<?php
 namespace MongoDB\Tests\Operation;
 use MongoDB\Exception\InvalidArgumentException;
 use MongoDB\Operation\Explain;
 use MongoDB\Operation\Explainable;
 class ExplainTest extends TestCase {
 public function testConstructorOptionTypeChecks(array $options) {
 $explainable = $this->getMockBuilder(Explainable::class)->getMock();
 $this->expectException(InvalidArgumentException::class);
 new Explain($this->getDatabaseName(), $explainable, $options);
 }
 public function provideInvalidConstructorOptions() {
 $options = [];
 foreach ($this->getInvalidReadPreferenceValues() as $value) {
 $options[][] = ['readPreference' => $value];
 }
 foreach ($this->getInvalidSessionValues() as $value) {
 $options[][] = ['session' => $value];
 }
 foreach ($this->getInvalidStringValues() as $value) {
 $options[][] = ['verbosity' => $value];
 }
 foreach ($this->getInvalidArrayValues() as $value) {
 $options[][] = ['typeMap' => $value];
 }
 return $options;
 }
 }
 