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require_relative '../../spec_helper'
require_relative 'fixtures/common'
require_relative 'shared/closed'
describe "Dir#read" do
before :all do
DirSpecs.create_mock_dirs
end
after :all do
DirSpecs.delete_mock_dirs
end
it "returns the file name in the current seek position" do
# an FS does not necessarily impose order
ls = Dir.entries DirSpecs.mock_dir
dir = Dir.open DirSpecs.mock_dir
ls.should include(dir.read)
dir.close
end
it "returns nil when there are no more entries" do
dir = Dir.open DirSpecs.mock_dir
DirSpecs.expected_paths.size.times do
dir.read.should_not == nil
end
dir.read.should == nil
dir.close
end
it "returns each entry successively" do
dir = Dir.open DirSpecs.mock_dir
entries = []
while entry = dir.read
entries << entry
end
dir.close
entries.sort.should == DirSpecs.expected_paths
end
platform_is_not :windows do
it "returns all directory entries even when encoding conversion will fail" do
dir = Dir.open(File.join(DirSpecs.mock_dir, 'special'))
utf8_entries = []
begin
while entry = dir.read
utf8_entries << entry
end
ensure
dir.close
end
old_internal_encoding = Encoding::default_internal
old_external_encoding = Encoding::default_external
Encoding.default_internal = Encoding::UTF_8
Encoding.default_external = Encoding::SHIFT_JIS
dir = Dir.open(File.join(DirSpecs.mock_dir, 'special'))
shift_jis_entries = []
begin
-> {
while entry = dir.read
shift_jis_entries << entry
end
}.should_not raise_error
ensure
dir.close
Encoding.default_internal = old_internal_encoding
Encoding.default_external = old_external_encoding
end
shift_jis_entries.size.should == utf8_entries.size
shift_jis_entries.filter { |f| f.encoding == Encoding::SHIFT_JIS }.size.should == 1
end
end
it_behaves_like :dir_closed, :read
end
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