<?php
/*
 * Copyright 2016, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
namespace Google\GAX\UnitTests;

use Exception;
use Google\GAX\GrpcConstants;
use PHPUnit_Framework_TestCase;
use ReflectionClass;

class GrpcConstantsTest extends PHPUnit_Framework_TestCase
{
    public function testGetStatusCodeNames()
    {
        $statusCodeNames = GrpcConstants::getStatusCodeNames();

        $this->assertTrue(is_array($statusCodeNames));
        $this->assertFalse(empty($statusCodeNames));

        // test getting the status code names again does not throw exception
        GrpcConstants::getStatusCodeNames();
    }

    /**
     * @expectedException Exception
     * @expectedExceptionMessage GrpcConstants::initStatusCodeNames called more than once
     */
    public function testInitStatusCodeNamesThrowsException()
    {
        $statusCodeNames = GrpcConstants::getStatusCodeNames();

        $reflection = new ReflectionClass('Google\GAX\GrpcConstants');
        $method = $reflection->getMethod('initStatusCodeNames');
        $method->setAccessible(true);
        $method->invoke(new GrpcConstants);
    }
}