diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/MathTest.php | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/tests/MathTest.php b/tests/MathTest.php index 4ea0cb0..259de2c 100644 --- a/tests/MathTest.php +++ b/tests/MathTest.php @@ -147,6 +147,8 @@ class MathTest extends TestCase ['sin(10) * cos(50) / min(10, (20/2))'], ['sin(10) * cos(50) / min(10, (max(10,20)/2))'], + ['100500 * 3.5e5'], + ['100500 * 3.5e-5'], ['100500 * 3.5E5'], ['100500 * 3.5E-5'], @@ -208,6 +210,24 @@ class MathTest extends TestCase ['1 + (3 *-1)'], ['1 - 0'], ['1-0'], + + ['-(1.5)'], + ['-log(4)'], + ['0-acosh(1.5)'], + ['-acosh(1.5)'], + ['-(-4)'], + ['-(-4 + 5)'], + ['-(3 * 1)'], + ['-(-3 * -1)'], + ['-1 + (-3 * -1)'], + ['-1 + ( -3 * 1)'], + ['-1 + (3 *-1)'], + ['-1 - 0'], + ['-1-0'], + ['-(4*2)-5'], + ['-(4*-2)-5'], + ['-(-4*2) - 5'], + ['-4*-5'], ]; } @@ -232,6 +252,17 @@ class MathTest extends TestCase $this->assertEquals(0, $calculator->execute('10 / 0')); } + public function testUnaryOperators() + { + $calculator = new MathExecutor(); + $this->assertEquals(5, $calculator->execute('+5')); + $this->assertEquals(5, $calculator->execute('+(3+2)')); + $this->assertEquals(-5, $calculator->execute('-5')); + $this->assertEquals(5, $calculator->execute('-(-5)')); + $this->assertEquals(-5, $calculator->execute('+(-5)')); + $this->assertEquals(-5, $calculator->execute('-(3+2)')); + } + public function testZeroDivisionException() { $calculator = new MathExecutor(); @@ -526,4 +557,91 @@ class MathTest extends TestCase $this->expectException(MathExecutorException::class); $calculator->setVar('resource', tmpfile()); } + + /** + * @dataProvider providerExpressionValues + */ + public function testCalculatingValues($expression, $value) + { + $calculator = new MathExecutor(); + + try { + $result = $calculator->execute($expression); + } catch (Exception $e) { + $this->fail(sprintf("Exception: %s (%s:%d), expression was: %s", get_class($e), $e->getFile(), $e->getLine(), $expression)); + } + $this->assertEquals($value, $result, "${expression} did not evaluate to {$value}"); + } + + /** + * Expressions data provider + * + * Most tests can go in here. The idea is that each expression will be evaluated by MathExecutor and by PHP directly. + * The results should be the same. If they are not, then the test fails. No need to add extra test unless you are doing + * something more complex and not a simple mathmatical expression. + */ + public function providerExpressionValues() + { + return [ + ['arccos(0.5)', 1.0471975511966], + ['arccos(0.5)', acos(0.5)], + ['arccosec(4)', 0.2526802551421], + ['arccosec(4)', asin(1/4)], + ['arccot(3)', M_PI/2 - atan(3)], + ['arccotan(4)', 0.2449786631269], + ['arccotan(4)', M_PI/2 - atan(4)], + ['arccsc(4)', 0.2526802551421], + ['arccsc(4)', asin(1/4)], + ['arcctg(3)', M_PI/2 - atan(3)], + ['arcsec(4)', 1.3181160716528], + ['arcsec(4)', acos(1/4)], + ['arcsin(0.5)', 0.5235987755983], + ['arcsin(0.5)', asin(0.5)], + ['arctan(0.5)', atan(0.5)], + ['arctan(4)', 1.3258176636680], + ['arctg(0.5)', atan(0.5)], + ['cosec(12)', 1 / sin(12)], + ['cosec(4)', -1.3213487088109], + ['cosh(12)', cosh(12)], + ['cot(12)', cos(12) / sin(12)], + ['cotan(12)', cos(12) / sin(12)], + ['cotan(4)', 0.8636911544506], + ['cotg(3)', cos(3) / sin(3)], + ['csc(4)', 1 / sin(4)], + ['ctg(4)', cos(4) / sin(4)], + ['ctn(4)', cos(4) / sin(4)], + ['decbin(10)', decbin(10)], + ['lg(2)', 0.3010299956639], + ['lg(2)', log10(2)], + ['ln(2)', 0.6931471805599], + ['ln(2)', log(2)], + ['sec(4)', -1.5298856564664], + ['tg(4)', 1.1578212823496], + ]; + } + + public function testCache() + { + $calculator = new MathExecutor(); + $this->assertEquals(256, $calculator->execute('2 ^ 8')); // second arg $cache is true by default + + $this->assertIsArray($calculator->getCache()); + $this->assertEquals(1, count($calculator->getCache())); + + $this->assertEquals(512, $calculator->execute('2 ^ 9', true)); + $this->assertEquals(2, count($calculator->getCache())); + + $this->assertEquals(1024, $calculator->execute('2 ^ 10', false)); + $this->assertEquals(2, count($calculator->getCache())); + + $calculator->clearCache(); + $this->assertIsArray($calculator->getCache()); + $this->assertEquals(0, count($calculator->getCache())); + + $this->assertEquals(2048, $calculator->execute('2 ^ 11', false)); + $this->assertEquals(0, count($calculator->getCache())); + + + } + }
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