mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
09caa217c2
* multiple splats error * delete operand; catch variable * disallow multiple splats * unassignable conditional * lone expansion param * class bodies pure statements/arguments * remove duplicate * getAndCheckSplatProps() * getAndCheckSplatsAndExpansions() * clean up disallowLoneExpansionAndMultipleSplats()
436 lines
8.5 KiB
CoffeeScript
436 lines
8.5 KiB
CoffeeScript
# String Literals
|
||
# ---------------
|
||
|
||
# TODO: refactor string literal tests
|
||
# TODO: add indexing and method invocation tests: "string"["toString"] is String::toString, "string".toString() is "string"
|
||
|
||
# * Strings
|
||
# * Heredocs
|
||
|
||
test "backslash escapes", ->
|
||
eq "\\/\\\\", /\/\\/.source
|
||
|
||
eq '(((dollars)))', '\(\(\(dollars\)\)\)'
|
||
eq 'one two three', "one
|
||
two
|
||
three"
|
||
eq "four five", 'four
|
||
|
||
five'
|
||
|
||
test "#3229, multiline strings", ->
|
||
# Separate lines by default by a single space in literal strings.
|
||
eq 'one
|
||
two', 'one two'
|
||
eq "one
|
||
two", 'one two'
|
||
eq '
|
||
a
|
||
b
|
||
', 'a b'
|
||
eq "
|
||
a
|
||
b
|
||
", 'a b'
|
||
eq 'one
|
||
|
||
two', 'one two'
|
||
eq "one
|
||
|
||
two", 'one two'
|
||
eq '
|
||
indentation
|
||
doesn\'t
|
||
matter', 'indentation doesn\'t matter'
|
||
eq 'trailing ws
|
||
doesn\'t matter', 'trailing ws doesn\'t matter'
|
||
|
||
# Use backslashes at the end of a line to specify whitespace between lines.
|
||
eq 'a \
|
||
b\
|
||
c \
|
||
d', 'a bc d'
|
||
eq "a \
|
||
b\
|
||
c \
|
||
d", 'a bc d'
|
||
eq 'ignore \
|
||
trailing whitespace', 'ignore trailing whitespace'
|
||
|
||
# Backslash at the beginning of a literal string.
|
||
eq '\
|
||
ok', 'ok'
|
||
eq ' \
|
||
ok', ' ok'
|
||
|
||
# #1273, empty strings.
|
||
eq '\
|
||
', ''
|
||
eq '
|
||
', ''
|
||
eq '
|
||
', ''
|
||
eq ' ', ' '
|
||
|
||
# Same behavior in interpolated strings.
|
||
eq "interpolation #{1}
|
||
follows #{2} \
|
||
too #{3}\
|
||
!", 'interpolation 1 follows 2 too 3!'
|
||
eq "a #{
|
||
'string ' + "inside
|
||
interpolation"
|
||
}", "a string inside interpolation"
|
||
eq "
|
||
#{1}
|
||
", '1'
|
||
|
||
# Handle escaped backslashes correctly.
|
||
eq '\\', `'\\'`
|
||
eq 'escaped backslash at EOL\\
|
||
next line', 'escaped backslash at EOL\\ next line'
|
||
eq '\\
|
||
next line', '\\ next line'
|
||
eq '\\
|
||
', '\\'
|
||
eq '\\\\\\
|
||
', '\\\\\\'
|
||
eq "#{1}\\
|
||
after interpolation", '1\\ after interpolation'
|
||
eq 'escaped backslash before slash\\ \
|
||
next line', 'escaped backslash before slash\\ next line'
|
||
eq 'triple backslash\\\
|
||
next line', 'triple backslash\\next line'
|
||
eq 'several escaped backslashes\\\\\\
|
||
ok', 'several escaped backslashes\\\\\\ ok'
|
||
eq 'several escaped backslashes slash\\\\\\\
|
||
ok', 'several escaped backslashes slash\\\\\\ok'
|
||
eq 'several escaped backslashes with trailing ws \\\\\\
|
||
ok', 'several escaped backslashes with trailing ws \\\\\\ ok'
|
||
|
||
# Backslashes at beginning of lines.
|
||
eq 'first line
|
||
\ backslash at BOL', 'first line \ backslash at BOL'
|
||
eq 'first line\
|
||
\ backslash at BOL', 'first line\ backslash at BOL'
|
||
|
||
# Backslashes at end of strings.
|
||
eq 'first line \ ', 'first line '
|
||
eq 'first line
|
||
second line \
|
||
', 'first line second line '
|
||
eq 'first line
|
||
second line
|
||
\
|
||
', 'first line second line'
|
||
eq 'first line
|
||
second line
|
||
|
||
\
|
||
|
||
', 'first line second line'
|
||
|
||
# Edge case.
|
||
eq 'lone
|
||
|
||
\
|
||
|
||
backslash', 'lone backslash'
|
||
|
||
test "#3249, escape newlines in heredocs with backslashes", ->
|
||
# Ignore escaped newlines
|
||
eq '''
|
||
Set whitespace \
|
||
<- this is ignored\
|
||
none
|
||
normal indentation
|
||
''', 'Set whitespace <- this is ignorednone\n normal indentation'
|
||
eq """
|
||
Set whitespace \
|
||
<- this is ignored\
|
||
none
|
||
normal indentation
|
||
""", 'Set whitespace <- this is ignorednone\n normal indentation'
|
||
|
||
# Changed from #647, trailing backslash.
|
||
eq '''
|
||
Hello, World\
|
||
|
||
''', 'Hello, World'
|
||
eq '''
|
||
\\
|
||
''', '\\'
|
||
|
||
# Backslash at the beginning of a literal string.
|
||
eq '''\
|
||
ok''', 'ok'
|
||
eq ''' \
|
||
ok''', ' ok'
|
||
|
||
# Same behavior in interpolated strings.
|
||
eq """
|
||
interpolation #{1}
|
||
follows #{2} \
|
||
too #{3}\
|
||
!
|
||
""", 'interpolation 1\n follows 2 too 3!'
|
||
eq """
|
||
|
||
#{1} #{2}
|
||
|
||
""", '\n1 2\n'
|
||
|
||
# Handle escaped backslashes correctly.
|
||
eq '''
|
||
escaped backslash at EOL\\
|
||
next line
|
||
''', 'escaped backslash at EOL\\\n next line'
|
||
eq '''\\
|
||
|
||
''', '\\\n'
|
||
|
||
# Backslashes at beginning of lines.
|
||
eq '''first line
|
||
\ backslash at BOL''', 'first line\n\ backslash at BOL'
|
||
eq """first line\
|
||
\ backslash at BOL""", 'first line\ backslash at BOL'
|
||
|
||
# Backslashes at end of strings.
|
||
eq '''first line \ ''', 'first line '
|
||
eq '''
|
||
first line
|
||
second line \
|
||
''', 'first line\nsecond line '
|
||
eq '''
|
||
first line
|
||
second line
|
||
\
|
||
''', 'first line\nsecond line'
|
||
eq '''
|
||
first line
|
||
second line
|
||
|
||
\
|
||
|
||
''', 'first line\nsecond line\n'
|
||
|
||
# Edge cases.
|
||
eq '''lone
|
||
|
||
\
|
||
|
||
|
||
|
||
backslash''', 'lone\n\n backslash'
|
||
eq '''\
|
||
''', ''
|
||
|
||
test '#2388: `"""` in heredoc interpolations', ->
|
||
eq """a heredoc #{
|
||
"inside \
|
||
interpolation"
|
||
}""", "a heredoc inside interpolation"
|
||
eq """a#{"""b"""}c""", 'abc'
|
||
eq """#{""""""}""", ''
|
||
|
||
test "trailing whitespace", ->
|
||
testTrailing = (str, expected) ->
|
||
eq CoffeeScript.eval(str.replace /\|$/gm, ''), expected
|
||
testTrailing '''" |
|
||
|
|
||
a |
|
||
|
|
||
"''', 'a'
|
||
testTrailing """''' |
|
||
|
|
||
a |
|
||
|
|
||
'''""", ' \na \n '
|
||
|
||
#647
|
||
eq "''Hello, World\\''", '''
|
||
'\'Hello, World\\\''
|
||
'''
|
||
eq '""Hello, World\\""', """
|
||
"\"Hello, World\\\""
|
||
"""
|
||
|
||
test "#1273, escaping quotes at the end of heredocs.", ->
|
||
# """\""" no longer compiles
|
||
eq """\\""", '\\'
|
||
eq """\\\"""", '\\\"'
|
||
|
||
a = """
|
||
basic heredoc
|
||
on two lines
|
||
"""
|
||
ok a is "basic heredoc\non two lines"
|
||
|
||
a = '''
|
||
a
|
||
"b
|
||
c
|
||
'''
|
||
ok a is "a\n \"b\nc"
|
||
|
||
a = """
|
||
a
|
||
b
|
||
c
|
||
"""
|
||
ok a is "a\n b\n c"
|
||
|
||
a = '''one-liner'''
|
||
ok a is 'one-liner'
|
||
|
||
a = """
|
||
out
|
||
here
|
||
"""
|
||
ok a is "out\nhere"
|
||
|
||
a = '''
|
||
a
|
||
b
|
||
c
|
||
'''
|
||
ok a is " a\n b\nc"
|
||
|
||
a = '''
|
||
a
|
||
|
||
|
||
b c
|
||
'''
|
||
ok a is "a\n\n\nb c"
|
||
|
||
a = '''more"than"one"quote'''
|
||
ok a is 'more"than"one"quote'
|
||
|
||
a = '''here's an apostrophe'''
|
||
ok a is "here's an apostrophe"
|
||
|
||
a = """""surrounded by two quotes"\""""
|
||
ok a is '""surrounded by two quotes""'
|
||
|
||
a = '''''surrounded by two apostrophes'\''''
|
||
ok a is "''surrounded by two apostrophes''"
|
||
|
||
# The indentation detector ignores blank lines without trailing whitespace
|
||
a = """
|
||
one
|
||
two
|
||
|
||
"""
|
||
ok a is "one\ntwo\n"
|
||
|
||
eq ''' line 0
|
||
should not be relevant
|
||
to the indent level
|
||
''', ' line 0\nshould not be relevant\n to the indent level'
|
||
|
||
eq """
|
||
interpolation #{
|
||
"contents"
|
||
}
|
||
should not be relevant
|
||
to the indent level
|
||
""", 'interpolation contents\nshould not be relevant\n to the indent level'
|
||
|
||
eq ''' '\\\' ''', " '\\' "
|
||
eq """ "\\\" """, ' "\\" '
|
||
|
||
eq ''' <- keep these spaces -> ''', ' <- keep these spaces -> '
|
||
|
||
eq '''undefined''', 'undefined'
|
||
eq """undefined""", 'undefined'
|
||
|
||
|
||
test "#1046, empty string interpolations", ->
|
||
eq "#{ }", ''
|
||
|
||
test "strings are not callable", ->
|
||
throwsCompileError '"a"()'
|
||
throwsCompileError '"a#{b}"()'
|
||
throwsCompileError '"a" 1'
|
||
throwsCompileError '"a#{b}" 1'
|
||
throwsCompileError '''
|
||
"a"
|
||
k: v
|
||
'''
|
||
throwsCompileError '''
|
||
"a#{b}"
|
||
k: v
|
||
'''
|
||
|
||
test "#3795: Escape otherwise invalid characters", ->
|
||
eq '
', '\u2028'
|
||
eq '
', '\u2029'
|
||
eq '\0\
|
||
1', '\x001'
|
||
eq "
", '\u2028'
|
||
eq "
", '\u2029'
|
||
eq "\0\
|
||
1", '\x001'
|
||
eq "\0\
|
||
9", '\x009'
|
||
eq "\0#{}0", '\x000'
|
||
eq '''
''', '\u2028'
|
||
eq '''
''', '\u2029'
|
||
eq '''\0\
|
||
1''', '\x001'
|
||
eq '''\0\
|
||
9''', '\x009'
|
||
eq """\0#{}1""", '\x001'
|
||
eq """
""", '\u2028'
|
||
eq """
""", '\u2029'
|
||
eq """\0\
|
||
1""", '\x001'
|
||
|
||
a = 'a'
|
||
eq "#{a}
", 'a\u2028'
|
||
eq "#{a}
", 'a\u2029'
|
||
eq "#{a}\0\
|
||
1", 'a\0' + '1'
|
||
eq """#{a}
""", 'a\u2028'
|
||
eq """#{a}
""", 'a\u2029'
|
||
eq """#{a}\0\
|
||
1""", 'a\0' + '1'
|
||
|
||
test "#4314: Whitespace less than or equal to stripped indentation", ->
|
||
# The odd indentation is intentional here, to test 1-space indentation.
|
||
eq ' ', """
|
||
#{} #{}
|
||
"""
|
||
|
||
eq '1 2 3 4 5 end\na 0 b', """
|
||
#{1} #{2} #{3} #{4} #{5} end
|
||
a #{0} b"""
|
||
|
||
test "#4248: Unicode code point escapes", ->
|
||
eq '\u01ab\u00cd', '\u{1ab}\u{cd}'
|
||
eq '\u01ab', '\u{000001ab}'
|
||
eq 'a\u01ab', "#{ 'a' }\u{1ab}"
|
||
eq '\u01abc', '''\u{01ab}c'''
|
||
eq '\u01abc', """\u{1ab}#{ 'c' }"""
|
||
eq '\udab3\uddef', '\u{bcdef}'
|
||
eq '\udab3\uddef', '\u{0000bcdef}'
|
||
eq 'a\udab3\uddef', "#{ 'a' }\u{bcdef}"
|
||
eq '\udab3\uddefc', '''\u{0bcdef}c'''
|
||
eq '\udab3\uddefc', """\u{bcdef}#{ 'c' }"""
|
||
eq '\\u{123456}', "#{'\\'}#{'u{123456}'}"
|
||
|
||
# don't rewrite code point escapes
|
||
eqJS """
|
||
'\\u{bcdef}\\u{abc}'
|
||
""",
|
||
"""
|
||
'\\u{bcdef}\\u{abc}';
|
||
"""
|
||
|
||
eqJS """
|
||
"#{ 'a' }\\u{bcdef}"
|
||
""",
|
||
"""
|
||
"a\\u{bcdef}";
|
||
"""
|