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e19bd3eaa8
M ruby_1_8_7/ChangeLog M ruby_1_8_7/inits.c M ruby_1_8_7/version.h M ruby_1_8_7/string.c M ruby_1_8_7/st.c M ruby_1_8_7/test/ruby/test_string.rb M ruby_1_8_7/random.c git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@34151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
45 lines
1 KiB
Ruby
45 lines
1 KiB
Ruby
require 'test/unit'
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require File.expand_path('envutil', File.dirname(__FILE__))
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class TestString < Test::Unit::TestCase
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def check_sum(str, bits=16)
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sum = 0
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str.each_byte {|c| sum += c}
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sum = sum & ((1 << bits) - 1) if bits != 0
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assert_equal(sum, str.sum(bits))
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end
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def test_sum
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assert_equal(0, "".sum)
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assert_equal(294, "abc".sum)
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check_sum("abc")
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check_sum("\x80")
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0.upto(70) {|bits|
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check_sum("xyz", bits)
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}
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end
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def test_inspect
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original_kcode = $KCODE
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$KCODE = 'n'
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assert_equal('"\343\201\202"', "\xe3\x81\x82".inspect)
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$KCODE = 'u'
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assert_equal("\"\343\201\202\"", "\xe3\x81\x82".inspect)
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assert_no_match(/\0/, "\xe3\x81".inspect, '[ruby-dev:39550]')
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ensure
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$KCODE = original_kcode
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end
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def test_hash_random
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str = 'abc'
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a = [str.hash.to_s]
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cmd = sprintf("%s -e 'print %s.hash'", EnvUtil.rubybin, str.dump)
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3.times {
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IO.popen(cmd, "rb") {|o|
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a << o.read
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}
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}
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assert_not_equal([str.hash.to_s], a.uniq)
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end
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end
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