require 'test/unit' require "-test-/string/string" class Test_StringEllipsize < Test::Unit::TestCase def setup @foobar = Bug::String.new("foobar") end def assert_equal_with_class(expected, result, *rest) assert_equal(expected.encoding, result.encoding, *rest) assert_equal(expected, result, result.encoding.name) assert_instance_of(Bug::String, result, *rest) end def test_longer assert_equal_with_class("", @foobar.ellipsize(0)) assert_equal_with_class(".", @foobar.ellipsize(1)) assert_equal_with_class("..", @foobar.ellipsize(2)) assert_equal_with_class("...", @foobar.ellipsize(3)) assert_equal_with_class("f...", @foobar.ellipsize(4)) assert_equal_with_class("fo...", @foobar.ellipsize(5)) end def test_shorter assert_same(@foobar, @foobar.ellipsize(6)) assert_same(@foobar, @foobar.ellipsize(7)) end def test_negative_length assert_raise(IndexError) {@foobar.ellipsize(-1)} end def test_nonascii a = "\u3042" encs = Encoding.list.each do |enc| next if enc.dummy? begin s = a.encode(enc) e = "...".encode(enc) rescue else assert_equal_with_class(s*12+e, Bug::String.new(s*20).ellipsize(15)) end end end end