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