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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.
expect_array_roundtrip <- function(x, type, as = NULL) {
a <- Array$create(x, type = as)
expect_equal(a$type, type)
expect_identical(length(a), length(x))
if (!inherits(type, c("ListType", "LargeListType", "FixedSizeListType"))) {
# TODO: revisit how missingness works with ListArrays
# R list objects don't handle missingness the same way as other vectors.
# Is there some vctrs thing we should do on the roundtrip back to R?
expect_as_vector(is.na(a), is.na(x))
}
roundtrip <- as.vector(a)
expect_equal(roundtrip, x, ignore_attr = TRUE)
# Make sure the storage mode is the same on roundtrip (esp. integer vs. numeric)
expect_identical(typeof(roundtrip), typeof(x))
if (length(x)) {
a_sliced <- a$Slice(1)
x_sliced <- x[-1]
expect_equal(a_sliced$type, type)
expect_identical(length(a_sliced), length(x_sliced))
if (!inherits(type, c("ListType", "LargeListType", "FixedSizeListType"))) {
expect_as_vector(is.na(a_sliced), is.na(x_sliced))
}
expect_as_vector(a_sliced, x_sliced, ignore_attr = TRUE)
}
invisible(a)
}
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