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# frozen_string_literal: true
require "abstract_unit"
require "multibyte_test_helpers"
class MultibyteConformanceTest < ActiveSupport::TestCase
include MultibyteTestHelpers
UNIDATA_FILE = "/NormalizationTest.txt"
RUN_P = begin
Downloader.download(UNIDATA_URL + UNIDATA_FILE, CACHE_DIR + UNIDATA_FILE)
rescue
end
def setup
@proxy = ActiveSupport::Multibyte::Chars
skip "Unable to download test data" unless RUN_P
end
def test_normalizations_C
ActiveSupport::Deprecation.silence do
each_line_of_norm_tests do |*cols|
col1, col2, col3, col4, col5, comment = *cols
# CONFORMANCE:
# 1. The following invariants must be true for all conformant implementations
#
# NFC
# c2 == NFC(c1) == NFC(c2) == NFC(c3)
assert_equal_codepoints col2, @proxy.new(col1).normalize(:c), "Form C - Col 2 has to be NFC(1) - #{comment}"
assert_equal_codepoints col2, @proxy.new(col2).normalize(:c), "Form C - Col 2 has to be NFC(2) - #{comment}"
assert_equal_codepoints col2, @proxy.new(col3).normalize(:c), "Form C - Col 2 has to be NFC(3) - #{comment}"
#
# c4 == NFC(c4) == NFC(c5)
assert_equal_codepoints col4, @proxy.new(col4).normalize(:c), "Form C - Col 4 has to be C(4) - #{comment}"
assert_equal_codepoints col4, @proxy.new(col5).normalize(:c), "Form C - Col 4 has to be C(5) - #{comment}"
end
end
end
def test_normalizations_D
ActiveSupport::Deprecation.silence do
each_line_of_norm_tests do |*cols|
col1, col2, col3, col4, col5, comment = *cols
#
# NFD
# c3 == NFD(c1) == NFD(c2) == NFD(c3)
assert_equal_codepoints col3, @proxy.new(col1).normalize(:d), "Form D - Col 3 has to be NFD(1) - #{comment}"
assert_equal_codepoints col3, @proxy.new(col2).normalize(:d), "Form D - Col 3 has to be NFD(2) - #{comment}"
assert_equal_codepoints col3, @proxy.new(col3).normalize(:d), "Form D - Col 3 has to be NFD(3) - #{comment}"
# c5 == NFD(c4) == NFD(c5)
assert_equal_codepoints col5, @proxy.new(col4).normalize(:d), "Form D - Col 5 has to be NFD(4) - #{comment}"
assert_equal_codepoints col5, @proxy.new(col5).normalize(:d), "Form D - Col 5 has to be NFD(5) - #{comment}"
end
end
end
def test_normalizations_KC
ActiveSupport::Deprecation.silence do
each_line_of_norm_tests do | *cols |
col1, col2, col3, col4, col5, comment = *cols
#
# NFKC
# c4 == NFKC(c1) == NFKC(c2) == NFKC(c3) == NFKC(c4) == NFKC(c5)
assert_equal_codepoints col4, @proxy.new(col1).normalize(:kc), "Form D - Col 4 has to be NFKC(1) - #{comment}"
assert_equal_codepoints col4, @proxy.new(col2).normalize(:kc), "Form D - Col 4 has to be NFKC(2) - #{comment}"
assert_equal_codepoints col4, @proxy.new(col3).normalize(:kc), "Form D - Col 4 has to be NFKC(3) - #{comment}"
assert_equal_codepoints col4, @proxy.new(col4).normalize(:kc), "Form D - Col 4 has to be NFKC(4) - #{comment}"
assert_equal_codepoints col4, @proxy.new(col5).normalize(:kc), "Form D - Col 4 has to be NFKC(5) - #{comment}"
end
end
end
def test_normalizations_KD
ActiveSupport::Deprecation.silence do
each_line_of_norm_tests do | *cols |
col1, col2, col3, col4, col5, comment = *cols
#
# NFKD
# c5 == NFKD(c1) == NFKD(c2) == NFKD(c3) == NFKD(c4) == NFKD(c5)
assert_equal_codepoints col5, @proxy.new(col1).normalize(:kd), "Form KD - Col 5 has to be NFKD(1) - #{comment}"
assert_equal_codepoints col5, @proxy.new(col2).normalize(:kd), "Form KD - Col 5 has to be NFKD(2) - #{comment}"
assert_equal_codepoints col5, @proxy.new(col3).normalize(:kd), "Form KD - Col 5 has to be NFKD(3) - #{comment}"
assert_equal_codepoints col5, @proxy.new(col4).normalize(:kd), "Form KD - Col 5 has to be NFKD(4) - #{comment}"
assert_equal_codepoints col5, @proxy.new(col5).normalize(:kd), "Form KD - Col 5 has to be NFKD(5) - #{comment}"
end
end
end
private
def each_line_of_norm_tests(&block)
File.open(File.join(CACHE_DIR, UNIDATA_FILE), "r") do | f |
until f.eof?
line = f.gets.chomp!
next if line.empty? || line.start_with?("#")
cols, comment = line.split("#")
cols = cols.split(";").map(&:strip).reject(&:empty?)
next unless cols.length == 5
# codepoints are in hex in the test suite, pack wants them as integers
cols.map! { |c| c.split.map { |codepoint| codepoint.to_i(16) }.pack("U*") }
cols << comment
yield(*cols)
end
end
end
def inspect_codepoints(str)
str.to_s.unpack("U*").map { |cp| cp.to_s(16) }.join(" ")
end
end
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