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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
class TestListArray < Test::Unit::TestCase
include Helper::Buildable
def test_new
field = Arrow::Field.new("value", Arrow::Int8DataType.new)
data_type = Arrow::ListDataType.new(field)
value_offsets = Arrow::Buffer.new([0, 2, 5, 5].pack("l*"))
data = Arrow::Buffer.new([1, 2, 3, 4, 5].pack("c*"))
nulls = Arrow::Buffer.new([0b11111].pack("C*"))
values = Arrow::Int8Array.new(5, data, nulls, 0)
assert_equal(build_list_array(Arrow::Int8DataType.new,
[[1, 2], [3, 4, 5], nil]),
Arrow::ListArray.new(data_type,
3,
value_offsets,
values,
Arrow::Buffer.new([0b011].pack("C*")),
-1))
end
def test_value
array = build_list_array(Arrow::Int8DataType.new,
[
[-29, 29],
[-1, 0, 1],
])
value = array.get_value(1)
assert_equal([-1, 0, 1],
value.length.times.collect {|i| value.get_value(i)})
end
def test_value_type
field = Arrow::Field.new("value", Arrow::Int8DataType.new)
data_type = Arrow::ListDataType.new(field)
builder = Arrow::ListArrayBuilder.new(data_type)
array = builder.finish
assert_equal(Arrow::Int8DataType.new, array.value_type)
end
def test_values
array = build_list_array(Arrow::Int8DataType.new,
[
[-29, 29],
[-1, 0, 1],
])
values = array.values
assert_equal([-29, 29, -1, 0, 1],
values.length.times.collect {|i| values.get_value(i)})
end
def test_value_offset
array = build_list_array(Arrow::Int8DataType.new,
[
[-29, 29],
[-1, 0, 1],
])
assert_equal([0, 2],
array.length.times.collect {|i| array.get_value_offset(i)})
end
def test_value_length
array = build_list_array(Arrow::Int8DataType.new,
[
[-29, 29],
[-1, 0, 1],
])
assert_equal([2, 3],
array.length.times.collect {|i| array.get_value_length(i)})
end
def test_value_offsets
array = build_list_array(Arrow::Int8DataType.new,
[
[-29, 29],
[-1, 0, 1],
])
assert_equal([0, 2, 5],
array.value_offsets)
end
end
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