81289d0663
Reviewers: buda Reviewed By: buda Subscribers: matej.gradicek Differential Revision: https://phabricator.memgraph.io/D122
162 lines
4.0 KiB
Gherkin
162 lines
4.0 KiB
Gherkin
#
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# Copyright 2017 "Neo Technology",
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# Network Engine for Objects in Lund AB (http://neotechnology.com)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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Feature: TernaryLogicAcceptanceTest
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Background:
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Given any graph
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Scenario: The inverse of a null is a null
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When executing query:
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"""
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RETURN NOT null AS value
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"""
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Then the result should be:
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| value |
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| null |
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And no side effects
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Scenario: A literal null IS null
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When executing query:
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"""
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RETURN null IS NULL AS value
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"""
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Then the result should be:
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| value |
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| true |
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And no side effects
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Scenario: A literal null is not IS NOT null
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When executing query:
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"""
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RETURN null IS NOT NULL AS value
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"""
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Then the result should be:
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| value |
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| false |
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And no side effects
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Scenario: It is unknown - i.e. null - if a null is equal to a null
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When executing query:
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"""
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RETURN null = null AS value
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"""
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Then the result should be:
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| value |
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| null |
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And no side effects
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Scenario: It is unknown - i.e. null - if a null is not equal to a null
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When executing query:
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"""
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RETURN null <> null AS value
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"""
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Then the result should be:
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| value |
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| null |
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And no side effects
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Scenario Outline: Using null in AND
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And parameters are:
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| par | val |
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| lhs | <lhs> |
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| rhs | <rhs> |
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When executing query:
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"""
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RETURN $lhs AND $rhs AS result
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"""
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Then the result should be:
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| result |
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| <result> |
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And no side effects
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Examples:
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| lhs | rhs | result |
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| null | null | null |
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| null | true | null |
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| true | null | null |
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| null | false | false |
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| false | null | false |
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Scenario Outline: Using null in OR
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And parameters are:
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| par | val |
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| lhs | <lhs> |
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| rhs | <rhs> |
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When executing query:
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"""
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RETURN $lhs OR $rhs AS result
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"""
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Then the result should be:
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| result |
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| <result> |
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And no side effects
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Examples:
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| lhs | rhs | result |
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| null | null | null |
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| null | true | true |
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| true | null | true |
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| null | false | null |
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| false | null | null |
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Scenario Outline: Using null in XOR
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And parameters are:
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| par | val |
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| lhs | <lhs> |
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| rhs | <rhs> |
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When executing query:
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"""
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RETURN $lhs XOR $rhs AS result
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"""
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Then the result should be:
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| result |
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| <result> |
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And no side effects
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Examples:
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| lhs | rhs | result |
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| null | null | null |
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| null | true | null |
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| true | null | null |
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| null | false | null |
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| false | null | null |
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Scenario Outline: Using null in IN
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And parameters are:
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| par | val |
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| elt | <elt> |
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| coll | <coll> |
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When executing query:
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"""
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RETURN $elt IN $coll AS result
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"""
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Then the result should be:
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| result |
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| <result> |
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And no side effects
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Examples:
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| elt | coll | result |
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| null | null | null |
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| null | [1, 2, 3] | null |
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| null | [1, 2, 3, null] | null |
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| null | [] | false |
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| 1 | [1, 2, 3, null] | true |
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| 1 | [null, 1] | true |
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| 5 | [1, 2, 3, null] | null |
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