Tests\PHPSA\Expression\AssignOp\MinusTest

Complexity

Total Complexity

6

Size/Duplication

Total Lines	112
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	testMinusResultIntDataProvider()	0	16	1
A	testMinusResultInt()	0	13	1
A	testMinusResultDoubleDataProvider()	0	12	1
A	testMinusResultDouble()	0	13	1
A	testFirstUnexpectedType()	0	12	1
A	testSecondUnexpectedType()	0	12	1

<?php

namespace Tests\PHPSA\Expression\AssignOp;

use PhpParser\Node;
use PHPSA\CompiledExpression;
use PHPSA\Compiler\Expression;

class MinusTest extends \Tests\PHPSA\TestCase
{
    /**
     * Data provider for {var} -= {expr} with result type = int
     *
     * @return array
     */
    public function testMinusResultIntDataProvider()
    {
        return array(
            array(2, 2, 0),
            array(true, 2, -1),
            array(3, true, 2),
            array(true, true, 0),
            array(2, 0, 2),
            array(-1, 1, -2),
            array(false, 3, -3),
            array(2, false, 2),
            array(false, false, 0),
            array(0, 0, 0),
            array(true, false, 1),
        );
    }

    /**
     * Tests {var} -= {expr} with result type = int
     *
     * @dataProvider testMinusResultIntDataProvider
     */
    public function testMinusResultInt($a, $b, $c)
    {

        $baseExpression = new Node\Expr\AssignOp\Minus(
            $this->newScalarExpr($a),
            $this->newScalarExpr($b)
        );
        $compiledExpression = $this->compileExpression($baseExpression);

        $this->assertInstanceOfCompiledExpression($compiledExpression);
        $this->assertSame(CompiledExpression::INTEGER, $compiledExpression->getType());
        $this->assertSame($c, $compiledExpression->getValue());
    }

    /**
     * Data provider for {var} -= {expr} with result type = double
     *
     * @return array
     */
    public function testMinusResultDoubleDataProvider()
    {
        return array(
            array(2, 1.5, 0.5),
            array(1.5, 2, -0.5),
            array(true, 1.5, -0.5),
            array(false, 1.5, -1.5),
            array(1.5, false, 1.5),
            array(1.5, true, 0.5),
            array(-1.5, 1, -2.5),
        );
    }

    /**
     * Tests {var} -= {expr} with result type = double
     *
     * @dataProvider testMinusResultDoubleDataProvider
     */
    public function testMinusResultDouble($a, $b, $c)
    {

        $baseExpression = new Node\Expr\AssignOp\Minus(
            $this->newScalarExpr($a),
            $this->newScalarExpr($b)
        );
        $compiledExpression = $this->compileExpression($baseExpression);

        $this->assertInstanceOfCompiledExpression($compiledExpression);
        $this->assertSame(CompiledExpression::DOUBLE, $compiledExpression->getType());
        $this->assertSame($c, $compiledExpression->getValue());
    }

    /**
     * Tests {var-type::UNKNOWN} -= {right-expr}
     */
    public function testFirstUnexpectedType()
    {
        $baseExpression = new Node\Expr\AssignOp\Minus(
            $this->newFakeScalarExpr(),
            $this->newScalarExpr(1)
        );
        $compiledExpression = $this->compileExpression($baseExpression);

        $this->assertInstanceOfCompiledExpression($compiledExpression);
        $this->assertSame(CompiledExpression::UNKNOWN, $compiledExpression->getType());
        $this->assertSame(null, $compiledExpression->getValue());
    }

    /**
     * Tests {var} -= {right-expr::UNKNOWN}
     */
    public function testSecondUnexpectedType()
    {
        $baseExpression = new Node\Expr\AssignOp\Minus(
            $this->newScalarExpr(1),
            $this->newFakeScalarExpr()
        );
        $compiledExpression = $this->compileExpression($baseExpression);

        $this->assertInstanceOfCompiledExpression($compiledExpression);
        $this->assertSame(CompiledExpression::UNKNOWN, $compiledExpression->getType());
        $this->assertSame(null, $compiledExpression->getValue());
    }
}