<?php

class Swift_ByteStream_ArrayByteStreamTest extends PHPUnit_Framework_TestCase
{
    public function testReadingSingleBytesFromBaseInput()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);
        $output = array();
        while (false !== $bytes = $bs->read(1)) {
            $output[] = $bytes;
        }
        $this->assertEquals($input, $output,
            '%s: Bytes read from stream should be the same as bytes in constructor'
            );
    }

    public function testReadingMultipleBytesFromBaseInput()
    {
        $input = array('a', 'b', 'c', 'd');
        $bs = $this->_createArrayStream($input);
        $output = array();
        while (false !== $bytes = $bs->read(2)) {
            $output[] = $bytes;
        }
        $this->assertEquals(array('ab', 'cd'), $output,
            '%s: Bytes read from stream should be in pairs'
            );
    }

    public function testReadingOddOffsetOnLastByte()
    {
        $input = array('a', 'b', 'c', 'd', 'e');
        $bs = $this->_createArrayStream($input);
        $output = array();
        while (false !== $bytes = $bs->read(2)) {
            $output[] = $bytes;
        }
        $this->assertEquals(array('ab', 'cd', 'e'), $output,
            '%s: Bytes read from stream should be in pairs except final read'
            );
    }

    public function testSettingPointerPartway()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);
        $bs->setReadPointer(1);
        $this->assertEquals('b', $bs->read(1),
            '%s: Byte should be second byte since pointer as at offset 1'
            );
    }

    public function testResettingPointerAfterExhaustion()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);
        while (false !== $bs->read(1));

        $bs->setReadPointer(0);
        $this->assertEquals('a', $bs->read(1),
            '%s: Byte should be first byte since pointer as at offset 0'
            );
    }

    public function testPointerNeverSetsBelowZero()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);

        $bs->setReadPointer(-1);
        $this->assertEquals('a', $bs->read(1),
            '%s: Byte should be first byte since pointer should be at offset 0'
            );
    }

    public function testPointerNeverSetsAboveStackSize()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);

        $bs->setReadPointer(3);
        $this->assertFalse($bs->read(1),
            '%s: Stream should be at end and thus return false'
            );
    }

    public function testBytesCanBeWrittenToStream()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);

        $bs->write('de');

        $output = array();
        while (false !== $bytes = $bs->read(1)) {
            $output[] = $bytes;
        }
        $this->assertEquals(array('a', 'b', 'c', 'd', 'e'), $output,
            '%s: Bytes read from stream should be from initial stack + written'
            );
    }

    public function testContentsCanBeFlushed()
    {
        $input = array('a', 'b', 'c');
        $bs = $this->_createArrayStream($input);

        $bs->flushBuffers();

        $this->assertFalse($bs->read(1),
            '%s: Contents have been flushed so read() should return false'
            );
    }

    public function testConstructorCanTakeStringArgument()
    {
        $bs = $this->_createArrayStream('abc');
        $output = array();
        while (false !== $bytes = $bs->read(1)) {
            $output[] = $bytes;
        }
        $this->assertEquals(array('a', 'b', 'c'), $output,
            '%s: Bytes read from stream should be the same as bytes in constructor'
            );
    }

    public function testBindingOtherStreamsMirrorsWriteOperations()
    {
        $bs = $this->_createArrayStream('');
        $is1 = $this->getMockBuilder('Swift_InputByteStream')->getMock();
        $is2 = $this->getMockBuilder('Swift_InputByteStream')->getMock();

        $is1->expects($this->at(0))
            ->method('write')
            ->with('x');
        $is1->expects($this->at(1))
            ->method('write')
            ->with('y');
        $is2->expects($this->at(0))
            ->method('write')
            ->with('x');
        $is2->expects($this->at(1))
            ->method('write')
            ->with('y');

        $bs->bind($is1);
        $bs->bind($is2);

        $bs->write('x');
        $bs->write('y');
    }

    public function testBindingOtherStreamsMirrorsFlushOperations()
    {
        $bs = $this->_createArrayStream('');
        $is1 = $this->getMockBuilder('Swift_InputByteStream')->getMock();
        $is2 = $this->getMockBuilder('Swift_InputByteStream')->getMock();

        $is1->expects($this->once())
            ->method('flushBuffers');
        $is2->expects($this->once())
            ->method('flushBuffers');

        $bs->bind($is1);
        $bs->bind($is2);

        $bs->flushBuffers();
    }

    public function testUnbindingStreamPreventsFurtherWrites()
    {
        $bs = $this->_createArrayStream('');
        $is1 = $this->getMockBuilder('Swift_InputByteStream')->getMock();
        $is2 = $this->getMockBuilder('Swift_InputByteStream')->getMock();

        $is1->expects($this->at(0))
            ->method('write')
            ->with('x');
        $is1->expects($this->at(1))
            ->method('write')
            ->with('y');
        $is2->expects($this->once())
            ->method('write')
            ->with('x');

        $bs->bind($is1);
        $bs->bind($is2);

        $bs->write('x');

        $bs->unbind($is2);

        $bs->write('y');
    }

    private function _createArrayStream($input)
    {
        return new Swift_ByteStream_ArrayByteStream($input);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODQ1NzQ4NTkyMjA0OTk4NiA2NDIwOTI3MzM0NzMzODY5IDM0NzIxNTg5ODk4NjEzODM=