1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/bitflags/src/tests/unknown.rs b/vendor/bitflags/src/tests/unknown.rs
new file mode 100644
index 00000000..020f7e92
--- /dev/null
+++ b/vendor/bitflags/src/tests/unknown.rs
@@ -0,0 +1,40 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(false, TestFlags::empty(), TestFlags::contains_unknown_bits);
+    case(false, TestFlags::A, TestFlags::contains_unknown_bits);
+
+    case(
+        true,
+        TestFlags::ABC | TestFlags::from_bits_retain(1 << 3),
+        TestFlags::contains_unknown_bits,
+    );
+
+    case(
+        true,
+        TestFlags::empty() | TestFlags::from_bits_retain(1 << 3),
+        TestFlags::contains_unknown_bits,
+    );
+
+    case(false, TestFlags::all(), TestFlags::contains_unknown_bits);
+
+    case(false, TestZero::empty(), TestZero::contains_unknown_bits);
+}
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug>(expected: bool, value: T, inherent: impl FnOnce(&T) -> bool) {
+    assert_eq!(
+        expected,
+        inherent(&value),
+        "{:?}.contains_unknown_bits()",
+        value
+    );
+    assert_eq!(
+        expected,
+        Flags::contains_unknown_bits(&value),
+        "Flags::contains_unknown_bits({:?})",
+        value
+    );
+}