From 61a5076dc5163e3b4eb95652a7752a98007d577b Mon Sep 17 00:00:00 2001
From: Brandon Liu <bdon@bdon.org>
Date: Mon, 30 Jan 2023 03:41:13 +0800
Subject: [PATCH] add edge case find_tile test [#117]

---
 js/test/v3.test.ts       | 9 +++++++++
 python/test/test_tile.py | 5 +++++
 2 files changed, 14 insertions(+)

diff --git a/js/test/v3.test.ts b/js/test/v3.test.ts
index 5a9e900..03d0af8 100644
--- a/js/test/v3.test.ts
+++ b/js/test/v3.test.ts
@@ -107,6 +107,15 @@ test("tile search for first entry == id", () => {
 	assert.strictEqual(findTile(entries, 101), null);
 });
 
+test("tile search with runlength", () => {
+	const entries: Entry[] = [
+		{ tileId: 3, offset: 3, length: 1, runLength: 2 },
+		{ tileId: 5, offset: 5, length: 1, runLength: 2 },
+	];
+	const entry = findTile(entries, 4)!;
+	assert.strictEqual(entry.offset, 3);
+});
+
 test("tile search with multiple tile entries", () => {
 	let entries: Entry[] = [{ tileId: 100, offset: 1, length: 1, runLength: 2 }];
 	let entry = findTile(entries, 101)!;
diff --git a/python/test/test_tile.py b/python/test/test_tile.py
index 5f5de22..06cf693 100644
--- a/python/test/test_tile.py
+++ b/python/test/test_tile.py
@@ -86,6 +86,11 @@ class TestFindTile(unittest.TestCase):
         self.assertEqual(result.offset, 1)
         self.assertEqual(result.length, 1)
 
+    def test_find_tile_runlength(self):
+        entries = [Entry(3, 3, 1, 2),Entry(5, 5, 1, 2)]
+        result = find_tile(entries, 4)
+        self.assertEqual(result.offset, 3)
+
     def test_find_tile_multiple(self):
         entries = [Entry(100, 1, 1, 2)]
         result = find_tile(entries, 101)