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require_relative '../../spec_helper'
require_relative 'fixtures/common'
ruby_version_is '3.3' do
guard -> { Dir.respond_to? :fchdir } do
describe "Dir.fchdir" do
before :all do
DirSpecs.create_mock_dirs
end
after :all do
DirSpecs.delete_mock_dirs
end
before :each do
@original = Dir.pwd
end
after :each do
Dir.chdir(@original)
end
it "changes the current working directory to the directory specified by the integer file descriptor" do
dir = Dir.new(DirSpecs.mock_dir)
Dir.fchdir dir.fileno
Dir.pwd.should == DirSpecs.mock_dir
ensure
dir.close
end
it "returns 0 when successfully changing directory" do
dir = Dir.new(DirSpecs.mock_dir)
Dir.fchdir(dir.fileno).should == 0
ensure
dir.close
end
it "returns the value of the block when a block is given" do
dir = Dir.new(DirSpecs.mock_dir)
Dir.fchdir(dir.fileno) { :block_value }.should == :block_value
ensure
dir.close
end
it "changes to the specified directory for the duration of the block" do
dir = Dir.new(DirSpecs.mock_dir)
Dir.fchdir(dir.fileno) { Dir.pwd }.should == DirSpecs.mock_dir
Dir.pwd.should == @original
ensure
dir.close
end
it "raises a SystemCallError if the file descriptor given is not valid" do
-> { Dir.fchdir(-1) }.should raise_error(SystemCallError, "Bad file descriptor - fchdir")
-> { Dir.fchdir(-1) { } }.should raise_error(SystemCallError, "Bad file descriptor - fchdir")
end
it "raises a SystemCallError if the file descriptor given is not for a directory" do
-> { Dir.fchdir $stdout.fileno }.should raise_error(SystemCallError, /(Not a directory|Invalid argument) - fchdir/)
-> { Dir.fchdir($stdout.fileno) { } }.should raise_error(SystemCallError, /(Not a directory|Invalid argument) - fchdir/)
end
end
end
guard_not -> { Dir.respond_to? :fchdir } do
describe "Dir.fchdir" do
it "raises NotImplementedError" do
-> { Dir.fchdir 1 }.should raise_error(NotImplementedError)
-> { Dir.fchdir(1) { } }.should raise_error(NotImplementedError)
end
end
end
end
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