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MDL-39915 cleanup core_mathslib_testcase

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Petr Škoda 2013-07-27 19:07:40 +02:00
parent ce14faf87e
commit 8603082f64
1 changed files with 59 additions and 63 deletions
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122
lib/tests/mathslib_test.php
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@ -29,207 +29,203 @@ global $CFG;
require_once($CFG->libdir . '/mathslib.php'); require_once($CFG->libdir . '/mathslib.php');
class mathsslib_testcase extends basic_testcase { class core_mathslib_testcase extends basic_testcase {
/** /**
* Tests the basic formula evaluation * Tests the basic formula evaluation.
*/ */
public function test__basic() { public function test__basic() {
$formula = new calc_formula('=1+2'); $formula = new calc_formula('=1+2');
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 3, '3+1 is: %s'); $this->assertSame($res, 3, '3+1 is: %s');
} }
/** /**
* Tests the formula params * Tests the formula params.
*/ */
public function test__params() { public function test__params() {
$formula = new calc_formula('=a+b+c', array('a'=>10, 'b'=>20, 'c'=>30)); $formula = new calc_formula('=a+b+c', array('a'=>10, 'b'=>20, 'c'=>30));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 60, '10+20+30 is: %s'); $this->assertSame(60, $res, '10+20+30 is: %s');
} }
/** /**
* Tests the changed params * Tests the changed params.
*/ */
public function test__changing_params() { public function test__changing_params() {
$formula = new calc_formula('=a+b+c', array('a'=>10, 'b'=>20, 'c'=>30)); $formula = new calc_formula('=a+b+c', array('a'=>10, 'b'=>20, 'c'=>30));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 60, '10+20+30 is: %s'); $this->assertSame(60, $res, '10+20+30 is: %s');
$formula->set_params(array('a'=>1, 'b'=>2, 'c'=>3)); $formula->set_params(array('a'=>1, 'b'=>2, 'c'=>3));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 6, 'changed params 1+2+3 is: %s'); $this->assertSame(6, $res, 'changed params 1+2+3 is: %s');
} }
/** /**
* Tests the spreadsheet emulation function in formula * Tests the spreadsheet emulation function in formula.
*/ */
public function test__calc_function() { public function test__calc_function() {
$formula = new calc_formula('=sum(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30)); $formula = new calc_formula('=sum(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 60, 'sum(a, b, c) is: %s'); $this->assertSame(60, $res, 'sum(a, b, c) is: %s');
} }
public function test_other_functions() { public function test_other_functions() {
$formula = new calc_formula('=average(1,2,3)'); $formula = new calc_formula('=average(1,2,3)');
$this->assertEquals($formula->evaluate(), 2); $this->assertSame(2, $formula->evaluate());
$formula = new calc_formula('=mod(10,3)'); $formula = new calc_formula('=mod(10,3)');
$this->assertEquals($formula->evaluate(), 1); $this->assertSame(1, $formula->evaluate());
$formula = new calc_formula('=power(2,3)'); $formula = new calc_formula('=power(2,3)');
$this->assertEquals($formula->evaluate(), 8); $this->assertSame(8, $formula->evaluate());
} }
/** /**
* Tests the min and max functions * Tests the min and max functions.
*/ */
public function test__minmax_function() { public function test__minmax_function() {
$formula = new calc_formula('=min(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30)); $formula = new calc_formula('=min(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 10, 'minimum is: %s'); $this->assertSame(10, $res, 'minimum is: %s');
$formula = new calc_formula('=max(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30)); $formula = new calc_formula('=max(a, b, c)', array('a'=>10, 'b'=>20, 'c'=>30));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 30, 'maximum is: %s'); $this->assertSame(30, $res, 'maximum is: %s');
} }
/** /**
* Tests special chars * Tests special chars.
*/ */
public function test__specialchars() { public function test__specialchars() {
$formula = new calc_formula('=gi1 + gi2 + gi11', array('gi1'=>10, 'gi2'=>20, 'gi11'=>30)); $formula = new calc_formula('=gi1 + gi2 + gi11', array('gi1'=>10, 'gi2'=>20, 'gi11'=>30));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, 60, 'sum is: %s'); $this->assertSame(60, $res, 'sum is: %s');
} }
/** /**
* Tests some slightly more complex expressions * Tests some slightly more complex expressions.
*/ */
public function test__more_complex_expressions() { public function test__more_complex_expressions() {
$formula = new calc_formula('=pi() + a', array('a'=>10)); $formula = new calc_formula('=pi() + a', array('a'=>10));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, pi()+10); $this->assertSame(pi()+10, $res);
$formula = new calc_formula('=pi()^a', array('a'=>10)); $formula = new calc_formula('=pi()^a', array('a'=>10));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, pow(pi(), 10)); $this->assertSame(pow(pi(), 10), $res);
$formula = new calc_formula('=-8*(5/2)^2*(1-sqrt(4))-8'); $formula = new calc_formula('=-8*(5/2)^2*(1-sqrt(4))-8');
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, -8*pow((5/2), 2)*(1-sqrt(4))-8); $this->assertSame(-8*pow((5/2), 2)*(1-sqrt(4))-8, $res);
} }
/** /**
* Tests some slightly more complex expressions * Tests some slightly more complex expressions.
*/ */
public function test__error_handling() { public function test__error_handling() {
$formula = new calc_formula('=pi( + a', array('a'=>10)); $formula = new calc_formula('=pi( + a', array('a'=>10));
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, false); $this->assertFalse($res);
$this->assertEquals($formula->get_error(), $this->assertSame(get_string('unexpectedoperator', 'mathslib', '+'), $formula->get_error());
get_string('unexpectedoperator', 'mathslib', '+'));
$formula = new calc_formula('=pi('); $formula = new calc_formula('=pi(');
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, false); $this->assertSame($res, false);
$this->assertEquals($formula->get_error(), $this->assertSame(get_string('expectingaclosingbracket', 'mathslib'), $formula->get_error());
get_string('expectingaclosingbracket', 'mathslib'));
$formula = new calc_formula('=pi()^'); $formula = new calc_formula('=pi()^');
$res = $formula->evaluate(); $res = $formula->evaluate();
$this->assertEquals($res, false); $this->assertSame($res, false);
$this->assertEquals($formula->get_error(), $this->assertSame(get_string('operatorlacksoperand', 'mathslib', '^'), $formula->get_error());
get_string('operatorlacksoperand', 'mathslib', '^'));
} }
public function test_rounding_function() { public function test_rounding_function() {
// Rounding to the default number of decimal places // Rounding to the default number of decimal places.
// The default == 0 // The default == 0.
$formula = new calc_formula('=round(2.5)'); $formula = new calc_formula('=round(2.5)');
$this->assertEquals($formula->evaluate(), 3); $this->assertSame(3.0, $formula->evaluate());
$formula = new calc_formula('=round(1.5)'); $formula = new calc_formula('=round(1.5)');
$this->assertEquals($formula->evaluate(), 2); $this->assertSame(2.0, $formula->evaluate());
$formula = new calc_formula('=round(-1.49)'); $formula = new calc_formula('=round(-1.49)');
$this->assertEquals($formula->evaluate(), -1); $this->assertSame(-1.0, $formula->evaluate());
$formula = new calc_formula('=round(-2.49)'); $formula = new calc_formula('=round(-2.49)');
$this->assertEquals($formula->evaluate(), -2); $this->assertSame(-2.0, $formula->evaluate());
$formula = new calc_formula('=round(-1.5)'); $formula = new calc_formula('=round(-1.5)');
$this->assertEquals($formula->evaluate(), -2); $this->assertSame(-2.0, $formula->evaluate());
$formula = new calc_formula('=round(-2.5)'); $formula = new calc_formula('=round(-2.5)');
$this->assertEquals($formula->evaluate(), -3); $this->assertSame(-3.0, $formula->evaluate());
$formula = new calc_formula('=ceil(2.5)'); $formula = new calc_formula('=ceil(2.5)');
$this->assertEquals($formula->evaluate(), 3); $this->assertSame(3.0, $formula->evaluate());
$formula = new calc_formula('=ceil(1.5)'); $formula = new calc_formula('=ceil(1.5)');
$this->assertEquals($formula->evaluate(), 2); $this->assertSame(2.0, $formula->evaluate());
$formula = new calc_formula('=ceil(-1.49)'); $formula = new calc_formula('=ceil(-1.49)');
$this->assertEquals($formula->evaluate(), -1); $this->assertSame(-1.0, $formula->evaluate());
$formula = new calc_formula('=ceil(-2.49)'); $formula = new calc_formula('=ceil(-2.49)');
$this->assertEquals($formula->evaluate(), -2); $this->assertSame(-2.0, $formula->evaluate());
$formula = new calc_formula('=ceil(-1.5)'); $formula = new calc_formula('=ceil(-1.5)');
$this->assertEquals($formula->evaluate(), -1); $this->assertSame(-1.0, $formula->evaluate());
$formula = new calc_formula('=ceil(-2.5)'); $formula = new calc_formula('=ceil(-2.5)');
$this->assertEquals($formula->evaluate(), -2); $this->assertSame(-2.0, $formula->evaluate());
$formula = new calc_formula('=floor(2.5)'); $formula = new calc_formula('=floor(2.5)');
$this->assertEquals($formula->evaluate(), 2); $this->assertSame(2.0, $formula->evaluate());
$formula = new calc_formula('=floor(1.5)'); $formula = new calc_formula('=floor(1.5)');
$this->assertEquals($formula->evaluate(), 1); $this->assertSame(1.0, $formula->evaluate());
$formula = new calc_formula('=floor(-1.49)'); $formula = new calc_formula('=floor(-1.49)');
$this->assertEquals($formula->evaluate(), -2); $this->assertSame(-2.0, $formula->evaluate());
$formula = new calc_formula('=floor(-2.49)'); $formula = new calc_formula('=floor(-2.49)');
$this->assertEquals($formula->evaluate(), -3); $this->assertSame(-3.0, $formula->evaluate());
$formula = new calc_formula('=floor(-1.5)'); $formula = new calc_formula('=floor(-1.5)');
$this->assertEquals($formula->evaluate(), -2); $this->assertSame(-2.0, $formula->evaluate());
$formula = new calc_formula('=floor(-2.5)'); $formula = new calc_formula('=floor(-2.5)');
$this->assertEquals($formula->evaluate(), -3); $this->assertSame(-3.0, $formula->evaluate());
// Rounding to an explicit number of decimal places // Rounding to an explicit number of decimal places.
$formula = new calc_formula('=round(2.5, 1)'); $formula = new calc_formula('=round(2.5, 1)');
$this->assertEquals($formula->evaluate(), 2.5); $this->assertSame(2.5, $formula->evaluate());
$formula = new calc_formula('=round(2.5, 0)'); $formula = new calc_formula('=round(2.5, 0)');
$this->assertEquals($formula->evaluate(), 3); $this->assertSame(3.0, $formula->evaluate());
$formula = new calc_formula('=round(1.2345, 2)'); $formula = new calc_formula('=round(1.2345, 2)');
$this->assertEquals($formula->evaluate(), 1.23); $this->assertSame(1.23, $formula->evaluate());
$formula = new calc_formula('=round(123.456, -1)'); $formula = new calc_formula('=round(123.456, -1)');
$this->assertEquals($formula->evaluate(), 120); $this->assertSame(120.0, $formula->evaluate());
} }
public function test_scientific_notation() { public function test_scientific_notation() {
$formula = new calc_formula('=10e10'); $formula = new calc_formula('=10e10');
$this->assertEquals($formula->evaluate(), 1e11, '', 1e11*1e-15); $this->assertEquals(1e11, $formula->evaluate(), '', 1e11*1e-15);
$formula = new calc_formula('=10e-10'); $formula = new calc_formula('=10e-10');
$this->assertEquals($formula->evaluate(), 1e-9, '', 1e11*1e-15); $this->assertEquals(1e-9, $formula->evaluate(), '', 1e11*1e-15);
$formula = new calc_formula('=10e+10'); $formula = new calc_formula('=10e+10');
$this->assertEquals($formula->evaluate(), 1e11, '', 1e11*1e-15); $this->assertEquals(1e11, $formula->evaluate(), '', 1e11*1e-15);
$formula = new calc_formula('=10e10*5'); $formula = new calc_formula('=10e10*5');
$this->assertEquals($formula->evaluate(), 5e11, '', 1e11*1e-15); $this->assertEquals(5e11, $formula->evaluate(), '', 1e11*1e-15);
$formula = new calc_formula('=10e10^2'); $formula = new calc_formula('=10e10^2');
$this->assertEquals($formula->evaluate(), 1e22, '', 1e22*1e-15); $this->assertEquals(1e22, $formula->evaluate(), '', 1e22*1e-15);
} }
public function test_rand_float() { public function test_rand_float() {