2013-08-03 14:47:47 +04:00
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<?php
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/**
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* This file is part of the MathExecutor package
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*
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* (c) Alexander Kiryukhin
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code
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*/
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namespace NXP\Tests;
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2018-10-24 21:16:11 +03:00
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use NXP\MathExecutor;
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use NXP\Exception\DivisionByZeroException;
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use NXP\Exception\IncorrectBracketsException;
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use NXP\Exception\IncorrectExpressionException;
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use NXP\Exception\MathExecutorException;
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use NXP\Exception\UnknownFunctionException;
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use NXP\Exception\UnknownOperatorException;
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use NXP\Exception\UnknownTokenException;
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use NXP\Exception\UnknownVariableException;
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2013-08-03 14:47:47 +04:00
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2019-10-31 05:14:36 +03:00
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class MathTest extends \PHPUnit\Framework\TestCase
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2013-08-03 14:47:47 +04:00
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{
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/**
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* @dataProvider providerExpressions
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*/
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public function testCalculating($expression)
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{
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$calculator = new MathExecutor();
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/** @var float $phpResult */
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eval('$phpResult = ' . $expression . ';');
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2019-01-12 07:48:43 +03:00
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$this->assertEquals($phpResult, $calculator->execute($expression), "Expression was: ${expression}");
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2013-08-03 14:47:47 +04:00
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}
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/**
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* Expressions data provider
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2020-02-08 01:45:33 +03:00
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*
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* Most tests can go in here. The idea is that each expression will be evaluated by MathExecutor and by PHP with eval.
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* The results should be the same. If they are not, then the test fails. No need to add extra test unless you are doing
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* something more complete and not a simple mathmatical expression.
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2013-08-03 14:47:47 +04:00
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*/
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public function providerExpressions()
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{
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2018-09-12 18:55:31 +03:00
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return [
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2019-08-16 17:27:44 +03:00
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['-5'],
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['-5+10'],
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['4-5'],
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['4 -5'],
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['(4*2)-5'],
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['(4*2) - 5'],
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['4*-5'],
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['4 * -5'],
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2019-11-27 20:39:25 +03:00
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['abs(1.5)'],
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['acos(0.15)'],
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['acosh(1.5)'],
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['asin(0.15)'],
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['atan(0.15)'],
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['atan2(1.5, 3.5)'],
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['atanh(0.15)'],
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['bindec("10101")'],
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['ceil(1.5)'],
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['cos(1.5)'],
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['cosh(1.5)'],
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['decbin("15")'],
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['dechex("15")'],
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['decoct("15")'],
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['deg2rad(1.5)'],
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['exp(1.5)'],
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['expm1(1.5)'],
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['floor(1.5)'],
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['fmod(1.5, 3.5)'],
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['hexdec("abcdef")'],
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['hypot(1.5, 3.5)'],
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['intdiv(10, 2)'],
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['log(1.5)'],
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2019-12-01 02:41:36 +03:00
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['log10(1.5)'],
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2019-11-27 20:39:25 +03:00
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['log1p(1.5)'],
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['max(1.5, 3.5)'],
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['min(1.5, 3.5)'],
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2019-12-01 02:41:36 +03:00
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['octdec("15")'],
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2019-11-27 20:39:25 +03:00
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['pi()'],
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['pow(1.5, 3.5)'],
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['rad2deg(1.5)'],
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['round(1.5)'],
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['sin(1.5)'],
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['sinh(1.5)'],
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['sqrt(1.5)'],
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2019-12-01 02:41:36 +03:00
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['tan(1.5)'],
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2019-11-27 20:39:25 +03:00
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['tanh(1.5)'],
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Logicandcompare (#50)
* TokenFactory: allowing multicharacter tokens
* Added logical and compare operators: <, <=, >, >=, ==, !=, ||, &&
* Fixed operator priorities
* Error messages fixes
* Fixed operators priority
The priorities are assigned by following the php language standard
(https://www.php.net/manual/en/language.operators.precedence.php)
I've assigned precedence in steps of 10 units by following the linked page:
230 clone new
220 **
210 ++ -- ~ (int) (float) (string) (array) (object) (bool) @
200 instanceof
190 !
180 * / %
170 + - .
160 << >>
150 < <= > >=
140 == != === !== <> <=>
130 &
120 ^
110 |
100 &&
90 ||
80 ??
70 ? :
60 = += -= *= **= /= .= %= &= |= ^= <<= >>=
50 yield from
40 yield
30 and
20 xor
10 or
* Added if() function
* Cache key fix
There are cases where the cache key creation raised an error, for example
while evaluating the expression "if(cos(2), cos(2), 0)", because the
if() function was passing a float to the MathExecutor:execute() method.
2019-11-26 17:00:24 +03:00
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2018-09-12 18:55:31 +03:00
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['0.1 + 0.2'],
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['1 + 2'],
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2013-08-03 14:47:47 +04:00
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2018-09-12 18:55:31 +03:00
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['0.1 - 0.2'],
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['1 - 2'],
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2013-08-03 14:47:47 +04:00
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2018-09-12 18:55:31 +03:00
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['0.1 * 2'],
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['1 * 2'],
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2013-08-03 14:47:47 +04:00
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2018-09-12 18:55:31 +03:00
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['0.1 / 0.2'],
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['1 / 2'],
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2013-08-03 14:47:47 +04:00
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2018-09-12 18:55:31 +03:00
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['2 * 2 + 3 * 3'],
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Logicandcompare (#50)
* TokenFactory: allowing multicharacter tokens
* Added logical and compare operators: <, <=, >, >=, ==, !=, ||, &&
* Fixed operator priorities
* Error messages fixes
* Fixed operators priority
The priorities are assigned by following the php language standard
(https://www.php.net/manual/en/language.operators.precedence.php)
I've assigned precedence in steps of 10 units by following the linked page:
230 clone new
220 **
210 ++ -- ~ (int) (float) (string) (array) (object) (bool) @
200 instanceof
190 !
180 * / %
170 + - .
160 << >>
150 < <= > >=
140 == != === !== <> <=>
130 &
120 ^
110 |
100 &&
90 ||
80 ??
70 ? :
60 = += -= *= **= /= .= %= &= |= ^= <<= >>=
50 yield from
40 yield
30 and
20 xor
10 or
* Added if() function
* Cache key fix
There are cases where the cache key creation raised an error, for example
while evaluating the expression "if(cos(2), cos(2), 0)", because the
if() function was passing a float to the MathExecutor:execute() method.
2019-11-26 17:00:24 +03:00
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['2 * 2 / 3 * 3'],
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['2 / 2 / 3 / 3'],
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['2 / 2 * 3 / 3'],
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['2 / 2 * 3 * 3'],
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2013-09-06 05:42:09 +04:00
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2018-09-12 18:55:31 +03:00
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['1 + 0.6 - 3 * 2 / 50'],
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2013-09-06 05:42:09 +04:00
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2018-09-12 18:55:31 +03:00
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['(5 + 3) * -1'],
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2013-09-06 05:42:09 +04:00
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2018-10-25 18:42:11 +03:00
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['2- 2*2'],
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['2-(2*2)'],
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['(2- 2)*2'],
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['2 + 2*2'],
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['2+ 2*2'],
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2018-10-30 23:16:01 +03:00
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['2+2*2'],
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2018-09-12 18:55:31 +03:00
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['(2+2)*2'],
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2018-10-25 18:42:11 +03:00
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['(2 + 2)*-2'],
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2018-09-12 18:55:31 +03:00
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['(2+-2)*2'],
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2013-09-06 05:42:09 +04:00
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2018-11-26 17:25:33 +03:00
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['1 + 2 * 3 / (min(1, 5) + 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) - 2 + 5)'],
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['1 + 2 * 3 / (min(1, 5) * 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 + 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 * 1)'],
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['1 + 2 * 3 / (min(1, 5) / 2 / 1)'],
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['1 + 2 * 3 / (3 + min(1, 5) + 2 + 1)'],
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['1 + 2 * 3 / (3 - min(1, 5) - 2 + 1)'],
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['1 + 2 * 3 / (3 * min(1, 5) * 2 + 1)'],
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['1 + 2 * 3 / (3 / min(1, 5) / 2 + 1)'],
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Logicandcompare (#50)
* TokenFactory: allowing multicharacter tokens
* Added logical and compare operators: <, <=, >, >=, ==, !=, ||, &&
* Fixed operator priorities
* Error messages fixes
* Fixed operators priority
The priorities are assigned by following the php language standard
(https://www.php.net/manual/en/language.operators.precedence.php)
I've assigned precedence in steps of 10 units by following the linked page:
230 clone new
220 **
210 ++ -- ~ (int) (float) (string) (array) (object) (bool) @
200 instanceof
190 !
180 * / %
170 + - .
160 << >>
150 < <= > >=
140 == != === !== <> <=>
130 &
120 ^
110 |
100 &&
90 ||
80 ??
70 ? :
60 = += -= *= **= /= .= %= &= |= ^= <<= >>=
50 yield from
40 yield
30 and
20 xor
10 or
* Added if() function
* Cache key fix
There are cases where the cache key creation raised an error, for example
while evaluating the expression "if(cos(2), cos(2), 0)", because the
if() function was passing a float to the MathExecutor:execute() method.
2019-11-26 17:00:24 +03:00
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['(1 + 2) * 3 / (3 / min(1, 5) / 2 + 1)'],
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2018-09-12 18:55:31 +03:00
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['sin(10) * cos(50) / min(10, 20/2)'],
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2018-11-26 17:25:33 +03:00
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['sin(10) * cos(50) / min(10, (20/2))'],
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['sin(10) * cos(50) / min(10, (max(10,20)/2))'],
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2013-09-06 16:43:45 +04:00
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2018-09-12 18:55:31 +03:00
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['100500 * 3.5E5'],
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['100500 * 3.5E-5'],
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2018-10-25 18:42:11 +03:00
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2018-10-30 23:16:01 +03:00
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['1 + "2" / 3'],
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["1.5 + '2.5' / 4"],
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['1.5 + "2.5" * ".5"'],
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2018-10-25 18:42:11 +03:00
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['-1 + -2'],
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['-1+-2'],
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['-1- -2'],
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['-1/-2'],
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['-1*-2'],
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2019-08-16 17:27:44 +03:00
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['(1+2+3+4-5)*7/100'],
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['(1+2+3+4- 5)*7/100'],
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['( 1 + 2 + 3 + 4 - 5 ) * 7 / 100'],
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Logicandcompare (#50)
* TokenFactory: allowing multicharacter tokens
* Added logical and compare operators: <, <=, >, >=, ==, !=, ||, &&
* Fixed operator priorities
* Error messages fixes
* Fixed operators priority
The priorities are assigned by following the php language standard
(https://www.php.net/manual/en/language.operators.precedence.php)
I've assigned precedence in steps of 10 units by following the linked page:
230 clone new
220 **
210 ++ -- ~ (int) (float) (string) (array) (object) (bool) @
200 instanceof
190 !
180 * / %
170 + - .
160 << >>
150 < <= > >=
140 == != === !== <> <=>
130 &
120 ^
110 |
100 &&
90 ||
80 ??
70 ? :
60 = += -= *= **= /= .= %= &= |= ^= <<= >>=
50 yield from
40 yield
30 and
20 xor
10 or
* Added if() function
* Cache key fix
There are cases where the cache key creation raised an error, for example
while evaluating the expression "if(cos(2), cos(2), 0)", because the
if() function was passing a float to the MathExecutor:execute() method.
2019-11-26 17:00:24 +03:00
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['1 && 0'],
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['1 && 0 && 1'],
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['1 || 0'],
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['1 && 0 || 1'],
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['5 == 3'],
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['5 == 5'],
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['5 != 3'],
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['5 != 5'],
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['5 > 3'],
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['3 > 5'],
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['3 >= 5'],
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['3 >= 3'],
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['3 < 5'],
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['5 < 3'],
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['3 <= 5'],
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['5 <= 5'],
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['10 < 9 || 4 > (2+1)'],
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['10 < 9 || 4 > (2+1) && 5 == 5 || 4 != 6 || 3 >= 4 || 3 <= 7'],
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['1 + 5 == 3 + 1'],
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['1 + 5 == 5 + 1'],
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['1 + 5 != 3 + 1'],
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['1 + 5 != 5 + 1'],
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['1 + 5 > 3 + 1'],
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['1 + 3 > 5 + 1'],
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['1 + 3 >= 5 + 1'],
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['1 + 3 >= 3 + 1'],
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['1 + 3 < 5 + 1'],
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['1 + 5 < 3 + 1'],
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['1 + 3 <= 5 + 1'],
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['1 + 5 <= 5 + 1'],
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2020-02-08 01:45:33 +03:00
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['(-4)'],
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['(-4 + 5)'],
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['1 - 0'],
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['1-0'],
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2018-09-12 18:55:31 +03:00
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];
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2013-08-03 14:47:47 +04:00
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}
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2013-09-18 20:34:51 +04:00
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2018-10-30 23:16:01 +03:00
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public function testUnknownFunctionException()
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{
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$calculator = new MathExecutor();
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$this->expectException(UnknownFunctionException::class);
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$calculator->execute('1 * fred("wilma") + 3');
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}
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public function testIncorrectExpressionException()
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{
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$calculator = new MathExecutor();
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$this->expectException(IncorrectExpressionException::class);
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$calculator->execute('1 * + ');
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}
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public function testZeroDivision()
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{
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$calculator = new MathExecutor();
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2019-01-12 07:48:43 +03:00
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$this->assertEquals(0, $calculator->execute('10 / 0'));
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2018-10-30 23:16:01 +03:00
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}
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public function testZeroDivisionException()
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{
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$calculator = new MathExecutor();
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$calculator->setDivisionByZeroException();
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$this->expectException(DivisionByZeroException::class);
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$calculator->execute('10 / 0');
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}
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public function testExponentiation()
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{
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$calculator = new MathExecutor();
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2019-01-12 07:48:43 +03:00
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$this->assertEquals(100, $calculator->execute('10 ^ 2'));
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2018-10-30 23:16:01 +03:00
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}
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2019-01-12 07:48:43 +03:00
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public function testFunctionParameterOrder()
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2019-01-16 04:04:16 +03:00
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{
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$calculator = new MathExecutor();
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2019-01-16 04:12:24 +03:00
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$calculator->addFunction('concat', function ($arg1, $arg2) {return $arg1.$arg2;});
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2019-01-16 04:04:16 +03:00
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$this->assertEquals('testing', $calculator->execute('concat("test","ing")'));
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$this->assertEquals('testing', $calculator->execute("concat('test','ing')"));
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}
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2019-01-12 07:48:43 +03:00
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2013-09-18 20:34:51 +04:00
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public function testFunction()
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{
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$calculator = new MathExecutor();
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2019-01-12 07:48:43 +03:00
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$calculator->addFunction('round', function ($arg) {return round($arg);});
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2019-01-16 02:36:10 +03:00
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$this->assertEquals(round(100/30), $calculator->execute('round(100/30)'));
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2013-09-18 20:34:51 +04:00
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}
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2019-01-11 04:18:10 +03:00
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|
Logicandcompare (#50)
* TokenFactory: allowing multicharacter tokens
* Added logical and compare operators: <, <=, >, >=, ==, !=, ||, &&
* Fixed operator priorities
* Error messages fixes
* Fixed operators priority
The priorities are assigned by following the php language standard
(https://www.php.net/manual/en/language.operators.precedence.php)
I've assigned precedence in steps of 10 units by following the linked page:
230 clone new
220 **
210 ++ -- ~ (int) (float) (string) (array) (object) (bool) @
200 instanceof
190 !
180 * / %
170 + - .
160 << >>
150 < <= > >=
140 == != === !== <> <=>
130 &
120 ^
110 |
100 &&
90 ||
80 ??
70 ? :
60 = += -= *= **= /= .= %= &= |= ^= <<= >>=
50 yield from
40 yield
30 and
20 xor
10 or
* Added if() function
* Cache key fix
There are cases where the cache key creation raised an error, for example
while evaluating the expression "if(cos(2), cos(2), 0)", because the
if() function was passing a float to the MathExecutor:execute() method.
2019-11-26 17:00:24 +03:00
|
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public function testFunctionIf()
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{
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$calculator = new MathExecutor();
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$this->assertEquals(30, $calculator->execute(
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'if(100 > 99, 30, 0)'));
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$this->assertEquals(0, $calculator->execute(
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'if(100 < 99, 30, 0)'));
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$this->assertEquals(30, $calculator->execute(
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'if(98 < 99 && sin(1) < 1, 30, 0)'));
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$this->assertEquals(40, $calculator->execute(
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'if(98 < 99 && sin(1) < 1, max(30, 40), 0)'));
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$this->assertEquals(40, $calculator->execute(
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'if(98 < 99 && sin(1) < 1, if(10 > 5, max(30, 40), 1), 0)'));
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$this->assertEquals(20, $calculator->execute(
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'if(98 < 99 && sin(1) > 1, if(10 > 5, max(30, 40), 1), if(4 <= 4, 20, 21))'));
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$this->assertEquals(cos(2), $calculator->execute(
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'if(98 < 99 && sin(1) >= 1, max(30, 40), cos(2))'));
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$this->assertEquals(cos(2), $calculator->execute(
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'if(cos(2), cos(2), 0)'));
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}
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2019-01-16 04:04:16 +03:00
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public function testEvaluateFunctionParameters()
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{
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$calculator = new MathExecutor();
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$calculator->addFunction('round', function ($value, $decimals)
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{
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return round($value, $decimals);
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}
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);
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$expression = 'round(100 * 1.111111, 2)';
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eval('$phpResult = ' . $expression . ';');
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$this->assertEquals($phpResult, $calculator->execute($expression));
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$expression = 'round((100*0.04)+(((100*1.02)+0.5)*1.28),2)';
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eval('$phpResult = ' . $expression . ';');
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$this->assertEquals($phpResult, $calculator->execute($expression));
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}
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|
2019-08-16 17:27:44 +03:00
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public function testFunctionsWithQuotes()
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{
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$calculator = new MathExecutor();
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$calculator->addFunction('concat', function($first, $second){return $first.$second;});
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$this->assertEquals('testing', $calculator->execute('concat("test", "ing")'));
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$this->assertEquals('testing', $calculator->execute("concat('test', 'ing')"));
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}
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2019-01-11 04:18:10 +03:00
|
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public function testQuotes()
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{
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$calculator = new MathExecutor();
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$testString = "some, long. arg; with: different-separators!";
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2019-01-16 02:36:10 +03:00
|
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$calculator->addFunction('test', function ($arg) use ($testString)
|
2019-01-16 04:04:16 +03:00
|
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|
{
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$this->assertEquals($testString, $arg);
|
2019-01-16 02:36:10 +03:00
|
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return 0;
|
2019-01-16 04:04:16 +03:00
|
|
|
}
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);
|
2019-01-11 04:18:10 +03:00
|
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$calculator->execute('test("' . $testString . '")'); // single quotes
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$calculator->execute("test('" . $testString . "')"); // double quotes
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}
|
2020-01-13 20:09:18 +03:00
|
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public function testBeginWithBracketAndMinus()
|
|
|
|
{
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|
|
|
$calculator = new MathExecutor();
|
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$this->assertEquals(-4, $calculator->execute('(-4)'));
|
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|
|
$this->assertEquals(1, $calculator->execute('(-4 + 5)'));
|
|
|
|
}
|
2020-02-07 19:05:26 +03:00
|
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|
|
|
|
|
public function testMinusZero()
|
|
|
|
{
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|
|
|
$calculator = new MathExecutor();
|
|
|
|
$this->assertEquals(1, $calculator->execute('1 - 0'));
|
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|
|
$this->assertEquals(1, $calculator->execute('1-0'));
|
|
|
|
}
|
2019-01-16 04:04:16 +03:00
|
|
|
}
|