A Tiny Amount of Coverage

Author: oleibman

tests/PhpSpreadsheetTests/Collection/Cells2Test.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\PhpSpreadsheetTests\Collection;
+
+use PhpOffice\PhpSpreadsheet\Collection\Cells;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use PHPUnit\Framework\TestCase;
+
+class Cells2Test extends TestCase
+{
+    public function testThrowsWhenCellCannotBeStoredInClonedCache(): void
+    {
+        $this->expectException(\PhpOffice\PhpSpreadsheet\Exception::class);
+        $this->expectExceptionMessage('Failed to copy cells in cache');
+
+        $cache = new SimpleCache3xxx();
+
+        $worksheet = new Worksheet();
+        $collection = new Cells($worksheet, $cache);
+
+        $collection->add('A1', $worksheet->getCell('A1'));
+        $collection->add('A2', $worksheet->getCell('A2'));
+        $collection->cloneCellCollection($worksheet);
+    }
+}

tests/PhpSpreadsheetTests/Collection/SimpleCache3xxx.php

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+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\PhpSpreadsheetTests\Collection;
+
+use DateInterval;
+use PhpOffice\PhpSpreadsheet\Collection\Memory\SimpleCache3;
+
+class SimpleCache3xxx extends SimpleCache3
+{
+    public static int $useCount = 0;
+
+    public function set(string $key, mixed $value, null|int|DateInterval $ttl = null): bool
+    {
+        ++self::$useCount;
+        if (self::$useCount >= 4) {
+            return false;
+        }
+
+        return parent::set($key, $value, $ttl);
+    }
+}