$vy = $p->getValue('y');
$this->assertEqual($va, 11.2);
$this->assertEqual($vb, 2.5);
$this->assertEqual($vx, 'unset');
$this->assertEqual($vy, NULL);
$this->assertTrue($p->checkValue('a', 11.2));
$this->assertFalse($p->checkValue('b', 11.2));
$this->expectException();
$p->checkValue('x', 11.2);
$p->checkValue('D', 11.2);
}
function testEquation_CheckEquation()
{
$p = new EquationProblem();
$p->addVariable('a', 3);
$p->addVariable('b', 4);
$this->assertEqual($p->checkEquation('a+3'), 'not equation');
$this->assertEqual($p->checkEquation('a-c*x=3'), 'undefined: c, x');
$this->assertEqual($p->checkEquation('a=3'), 'true');
$this->assertEqual($p->checkEquation('a^2 = 9'), 'true');
$this->assertEqual($p->checkEquation('a^2 + 1 = 9'), 'false');
$this->assertEqual($p->checkEquation('a^2 + b^2 = 25'), 'true');
$this->assertEqual($p->checkEquation('\\(a^2 + b^2) = 5'), 'true');
$this->assertEqual($p->checkEquation('a>3'), 'false');
$this->assertEqual($p->checkEquation('a >= 3'), 'true');
$this->assertEqual($p->checkEquation('a> 1'), 'true');
$this->assertEqual($p->checkEquation('a> -3'), 'true');
}
}
$test = new TestProblem();
$test->run(new TextReporter());
public static function test()
{
$t = new TestProblem();
$t->define();
$solution = $t->solve();
var_dump($solution);
// X[1] Y[4] Z[5] R[6]
$solution = $t->solveMax();
var_dump($solution);
// X[4] Y[6] Z[10] R[9] sum[29]
}
