Add more TestDox tests

Author: sebastianbergmann

tests/end-to-end/testdox/_files/DiffTest.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\TestFixture\TestDox;
+
+use PHPUnit\Framework\TestCase;
+use const PHP_EOL;
+
+final class DiffTest extends TestCase
+{
+    public function testSomethingThatDoesNotWork(): void
+    {
+        $this->assertEquals(
+            'foo' . PHP_EOL . 'bar' . PHP_EOL . 'baz' . PHP_EOL,
+            'foo' . PHP_EOL . 'baz' . PHP_EOL . 'bar' . PHP_EOL,
+        );
+    }
+}

tests/end-to-end/testdox/diff-colorized.phpt

@@ -0,0 +1,37 @@
+--TEST--
+TestDox: Diff; Colorized
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--testdox';
+$_SERVER['argv'][] = '--colors=always';
+$_SERVER['argv'][] = __DIR__ . '/_files/DiffTest.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+PHPUnit\TextUI\Command::main();
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Diff (PHPUnit\TestFixture\TestDox\Diff)
+ ✘ Something that does not work
+   ┐
+   ├ Failed asserting that two strings are equal.
+   ┊ ---·Expected
+   ┊ +++·Actual
+   ┊ @@ @@
+   ┊  'foo\n
+   ┊ +baz\n
+   ┊  bar\n
+   ┊ -baz\n
+   ┊  '
+   │
+   ╵ %stests/end-to-end/testdox/_files/DiffTest.php:%d
+   ┴
+
+Time: %s, Memory: %s
+
+
+FAILURES!
+Tests: 1, Assertions: 1, Failures: 1.

tests/end-to-end/testdox/diff.phpt

@@ -0,0 +1,37 @@
+--TEST--
+TestDox: Diff
+--FILE--
+<?php declare(strict_types=1);
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--testdox';
+$_SERVER['argv'][] = '--colors=never';
+$_SERVER['argv'][] = __DIR__ . '/_files/DiffTest.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+PHPUnit\TextUI\Command::main();
+--EXPECTF--
+PHPUnit %s by Sebastian Bergmann and contributors.
+
+Diff (PHPUnit\TestFixture\TestDox\Diff)
+ ✘ Something that does not work
+   │
+   │ Failed asserting that two strings are equal.
+   │ --- Expected
+   │ +++ Actual
+   │ @@ @@
+   │  'foo\n
+   │ +baz\n
+   │  bar\n
+   │ -baz\n
+   │  '
+   │
+   │ %sDiffTest.php:%d
+   │
+
+Time: %s, Memory: %s
+
+
+FAILURES!
+Tests: 1, Assertions: 1, Failures: 1.