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# coding: utf-8
##
# String(Ext) Test
UTF8STRING = ("\343\201\202".size == 1)
assert('String.try_convert') do
assert_nil String.try_convert(nil)
assert_nil String.try_convert(:foo)
assert_equal "", String.try_convert("")
assert_equal "1,2,3", String.try_convert("1,2,3")
end
assert('String#getbyte') do
str1 = "hello"
bytes1 = [104, 101, 108, 108, 111]
assert_equal bytes1[0], str1.getbyte(0)
assert_equal bytes1[-1], str1.getbyte(-1)
assert_equal bytes1[6], str1.getbyte(6)
str2 = "\xFF"
bytes2 = [0xFF]
assert_equal bytes2[0], str2.getbyte(0)
end
assert('String#setbyte') do
str1 = "hello"
h = "H".getbyte(0)
str1.setbyte(0, h)
assert_equal(h, str1.getbyte(0))
assert_equal("Hello", str1)
end
assert("String#setbyte raises IndexError if arg conversion resizes String") do
$s = "01234\n"
class Tmp
def to_i
$s.chomp! ''
95
end
end
tmp = Tmp.new
assert_raise(IndexError) { $s.setbyte(5, tmp) }
end
assert('String#byteslice') do
str1 = "hello"
assert_equal("e", str1.byteslice(1))
assert_equal("o", str1.byteslice(-1))
assert_equal("ell", str1.byteslice(1..3))
assert_equal("el", str1.byteslice(1...3))
end
assert('String#dump') do
("\1" * 100).dump # should not raise an exception - regress #1210
"\0".inspect == "\"\\000\"" and
"foo".dump == "\"foo\""
end
assert('String#strip') do
s = " abc "
"".strip == "" and " \t\r\n\f\v".strip == "" and
"\0a\0".strip == "\0a" and
"abc".strip == "abc" and
" abc".strip == "abc" and
"abc ".strip == "abc" and
" abc ".strip == "abc" and
s == " abc "
end
assert('String#lstrip') do
s = " abc "
s.lstrip
"".lstrip == "" and " \t\r\n\f\v".lstrip == "" and
"\0a\0".lstrip == "\0a\0" and
"abc".lstrip == "abc" and
" abc".lstrip == "abc" and
"abc ".lstrip == "abc " and
" abc ".lstrip == "abc " and
s == " abc "
end
assert('String#rstrip') do
s = " abc "
s.rstrip
"".rstrip == "" and " \t\r\n\f\v".rstrip == "" and
"\0a\0".rstrip == "\0a" and
"abc".rstrip == "abc" and
" abc".rstrip == " abc" and
"abc ".rstrip == "abc" and
" abc ".rstrip == " abc" and
s == " abc "
end
assert('String#strip!') do
s = " abc "
t = "abc"
s.strip! == "abc" and s == "abc" and t.strip! == nil
end
assert('String#lstrip!') do
s = " abc "
t = "abc "
s.lstrip! == "abc " and s == "abc " and t.lstrip! == nil
end
assert('String#rstrip!') do
s = " abc "
t = " abc"
s.rstrip! == " abc" and s == " abc" and t.rstrip! == nil
end
assert('String#swapcase') do
assert_equal "hELLO", "Hello".swapcase
assert_equal "CyBeR_pUnK11", "cYbEr_PuNk11".swapcase
end
assert('String#swapcase!') do
s = "Hello"
t = s.clone
t.swapcase!
assert_equal s.swapcase, t
end
assert('String#concat') do
assert_equal "Hello World!", "Hello " << "World" << 33
assert_equal "Hello World!", "Hello ".concat("World").concat(33)
o = Object.new
def o.to_str
"to_str"
end
assert_equal "hi to_str", "hi " << o
assert_raise(TypeError) { "".concat(Object.new) }
end
assert('String#casecmp') do
assert_equal 1, "abcdef".casecmp("abcde")
assert_equal 0, "aBcDeF".casecmp("abcdef")
assert_equal(-1, "abcdef".casecmp("abcdefg"))
assert_equal 0, "abcdef".casecmp("ABCDEF")
o = Object.new
def o.to_str
"ABCDEF"
end
assert_equal 0, "abcdef".casecmp(o)
end
assert('String#start_with?') do
assert_true "hello".start_with?("heaven", "hell")
assert_true !"hello".start_with?("heaven", "paradise")
assert_true !"h".start_with?("heaven", "hell")
assert_raise TypeError do "hello".start_with?(true) end
end
assert('String#end_with?') do
assert_true "string".end_with?("ing", "mng")
assert_true !"string".end_with?("str", "tri")
assert_true !"ng".end_with?("ing", "mng")
assert_raise TypeError do "hello".end_with?(true) end
end
assert('String#partition') do
assert_equal ["a", "x", "axa"], "axaxa".partition("x")
assert_equal ["aaaaa", "", ""], "aaaaa".partition("x")
assert_equal ["", "", "aaaaa"], "aaaaa".partition("")
assert_equal ["", "a", "aaaa"], "aaaaa".partition("a")
assert_equal ["aaaa", "b", ""], "aaaab".partition("b")
assert_equal ["", "b", "aaaa"], "baaaa".partition("b")
assert_equal ["", "", ""], "".partition("a")
end
assert('String#rpartition') do
assert_equal ["axa", "x", "a"], "axaxa".rpartition("x")
assert_equal ["", "", "aaaaa"], "aaaaa".rpartition("x")
assert_equal ["aaaaa", "", ""], "aaaaa".rpartition("")
assert_equal ["aaaa", "a", ""], "aaaaa".rpartition("a")
assert_equal ["aaaa", "b", ""], "aaaab".rpartition("b")
assert_equal ["", "b", "aaaa"], "baaaa".rpartition("b")
assert_equal ["", "", ""], "".rpartition("a")
end
assert('String#hex') do
assert_equal 16, "10".hex
assert_equal 255, "ff".hex
assert_equal 16, "0x10".hex
assert_equal (-16), "-0x10".hex
assert_equal 0, "xyz".hex
assert_equal 16, "10z".hex
assert_equal 16, "1_0".hex
assert_equal 0, "".hex
end
assert('String#oct') do
assert_equal 8, "10".oct
assert_equal 7, "7".oct
assert_equal 0, "8".oct
assert_equal 0, "9".oct
assert_equal 0, "xyz".oct
assert_equal 8, "10z".oct
assert_equal 8, "1_0".oct
assert_equal 8, "010".oct
assert_equal (-8), "-10".oct
end
assert('String#chr') do
assert_equal "a", "abcde".chr
# test Fixnum#chr as well
assert_equal "a", 97.chr
end
assert('String#lines') do
assert_equal ["Hel\n", "lo\n", "World!"], "Hel\nlo\nWorld!".lines
assert_equal ["Hel\n", "lo\n", "World!\n"], "Hel\nlo\nWorld!\n".lines
assert_equal ["\n", "\n", "\n"], "\n\n\n".lines
assert_equal [], "".lines
end
assert('String#clear') do
# embed string
s = "foo"
assert_equal("", s.clear)
assert_equal("", s)
# not embed string and not shared string
s = "foo" * 100
a = s
assert_equal("", s.clear)
assert_equal("", s)
assert_equal("", a)
# shared string
s = "foo" * 100
a = s[10, 90] # create shared string
assert_equal("", s.clear) # clear
assert_equal("", s) # s is cleared
assert_not_equal("", a) # a should not be affected
end
assert('String#slice!') do
a = "AooBar"
b = a.dup
assert_equal "A", a.slice!(0)
assert_equal "AooBar", b
a = "FooBar"
assert_equal "r", a.slice!(-1)
assert_equal "FooBa", a
a = "FooBar"
assert_nil a.slice!(6)
assert_nil a.slice!(-7)
assert_equal "FooBar", a
a = "FooBar"
assert_equal "Foo", a.slice!(0, 3)
assert_equal "Bar", a
a = "FooBar"
assert_equal "Bar", a.slice!(-3, 3)
assert_equal "Foo", a
a = "FooBar"
assert_equal "", a.slice!(6, 2)
assert_equal "FooBar", a
a = "FooBar"
assert_nil a.slice!(-7,10)
assert_equal "FooBar", a
a = "FooBar"
assert_equal "Foo", a.slice!(0..2)
assert_equal "Bar", a
a = "FooBar"
assert_equal "Bar", a.slice!(-3..-1)
assert_equal "Foo", a
a = "FooBar"
assert_equal "", a.slice!(6..2)
assert_equal "FooBar", a
a = "FooBar"
assert_nil a.slice!(-10..-7)
assert_equal "FooBar", a
a = "FooBar"
assert_equal "Foo", a.slice!("Foo")
assert_equal "Bar", a
a = "FooBar"
assert_nil a.slice!("xyzzy")
assert_equal "FooBar", a
assert_raise(ArgumentError) { "foo".slice! }
end
assert('String#succ') do
assert_equal "", "".succ
assert_equal "1", "0".succ
assert_equal "10", "9".succ
assert_equal "01", "00".succ
assert_equal "a1", "a0".succ
assert_equal "A1", "A0".succ
assert_equal "10", "09".succ
assert_equal "b0", "a9".succ
assert_equal "B0", "A9".succ
assert_equal "b", "a".succ
assert_equal "aa", "z".succ
assert_equal "ab", "aa".succ
assert_equal "Ab", "Aa".succ
assert_equal "0b", "0a".succ
assert_equal "ba", "az".succ
assert_equal "Ba", "Az".succ
assert_equal "1a", "0z".succ
assert_equal "B", "A".succ
assert_equal "AA", "Z".succ
assert_equal "AB", "AA".succ
assert_equal "aB", "aA".succ
assert_equal "0B", "0A".succ
assert_equal "BA", "AZ".succ
assert_equal "bA", "aZ".succ
assert_equal "1A", "0Z".succ
assert_equal ".", "-".succ
assert_equal "\x01\x00", "\xff".succ
assert_equal "-b", "-a".succ
assert_equal "-aa", "-z".succ
assert_equal "-a-b-", "-a-a-".succ
assert_equal "-b-", "-a-".succ
assert_equal "-aa-", "-z-".succ
assert_equal "あb", "あa".succ
assert_equal "あba", "あaz".succ
a = ""; a.succ!
assert_equal "", a
a = "0"; a.succ!
assert_equal "1", a
a = "9"; a.succ!
assert_equal "10", a
a = "00"; a.succ!
assert_equal "01", a
a = "a0"; a.succ!
assert_equal "a1", a
a = "A0"; a.succ!
assert_equal "A1", a
a = "09"; a.succ!
assert_equal "10", a
a = "a9"; a.succ!
assert_equal "b0", a
a = "A9"; a.succ!
assert_equal "B0", a
a = "a"; a.succ!
assert_equal "b", a
a = "z"; a.succ!
assert_equal "aa", a
a = "aa"; a.succ!
assert_equal "ab", a
a = "Aa"; a.succ!
assert_equal "Ab", a
a = "0a"; a.succ!
assert_equal "0b", a
a = "az"; a.succ!
assert_equal "ba", a
a = "Az"; a.succ!
assert_equal "Ba", a
a = "0z"; a.succ!
assert_equal "1a", a
a = "A"; a.succ!
assert_equal "B", a
a = "Z"; a.succ!
assert_equal "AA", a
a = "AA"; a.succ!
assert_equal "AB", a
a = "aA"; a.succ!
assert_equal "aB", a
a = "0A"; a.succ!
assert_equal "0B", a
a = "AZ"; a.succ!
assert_equal "BA", a
a = "aZ"; a.succ!
assert_equal "bA", a
a = "0Z"; a.succ!
assert_equal "1A", a
a = "-"; a.succ!
assert_equal ".", a
a = "\xff"; a.succ!
assert_equal "\x01\x00", a
a = "-a"; a.succ!
assert_equal "-b", a
a = "-z"; a.succ!
assert_equal "-aa", a
a = "-a-a-"; a.succ!
assert_equal "-a-b-", a
a = "-a-"; a.succ!
assert_equal "-b-", a
a = "-z-"; a.succ!
assert_equal "-aa-", a
a = "あb"; a.succ!
assert_equal "あc", a
a = "あaz"; a.succ!
assert_equal "あba", a
end
assert('String#next') do
assert_equal "01", "00".next
a = "00"; a.next!
assert_equal "01", a
end
assert('String#insert') do
assert_equal "Xabcd", "abcd".insert(0, 'X')
assert_equal "abcXd", "abcd".insert(3, 'X')
assert_equal "abcdX", "abcd".insert(4, 'X')
assert_equal "abXcd", "abcd".insert(-3, 'X')
assert_equal "abcdX", "abcd".insert(-1, 'X')
assert_raise(IndexError) { "abcd".insert(5, 'X') }
assert_raise(IndexError) { "abcd".insert(-6, 'X') }
a = "abcd"
a.insert(0, 'X')
assert_equal "Xabcd", a
end
assert('String#prepend') do
a = "world"
assert_equal "hello world", a.prepend("hello ")
assert_equal "hello world", a
end
assert('String#ljust') do
assert_equal "hello", "hello".ljust(4)
assert_equal "hello ", "hello".ljust(20)
assert_equal 20, "hello".ljust(20).length
assert_equal "hello123412341234123", "hello".ljust(20, '1234')
assert_equal "hello", "hello".ljust(-3)
end
assert('String#rjust') do
assert_equal "hello", "hello".rjust(4)
assert_equal " hello", "hello".rjust(20)
assert_equal 20, "hello".rjust(20).length
assert_equal "123412341234123hello", "hello".rjust(20, '1234')
assert_equal "hello", "hello".rjust(-3)
end
if UTF8STRING
assert('String#ljust with UTF8') do
assert_equal "helloん ", "helloん".ljust(20)
assert_equal "helloó ", "helloó".ljust(34)
assert_equal 34, "helloó".ljust(34).length
assert_equal "helloんんんんんんんんんんんんんん", "hello".ljust(19, '')
assert_equal "helloんんんんんんんんんんんんんんん", "hello".ljust(20, '')
end
assert('String#rjust with UTF8') do
assert_equal " helloん", "helloん".rjust(20)
assert_equal " helloó", "helloó".rjust(34)
# assert_equal 34, "helloó".rjust(34).length
assert_equal "んんんんんんんんんんんんんんhello", "hello".rjust(19, '')
assert_equal "んんんんんんんんんんんんんんんhello", "hello".rjust(20, '')
end
assert('UTF8 byte counting') do
ret = ' '
ret[-6..-1] = "helloó"
assert_equal 34, ret.length
end
end
assert('String#ljust should not change string') do
a = "hello"
a.ljust(20)
assert_equal "hello", a
end
assert('String#rjust should not change string') do
a = "hello"
a.rjust(20)
assert_equal "hello", a
end
assert('String#ljust should raise on zero width padding') do
assert_raise(ArgumentError) { "foo".ljust(10, '') }
end
assert('String#rjust should raise on zero width padding') do
assert_raise(ArgumentError) { "foo".rjust(10, '') }
end
assert('String#upto') do
assert_equal %w(a8 a9 b0 b1 b2 b3 b4 b5 b6), "a8".upto("b6").to_a
assert_equal ["9", "10", "11"], "9".upto("11").to_a
assert_equal [], "25".upto("5").to_a
assert_equal ["07", "08", "09", "10", "11"], "07".upto("11").to_a
if UTF8STRING
assert_equal ["", "", "", "", "", "", "", "", ""], "".upto("").to_a
end
assert_equal ["9", ":", ";", "<", "=", ">", "?", "@", "A"], "9".upto("A").to_a
a = "aa"
start = "aa"
count = 0
assert_equal("aa", a.upto("zz") {|s|
assert_equal(start, s)
start.succ!
count += 1
})
assert_equal(676, count)
a = "a"
start = "a"
count = 0
assert_equal("a", a.upto("a") {|s|
assert_equal(start, s)
start.succ!
count += 1
})
assert_equal(1, count)
a = "a"
start = "a"
count = 0
assert_equal("a", a.upto("b", true) {|s|
assert_equal(start, s)
start.succ!
count += 1
})
assert_equal(1, count)
a = "0"
start = "0"
count = 0
assert_equal("0", a.upto("0") {|s|
assert_equal(start, s)
start.succ!
count += 1
})
assert_equal(1, count)
a = "0"
start = "0"
count = 0
assert_equal("0", a.upto("-1") {|s|
assert_equal(start, s)
start.succ!
count += 1
})
assert_equal(0, count)
a = "-1"
start = "-1"
count = 0
assert_equal("-1", a.upto("-2") {|s|
assert_equal(start, s)
start.succ!
count += 1
})
assert_equal(2, count)
assert_raise(TypeError) { "a".upto(:c) {} }
end
assert('String#ord') do
got = "hello!".split('').map {|x| x.ord}
expect = [104, 101, 108, 108, 111, 33]
unless UTF8STRING
got << "\xff".ord
expect << 0xff
end
assert_equal expect, got
end
assert('String#ord(UTF-8)') do
got = "こんにちは世界!".split('').map {|x| x.ord}
expect = [0x3053,0x3093,0x306b,0x3061,0x306f,0x4e16,0x754c,0x21]
assert_equal expect, got
end if UTF8STRING
assert('String#chr') do
assert_equal "h", "hello!".chr
end
assert('String#chr(UTF-8)') do
assert_equal "", "こんにちは世界!".chr
end if UTF8STRING
assert('String#chars') do
expect = ["h", "e", "l", "l", "o", "!"]
assert_equal expect, "hello!".chars
s = ""
"hello!".chars do |x|
s += x
end
assert_equal "hello!", s
end
assert('String#chars(UTF-8)') do
expect = ['', '', '', '', '', '', '', '!']
assert_equal expect, "こんにちは世界!".chars
s = ""
"こんにちは世界!".chars do |x|
s += x
end
assert_equal "こんにちは世界!", s
end if UTF8STRING
assert('String#each_char') do
s = ""
"hello!".each_char do |x|
s += x
end
assert_equal "hello!", s
end
assert('String#each_char(UTF-8)') do
s = ""
"こんにちは世界!".each_char do |x|
s += x
end
assert_equal "こんにちは世界!", s
end if UTF8STRING
assert('String#codepoints') do
expect = [104, 101, 108, 108, 111, 33]
assert_equal expect, "hello!".codepoints
cp = []
"hello!".codepoints do |x|
cp << x
end
assert_equal expect, cp
end
assert('String#codepoints(UTF-8)') do
expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
assert_equal expect, "こんにちは世界!".codepoints
cp = []
"こんにちは世界!".codepoints do |x|
cp << x
end
assert_equal expect, cp
end if UTF8STRING
assert('String#each_codepoint') do
expect = [104, 101, 108, 108, 111, 33]
cp = []
"hello!".each_codepoint do |x|
cp << x
end
assert_equal expect, cp
end
assert('String#each_codepoint(UTF-8)') do
expect = [12371, 12435, 12395, 12385, 12399, 19990, 30028, 33]
cp = []
"こんにちは世界!".each_codepoint do |x|
cp << x
end
assert_equal expect, cp
end if UTF8STRING
assert('String#delete_prefix') do
assert_equal "llo", "hello".delete_prefix("he")
assert_equal "hello", "hello".delete_prefix("llo")
assert_equal "llo", "hello".delete_prefix!("he")
assert_nil "hello".delete_prefix!("llo")
end
assert('String#delete_suffix') do
assert_equal "he", "hello".delete_suffix("llo")
assert_equal "hello", "hello".delete_suffix("he")
assert_equal "he", "hello".delete_suffix!("llo")
assert_nil "hello".delete_suffix!("he")
end