public function testIsFunction()
{
$function = function ($a) {
$a + 1;
};
$result = __::isFunction($function);
$this->assertEquals($result, true);
}
public function testIsFunction()
{
// Arrange
$a = function ($a) {
return $a + 2;
};
// Act
$x = __::isFunction($a);
// Assert
$this->assertEquals(true, $x);
}
public function testIsFunction()
{
// from js
$func = function () {
};
$this->assertFalse(__::isFunction(array(1, 2, 3)), 'arrays are not functions');
$this->assertFalse(__::isFunction('moe'), 'strings are not functions');
$this->assertTrue(__::isFunction($func), 'but functions are');
// extra
$this->assertFalse(__::isFunction('array_search'), 'strings with names of functions are not functions');
$this->assertFalse(__::isFunction(new __()));
$this->assertFalse(__(array(1, 2, 3))->isFunction());
$this->assertFalse(__('moe')->isFunction());
$this->assertTrue(__($func)->isFunction());
$this->assertFalse(__('array_search')->isFunction());
$this->assertFalse(__(new __())->isFunction());
// docs
$this->assertTrue(__::isFunction(function () {
}));
$this->assertFalse(__::isFunction('trim'));
}
