some tests passed in clock

rust/reverse-string/tests/reverse_string.rs

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+use reverse_string::*;
+
+#[test]
+fn an_empty_string() {
+    let input = "";
+    let output = reverse(input);
+    let expected = "";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+fn a_word() {
+    let input = "robot";
+    let output = reverse(input);
+    let expected = "tobor";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+fn a_capitalized_word() {
+    let input = "Ramen";
+    let output = reverse(input);
+    let expected = "nemaR";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+fn a_sentence_with_punctuation() {
+    let input = "I'm hungry!";
+    let output = reverse(input);
+    let expected = "!yrgnuh m'I";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+fn a_palindrome() {
+    let input = "racecar";
+    let output = reverse(input);
+    let expected = "racecar";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+fn an_even_sized_word() {
+    let input = "drawer";
+    let output = reverse(input);
+    let expected = "reward";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+fn wide_characters() {
+    let input = "子猫";
+    let output = reverse(input);
+    let expected = "猫子";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+#[cfg(feature = "grapheme")]
+fn grapheme_cluster_with_pre_combined_form() {
+    let input = "Würstchenstand";
+    let output = reverse(input);
+    let expected = "dnatsnehctsrüW";
+    assert_eq!(output, expected);
+}
+
+#[test]
+// #[ignore]
+#[cfg(feature = "grapheme")]
+fn grapheme_clusters() {
+    let input = "ผู้เขียนโปรแกรม";
+    let output = reverse(input);
+    let expected = "มรกแรปโนยขีเผู้";
+    assert_eq!(output, expected);
+}