diff options
Diffstat (limited to 'activesupport/test')
-rw-r--r-- | activesupport/test/multibyte_chars_test.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/activesupport/test/multibyte_chars_test.rb b/activesupport/test/multibyte_chars_test.rb index a1ea8c8f4c..fc7b5e5081 100644 --- a/activesupport/test/multibyte_chars_test.rb +++ b/activesupport/test/multibyte_chars_test.rb @@ -169,6 +169,7 @@ class MultibyteCharsUTF8BehaviourTest < Test::Unit::TestCase assert chars('').strip.kind_of?(ActiveSupport::Multibyte.proxy_class) assert chars('').reverse.kind_of?(ActiveSupport::Multibyte.proxy_class) assert chars(' ').slice(0).kind_of?(ActiveSupport::Multibyte.proxy_class) + assert chars('').limit(0).kind_of?(ActiveSupport::Multibyte.proxy_class) assert chars('').upcase.kind_of?(ActiveSupport::Multibyte.proxy_class) assert chars('').downcase.kind_of?(ActiveSupport::Multibyte.proxy_class) assert chars('').capitalize.kind_of?(ActiveSupport::Multibyte.proxy_class) @@ -196,7 +197,9 @@ class MultibyteCharsUTF8BehaviourTest < Test::Unit::TestCase def test_should_return_character_offset_for_regexp_matches assert_nil(@chars =~ /wrong/u) assert_equal 0, (@chars =~ /こ/u) + assert_equal 0, (@chars =~ /こに/u) assert_equal 1, (@chars =~ /に/u) + assert_equal 2, (@chars =~ /ち/u) assert_equal 3, (@chars =~ /わ/u) end @@ -493,6 +496,44 @@ class MultibyteCharsExtrasTest < Test::Unit::TestCase end end + def test_limit_should_not_break_on_blank_strings + chars = ''.mb_chars + + assert_equal '', chars.limit(0) + assert_equal '', chars.limit(1) + end + + def test_limit_should_work_on_a_multibyte_string + chars = UNICODE_STRING.mb_chars + + assert_equal UNICODE_STRING, chars.limit(UNICODE_STRING.length) + assert_equal '', chars.limit(0) + assert_equal '', chars.limit(1) + assert_equal 'こ', chars.limit(3) + assert_equal 'こに', chars.limit(6) + assert_equal 'こに', chars.limit(8) + assert_equal 'こにち', chars.limit(9) + assert_equal 'こにちわ', chars.limit(50) + end + + def test_limit_should_work_on_an_ascii_string + ascii = ASCII_STRING.mb_chars + + assert_equal ASCII_STRING, ascii.limit(ASCII_STRING.length) + assert_equal '', ascii.limit(0) + assert_equal 'o', ascii.limit(1) + assert_equal 'oh', ascii.limit(2) + assert_equal 'ohay', ascii.limit(4) + assert_equal 'ohayo', ascii.limit(50) + end + + def test_limit_should_keep_under_the_specified_byte_limit + chars = UNICODE_STRING.mb_chars + (1..UNICODE_STRING.length).each do |limit| + assert chars.limit(limit).to_s.length <= limit + end + end + def test_composition_exclusion_is_set_up_properly # Normalization of DEVANAGARI LETTER QA breaks when composition exclusion isn't used correctly qa = [0x915, 0x93c].pack('U*') @@ -603,3 +644,21 @@ class MultibyteCharsExtrasTest < Test::Unit::TestCase end.pack('U*') end end + +class MultibyteInternalsTest < ActiveSupport::TestCase + include MultibyteTestHelpers + + test "Chars translates a character offset to a byte offset" do + chars = "Puisque c'était son erreur, il m'a aidé".mb_chars + [ + [0, 0], + [3, 3], + [12, 11], + [14, 13], + [41, 39] + ].each do |byte_offset, character_offset| + assert_equal character_offset, chars.send(:translate_offset, byte_offset), + "Expected byte offset #{byte_offset} to translate to #{character_offset}" + end + end +end
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