Additional Test

tests/PhpSpreadsheetTests/Writer/Ods/BadFormulaTest.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\PhpSpreadsheetTests\Writer\Ods;
+
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Ods;
+use PhpOffice\PhpSpreadsheet\Writer\Ods\Content;
+use PHPUnit\Framework\TestCase;
+
+class BadFormulaTest extends TestCase
+{
+    public function testReadOrder(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $sheet = $spreadsheet->getActiveSheet();
+        $sheet->getCell('A1')->setValue('=SUM()'); // too few arguments
+        $sheet->getCell('A2')->setValue('=SUM(1,2,3)');
+        $content = new Content(new Ods($spreadsheet));
+        $xml = $content->write();
+        self::assertStringContainsString(
+            '<table:table-cell table:style-name="ce0" table:formula="of:=SUM()" office:value-type="string" office:string-value="=SUM()">',
+            $xml,
+            'exception during calculation during write'
+        );
+        self::assertStringContainsString(
+            '<table:table-cell table:style-name="ce0" table:formula="of:=SUM(1;2;3)" office:value-type="float" office:value="6">',
+            $xml,
+            'calculation okay'
+        );
+        $spreadsheet->disconnectWorksheets();
+    }
+}