<?php require_once __DIR__ . "/../vendor/autoload.php"; class ApiTest extends \PHPUnit\Framework\TestCase { public function test_should_instatiate_with_valid_curve_secp256k1() { $ec = new \Elliptic\EC('secp256k1'); $this->assertNotNull($ec); $this->assertInstanceOf(\Elliptic\EC::class, $ec); } public function test_should_throw_error_with_invalid_curve() { $this->expectException(\Exception::class); $ec = new \Elliptic\EC('nonexistent-curve'); } }