Constructive description here

vendor/fzaninotto/faker/test/Faker/Provider/de_AT/InternetTest.php

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+<?php
+
+namespace Faker\Test\Provider\de_AT;
+
+use Faker\Generator;
+use Faker\Provider\de_AT\Person;
+use Faker\Provider\de_AT\Internet;
+use Faker\Provider\de_AT\Company;
+
+class InternetTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * @var Generator
+     */
+    private $faker;
+
+    public function setUp()
+    {
+        $faker = new Generator();
+        $faker->addProvider(new Person($faker));
+        $faker->addProvider(new Internet($faker));
+        $faker->addProvider(new Company($faker));
+        $this->faker = $faker;
+    }
+
+    public function testEmailIsValid()
+    {
+        $email = $this->faker->email();
+        $this->assertNotFalse(filter_var($email, FILTER_VALIDATE_EMAIL));
+    }
+}

vendor/fzaninotto/faker/test/Faker/Provider/de_AT/PhoneNumberTest.php

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+<?php
+
+namespace Faker\Test\Provider\de_AT;
+
+use Faker\Generator;
+use Faker\Provider\de_AT\PhoneNumber;
+
+class PhoneNumberTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * @var Generator
+     */
+    private $faker;
+
+    public function setUp()
+    {
+        $faker = new Generator();
+        $faker->addProvider(new PhoneNumber($faker));
+        $this->faker = $faker;
+    }
+
+    public function testPhoneNumberFormat()
+    {
+        $number = $this->faker->phoneNumber;
+        $this->assertRegExp('/^06\d{2} \d{7}|\+43 \d{4} \d{4}(-\d{2})?$/', $number);
+    }
+}