1 files changed, 21 insertions, 0 deletions
diff --git a/compiler/rustc_lint/src/nonstandard_style/tests.rs b/compiler/rustc_lint/src/nonstandard_style/tests.rs
new file mode 100644
index 000000000..39c525b86
--- /dev/null
+++ b/compiler/rustc_lint/src/nonstandard_style/tests.rs
@@ -0,0 +1,21 @@
+use super::{is_camel_case, to_camel_case};
+
+#[test]
+fn camel_case() {
+    assert!(!is_camel_case("userData"));
+    assert_eq!(to_camel_case("userData"), "UserData");
+
+    assert!(is_camel_case("X86_64"));
+
+    assert!(!is_camel_case("X86__64"));
+    assert_eq!(to_camel_case("X86__64"), "X86_64");
+
+    assert!(!is_camel_case("Abc_123"));
+    assert_eq!(to_camel_case("Abc_123"), "Abc123");
+
+    assert!(!is_camel_case("A1_b2_c3"));
+    assert_eq!(to_camel_case("A1_b2_c3"), "A1B2C3");
+
+    assert!(!is_camel_case("ONE_TWO_THREE"));
+    assert_eq!(to_camel_case("ONE_TWO_THREE"), "OneTwoThree");
+}