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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
@dirs = [Dir.new('.')]
@original = @dirs.first.fileno
end
after :each do
Dir.fchdir(@original)
@dirs.each(&:close)
end
it "changes to the specified directory" do
dir = Dir.new(DirSpecs.mock_dir)
@dirs << dir
Dir.fchdir dir.fileno
Dir.pwd.should == DirSpecs.mock_dir
end
it "returns 0 when successfully changing directory" do
Dir.fchdir(@original).should == 0
end
it "returns the value of the block when a block is given" do
Dir.fchdir(@original) { :block_value }.should == :block_value
end
it "changes to the specified directory for the duration of the block" do
pwd = Dir.pwd
dir = Dir.new(DirSpecs.mock_dir)
@dirs << dir
Dir.fchdir(dir.fileno) { Dir.pwd }.should == DirSpecs.mock_dir
Dir.pwd.should == pwd
end
it "raises a SystemCallError if the file descriptor given is not valid" do
-> { Dir.fchdir(-1) }.should raise_error(SystemCallError)
-> { Dir.fchdir(-1) { } }.should raise_error(SystemCallError)
end
it "raises a SystemCallError if the file descriptor given is not for a directory" do
-> { Dir.fchdir $stdout.fileno }.should raise_error(SystemCallError)
-> { Dir.fchdir($stdout.fileno) { } }.should raise_error(SystemCallError)
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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