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require 'psych/helper'
module Psych
class TestString < TestCase
class X < String
end
class Y < String
attr_accessor :val
end
class Z < String
def initialize
force_encoding Encoding::US_ASCII
end
end
def test_another_subclass_with_attributes
y = Psych.load Psych.dump Y.new("foo").tap {|y| y.val = 1}
assert_equal "foo", y
assert_equal Y, y.class
assert_equal 1, y.val
end
def test_backwards_with_syck
x = Psych.load "--- !str:#{X.name} foo\n\n"
assert_equal X, x.class
assert_equal 'foo', x
end
def test_empty_subclass
assert_match "!ruby/string:#{X}", Psych.dump(X.new)
x = Psych.load Psych.dump X.new
assert_equal X, x.class
end
def test_empty_character_subclass
assert_match "!ruby/string:#{Z}", Psych.dump(Z.new)
x = Psych.load Psych.dump Z.new
assert_equal Z, x.class
end
def test_subclass_with_attributes
y = Psych.load Psych.dump Y.new.tap {|y| y.val = 1}
assert_equal Y, y.class
assert_equal 1, y.val
end
def test_string_with_base_60
yaml = Psych.dump '01:03:05'
assert_match "'01:03:05'", yaml
assert_equal '01:03:05', Psych.load(yaml)
end
def test_nonascii_string_as_binary
string = "hello \x80 world!"
string.force_encoding 'ascii-8bit'
yml = Psych.dump string
assert_match(/binary/, yml)
assert_equal string, Psych.load(yml)
end
def test_binary_string_null
string = "\x00"
yml = Psych.dump string
assert_match(/binary/, yml)
assert_equal string, Psych.load(yml)
end
def test_binary_string
string = binary_string
yml = Psych.dump string
assert_match(/binary/, yml)
assert_equal string, Psych.load(yml)
end
def test_non_binary_string
string = binary_string(0.29)
yml = Psych.dump string
refute_match(/binary/, yml)
assert_equal string, Psych.load(yml)
end
def test_ascii_only_8bit_string
string = "abc".encode(Encoding::ASCII_8BIT)
yml = Psych.dump string
refute_match(/binary/, yml)
assert_equal string, Psych.load(yml)
end
def test_string_with_ivars
food = "is delicious"
ivar = "on rock and roll"
food.instance_variable_set(:@we_built_this_city, ivar)
str = Psych.load Psych.dump food
assert_equal ivar, food.instance_variable_get(:@we_built_this_city)
end
def test_binary
string = [0, 123,22, 44, 9, 32, 34, 39].pack('C*')
assert_cycle string
end
def binary_string percentage = 0.31, length = 100
string = ''
(percentage * length).to_i.times do |i|
string << "\b"
end
string << 'a' * (length - string.length)
string
end
end
end
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