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				<?php
				declare(strict_types=1);

				namespace Keruald\OmniTools\Tests\Debug;

				use Keruald\OmniTools\Debug\Debugger;
				use PHPUnit\Framework\TestCase;

				class DebuggerTest extends TestCase {

				///
				/// Unit tests
				///

				public function testRegister () {
				$this->assertTestSuiteStateIsValid();

				Debugger::register();

				$this->assertTrue(function_exists("dprint_r"));
				}

				private function assertTestSuiteStateIsValid() : void {
				$this->assertFalse(
				function_exists("dprint_r"),
				"Configure the test suite so dprint_r isn't in global space first."
				);
				}

				///
				/// Integration tests
				///

				/**
				* @dataProvider provideDebuggerScripts
				*/
				public function testDebuggerScript ($script, $message) : void {
				$this->assertProgramMatchesOutput($script, $message);
				}

				private function assertProgramMatchesOutput(string $script, string $message = "") : void {
				$filename = __DIR__ . "/testers/$script";

				$expected = file_get_contents($filename . ".txt");
				$actual = `php $filename.php`;

				$this->assertSame($expected, $actual, $message);
				}

				public function provideDebuggerScripts () : iterable {
				yield ["dump_integer", "Can't dump a variable"];
				yield ["dump_array", "Can't dump an array"];
				yield ["dump_object", "Can't dump an object"];
				yield ["check_die", "printVariableAndDie doesn't die"];
				}

				}