public function the_comprehension_comprehension_errors_when_a_null_is_returned()
{
$simple = new SimpleCalculator();
try {
$value = (new MaybeComprehension($simple))->eulers_number()->negate()->multiply(10)->factorial()->_maybe_resolve();
fail("Should not reach here");
} catch (UnexpectedValueException $e) {
}
assert_that(get_class($e))->is_equal_to('UnexpectedValueException');
}
/**
* Exercise II. Reverse Arrays.
*
* In this exercise you'll need to implement the methods in
* classes/ReverseArray.php
*
* Implementing custom classes that have array operators can be very useful.
* Sometimes you want to be able to have array semantics. In this case,
* we want to be able to automatically reverse the contents of an array using
* a custom array implementation.
*/
public function reverse_arrays_automatically_reverse_the_contents_given()
{
require_once __DIR__ . '/classes/ReverseArray.php';
$a = ['francesca', 'loves', 'paolo'];
$reverse_array = new ReverseArray(count($a) - 1);
for ($i = 0; $i < count($a); $i++) {
$reverse_array[$i] = $a[$i];
}
assert_that($reverse_array->getInternalArray())->is_equal_to(['paolo', 'loves', 'francesca']);
}
public function the_cow_inventory_displays_frequencies_of_cow_names_when_passed_in_different_form()
{
$info = Inventory::parse_inventory(['Bessie, Bilbo, Marjorie, 0, Belinda'], ['freq']);
assert_that($info)->is_equal_to(['cows' => 5, 'list' => ['0', 'Belinda', 'Bessie', 'Bilbo', 'Marjorie'], 'freq' => ['0' => 1, 'B' => 3, 'M' => 1]]);
}
public function objects_that_implement_the_JsonSerializable_interface_have_a_custom_json_encode()
{
// NumberRange is defined in classes/SPLClasses.php
$number_range = new NumberRange(1, 10);
assert_that(json_encode($number_range))->is_identical_to(__);
}
public function invalid_input_should_get_a_null_back()
{
assert_that($this->get_apartment_prices("The Mission", -1))->is_identical_to(null);
assert_that($this->get_apartment_prices(null, 2))->is_identical_to(null);
// hint: Are you using == or === ?
assert_that($this->get_apartment_prices(0, 2))->is_identical_to(null);
}
public function put_that_coffee_down__coffee_is_for_closers_only()
{
$hierarchy = SalesHierarchy::build('0{Blake|Sociopath}0{Dave|Clueless}1{Shelley|Loser}1{Ricky|Loser}0{Williamson|Clueless}1{George|Loser}1{Mitch|Loser}');
$hierarchy->assign_to_best_rep(new Lead('Rio Rancho', 2000000));
$hierarchy->assign_to_best_rep(new Lead('Clear Meadows 1', 50000));
$hierarchy->assign_to_best_rep(new Lead('Clear Meadows 2', 50000));
$hierarchy->assign_to_best_rep(new Lead('Daytona Isle 1', 1000));
$hierarchy->assign_to_best_rep(new Lead('Daytona Isle 2', 1000));
$hierarchy->assign_to_best_rep(new Lead('Daytona Isle 3', 1000));
$hierarchy->assign_to_best_rep(new Lead('Daytona Isle 4', 1000));
assert_that(round($hierarchy->total_risk()))->is_equal_to(300000 + 2 * 17500 + 4 * 980);
}
public function try_catch_finally_will_call_finally_block_if_exception_is_thrown()
{
$called_finally = false;
$value = try_catch_finally(function () {
throw new Exception();
}, function () {
return 10;
}, function () use(&$called_finally) {
$called_finally = true;
});
assert_that($value)->is_identical_to(10);
assert_that($called_finally)->is_identical_to(true);
}
public function really_really_really_asleep()
{
assert_that($this->whats_in_the_mouths_of_cerberus(null))->is_equal_to([]);
}
public function phpcredits_shows_the_folks_that_made_the_language()
{
// The ob_* functions allow us to capture output sent to stdout.
// to see the content of $result, comment out ob_start/ob_get_clean
ob_start();
phpcredits(CREDITS_GENERAL);
$result = ob_get_clean();
assert_that($result)->contains_string(__);
}