1 files changed, 38 insertions, 0 deletions
diff --git a/library/compiler-builtins/crates/libm-macros/tests/enum.rs b/library/compiler-builtins/crates/libm-macros/tests/enum.rs
new file mode 100644
index 00000000000..93e209a0dcc
--- /dev/null
+++ b/library/compiler-builtins/crates/libm-macros/tests/enum.rs
@@ -0,0 +1,38 @@
+#[libm_macros::function_enum(BaseName)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
+pub enum Identifier {}
+
+#[libm_macros::base_name_enum]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
+pub enum BaseName {}
+
+#[test]
+fn as_str() {
+    assert_eq!(Identifier::Sin.as_str(), "sin");
+    assert_eq!(Identifier::Sinf.as_str(), "sinf");
+}
+
+#[test]
+fn from_str() {
+    assert_eq!(Identifier::from_str("sin").unwrap(), Identifier::Sin);
+    assert_eq!(Identifier::from_str("sinf").unwrap(), Identifier::Sinf);
+}
+
+#[test]
+fn basename() {
+    assert_eq!(Identifier::Sin.base_name(), BaseName::Sin);
+    assert_eq!(Identifier::Sinf.base_name(), BaseName::Sin);
+}
+
+#[test]
+fn math_op() {
+    assert_eq!(Identifier::Sin.math_op().float_ty, FloatTy::F64);
+    assert_eq!(Identifier::Sinf.math_op().float_ty, FloatTy::F32);
+}
+
+// Replicate the structure that we have in `libm-test`
+mod op {
+    include!("../../libm-macros/src/shared.rs");
+}
+
+use op::FloatTy;