Vendor things

third-party/vendor/num_enum/tests/into_primitive.rs

@@ -0,0 +1,47 @@
+use ::num_enum::IntoPrimitive;
+
+// Guard against https://github.com/illicitonion/num_enum/issues/27
+mod alloc {}
+mod core {}
+mod num_enum {}
+mod std {}
+
+#[derive(IntoPrimitive)]
+#[repr(u8)]
+enum Enum {
+    Zero,
+    One,
+    Two,
+}
+
+#[test]
+fn simple() {
+    let zero: u8 = Enum::Zero.into();
+    assert_eq!(zero, 0u8);
+
+    let one: u8 = Enum::One.into();
+    assert_eq!(one, 1u8);
+
+    let two: u8 = Enum::Two.into();
+    assert_eq!(two, 2u8);
+}
+
+#[test]
+fn catch_all() {
+    #[derive(Debug, Eq, PartialEq, IntoPrimitive)]
+    #[repr(u8)]
+    enum Enum {
+        Zero = 0,
+        #[num_enum(catch_all)]
+        NonZero(u8),
+    }
+
+    let zero: u8 = Enum::Zero.into();
+    assert_eq!(zero, 0u8);
+
+    let one: u8 = Enum::NonZero(1u8).into();
+    assert_eq!(one, 1u8);
+
+    let two: u8 = Enum::NonZero(2u8).into();
+    assert_eq!(two, 2u8);
+}