From 96bc4dda3cc9f6d843dc4846b85fd2389c7ee9a4 Mon Sep 17 00:00:00 2001
From: Joel C <joel@vorce.se>
Date: Sat, 19 Mar 2022 17:46:54 +0100
Subject: [PATCH] Add test case for deletion of non-member in Trie (#50)

---
 test/trie_test.exs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/test/trie_test.exs b/test/trie_test.exs
index 730a964..295210f 100644
--- a/test/trie_test.exs
+++ b/test/trie_test.exs
@@ -188,6 +188,13 @@ defmodule TrieTest do
 
       assert List.first(updated_trie.children).count == 1
     end
+
+    test "ignores non-member" do
+      trie = Trie.insert(Trie.new(), "hello")
+
+      assert Trie.delete(trie, "non-member") == trie
+      assert Trie.delete(trie, []) == trie
+    end
   end
 
   describe "child/2" do
@@ -217,7 +224,9 @@ defmodule TrieTest do
   describe "insert_all/2" do
     test "equivalent to many insert" do
       trie = Trie.new()
-      assert trie |> Trie.insert("hi") |> Trie.insert("hey") == trie |> Trie.insert_all(["hi", "hey"])
+
+      assert trie |> Trie.insert("hi") |> Trie.insert("hey") ==
+               trie |> Trie.insert_all(["hi", "hey"])
     end
   end