<?php

class PHPParser_Tests_Builder_ParamTest extends PHPUnit_Framework_TestCase
{
    public function createParamBuilder($name) {
        return new PHPParser_Builder_Param($name);
    }

    /**
     * @dataProvider provideTestDefaultValues
     */
    public function testDefaultValues($value, $expectedValueNode) {
        $node = $this->createParamBuilder('test')
            ->setDefault($value)
            ->getNode()
        ;

        $this->assertEquals($expectedValueNode, $node->default);
    }

    public function provideTestDefaultValues() {
        return array(
            array(
                null,
                new PHPParser_Node_Expr_ConstFetch(new PHPParser_Node_Name('null'))
            ),
            array(
                true,
                new PHPParser_Node_Expr_ConstFetch(new PHPParser_Node_Name('true'))
            ),
            array(
                false,
                new PHPParser_Node_Expr_ConstFetch(new PHPParser_Node_Name('false'))
            ),
            array(
                31415,
                new PHPParser_Node_Scalar_LNumber(31415)
            ),
            array(
                3.1415,
                new PHPParser_Node_Scalar_DNumber(3.1415)
            ),
            array(
                'Hallo World',
                new PHPParser_Node_Scalar_String('Hallo World')
            ),
            array(
                new PHPParser_Node_Scalar_DirConst,
                new PHPParser_Node_Scalar_DirConst
            )
        );
    }

    public function testTypeHints() {
        $node = $this->createParamBuilder('test')
            ->setTypeHint('array')
            ->getNode()
        ;

        $this->assertEquals(
            new PHPParser_Node_Param('test', null, 'array'),
            $node
        );

        $node = $this->createParamBuilder('test')
            ->setTypeHint('callable')
            ->getNode()
        ;

        $this->assertEquals(
            new PHPParser_Node_Param('test', null, 'callable'),
            $node
        );

        $node = $this->createParamBuilder('test')
            ->setTypeHint('Some\Class')
            ->getNode()
        ;

        $this->assertEquals(
            new PHPParser_Node_Param('test', null, new PHPParser_Node_Name('Some\Class')),
            $node
        );
    }

    public function testByRef() {
        $node = $this->createParamBuilder('test')
            ->makeByRef()
            ->getNode()
        ;

        $this->assertEquals(
            new PHPParser_Node_Param('test', null, null, true),
            $node
        );
    }
}