How to use

expand

method

in

com.mojang.brigadier.suggestion.Suggestion

  public static Suggestions create(final String command, final Collection<Suggestion> suggestions) {
    if (suggestions.isEmpty()) {
      return EMPTY;
    }
    int start = Integer.MAX_VALUE;
    int end = Integer.MIN_VALUE;
    for (final Suggestion suggestion : suggestions) {
      start = Math.min(suggestion.getRange().getStart(), start);
      end = Math.max(suggestion.getRange().getEnd(), end);
    }
    final StringRange range = new StringRange(start, end);
    final Set<Suggestion> texts = new HashSet<>();
    for (final Suggestion suggestion : suggestions) {
      texts.add(suggestion.expand(command, range));
    }
    final List<Suggestion> sorted = new ArrayList<>(texts);
    sorted.sort((a, b) -> a.compareToIgnoreCase(b));
    return new Suggestions(range, sorted);
  }
}

@Test
public void expand_unchanged() {
  final Suggestion suggestion = new Suggestion(StringRange.at(1), "oo");
  assertThat(suggestion.expand("f", StringRange.at(1)), equalTo(suggestion));
}

@Test
public void expand_right() {
  final Suggestion suggestion = new Suggestion(StringRange.at(0), "minecraft:");
  assertThat(suggestion.expand("fish", StringRange.between(0, 4)), equalTo(new Suggestion(StringRange.between(0, 4), "minecraft:fish")));
}

@Test
public void expand_left() {
  final Suggestion suggestion = new Suggestion(StringRange.at(1), "oo");
  assertThat(suggestion.expand("f", StringRange.between(0, 1)), equalTo(new Suggestion(StringRange.between(0, 1), "foo")));
}

@Test
public void expand_both() {
  final Suggestion suggestion = new Suggestion(StringRange.at(11), "minecraft:");
  assertThat(suggestion.expand("give Steve fish_block", StringRange.between(5, 21)), equalTo(new Suggestion(StringRange.between(5, 21), "Steve minecraft:fish_block")));
}

  @Test
  public void expand_replacement() {
    final Suggestion suggestion = new Suggestion(StringRange.between(6, 11), "strangers");
    assertThat(suggestion.expand("Hello world!", StringRange.between(0, 12)), equalTo(new Suggestion(StringRange.between(0, 12), "Hello strangers!")));
  }
}