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import { world_update } from '../world/world.js';
import { lattice_rules } from './lattice_rules.js';
function apply(f, n, x0) {
if (n == 0) {
return x0;
} else {
return f(apply(f, n-1, x0));
}
}
test("blinker", () => {
const L = { type: 'active', flags: {} };
const D = { type: 'empty', flags: {} };
const lattice = [
[ D, D, D, D, D ],
[ D, D, D, D, D ],
[ D, L, L, L, D ],
[ D, D, D, D, D ],
[ D, D, D, D, D ],
];
const world = { lattice, lattice_rules, agents: [], senses: [], actions: [] };
expect(world_update(world).lattice).toEqual([
[ D, D, D, D, D ],
[ D, D, L, D, D ],
[ D, D, L, D, D ],
[ D, D, L, D, D ],
[ D, D, D, D, D ],
]);
expect(world_update(world_update(world)).lattice).toEqual(lattice);
});
test("glider", () => {
const L = { type: 'active', flags: {} };
const D = { type: 'empty', flags: {} };
const lattice = [
[ D, D, D, D, D, D ],
[ D, D, D, L, D, D ],
[ D, L, D, L, D, D ],
[ D, D, L, L, D, D ],
[ D, D, D, D, D, D ],
[ D, D, D, D, D, D ],
];
const world = { lattice, lattice_rules, agents: [], senses: [], actions: [] };
//expect(world_update(world).lattice).toEqual([
expect(apply(world_update, 1, world).lattice).toEqual([
[ D, D, D, D, D, D ],
[ D, D, L, D, D, D ],
[ D, D, D, L, L, D ],
[ D, D, L, L, D, D ],
[ D, D, D, D, D, D ],
[ D, D, D, D, D, D ],
]);
expect(apply(world_update, 2, world).lattice).toEqual([
[ D, D, D, D, D, D ],
[ D, D, D, L, D, D ],
[ D, D, D, D, L, D ],
[ D, D, L, L, L, D ],
[ D, D, D, D, D, D ],
[ D, D, D, D, D, D ],
]);
expect(apply(world_update, 3, world).lattice).toEqual([
[ D, D, D, D, D, D ],
[ D, D, D, D, D, D ],
[ D, D, L, D, L, D ],
[ D, D, D, L, L, D ],
[ D, D, D, L, D, D ],
[ D, D, D, D, D, D ],
]);
expect(apply(world_update, 4, world).lattice).toEqual([
[ D, D, D, D, D, D ],
[ D, D, D, D, D, D ],
[ D, D, D, D, L, D ],
[ D, D, L, D, L, D ],
[ D, D, D, L, L, D ],
[ D, D, D, D, D, D ],
]);
});
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