hugegraph-test/src/main/java/org/apache/hugegraph/core/VertexCoreTest.java [5707:5766]:
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        GraphTraversalSource g = graph.traversal();

        Assert.assertEquals(110L, g.V().count().next());

        Assert.assertEquals(2L, g.V().hasLabel("author").count().next());
        Assert.assertEquals(3L, g.V().hasLabel("language").count().next());
        Assert.assertEquals(5L, g.V().hasLabel("book").count().next());
        Assert.assertEquals(8L, g.V().hasLabel("book", "language")
                                     .count().next());

        Assert.assertEquals(1L, g.V().hasLabel("author")
                                     .has("lived", "California")
                                     .count().next());
        Assert.assertEquals(1L, g.V().hasLabel("author")
                                     .has("age", 61).count().next());
        Assert.assertEquals(2L, g.V().hasLabel("author")
                                     .has("age", P.gte(61)).count().next());
        Assert.assertEquals(1L, g.V().hasLabel("author")
                                     .has("age", P.lt(62)).count().next());

        Assert.assertEquals(1L, g.V().hasLabel("author")
                                     .has("age", P.lt(62))
                                     .has("lived", "California")
                                     .count().next());
        Assert.assertEquals(0L, g.V().hasLabel("author")
                                     .has("age", P.lt(62))
                                     .has("lived", "Canadian")
                                     .count().next());
        Assert.assertEquals(1L, g.V().hasLabel("author")
                                     .has("age", P.lt(63))
                                     .has("lived", "Canadian")
                                     .count().next());
        Assert.assertEquals(2L, g.V().hasLabel("author")
                                     .has("age", P.lt(63))
                                     .has("lived", P.within("California",
                                                            "Canadian"))
                                     .count().next());

        Assert.assertEquals(9L, g.V().hasLabel("person")
                                      .has("age", 8)
                                      .count().next());
        Assert.assertEquals(50L, g.V().hasLabel("person")
                                      .has("city", "Beijing")
                                      .count().next());
        Assert.assertEquals(5L, g.V().hasLabel("person")
                                     .has("age", 8)
                                     .has("city", "Beijing")
                                     .count().next());
        Assert.assertEquals(3L, g.V().hasLabel("person")
                                     .has("age", 8)
                                     .has("city", "Beijing")
                                     .limit(3).count().next());

        Assert.assertEquals(110L, g.V().count().min().next());
        Assert.assertEquals(5L, g.V().hasLabel("book").count().max().next());

        Assert.assertEquals(2L, g.V().hasLabel("author")
                                     .values("age").count().next());
        Assert.assertEquals(8L, g.V().hasLabel("author")
                                     .values().count().next());
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hugegraph-test/src/main/java/org/apache/hugegraph/core/VertexCoreTest.java [5787:5846]:
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            GraphTraversalSource g = graph.traversal();

            Assert.assertEquals(110L, g.V().count().next());

            Assert.assertEquals(2L, g.V().hasLabel("author").count().next());
            Assert.assertEquals(3L, g.V().hasLabel("language").count().next());
            Assert.assertEquals(5L, g.V().hasLabel("book").count().next());
            Assert.assertEquals(8L, g.V().hasLabel("book", "language")
                                         .count().next());

            Assert.assertEquals(1L, g.V().hasLabel("author")
                                         .has("lived", "California")
                                         .count().next());
            Assert.assertEquals(1L, g.V().hasLabel("author")
                                         .has("age", 61).count().next());
            Assert.assertEquals(2L, g.V().hasLabel("author")
                                         .has("age", P.gte(61)).count().next());
            Assert.assertEquals(1L, g.V().hasLabel("author")
                                         .has("age", P.lt(62)).count().next());

            Assert.assertEquals(1L, g.V().hasLabel("author")
                                         .has("age", P.lt(62))
                                         .has("lived", "California")
                                         .count().next());
            Assert.assertEquals(0L, g.V().hasLabel("author")
                                         .has("age", P.lt(62))
                                         .has("lived", "Canadian")
                                         .count().next());
            Assert.assertEquals(1L, g.V().hasLabel("author")
                                         .has("age", P.lt(63))
                                         .has("lived", "Canadian")
                                         .count().next());
            Assert.assertEquals(2L, g.V().hasLabel("author")
                                         .has("age", P.lt(63))
                                         .has("lived", P.within("California",
                                                                "Canadian"))
                                         .count().next());

            Assert.assertEquals(9L, g.V().hasLabel("person")
                                          .has("age", 8)
                                          .count().next());
            Assert.assertEquals(50L, g.V().hasLabel("person")
                                          .has("city", "Beijing")
                                          .count().next());
            Assert.assertEquals(5L, g.V().hasLabel("person")
                                         .has("age", 8)
                                         .has("city", "Beijing")
                                         .count().next());
            Assert.assertEquals(3L, g.V().hasLabel("person")
                                         .has("age", 8)
                                         .has("city", "Beijing")
                                         .limit(3).count().next());

            Assert.assertEquals(110L, g.V().count().min().next());
            Assert.assertEquals(5L, g.V().hasLabel("book").count().max().next());

            Assert.assertEquals(2L, g.V().hasLabel("author")
                                         .values("age").count().next());
            Assert.assertEquals(8L, g.V().hasLabel("author")
                                         .values().count().next());
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