Options retainAll(Schema schema, MarkSet markSet) {
if (map.isEmpty()) return this; // Nothing to prune.
Options result = new Options(optionType, optionElements);
Object mapOrNull = retainAll(schema, markSet, optionType, map);
result.map =
mapOrNull != null
? (ImmutableMap<ProtoMember, Object>) mapOrNull
: ImmutableMap.<ProtoMember, Object>of();
return result;
}
@Test
public void resolveFieldPathDoesntMatch() throws Exception {
assertThat(Options.resolveFieldPath("a.b", set("c", "d"))).isNull();
}
@Test
public void resolveFieldPathMatchesOnlySegment() throws Exception {
assertThat(asList(Options.resolveFieldPath("a", set("a", "b")))).containsExactly("a");
}
@Test
public void resolveFieldPathMatchesAllSegments() throws Exception {
assertThat(asList(Options.resolveFieldPath("a.b.c.d", set("a.b.c.d", "z.b.c.d"))))
.containsExactly("a.b.c.d");
}
@Test
public void resolveFieldPathMatchesFirstSegment() throws Exception {
assertThat(asList(Options.resolveFieldPath("a.b.c.d", set("a", "z", "y"))))
.containsExactly("a", "b", "c", "d");
}