[rust] High Score

1 files changed, 68 insertions, 0 deletions

diff --git a/high-scores/tests/high-scores.rs b/high-scores/tests/high-scores.rs
new file mode 100644
index 0000000..4d2feb7
--- /dev/null
+++ b/high-scores/tests/high-scores.rs
@@ -0,0 +1,68 @@
+use high_scores::HighScores;
+
+#[test]
+fn test_list_of_scores() {
+    let expected = [30, 50, 20, 70];
+    let high_scores = HighScores::new(&expected);
+    assert_eq!(high_scores.scores(), &expected);
+}
+
+#[test]
+fn test_latest_score() {
+    let high_scores = HighScores::new(&[100, 0, 90, 30]);
+    assert_eq!(high_scores.latest(), Some(30));
+}
+
+#[test]
+fn test_latest_score_empty() {
+    let high_scores = HighScores::new(&[]);
+    assert_eq!(high_scores.latest(), None);
+}
+
+#[test]
+fn test_personal_best() {
+    let high_scores = HighScores::new(&[40, 100, 70]);
+    assert_eq!(high_scores.personal_best(), Some(100));
+}
+
+#[test]
+fn test_personal_best_empty() {
+    let high_scores = HighScores::new(&[]);
+    assert_eq!(high_scores.personal_best(), None);
+}
+
+#[test]
+fn test_personal_top_three() {
+    let high_scores = HighScores::new(&[10, 30, 90, 30, 100, 20, 10, 0, 30, 40, 40, 70, 70]);
+    assert_eq!(high_scores.personal_top_three(), vec![100, 90, 70]);
+}
+
+#[test]
+fn test_personal_top_three_highest_to_lowest() {
+    let high_scores = HighScores::new(&[20, 10, 30]);
+    assert_eq!(high_scores.personal_top_three(), vec![30, 20, 10]);
+}
+
+#[test]
+fn test_personal_top_three_with_tie() {
+    let high_scores = HighScores::new(&[40, 20, 40, 30]);
+    assert_eq!(high_scores.personal_top_three(), vec![40, 40, 30]);
+}
+
+#[test]
+fn test_personal_top_three_with_less_than_three_scores() {
+    let high_scores = HighScores::new(&[30, 70]);
+    assert_eq!(high_scores.personal_top_three(), vec![70, 30]);
+}
+
+#[test]
+fn test_personal_top_three_only_one_score() {
+    let high_scores = HighScores::new(&[40]);
+    assert_eq!(high_scores.personal_top_three(), vec![40]);
+}
+
+#[test]
+fn test_personal_top_three_empty() {
+    let high_scores = HighScores::new(&[]);
+    assert!(high_scores.personal_top_three().is_empty());
+}