Package it.unimi.dsi.fastutil.longs

Examples of it.unimi.dsi.fastutil.longs.LongSet.retainAll()

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    @Test
    public void testRetainAll() {
        LongKeyDomain lks = LongKeyDomain.create(20, 25, 30, 42, 62, 99);
        LongSet ls = lks.modifiableActiveSetView();
        List<Long> rm = Longs.asList(20, 25, 62, 30, 98, 1);
        assertThat(ls.retainAll(rm), equalTo(true));
        assertThat(ls, contains(20L, 25L, 30L, 62L));
        assertThat(Lists.newArrayList(lks.activeIndexIterator(false)),
                   contains(0, 1, 2, 4));
    }
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    @Test
    public void testRetainAllEmptyList() {
        LongKeyDomain lks = LongKeyDomain.create(20, 25, 30, 42, 62, 99);
        LongSet ls = lks.modifiableActiveSetView();
        assertThat(ls.retainAll(Lists.newArrayList()), equalTo(true));
        assertThat(ls.isEmpty(), equalTo(true));
    }

    @Test
    public void testRetainAllLongMaxLong() {
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    @Test
    public void testRetainAllLongMaxLong() {
        LongKeyDomain lks = LongKeyDomain.create(20, Long.MAX_VALUE);
        LongSet ls = lks.modifiableActiveSetView();
        assertThat(ls.retainAll(Lists.newArrayList()), equalTo(true));
        assertThat(ls.isEmpty(), equalTo(true));
    }
}
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