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ruby--ruby/spec/ruby/core/exception/errno_spec.rb
2021-11-29 15:50:28 +01:00

67 lines
2 KiB
Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/common'
describe "Errno::EINVAL.new" do
it "can be called with no arguments" do
exc = Errno::EINVAL.new
exc.should be_an_instance_of(Errno::EINVAL)
exc.errno.should == Errno::EINVAL::Errno
exc.message.should == "Invalid argument"
end
it "accepts an optional custom message" do
exc = Errno::EINVAL.new('custom message')
exc.should be_an_instance_of(Errno::EINVAL)
exc.errno.should == Errno::EINVAL::Errno
exc.message.should == "Invalid argument - custom message"
end
it "accepts an optional custom message and location" do
exc = Errno::EINVAL.new('custom message', 'location')
exc.should be_an_instance_of(Errno::EINVAL)
exc.errno.should == Errno::EINVAL::Errno
exc.message.should == "Invalid argument @ location - custom message"
end
end
describe "Errno::EMFILE" do
it "can be subclassed" do
ExceptionSpecs::EMFILESub = Class.new(Errno::EMFILE)
exc = ExceptionSpecs::EMFILESub.new
exc.should be_an_instance_of(ExceptionSpecs::EMFILESub)
end
end
describe "Errno::EAGAIN" do
# From http://jira.codehaus.org/browse/JRUBY-4747
it "is the same class as Errno::EWOULDBLOCK if they represent the same errno value" do
if Errno::EAGAIN::Errno == Errno::EWOULDBLOCK::Errno
Errno::EAGAIN.should == Errno::EWOULDBLOCK
else
Errno::EAGAIN.should_not == Errno::EWOULDBLOCK
end
end
end
describe "Errno::ENOTSUP" do
it "is defined" do
Errno.should have_constant(:ENOTSUP)
end
it "is the same class as Errno::EOPNOTSUPP if they represent the same errno value" do
if Errno::ENOTSUP::Errno == Errno::EOPNOTSUPP::Errno
Errno::ENOTSUP.should == Errno::EOPNOTSUPP
else
Errno::ENOTSUP.should_not == Errno::EOPNOTSUPP
end
end
end
describe "Errno::ENOENT" do
it "lets subclasses inherit the default error message" do
c = Class.new(Errno::ENOENT)
raise c, "custom message"
rescue => e
e.message.should == "No such file or directory - custom message"
end
end