From aa111d14c31c56d50988c6c8a9b847234b56a791 Mon Sep 17 00:00:00 2001
From: Alexander Shalamov <alexander.shalamov@mapbox.com>
Date: Mon, 29 Jul 2019 18:45:50 +0300
Subject: [core] Add unit test for grid index

---
 test/util/grid_index.test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/util/grid_index.test.cpp b/test/util/grid_index.test.cpp
index b0a4e581a3..157e66b38d 100644
--- a/test/util/grid_index.test.cpp
+++ b/test/util/grid_index.test.cpp
@@ -51,3 +51,8 @@ TEST(GridIndex, CircleBox) {
     EXPECT_EQ(grid.query({{0, 80}, {20, 100}}), (std::vector<int16_t>{2}));
 }
 
+TEST(GridIndex, IndexesFeaturesOverflow) {
+    GridIndex<int16_t> grid(5000, 5000, 25);
+    grid.insert(0, {{4500, 4500}, {4900, 4900}});
+    EXPECT_EQ(grid.query({{4000, 4000}, {5000, 5000}}), (std::vector<int16_t>{0}));
+}
-- 
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