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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 TestMemoryMappedInputStream < Test::Unit::TestCase
def setup
@data = "Hello World"
@tempfile = Tempfile.open("arrow-memory-mapped-input-stream")
@tempfile.write(@data)
@tempfile.close
end
def test_new
input = Arrow::MemoryMappedInputStream.new(@tempfile.path)
begin
buffer = input.read(5)
assert_equal("Hello", buffer.data.to_s)
ensure
input.close
end
end
def test_close
input = Arrow::MemoryMappedInputStream.new(@tempfile.path)
assert do
not input.closed?
end
input.close
assert do
input.closed?
end
end
def test_size
input = Arrow::MemoryMappedInputStream.new(@tempfile.path)
begin
assert_equal(@data.bytesize, input.size)
ensure
input.close
end
end
def test_read
input = Arrow::MemoryMappedInputStream.new(@tempfile.path)
begin
buffer = input.read(5)
assert_equal("Hello", buffer.data.to_s)
ensure
input.close
end
end
def test_read_at
input = Arrow::MemoryMappedInputStream.new(@tempfile.path)
begin
buffer = input.read_at(6, 5)
assert_equal("World", buffer.data.to_s)
ensure
input.close
end
end
def test_mode
input = Arrow::MemoryMappedInputStream.new(@tempfile.path)
begin
assert_equal(Arrow::FileMode::READWRITE, input.mode)
ensure
input.close
end
end
end
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