From f989f7c7ea89bb0b4a120666f5e85c0a81c9b44c Mon Sep 17 00:00:00 2001 From: nobu Date: Sun, 30 Jan 2011 04:01:58 +0000 Subject: * string.c (rb_str_ellipsize): new function to ellipsize a string. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30729 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/-ext-/string/test_ellipsize.rb | 46 +++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 test/-ext-/string/test_ellipsize.rb (limited to 'test/-ext-/string') diff --git a/test/-ext-/string/test_ellipsize.rb b/test/-ext-/string/test_ellipsize.rb new file mode 100644 index 0000000000..6ef7d0a1a3 --- /dev/null +++ b/test/-ext-/string/test_ellipsize.rb @@ -0,0 +1,46 @@ +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 -- cgit v1.2.3