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2025-11-20 14:44:35 +08:00
commit 91f70ed69c
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+<?php
+
+declare(strict_types=1);
+
+namespace Tests\PhpOffice\Math\Element;
+
+use PhpOffice\Math\Element;
+use PhpOffice\Math\Element\Superscript;
+use PHPUnit\Framework\TestCase;
+
+class SuperscriptTest extends TestCase
+{
+    public function testConstruct(): void
+    {
+        $superscript = new Superscript(new Element\Identifier('a'), new Element\Identifier('a'));
+
+        $this->assertInstanceOf(Element\Identifier::class, $superscript->getBase());
+        $this->assertInstanceOf(Element\Identifier::class, $superscript->getSuperscript());
+    }
+
+    public function testBase(): void
+    {
+        $identifierA = new Element\Identifier('a');
+        $identifierB = new Element\Identifier('b');
+        $identifierC = new Element\Identifier('c');
+
+        $superscript = new Superscript($identifierA, $identifierB);
+
+        $this->assertEquals($identifierA, $superscript->getBase());
+        $this->assertInstanceOf(Superscript::class, $superscript->setBase($identifierC));
+        $this->assertEquals($identifierC, $superscript->getBase());
+    }
+
+    public function testSuperscript(): void
+    {
+        $identifierA = new Element\Identifier('a');
+        $identifierB = new Element\Identifier('b');
+        $identifierC = new Element\Identifier('c');
+
+        $superscript = new Superscript($identifierA, $identifierB);
+
+        $this->assertEquals($identifierB, $superscript->getSuperscript());
+        $this->assertInstanceOf(Superscript::class, $superscript->setSuperscript($identifierC));
+        $this->assertEquals($identifierC, $superscript->getSuperscript());
+    }
+}