From 714dcbb0285c185e15569a9175dab11b7fc44f28 Mon Sep 17 00:00:00 2001
From: Eric Willigers <keiravillekode@gmail.com>
Date: Tue, 19 Dec 2023 18:58:10 +1100
Subject: [PATCH] Sync matching-brackets exercise

---
 exercises/practice/matching-brackets/.meta/tests.toml |  9 +++++++++
 exercises/practice/matching-brackets/test.sml         | 10 +++++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/exercises/practice/matching-brackets/.meta/tests.toml b/exercises/practice/matching-brackets/.meta/tests.toml
index 65b5562..35a98a0 100644
--- a/exercises/practice/matching-brackets/.meta/tests.toml
+++ b/exercises/practice/matching-brackets/.meta/tests.toml
@@ -48,12 +48,21 @@ description = "unpaired and nested brackets"
 [a0205e34-c2ac-49e6-a88a-899508d7d68e]
 description = "paired and wrong nested brackets"
 
+[1d5c093f-fc84-41fb-8c2a-e052f9581602]
+description = "paired and wrong nested brackets but innermost are correct"
+
 [ef47c21b-bcfd-4998-844c-7ad5daad90a8]
 description = "paired and incomplete brackets"
 
 [a4675a40-a8be-4fc2-bc47-2a282ce6edbe]
 description = "too many closing brackets"
 
+[a345a753-d889-4b7e-99ae-34ac85910d1a]
+description = "early unexpected brackets"
+
+[21f81d61-1608-465a-b850-baa44c5def83]
+description = "early mismatched brackets"
+
 [99255f93-261b-4435-a352-02bdecc9bdf2]
 description = "math expression"
 
diff --git a/exercises/practice/matching-brackets/test.sml b/exercises/practice/matching-brackets/test.sml
index 6f5d601..017f03d 100644
--- a/exercises/practice/matching-brackets/test.sml
+++ b/exercises/practice/matching-brackets/test.sml
@@ -1,4 +1,4 @@
-(* version 1.4.0 *)
+(* version 1.5.0 *)
 
 use "testlib.sml";
 use "matching-brackets.sml";
@@ -34,8 +34,16 @@ val testsuite =
       (fn _ => isBalanced "([{])" |> Expect.falsy),
     test "paired and wrong nested brackets"
       (fn _ => isBalanced "[({]})" |> Expect.falsy),
+    test "paired and wrong nested brackets but innermost are correct"
+      (fn _ => isBalanced "[({}])" |> Expect.falsy),
     test "paired and incomplete brackets"
       (fn _ => isBalanced "{}[" |> Expect.falsy),
+    test "too many closing brackets"
+      (fn _ => isBalanced "[]]" |> Expect.falsy),
+    test "early unexpected brackets"
+      (fn _ => isBalanced ")()" |> Expect.falsy),
+    test "early mismatched brackets"
+      (fn _ => isBalanced "{)()" |> Expect.falsy),
     test "math expression"
       (fn _ => isBalanced "(((185 + 223.85) * 15) - 543)/2" |> Expect.truthy),
     test "complex latex expression"