test_setup('PetShop');
home_page();
follow_link('Fish');
verify_text('Tiger Shark');
follow_link('Angelfish');
verify_text('Large Angelfish');
add_to_cart('Small Angelfish');
follow_link('Cart');
verify_text('Total Cost');
update_cart('Small Angelfish', 2);
test_deviance('expecting a number without a decimal point');
update_cart('Small Angelfish', 'a');
test_conformance();
follow_link('Cart');
test_deviance('expecting a number without a decimal point');
update_cart('Small Angelfish', '1.1');
test_conformance();
follow_link('Cart');
test_deviance('The cart total exceeds the allowed precision');
update_cart('Small Angelfish', 99999999);
test_conformance();
follow_link('Cart');
test_deviance('number outside of expected range');
update_cart('Small Angelfish', 9999999999);