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<?php
class ExpressionTest extends MediaWikiTestCase {
/**
* @var ExprParser
*/
protected $parser;
protected function setUp() {
parent::setUp();
$this->parser = new ExprParser();
}
/**
* @dataProvider provideExpressions
*/
function testExpression( $input, $expected ) {
$this->assertEquals(
$expected,
$this->parser->doExpression( $input )
);
}
function provideExpressions() {
return array(
array( '1 or 0', '1' ),
array( 'not (1 and 0)', '1' ),
array( 'not 0', '1' ),
array( '4 < 5', '1' ),
array( '-5 < 2', '1' ),
array( '-2 <= -2', '1' ),
array( '4 > 3', '1' ),
array( '4 > -3', '1' ),
array( '5 >= 2', '1' ),
array( '2 >= 2', '1' ),
array( '1 != 2', '1' ),
array( '-4 * -4 = 4 * 4', '1' ),
array( 'not (1 != 1)', '1' ),
array( '1 + 1', '2' ),
array( '-1 + 1', '0' ),
array( '+1 + 1', '2' ),
array( '4 * 4', '16' ),
array( '(1/3) * 3', '1' ),
array( '3 / 1.5', '2' ),
array( '3 / 0.2', '15' ),
array( '3 / ( 2.0 * 0.1 )', '15' ),
array( '3 / ( 2.0 / 10 )', '15' ),
array( '3 / (- 0.2 )', '-15' ),
array( '3 / abs( 0.2 )', '15' ),
array( '3 mod 2', '1' ),
array( '1e4', '10000' ),
array( '1e-2', '0.01' ),
array( '4.0 round 0', '4' ),
array( 'ceil 4', '4' ),
array( 'floor 4', '4' ),
array( '4.5 round 0', '5' ),
array( '4.2 round 0', '4' ),
array( '-4.2 round 0', '-4' ),
array( '-4.5 round 0', '-5' ),
array( '-2.0 round 0', '-2' ),
array( 'ceil -3', '-3' ),
array( 'floor -6.0', '-6' ),
array( 'ceil 4.2', '5' ),
array( 'ceil -4.5', '-4' ),
array( 'floor -4.5', '-5' ),
array( 'abs(-2)', '2' ),
array( 'ln(exp(1))', '1' ),
array( 'trunc(4.5)', '4' ),
array( 'trunc(-4.5)', '-4' ),
array( '123 fmod (2^64-1)', '123' ),
array( '5.7 mod 1.3', '0' ),
array( '5.7 fmod 1.3', '0.5' ),
);
}
}
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