public function testFnNotEqual()
{
$fn = FnGen::fnIsNotEqual(0);
$this->assertFalse($fn(0));
$this->assertFalse($fn('0'));
$this->assertFalse($fn(false));
$this->assertFalse($fn(null));
$this->assertFalse($fn('hello'));
// <-- sad truth about PHP.
$this->assertFalse($fn(0.0));
$this->assertTrue($fn(1));
$this->assertTrue($fn(true));
$this->assertTrue($fn('100'));
$fn = FnGen::fnIsNotEqual('hello');
$this->assertFalse($fn('hello'));
$this->assertFalse($fn(true));
// <-- also true.
$this->assertFalse($fn(0));
// <-- sad truth about PHP.
$this->assertFalse($fn(0.0));
// <-- again, sadly this is true
$this->assertTrue($fn('Hello'));
$this->assertTrue($fn('0'));
$this->assertTrue($fn(null));
$this->assertTrue($fn(false));
$fn1 = FnGen::fnIsNotEqual(0);
$fn2 = FnGen::fnIsEqual(1);
$this->assertEquals($fn1, $fn2);
// <-- closure function == closure function --- should not be relied on.
}
