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##
# String ISO Test
assert
(
'String'
,
'15.2.10'
)
do
String
.
class
==
Class
end
assert
(
'String superclass'
,
'15.2.10.2'
)
do
String
.
superclass
==
Object
end
assert
(
'String#*'
,
'15.2.10.5.1'
)
do
'a'
*
5
==
'aaaaa'
end
assert
(
'String#+'
,
'15.2.10.5.2'
)
do
'a'
+
'b'
==
'ab'
end
assert
(
'String#<=>'
,
'15.2.10.5.3'
)
do
a
=
''
<=>
''
b
=
''
<=>
'not empty'
c
=
'not empty'
<=>
''
d
=
'abc'
<=>
'cba'
e
=
'cba'
<=>
'abc'
a
==
0
and
b
== -
1
and
c
==
1
and
d
== -
1
and
e
==
1
end
assert
(
'String#=='
,
'15.2.10.5.4'
)
do
'abc'
==
'abc'
and
not
'abc'
==
'cba'
end
# TODO: SEGFAULT ATM assert('String#=~', '15.2.10.5.5')
assert
(
'String#[]'
,
'15.2.10.5.6'
)
do
# length of args is 1
a
=
'abc'
[
0
]
b
=
'abc'
[
-
1
]
c
=
'abc'
[
10
]
d
=
'abc'
[
-
10
]
# length of args is 2
a1
=
'abc'
[
0
,
-
1
]
b1
=
'abc'
[
10
,
0
]
c1
=
'abc'
[
-
10
,
0
]
d1
=
'abc'
[
0
,
0
]
e1
=
'abc'
[
1
,
2
]
# args is RegExp
# TODO SEGFAULT ATM
# args is String
a3
=
'abc'
[
'bc'
]
b3
=
'abc'
[
'XX'
]
a
==
'a'
and
b
==
'c'
and
c
==
nil
and
d
==
nil
and
a1
==
nil
and
b1
==
nil
and
c1
==
nil
and
d1
==
''
and
e1
==
'bc'
and
a3
==
'bc'
and
b3
==
nil
end
assert
(
'String#[] with Range'
)
do
a1
=
'abc'
[
1
..
0
]
b1
=
'abc'
[
1
..
1
]
c1
=
'abc'
[
1
..
2
]
d1
=
'abc'
[
1
..
3
]
e1
=
'abc'
[
1
..
4
]
f1
=
'abc'
[
0
..-
2
]
g1
=
'abc'
[
-
2
..
3
]
h1
=
'abc'
[
3
..
4
]
i1
=
'abc'
[
4
..
5
]
a2
=
'abc'
[
1
...
0
]
b2
=
'abc'
[
1
...
1
]
c2
=
'abc'
[
1
...
2
]
d2
=
'abc'
[
1
...
3
]
e2
=
'abc'
[
1
...
4
]
f2
=
'abc'
[
0
...-
2
]
g2
=
'abc'
[
-
2
...
3
]
h2
=
'abc'
[
3
...
4
]
i2
=
'abc'
[
4
...
5
]
a1
==
''
and
b1
==
'b'
and
c1
==
'bc'
and
d1
==
'bc'
and
e1
==
'bc'
and
f1
==
'ab'
and
g1
==
'bc'
and
h1
==
''
and
i2
==
nil
and
a2
==
''
and
b2
==
''
and
c2
==
'b'
and
d2
==
'bc'
and
e2
==
'bc'
and
f2
==
'a'
and
g2
==
'bc'
and
h2
==
''
and
i2
==
nil
end
assert
(
'String#capitalize'
,
'15.2.10.5.7'
)
do
a
=
'abc'
a
.
capitalize
a
==
'abc'
and
'abc'
.
capitalize
==
'Abc'
end
assert
(
'String#capitalize!'
,
'15.2.10.5.8'
)
do
a
=
'abc'
a
.
capitalize!
a
==
'Abc'
end
assert
(
'String#chomp'
,
'15.2.10.5.9'
)
do
a
=
'abc'
.
chomp
b
=
''
.
chomp
c
=
"abc
\n
"
.
chomp
d
=
"abc
\n
\n
"
.
chomp
e
=
"abc
\t
"
.
chomp
(
"
\t
"
)
f
=
"abc
\n
"
f
.
chomp
a
==
'abc'
and
b
==
''
and
c
==
'abc'
and
d
==
"abc
\n
"
and
e
==
'abc'
and
f
==
"abc
\n
"
end
assert
(
'String#chomp!'
,
'15.2.10.5.10'
)
do
a
=
'abc'
b
=
''
c
=
"abc
\n
"
d
=
"abc
\n
\n
"
e
=
"abc
\t
"
a
.
chomp!
b
.
chomp!
c
.
chomp!
d
.
chomp!
e
.
chomp!
(
"
\t
"
)
a
==
'abc'
and
b
==
''
and
c
==
'abc'
and
d
==
"abc
\n
"
and
e
==
'abc'
end
assert
(
'String#chop'
,
'15.2.10.5.11'
)
do
a
=
''
.
chop
b
=
'abc'
.
chop
c
=
'abc'
c
.
chop
a
==
''
and
b
==
'ab'
and
c
==
'abc'
end
assert
(
'String#chop!'
,
'15.2.10.5.12'
)
do
a
=
''
b
=
'abc'
a
.
chop!
b
.
chop!
a
==
''
and
b
==
'ab'
end
assert
(
'String#downcase'
,
'15.2.10.5.13'
)
do
a
=
'ABC'
.
downcase
b
=
'ABC'
b
.
downcase
a
==
'abc'
and
b
==
'ABC'
end
assert
(
'String#downcase!'
,
'15.2.10.5.14'
)
do
a
=
'ABC'
a
.
downcase!
a
==
'abc'
end
assert
(
'String#each_line'
,
'15.2.10.5.15'
)
do
a
=
"first line
\n
second line
\n
third line"
list
=
[
"first line
\n
"
,
"second line
\n
"
,
"third line"
]
n_list
=
[
]
a
.
each_line
do
|
line
|
n_list
<<
line
end
list
==
n_list
end
assert
(
'String#empty?'
,
'15.2.10.5.16'
)
do
a
=
''
b
=
'not empty'
a
.
empty?
and
not
b
.
empty?
end
assert
(
'String#eql?'
,
'15.2.10.5.17'
)
do
'abc'
.
eql?
(
'abc'
)
and
not
'abc'
.
eql?
(
'cba'
)
end
assert
(
'String#gsub'
,
'15.2.10.5.18'
)
do
'abcabc'
.
gsub
(
'b'
,
'B'
)
==
'aBcaBc'
&&
'abcabc'
.
gsub
(
'b'
)
{
|
w
|
w
.
capitalize
}
==
'aBcaBc'
end
assert
(
'String#gsub!'
,
'15.2.10.5.19'
)
do
a
=
'abcabc'
a
.
gsub!
(
'b'
,
'B'
)
b
=
'abcabc'
b
.
gsub!
(
'b'
)
{
|
w
|
w
.
capitalize
}
a
==
'aBcaBc'
&&
b
==
'aBcaBc'
end
assert
(
'String#hash'
,
'15.2.10.5.20'
)
do
a
=
'abc'
a
.
hash
==
'abc'
.
hash
end
assert
(
'String#include?'
,
'15.2.10.5.21'
)
do
'abc'
.
include?
(
97
)
and
not
'abc'
.
include?
(
100
)
and
'abc'
.
include?
(
'a'
)
and
not
'abc'
.
include?
(
'd'
)
end
assert
(
'String#index'
,
'15.2.10.5.22'
)
do
'abc'
.
index
(
'a'
)
==
0
and
'abc'
.
index
(
'd'
)
==
nil
and
'abcabc'
.
index
(
'a'
,
1
)
==
3
end
assert
(
'String#initialize'
,
'15.2.10.5.23'
)
do
a
=
''
a
.
initialize
(
'abc'
)
a
==
'abc'
end
assert
(
'String#initialize_copy'
,
'15.2.10.5.24'
)
do
a
=
''
a
.
initialize_copy
(
'abc'
)
a
==
'abc'
end
assert
(
'String#intern'
,
'15.2.10.5.25'
)
do
'abc'
.
intern
==
:abc
end
assert
(
'String#length'
,
'15.2.10.5.26'
)
do
'abc'
.
length
==
3
end
# TODO Broken ATM assert('String#match', '15.2.10.5.27') do
assert
(
'String#replace'
,
'15.2.10.5.28'
)
do
a
=
''
a
.
replace
(
'abc'
)
a
==
'abc'
end
assert
(
'String#reverse'
,
'15.2.10.5.29'
)
do
a
=
'abc'
a
.
reverse
a
==
'abc'
and
'abc'
.
reverse
==
'cba'
end
assert
(
'String#reverse!'
,
'15.2.10.5.30'
)
do
a
=
'abc'
a
.
reverse!
a
==
'cba'
and
'abc'
.
reverse!
==
'cba'
end
assert
(
'String#rindex'
,
'15.2.10.5.31'
)
do
'abc'
.
rindex
(
'a'
)
==
0
and
'abc'
.
rindex
(
'd'
)
==
nil
and
'abcabc'
.
rindex
(
'a'
,
1
)
==
0
and
'abcabc'
.
rindex
(
'a'
,
4
)
==
3
end
# TODO Broken ATM assert('String#scan', '15.2.10.5.32') do
assert
(
'String#size'
,
'15.2.10.5.33'
)
do
'abc'
.
size
==
3
end
assert
(
'String#slice'
,
'15.2.10.5.34'
)
do
# length of args is 1
a
=
'abc'
.
slice
(
0
)
b
=
'abc'
.
slice
(
-
1
)
c
=
'abc'
.
slice
(
10
)
d
=
'abc'
.
slice
(
-
10
)
# length of args is 2
a1
=
'abc'
.
slice
(
0
,
-
1
)
b1
=
'abc'
.
slice
(
10
,
0
)
c1
=
'abc'
.
slice
(
-
10
,
0
)
d1
=
'abc'
.
slice
(
0
,
0
)
e1
=
'abc'
.
slice
(
1
,
2
)
# slice of shared string
e11
=
e1
.
slice
(
0
)
# args is RegExp
# TODO SEGFAULT ATM
# args is String
a3
=
'abc'
.
slice
(
'bc'
)
b3
=
'abc'
.
slice
(
'XX'
)
a
==
'a'
and
b
==
'c'
and
c
==
nil
and
d
==
nil
and
a1
==
nil
and
b1
==
nil
and
c1
==
nil
and
d1
==
''
and
e1
==
'bc'
and
e11
==
'b'
and
a3
==
'bc'
and
b3
==
nil
end
# TODO Broken ATM
assert
(
'String#split'
,
'15.2.10.5.35'
)
do
# without RegExp behavior is actually unspecified
'abc abc abc'
.
split
==
[
'abc'
,
'abc'
,
'abc'
]
and
'a,b,c,,d'
.
split
(
','
)
==
[
"a"
,
"b"
,
"c"
,
""
,
"d"
]
and
'abc abc abc'
.
split
(
nil
)
==
[
'abc'
,
'abc'
,
'abc'
]
and
'abc'
.
split
(
""
)
==
[
'a'
,
'b'
,
'c'
]
end
assert
(
'String#sub'
,
'15.2.10.5.36'
)
do
'abcabc'
.
sub
(
'b'
,
'B'
)
==
'aBcabc'
&&
'abcabc'
.
sub
(
'b'
)
{
|
w
|
w
.
capitalize
}
==
'aBcabc'
end
assert
(
'String#sub!'
,
'15.2.10.5.37'
)
do
a
=
'abcabc'
a
.
sub!
(
'b'
,
'B'
)
b
=
'abcabc'
b
.
sub!
(
'b'
)
{
|
w
|
w
.
capitalize
}
a
==
'aBcabc'
&&
b
==
'aBcabc'
end
assert
(
'String#to_i'
,
'15.2.10.5.38'
)
do
a
=
''
.
to_i
b
=
'123456789'
.
to_i
c
=
'a'
.
to_i
(
16
)
d
=
'100'
.
to_i
(
2
)
a
==
0
and
b
==
123456789
and
c
==
10
and
d
==
4
end
assert
(
'String#to_f'
,
'15.2.10.5.39'
)
do
a
=
''
.
to_f
b
=
'123456789'
.
to_f
c
=
'12345.6789'
.
to_f
check_float
(
a
,
0.0
)
and
check_float
(
b
,
123456789.0
)
and
check_float
(
c
,
12345.6789
)
end
assert
(
'String#to_s'
,
'15.2.10.5.40'
)
do
'abc'
.
to_s
==
'abc'
end
assert
(
'String#to_sym'
,
'15.2.10.5.41'
)
do
'abc'
.
to_sym
==
:abc
end
assert
(
'String#upcase'
,
'15.2.10.5.42'
)
do
a
=
'abc'
.
upcase
b
=
'abc'
b
.
upcase
a
==
'ABC'
and
b
==
'abc'
end
assert
(
'String#upcase!'
,
'15.2.10.5.43'
)
do
a
=
'abc'
a
.
upcase!
a
==
'ABC'
end
# Not ISO specified
assert
(
'String interpolation (mrb_str_concat for shared strings)'
)
do
a
=
"A"
*
32
"
#{
a
}
:"
==
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA:"
end
assert
(
'Check the usage of a NUL character'
)
do
"qqq
\0
ppp"
end
assert
(
'String#bytes'
)
do
str1
=
"hello"
bytes1
=
[
104
,
101
,
108
,
108
,
111
]
str2
=
"
\xFF
"
bytes2
=
[
0xFF
]
str1
.
bytes
==
bytes1
and
str2
.
bytes
==
bytes2
end
assert
(
'String#each_byte'
)
do
str1
=
"hello"
bytes1
=
[
104
,
101
,
108
,
108
,
111
]
bytes2
=
[
]
str1
.
each_byte
{
|
b
|
bytes2
<<
b
}
bytes1
==
bytes2
end
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