<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\OptionsResolver\Tests;

use Symfony\Component\OptionsResolver\Exception\InvalidOptionsException;
use Symfony\Component\OptionsResolver\Options;
use Symfony\Component\OptionsResolver\OptionsResolver;

class OptionsResolver2Dot6Test extends \PHPUnit_Framework_TestCase
{
    /**
     * @var OptionsResolver
     */
    private $resolver;

    protected function setUp()
    {
        $this->resolver = new OptionsResolver();
    }

    ////////////////////////////////////////////////////////////////////////////
    // resolve()
    ////////////////////////////////////////////////////////////////////////////

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     * @expectedExceptionMessage The option "foo" does not exist. Known options are: "a", "z".
     */
    public function testResolveFailsIfNonExistingOption()
    {
        $this->resolver->setDefault('z', '1');
        $this->resolver->setDefault('a', '2');

        $this->resolver->resolve(array('foo' => 'bar'));
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     * @expectedExceptionMessage The options "baz", "foo", "ping" do not exist. Known options are: "a", "z".
     */
    public function testResolveFailsIfMultipleNonExistingOptions()
    {
        $this->resolver->setDefault('z', '1');
        $this->resolver->setDefault('a', '2');

        $this->resolver->resolve(array('ping' => 'pong', 'foo' => 'bar', 'baz' => 'bam'));
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testResolveFailsFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->resolve(array());
        });

        $this->resolver->resolve();
    }

    ////////////////////////////////////////////////////////////////////////////
    // setDefault()/hasDefault()
    ////////////////////////////////////////////////////////////////////////////

    public function testSetDefaultReturnsThis()
    {
        $this->assertSame($this->resolver, $this->resolver->setDefault('foo', 'bar'));
    }

    public function testSetDefault()
    {
        $this->resolver->setDefault('one', '1');
        $this->resolver->setDefault('two', '20');

        $this->assertEquals(array(
            'one' => '1',
            'two' => '20',
        ), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetDefaultFromLazyOption()
    {
        $this->resolver->setDefault('lazy', function (Options $options) {
            $options->setDefault('default', 42);
        });

        $this->resolver->resolve();
    }

    public function testHasDefault()
    {
        $this->assertFalse($this->resolver->hasDefault('foo'));
        $this->resolver->setDefault('foo', 42);
        $this->assertTrue($this->resolver->hasDefault('foo'));
    }

    public function testHasDefaultWithNullValue()
    {
        $this->assertFalse($this->resolver->hasDefault('foo'));
        $this->resolver->setDefault('foo', null);
        $this->assertTrue($this->resolver->hasDefault('foo'));
    }

    ////////////////////////////////////////////////////////////////////////////
    // overload()
    ////////////////////////////////////////////////////////////////////////////

    public function testOverloadReturnsThis()
    {
        $this->assertSame($this->resolver, $this->resolver->overload('foo', 'bar'));
    }

    public function testOverloadCallsSet()
    {
        $this->resolver->overload('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // lazy setDefault()
    ////////////////////////////////////////////////////////////////////////////

    public function testSetLazyReturnsThis()
    {
        $this->assertSame($this->resolver, $this->resolver->setDefault('foo', function (Options $options) {}));
    }

    public function testSetLazyClosure()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            return 'lazy';
        });

        $this->assertEquals(array('foo' => 'lazy'), $this->resolver->resolve());
    }

    public function testClosureWithoutTypeHintNotInvoked()
    {
        $closure = function ($options) {
            \PHPUnit_Framework_Assert::fail('Should not be called');
        };

        $this->resolver->setDefault('foo', $closure);

        $this->assertSame(array('foo' => $closure), $this->resolver->resolve());
    }

    public function testClosureWithoutParametersNotInvoked()
    {
        $closure = function () {
            \PHPUnit_Framework_Assert::fail('Should not be called');
        };

        $this->resolver->setDefault('foo', $closure);

        $this->assertSame(array('foo' => $closure), $this->resolver->resolve());
    }

    public function testAccessPreviousDefaultValue()
    {
        // defined by superclass
        $this->resolver->setDefault('foo', 'bar');

        // defined by subclass
        $this->resolver->setDefault('foo', function (Options $options, $previousValue) {
            \PHPUnit_Framework_Assert::assertEquals('bar', $previousValue);

            return 'lazy';
        });

        $this->assertEquals(array('foo' => 'lazy'), $this->resolver->resolve());
    }

    public function testAccessPreviousLazyDefaultValue()
    {
        // defined by superclass
        $this->resolver->setDefault('foo', function (Options $options) {
            return 'bar';
        });

        // defined by subclass
        $this->resolver->setDefault('foo', function (Options $options, $previousValue) {
            \PHPUnit_Framework_Assert::assertEquals('bar', $previousValue);

            return 'lazy';
        });

        $this->assertEquals(array('foo' => 'lazy'), $this->resolver->resolve());
    }

    public function testPreviousValueIsNotEvaluatedIfNoSecondArgument()
    {
        // defined by superclass
        $this->resolver->setDefault('foo', function () {
            \PHPUnit_Framework_Assert::fail('Should not be called');
        });

        // defined by subclass, no $previousValue argument defined!
        $this->resolver->setDefault('foo', function (Options $options) {
            return 'lazy';
        });

        $this->assertEquals(array('foo' => 'lazy'), $this->resolver->resolve());
    }

    public function testOverwrittenLazyOptionNotEvaluated()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            \PHPUnit_Framework_Assert::fail('Should not be called');
        });

        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testInvokeEachLazyOptionOnlyOnce()
    {
        $calls = 0;

        $this->resolver->setDefault('lazy1', function (Options $options) use (&$calls) {
            \PHPUnit_Framework_Assert::assertSame(1, ++$calls);

            $options['lazy2'];
        });

        $this->resolver->setDefault('lazy2', function (Options $options) use (&$calls) {
            \PHPUnit_Framework_Assert::assertSame(2, ++$calls);
        });

        $this->resolver->resolve();

        $this->assertSame(2, $calls);
    }

    ////////////////////////////////////////////////////////////////////////////
    // setRequired()/isRequired()/getRequiredOptions()
    ////////////////////////////////////////////////////////////////////////////

    public function testSetRequiredReturnsThis()
    {
        $this->assertSame($this->resolver, $this->resolver->setRequired('foo'));
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetRequiredFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->setRequired('bar');
        });

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\MissingOptionsException
     */
    public function testResolveFailsIfRequiredOptionMissing()
    {
        $this->resolver->setRequired('foo');

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfRequiredOptionSet()
    {
        $this->resolver->setRequired('foo');
        $this->resolver->setDefault('foo', 'bar');

        $this->assertNotEmpty($this->resolver->resolve());
    }

    public function testResolveSucceedsIfRequiredOptionPassed()
    {
        $this->resolver->setRequired('foo');

        $this->assertNotEmpty($this->resolver->resolve(array('foo' => 'bar')));
    }

    public function testIsRequired()
    {
        $this->assertFalse($this->resolver->isRequired('foo'));
        $this->resolver->setRequired('foo');
        $this->assertTrue($this->resolver->isRequired('foo'));
    }

    public function testRequiredIfSetBefore()
    {
        $this->assertFalse($this->resolver->isRequired('foo'));

        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setRequired('foo');

        $this->assertTrue($this->resolver->isRequired('foo'));
    }

    public function testStillRequiredAfterSet()
    {
        $this->assertFalse($this->resolver->isRequired('foo'));

        $this->resolver->setRequired('foo');
        $this->resolver->setDefault('foo', 'bar');

        $this->assertTrue($this->resolver->isRequired('foo'));
    }

    public function testIsNotRequiredAfterRemove()
    {
        $this->assertFalse($this->resolver->isRequired('foo'));
        $this->resolver->setRequired('foo');
        $this->resolver->remove('foo');
        $this->assertFalse($this->resolver->isRequired('foo'));
    }

    public function testIsNotRequiredAfterClear()
    {
        $this->assertFalse($this->resolver->isRequired('foo'));
        $this->resolver->setRequired('foo');
        $this->resolver->clear();
        $this->assertFalse($this->resolver->isRequired('foo'));
    }

    public function testGetRequiredOptions()
    {
        $this->resolver->setRequired(array('foo', 'bar'));
        $this->resolver->setDefault('bam', 'baz');
        $this->resolver->setDefault('foo', 'boo');

        $this->assertSame(array('foo', 'bar'), $this->resolver->getRequiredOptions());
    }

    ////////////////////////////////////////////////////////////////////////////
    // isMissing()/getMissingOptions()
    ////////////////////////////////////////////////////////////////////////////

    public function testIsMissingIfNotSet()
    {
        $this->assertFalse($this->resolver->isMissing('foo'));
        $this->resolver->setRequired('foo');
        $this->assertTrue($this->resolver->isMissing('foo'));
    }

    public function testIsNotMissingIfSet()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->assertFalse($this->resolver->isMissing('foo'));
        $this->resolver->setRequired('foo');
        $this->assertFalse($this->resolver->isMissing('foo'));
    }

    public function testIsNotMissingAfterRemove()
    {
        $this->resolver->setRequired('foo');
        $this->resolver->remove('foo');
        $this->assertFalse($this->resolver->isMissing('foo'));
    }

    public function testIsNotMissingAfterClear()
    {
        $this->resolver->setRequired('foo');
        $this->resolver->clear();
        $this->assertFalse($this->resolver->isRequired('foo'));
    }

    public function testGetMissingOptions()
    {
        $this->resolver->setRequired(array('foo', 'bar'));
        $this->resolver->setDefault('bam', 'baz');
        $this->resolver->setDefault('foo', 'boo');

        $this->assertSame(array('bar'), $this->resolver->getMissingOptions());
    }

    ////////////////////////////////////////////////////////////////////////////
    // setDefined()/isDefined()/getDefinedOptions()
    ////////////////////////////////////////////////////////////////////////////

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetDefinedFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->setDefined('bar');
        });

        $this->resolver->resolve();
    }

    public function testDefinedOptionsNotIncludedInResolvedOptions()
    {
        $this->resolver->setDefined('foo');

        $this->assertSame(array(), $this->resolver->resolve());
    }

    public function testDefinedOptionsIncludedIfDefaultSetBefore()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setDefined('foo');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testDefinedOptionsIncludedIfDefaultSetAfter()
    {
        $this->resolver->setDefined('foo');
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testDefinedOptionsIncludedIfPassedToResolve()
    {
        $this->resolver->setDefined('foo');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve(array('foo' => 'bar')));
    }

    public function testIsDefined()
    {
        $this->assertFalse($this->resolver->isDefined('foo'));
        $this->resolver->setDefined('foo');
        $this->assertTrue($this->resolver->isDefined('foo'));
    }

    public function testLazyOptionsAreDefined()
    {
        $this->assertFalse($this->resolver->isDefined('foo'));
        $this->resolver->setDefault('foo', function (Options $options) {});
        $this->assertTrue($this->resolver->isDefined('foo'));
    }

    public function testRequiredOptionsAreDefined()
    {
        $this->assertFalse($this->resolver->isDefined('foo'));
        $this->resolver->setRequired('foo');
        $this->assertTrue($this->resolver->isDefined('foo'));
    }

    public function testSetOptionsAreDefined()
    {
        $this->assertFalse($this->resolver->isDefined('foo'));
        $this->resolver->setDefault('foo', 'bar');
        $this->assertTrue($this->resolver->isDefined('foo'));
    }

    public function testGetDefinedOptions()
    {
        $this->resolver->setDefined(array('foo', 'bar'));
        $this->resolver->setDefault('baz', 'bam');
        $this->resolver->setRequired('boo');

        $this->assertSame(array('foo', 'bar', 'baz', 'boo'), $this->resolver->getDefinedOptions());
    }

    public function testRemovedOptionsAreNotDefined()
    {
        $this->assertFalse($this->resolver->isDefined('foo'));
        $this->resolver->setDefined('foo');
        $this->assertTrue($this->resolver->isDefined('foo'));
        $this->resolver->remove('foo');
        $this->assertFalse($this->resolver->isDefined('foo'));
    }

    public function testClearedOptionsAreNotDefined()
    {
        $this->assertFalse($this->resolver->isDefined('foo'));
        $this->resolver->setDefined('foo');
        $this->assertTrue($this->resolver->isDefined('foo'));
        $this->resolver->clear();
        $this->assertFalse($this->resolver->isDefined('foo'));
    }

    ////////////////////////////////////////////////////////////////////////////
    // setAllowedTypes()
    ////////////////////////////////////////////////////////////////////////////

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     */
    public function testSetAllowedTypesFailsIfUnknownOption()
    {
        $this->resolver->setAllowedTypes('foo', 'string');
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetAllowedTypesFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->setAllowedTypes('bar', 'string');
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     * @expectedExceptionMessage The option "foo" with value 42 is expected to be of type "string", but is of type "integer".
     */
    public function testResolveFailsIfInvalidType()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedTypes('foo', 'string');

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidType()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedTypes('foo', 'string');

        $this->assertNotEmpty($this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     * @expectedExceptionMessage The option "foo" with value 42 is expected to be of type "string" or "bool", but is of type "integer".
     */
    public function testResolveFailsIfInvalidTypeMultiple()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedTypes('foo', array('string', 'bool'));

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidTypeMultiple()
    {
        $this->resolver->setDefault('foo', true);
        $this->resolver->setAllowedTypes('foo', array('string', 'bool'));

        $this->assertNotEmpty($this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfNotInstanceOfClass()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedTypes('foo', '\stdClass');

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfInstanceOfClass()
    {
        $this->resolver->setDefault('foo', new \stdClass());
        $this->resolver->setAllowedTypes('foo', '\stdClass');

        $this->assertNotEmpty($this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // addAllowedTypes()
    ////////////////////////////////////////////////////////////////////////////

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     */
    public function testAddAllowedTypesFailsIfUnknownOption()
    {
        $this->resolver->addAllowedTypes('foo', 'string');
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfAddAllowedTypesFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->addAllowedTypes('bar', 'string');
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfInvalidAddedType()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->addAllowedTypes('foo', 'string');

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidAddedType()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->addAllowedTypes('foo', 'string');

        $this->assertNotEmpty($this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfInvalidAddedTypeMultiple()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->addAllowedTypes('foo', array('string', 'bool'));

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidAddedTypeMultiple()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->addAllowedTypes('foo', array('string', 'bool'));

        $this->assertNotEmpty($this->resolver->resolve());
    }

    public function testAddAllowedTypesDoesNotOverwrite()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedTypes('foo', 'string');
        $this->resolver->addAllowedTypes('foo', 'bool');

        $this->resolver->setDefault('foo', 'bar');

        $this->assertNotEmpty($this->resolver->resolve());
    }

    public function testAddAllowedTypesDoesNotOverwrite2()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedTypes('foo', 'string');
        $this->resolver->addAllowedTypes('foo', 'bool');

        $this->resolver->setDefault('foo', false);

        $this->assertNotEmpty($this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // setAllowedValues()
    ////////////////////////////////////////////////////////////////////////////

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     */
    public function testSetAllowedValuesFailsIfUnknownOption()
    {
        $this->resolver->setAllowedValues('foo', 'bar');
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetAllowedValuesFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->setAllowedValues('bar', 'baz');
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     * @expectedExceptionMessage The option "foo" with value 42 is invalid. Accepted values are: "bar".
     */
    public function testResolveFailsIfInvalidValue()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedValues('foo', 'bar');

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfInvalidValueStrict()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedValues('foo', '42');

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidValue()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', 'bar');

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     * @expectedExceptionMessage The option "foo" with value 42 is invalid. Accepted values are: "bar", false, null.
     */
    public function testResolveFailsIfInvalidValueMultiple()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedValues('foo', array('bar', false, null));

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidValueMultiple()
    {
        $this->resolver->setDefault('foo', 'baz');
        $this->resolver->setAllowedValues('foo', array('bar', 'baz'));

        $this->assertEquals(array('foo' => 'baz'), $this->resolver->resolve());
    }

    public function testResolveFailsIfClosureReturnsFalse()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedValues('foo', function ($value) use (&$passedValue) {
            $passedValue = $value;

            return false;
        });

        try {
            $this->resolver->resolve();
            $this->fail('Should fail');
        } catch (InvalidOptionsException $e) {
        }

        $this->assertSame(42, $passedValue);
    }

    public function testResolveSucceedsIfClosureReturnsTrue()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', function ($value) use (&$passedValue) {
            $passedValue = $value;

            return true;
        });

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
        $this->assertSame('bar', $passedValue);
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfAllClosuresReturnFalse()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedValues('foo', array(
            function () { return false; },
            function () { return false; },
            function () { return false; },
        ));

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfAnyClosureReturnsTrue()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', array(
            function () { return false; },
            function () { return true; },
            function () { return false; },
        ));

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // addAllowedValues()
    ////////////////////////////////////////////////////////////////////////////

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     */
    public function testAddAllowedValuesFailsIfUnknownOption()
    {
        $this->resolver->addAllowedValues('foo', 'bar');
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfAddAllowedValuesFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->addAllowedValues('bar', 'baz');
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfInvalidAddedValue()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->addAllowedValues('foo', 'bar');

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidAddedValue()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->addAllowedValues('foo', 'bar');

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfInvalidAddedValueMultiple()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->addAllowedValues('foo', array('bar', 'baz'));

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfValidAddedValueMultiple()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->addAllowedValues('foo', array('bar', 'baz'));

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testAddAllowedValuesDoesNotOverwrite()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', 'bar');
        $this->resolver->addAllowedValues('foo', 'baz');

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testAddAllowedValuesDoesNotOverwrite2()
    {
        $this->resolver->setDefault('foo', 'baz');
        $this->resolver->setAllowedValues('foo', 'bar');
        $this->resolver->addAllowedValues('foo', 'baz');

        $this->assertEquals(array('foo' => 'baz'), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testResolveFailsIfAllAddedClosuresReturnFalse()
    {
        $this->resolver->setDefault('foo', 42);
        $this->resolver->setAllowedValues('foo', function () { return false; });
        $this->resolver->addAllowedValues('foo', function () { return false; });

        $this->resolver->resolve();
    }

    public function testResolveSucceedsIfAnyAddedClosureReturnsTrue()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', function () { return false; });
        $this->resolver->addAllowedValues('foo', function () { return true; });

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testResolveSucceedsIfAnyAddedClosureReturnsTrue2()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', function () { return true; });
        $this->resolver->addAllowedValues('foo', function () { return false; });

        $this->assertEquals(array('foo' => 'bar'), $this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // setNormalizer()
    ////////////////////////////////////////////////////////////////////////////

    public function testSetNormalizerReturnsThis()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->assertSame($this->resolver, $this->resolver->setNormalizer('foo', function () {}));
    }

    public function testSetNormalizerClosure()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setNormalizer('foo', function () {
            return 'normalized';
        });

        $this->assertEquals(array('foo' => 'normalized'), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException
     */
    public function testSetNormalizerFailsIfUnknownOption()
    {
        $this->resolver->setNormalizer('foo', function () {});
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetNormalizerFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->setNormalizer('foo', function () {});
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    public function testNormalizerReceivesSetOption()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->resolver->setNormalizer('foo', function (Options $options, $value) {
            return 'normalized['.$value.']';
        });

        $this->assertEquals(array('foo' => 'normalized[bar]'), $this->resolver->resolve());
    }

    public function testNormalizerReceivesPassedOption()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->resolver->setNormalizer('foo', function (Options $options, $value) {
            return 'normalized['.$value.']';
        });

        $resolved = $this->resolver->resolve(array('foo' => 'baz'));

        $this->assertEquals(array('foo' => 'normalized[baz]'), $resolved);
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testValidateTypeBeforeNormalization()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->resolver->setAllowedTypes('foo', 'int');

        $this->resolver->setNormalizer('foo', function () {
            \PHPUnit_Framework_Assert::fail('Should not be called.');
        });

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\InvalidOptionsException
     */
    public function testValidateValueBeforeNormalization()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->resolver->setAllowedValues('foo', 'baz');

        $this->resolver->setNormalizer('foo', function () {
            \PHPUnit_Framework_Assert::fail('Should not be called.');
        });

        $this->resolver->resolve();
    }

    public function testNormalizerCanAccessOtherOptions()
    {
        $this->resolver->setDefault('default', 'bar');
        $this->resolver->setDefault('norm', 'baz');

        $this->resolver->setNormalizer('norm', function (Options $options) {
            /* @var \PHPUnit_Framework_TestCase $test */
            \PHPUnit_Framework_Assert::assertSame('bar', $options['default']);

            return 'normalized';
        });

        $this->assertEquals(array(
            'default' => 'bar',
            'norm' => 'normalized',
        ), $this->resolver->resolve());
    }

    public function testNormalizerCanAccessLazyOptions()
    {
        $this->resolver->setDefault('lazy', function (Options $options) {
            return 'bar';
        });
        $this->resolver->setDefault('norm', 'baz');

        $this->resolver->setNormalizer('norm', function (Options $options) {
            /* @var \PHPUnit_Framework_TestCase $test */
            \PHPUnit_Framework_Assert::assertEquals('bar', $options['lazy']);

            return 'normalized';
        });

        $this->assertEquals(array(
            'lazy' => 'bar',
            'norm' => 'normalized',
        ), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\OptionDefinitionException
     */
    public function testFailIfCyclicDependencyBetweenNormalizers()
    {
        $this->resolver->setDefault('norm1', 'bar');
        $this->resolver->setDefault('norm2', 'baz');

        $this->resolver->setNormalizer('norm1', function (Options $options) {
            $options['norm2'];
        });

        $this->resolver->setNormalizer('norm2', function (Options $options) {
            $options['norm1'];
        });

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\OptionDefinitionException
     */
    public function testFailIfCyclicDependencyBetweenNormalizerAndLazyOption()
    {
        $this->resolver->setDefault('lazy', function (Options $options) {
            $options['norm'];
        });

        $this->resolver->setDefault('norm', 'baz');

        $this->resolver->setNormalizer('norm', function (Options $options) {
            $options['lazy'];
        });

        $this->resolver->resolve();
    }

    public function testInvokeEachNormalizerOnlyOnce()
    {
        $calls = 0;

        $this->resolver->setDefault('norm1', 'bar');
        $this->resolver->setDefault('norm2', 'baz');

        $this->resolver->setNormalizer('norm1', function ($options) use (&$calls) {
            \PHPUnit_Framework_Assert::assertSame(1, ++$calls);

            $options['norm2'];
        });
        $this->resolver->setNormalizer('norm2', function () use (&$calls) {
            \PHPUnit_Framework_Assert::assertSame(2, ++$calls);
        });

        $this->resolver->resolve();

        $this->assertSame(2, $calls);
    }

    public function testNormalizerNotCalledForUnsetOptions()
    {
        $this->resolver->setDefined('norm');

        $this->resolver->setNormalizer('norm', function () {
            \PHPUnit_Framework_Assert::fail('Should not be called.');
        });

        $this->assertEmpty($this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // setDefaults()
    ////////////////////////////////////////////////////////////////////////////

    public function testSetDefaultsReturnsThis()
    {
        $this->assertSame($this->resolver, $this->resolver->setDefaults(array('foo', 'bar')));
    }

    public function testSetDefaults()
    {
        $this->resolver->setDefault('one', '1');
        $this->resolver->setDefault('two', 'bar');

        $this->resolver->setDefaults(array(
            'two' => '2',
            'three' => '3',
        ));

        $this->assertEquals(array(
            'one' => '1',
            'two' => '2',
            'three' => '3',
        ), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfSetDefaultsFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->setDefaults(array('two' => '2'));
        });

        $this->resolver->resolve();
    }

    ////////////////////////////////////////////////////////////////////////////
    // remove()
    ////////////////////////////////////////////////////////////////////////////

    public function testRemoveReturnsThis()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame($this->resolver, $this->resolver->remove('foo'));
    }

    public function testRemoveSingleOption()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setDefault('baz', 'boo');
        $this->resolver->remove('foo');

        $this->assertSame(array('baz' => 'boo'), $this->resolver->resolve());
    }

    public function testRemoveMultipleOptions()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setDefault('baz', 'boo');
        $this->resolver->setDefault('doo', 'dam');

        $this->resolver->remove(array('foo', 'doo'));

        $this->assertSame(array('baz' => 'boo'), $this->resolver->resolve());
    }

    public function testRemoveLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            return 'lazy';
        });
        $this->resolver->remove('foo');

        $this->assertSame(array(), $this->resolver->resolve());
    }

    public function testRemoveNormalizer()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setNormalizer('foo', function (Options $options, $value) {
            return 'normalized';
        });
        $this->resolver->remove('foo');
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testRemoveAllowedTypes()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedTypes('foo', 'int');
        $this->resolver->remove('foo');
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testRemoveAllowedValues()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', array('baz', 'boo'));
        $this->resolver->remove('foo');
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfRemoveFromLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->remove('bar');
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    public function testRemoveUnknownOptionIgnored()
    {
        $this->assertNotNull($this->resolver->remove('foo'));
    }

    ////////////////////////////////////////////////////////////////////////////
    // clear()
    ////////////////////////////////////////////////////////////////////////////

    public function testClearReturnsThis()
    {
        $this->assertSame($this->resolver, $this->resolver->clear());
    }

    public function testClearRemovesAllOptions()
    {
        $this->resolver->setDefault('one', 1);
        $this->resolver->setDefault('two', 2);

        $this->resolver->clear();

        $this->assertEmpty($this->resolver->resolve());
    }

    public function testClearLazyOption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            return 'lazy';
        });
        $this->resolver->clear();

        $this->assertSame(array(), $this->resolver->resolve());
    }

    public function testClearNormalizer()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setNormalizer('foo', function (Options $options, $value) {
            return 'normalized';
        });
        $this->resolver->clear();
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testClearAllowedTypes()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedTypes('foo', 'int');
        $this->resolver->clear();
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    public function testClearAllowedValues()
    {
        $this->resolver->setDefault('foo', 'bar');
        $this->resolver->setAllowedValues('foo', 'baz');
        $this->resolver->clear();
        $this->resolver->setDefault('foo', 'bar');

        $this->assertSame(array('foo' => 'bar'), $this->resolver->resolve());
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testFailIfClearFromLazyption()
    {
        $this->resolver->setDefault('foo', function (Options $options) {
            $options->clear();
        });

        $this->resolver->setDefault('bar', 'baz');

        $this->resolver->resolve();
    }

    public function testClearOptionAndNormalizer()
    {
        $this->resolver->setDefault('foo1', 'bar');
        $this->resolver->setNormalizer('foo1', function (Options $options) {
            return '';
        });
        $this->resolver->setDefault('foo2', 'bar');
        $this->resolver->setNormalizer('foo2', function (Options $options) {
            return '';
        });

        $this->resolver->clear();
        $this->assertEmpty($this->resolver->resolve());
    }

    ////////////////////////////////////////////////////////////////////////////
    // ArrayAccess
    ////////////////////////////////////////////////////////////////////////////

    public function testArrayAccess()
    {
        $this->resolver->setDefault('default1', 0);
        $this->resolver->setDefault('default2', 1);
        $this->resolver->setRequired('required');
        $this->resolver->setDefined('defined');
        $this->resolver->setDefault('lazy1', function (Options $options) {
            return 'lazy';
        });

        $this->resolver->setDefault('lazy2', function (Options $options) {
            \PHPUnit_Framework_Assert::assertTrue(isset($options['default1']));
            \PHPUnit_Framework_Assert::assertTrue(isset($options['default2']));
            \PHPUnit_Framework_Assert::assertTrue(isset($options['required']));
            \PHPUnit_Framework_Assert::assertTrue(isset($options['lazy1']));
            \PHPUnit_Framework_Assert::assertTrue(isset($options['lazy2']));
            \PHPUnit_Framework_Assert::assertFalse(isset($options['defined']));

            \PHPUnit_Framework_Assert::assertSame(0, $options['default1']);
            \PHPUnit_Framework_Assert::assertSame(42, $options['default2']);
            \PHPUnit_Framework_Assert::assertSame('value', $options['required']);
            \PHPUnit_Framework_Assert::assertSame('lazy', $options['lazy1']);

            // Obviously $options['lazy'] and $options['defined'] cannot be
            // accessed
        });

        $this->resolver->resolve(array('default2' => 42, 'required' => 'value'));
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testArrayAccessGetFailsOutsideResolve()
    {
        $this->resolver->setDefault('default', 0);

        $this->resolver['default'];
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testArrayAccessExistsFailsOutsideResolve()
    {
        $this->resolver->setDefault('default', 0);

        isset($this->resolver['default']);
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testArrayAccessSetNotSupported()
    {
        $this->resolver['default'] = 0;
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testArrayAccessUnsetNotSupported()
    {
        $this->resolver->setDefault('default', 0);

        unset($this->resolver['default']);
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoSuchOptionException
     * @expectedExceptionMessage The option "undefined" does not exist. Known options are: "foo", "lazy".
     */
    public function testFailIfGetNonExisting()
    {
        $this->resolver->setDefault('foo', 'bar');

        $this->resolver->setDefault('lazy', function (Options $options) {
            $options['undefined'];
        });

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\NoSuchOptionException
     * @expectedExceptionMessage The optional option "defined" has no value set. You should make sure it is set with "isset" before reading it.
     */
    public function testFailIfGetDefinedButUnset()
    {
        $this->resolver->setDefined('defined');

        $this->resolver->setDefault('lazy', function (Options $options) {
            $options['defined'];
        });

        $this->resolver->resolve();
    }

    /**
     * @expectedException \Symfony\Component\OptionsResolver\Exception\OptionDefinitionException
     */
    public function testFailIfCyclicDependency()
    {
        $this->resolver->setDefault('lazy1', function (Options $options) {
            $options['lazy2'];
        });

        $this->resolver->setDefault('lazy2', function (Options $options) {
            $options['lazy1'];
        });

        $this->resolver->resolve();
    }

    ////////////////////////////////////////////////////////////////////////////
    // Countable
    ////////////////////////////////////////////////////////////////////////////

    public function testCount()
    {
        $this->resolver->setDefault('default', 0);
        $this->resolver->setRequired('required');
        $this->resolver->setDefined('defined');
        $this->resolver->setDefault('lazy1', function () {});

        $this->resolver->setDefault('lazy2', function (Options $options) {
            \PHPUnit_Framework_Assert::assertCount(4, $options);
        });

        $this->assertCount(4, $this->resolver->resolve(array('required' => 'value')));
    }

    /**
     * In resolve() we count the options that are actually set (which may be
     * only a subset of the defined options). Outside of resolve(), it's not
     * clear what is counted.
     *
     * @expectedException \Symfony\Component\OptionsResolver\Exception\AccessException
     */
    public function testCountFailsOutsideResolve()
    {
        $this->resolver->setDefault('foo', 0);
        $this->resolver->setRequired('bar');
        $this->resolver->setDefined('bar');
        $this->resolver->setDefault('lazy1', function () {});

        count($this->resolver);
    }
}
