private static void doAssertWorldEvolvesLike(
String initialState, String[] laterStates, boolean reverseOrder) {
World world = createWorld(split(initialState, "\n"));
if (reverseOrder) {
Collections.reverse(world.rabbits);
}
for (IdxObj<String> state : enumerate(laterStates)) {
world.step();
assertThat(
renderWorld(world, true, false),
equalToState(split(state.object, "\n"), state.index + 2));
}
}
/**
* @brief Note that this method steps the world, changing the input argument that is referenced.
*/
public static void assertWorldEvolvesLike(World world, int nSteps, String[] finalWorld) {
for (int i = 0; i < nSteps; i++) {
world.step();
}
String[] steppedWorld = renderCompleteWorld(world, false);
try {
assertThat(finalWorld.length, equalTo(steppedWorld.length));
assertThat(finalWorld, equalTo(steppedWorld));
} catch (AssertionError e) {
// Output the stepped world in case it's helpful for building an
// assertion.
for (String s : steppedWorld) {
System.out.println("\"" + s + "\",");
}
throw e;
}
}