l3,
+    l4,
+}
+
+#[repr(i8)]
+enum M {
+    m1 = -1,
+    m2 = 0,
+    m3 = 1,
+}
+
+/// cbindgen:enum-class=false
+#[repr(C)]
+enum N {
+    n1,
+    n2,
+    n3,
+    n4,
+}
+
+/// cbindgen:enum-class=false
+#[repr(i8)]
+enum O {
+    o1,
+    o2,
+    o3,
+    o4,
+}
+
+#[repr(C, u8)]
+enum P {
+    P0(u8),
+    P1(u8, u8, u8),
+}
+
+#[repr(C)]
+enum Q {
+    Ok(Box<u32>),
+    Err(u32),
+}
+
+/// cbindgen:rename-variant-name-fields=None
+#[repr(C)]
+enum R {
+    IRFoo(i16),
+    IRBar { x: u8, y: i16 },
+    IRBaz,
+}
+
+#[no_mangle]
+pub extern "C" fn root(
+    opaque: *mut Opaque,
+    a: A,
+    b: B,
+    c: C,
+    d: D,
+    e: E,
+    f: F,
+    g: G,
+    h: H,
+    i: I,
+    j: J,
+    k: K,
+    l: L,
+    m: M,
+    n: N,
+    o: O,
+    p: P,
+    q: Q,
+    r: R,
+) {
+}