1 files changed, 16 insertions, 0 deletions
diff --git a/internal/bible/bible_test.go b/internal/bible/bible_test.go
index efd22d6..36223a3 100644
--- a/internal/bible/bible_test.go
+++ b/internal/bible/bible_test.go
@@ -28,3 +28,19 @@ func TestVerses(t *testing.T) {
 }
 
 func hasPrefix(s, p string) bool { return len(s) >= len(p) && s[:len(p)] == p }
+
+func TestChapters(t *testing.T) {
+	ch := Chapters("wuj", "John")
+	if len(ch) == 0 || ch[0] != 1 {
+		t.Fatalf("John chapters = %v", ch)
+	}
+	for i := 1; i < len(ch); i++ {
+		if ch[i] <= ch[i-1] {
+			t.Errorf("chapters not sorted ascending: %v", ch)
+			break
+		}
+	}
+	if got := Chapters("wuj", "Nonesuch"); len(got) != 0 {
+		t.Errorf("missing book chapters = %v want empty", got)
+	}
+}