<?php

namespace FG\Test\ASN1;

use FG\ASN1\ExplicitlyTaggedObject;
use FG\ASN1\Identifier;
use FG\ASN1\IdentifierManager;
use FG\ASN1\Universal\Boolean;
use FG\ASN1\Universal\Integer;
use FG\ASN1\Universal\PrintableString;
use FG\Test\ASN1TestCase;

class ExplicitlyTaggedObjectTest extends ASN1TestCase
{
    public function testGetIdentifier()
    {
        $asn                = ExplicitlyTaggedObject::create(0x1E, PrintableString::createFromString('test'));
        $expectedIdentifier = IdentifierManager::create(Identifier::CLASS_CONTEXT_SPECIFIC, true, 0x1E);
        $this->assertEquals($expectedIdentifier, $asn->getIdentifier()->getBinary());
    }

    public function testGetTag()
    {
        $object = ExplicitlyTaggedObject::create(0, PrintableString::createFromString('test'));
        $this->assertEquals(0, $object->getIdentifier()->getTagNumber());

        $object = ExplicitlyTaggedObject::create(1, PrintableString::createFromString('test'));
        $this->assertEquals(1, $object->getIdentifier()->getTagNumber());
    }

    public function testGetLength()
    {
        $string = PrintableString::createFromString('test');
        $object = ExplicitlyTaggedObject::create(0, $string);
        $this->assertEquals($string->getObjectLength() + 2, $object->getObjectLength());
    }

    public function testGetContent()
    {
        $string = PrintableString::createFromString('test');
        $object = ExplicitlyTaggedObject::create(0, $string);
        $this->assertEquals([$string], $object->getChildren());
    }

    public function testGetBinary()
    {
        $tag = 0x01;
        $string = PrintableString::createFromString('test');
        $expectedType = IdentifierManager::create(Identifier::CLASS_CONTEXT_SPECIFIC, true, $tag);
        $expectedLength = chr($string->getObjectLength());

        $encodedStringObject = $string->getBinary();
        $object = ExplicitlyTaggedObject::create($tag, $string);
        $this->assertBinaryEquals($expectedType.$expectedLength.$encodedStringObject, $object->getBinary());
    }

    /**
     * @dataProvider getTags
     * @depends testGetBinary
     */
    public function testFromBinary($originalTag)
    {
        $originalStringObject = PrintableString::createFromString('test');
        $originalObject = ExplicitlyTaggedObject::create($originalTag, $originalStringObject);
        $binaryData = $originalObject->getBinary();

        $parsedObject = ExplicitlyTaggedObject::fromBinary($binaryData);
        $this->assertEquals($originalObject, $parsedObject);
    }

    public function getTags()
    {
        return [
            [0x02],
            [0x00004002],
        ];
    }

    public function testFromBinaryWithZeroContent()
    {
        $data   = hex2bin('A000');
        $object = ExplicitlyTaggedObject::fromBinary($data);
        $this->assertEquals(2, $object->getObjectLength());
        $this->assertEquals([], $object->getChildren());
        $this->assertEquals('[0]', (string) $object->__toString());
        $this->assertEquals($data, $object->getBinary());
    }

    public function testFromBinaryWithMultipleObjects()
    {
        $object1 = Boolean::create(true);
        $object2 = Integer::create(42);

        $identifier = 0xA0;
        $length = $object1->getObjectLength() + $object2->getObjectLength();
        $data = chr($identifier).chr($length).$object1->getBinary().$object2->getBinary();

        $object = ExplicitlyTaggedObject::fromBinary($data);
        $this->assertEquals(2+$length, $object->getObjectLength());
        $this->assertEquals($data, $object->getBinary());
    }

    public function testDecorated()
    {
        $object1 = Boolean::create(true);
        $object2 = Integer::create(42);
        $identifier = 0xA0;

        // SHORT_FORM
        $length = $object1->getObjectLength() + $object2->getObjectLength();
        $data = chr($identifier) . chr($length) . $object1->getBinary() . $object2->getBinary();
        $object = ExplicitlyTaggedObject::fromBinary($data);
        $decoratedData = $object->getDecoratedObject(0, Identifier::CLASS_CONTEXT_SPECIFIC, true)->getBinary();
        $this->assertEquals($data, $decoratedData);

        // INDEFINITE_FORM
        $dataEoc = chr($identifier) . chr(128) . $object1->getBinary() . $object2->getBinary() . chr(0) . chr(0);
        $object = ExplicitlyTaggedObject::fromBinary($dataEoc);
        $decoratedData = $object->getDecoratedObject(0, Identifier::CLASS_CONTEXT_SPECIFIC, true)->getBinary();
        $this->assertEquals($dataEoc, $decoratedData);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjQ3ODkyMDY3MjQ1ODQyOCA5MzgyMjczMTQ3ODc3NzQ2IDgwNzI2NDMxMzI3NTk5NzA=