@Test
    void testDotProduct() {
        assertParse("{ \"dotProduct\" : [\"description\", {\"a\":1, \"b\":2} ]}",
                "DOTPRODUCT description{[1]:\"a\",[2]:\"b\"}");
        assertParse("{ \"dotProduct\" : [\"description\", {\"a\":2} ]}",
                "DOTPRODUCT description{[2]:\"a\"}");
    }
Tests Query.Select

@author henrhoi
@author bratseth
container-search/src/test/java/com/yahoo/select/SelectTestCase.java