/**
* Test if the parse method returns the `OperandNode` with the correct number.
*/
public function testParseReturnsNodeWithCorrectNumber()
{
$number = mt_rand(1, 100);
$tokenStream = new TokenStream();
$tokenStream->push(new Token(Lexer::T_NUMBER, $number, 1));
$tokenStream->rewind();
$operand = new NumberOperand();
$node = $operand->parse(new Grammar(), $tokenStream);
$this->assertSame($number, $node->evaluate());
}
/**
* Test if the `parse` method throws an exception if the closing parentheses is missing
* and the end of the stream is reached.
*
* @expectedException \com\mohiva\common\exceptions\SyntaxErrorException
*/
public function testParseThrowsExceptionIfEndOfStreamIsReached()
{
$tokenStream = new TokenStream();
$tokenStream->push(new Token(Lexer::T_OPEN_PARENTHESIS, '(', 1));
$tokenStream->push(new Token(Lexer::T_NUMBER, 100, 1));
$tokenStream->rewind();
$grammar = new Grammar();
$grammar->addOperand(new NumberOperand());
$operand = new ParenthesesOperand();
$operand->parse($grammar, $tokenStream);
}
/**
* Data provider which returns a TokenStream instance.
*
* @return array An array containing a TokenStream instance.
*/
public function tokenStreamProvider()
{
// user.name.split(" ").join("-")
$stream = new TokenStream();
$stream->push(new TestToken(self::T_NAME));
$stream->push(new TestToken(self::T_POINT));
$stream->push(new TestToken(self::T_NAME));
$stream->push(new TestToken(self::T_POINT));
$stream->push(new TestToken(self::T_NAME));
$stream->push(new TestToken(self::T_OPEN_PARENTHESIS));
$stream->push(new TestToken(self::T_VALUE));
$stream->push(new TestToken(self::T_CLOSE_PARENTHESIS));
$stream->push(new TestToken(self::T_POINT));
$stream->push(new TestToken(self::T_NAME));
$stream->push(new TestToken(self::T_OPEN_PARENTHESIS));
$stream->push(new TestToken(self::T_VALUE));
$stream->push(new TestToken(self::T_CLOSE_PARENTHESIS));
$stream->rewind();
return array(array($stream));
}