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ruby--ruby/test/ripper/test_scanner_events.rb

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Ruby

# frozen_string_literal: true
#
# test_scanner_events.rb
#
begin
require 'ripper'
require 'test/unit'
ripper_test = true
module TestRipper; end
rescue LoadError
end
class TestRipper::ScannerEvents < Test::Unit::TestCase
def test_event_coverage
dispatched = Ripper::SCANNER_EVENTS.map {|event,_| event }
dispatched.each do |e|
assert_respond_to(self, ["test_#{e}", true], "event not tested: #{e}")
end
end
def scan(target, str, &error)
sym = "on_#{target}".intern
lexer = Ripper::Lexer.new(str)
if error
lexer.singleton_class.class_eval do
define_method(:on_error) {|ev|
yield __callee__, ev, token()
}
alias on_parse_error on_error
alias compile_error on_error
end
end
lexer.lex.select {|_1,type,_2| type == sym }.map {|_1,_2,tok| tok }
end
def test_tokenize
assert_equal [],
Ripper.tokenize('')
assert_equal ['a'],
Ripper.tokenize('a')
assert_equal ['1'],
Ripper.tokenize('1')
assert_equal ['1', ';', 'def', ' ', 'm', '(', 'arg', ')', 'end'],
Ripper.tokenize("1;def m(arg)end")
assert_equal ['print', '(', '<<''EOS', ')', "\n", "heredoc\n", "EOS\n"],
Ripper.tokenize("print(<<""EOS)\nheredoc\nEOS\n")
assert_equal ['print', '(', ' ', '<<''EOS', ')', "\n", "heredoc\n", "EOS\n"],
Ripper.tokenize("print( <<""EOS)\nheredoc\nEOS\n")
assert_equal ["\#\n", "\n", "\#\n", "\n", "nil", "\n"],
Ripper.tokenize("\#\n\n\#\n\nnil\n")
assert_equal ["1", " ", ".", "foo", "\n"],
Ripper.tokenize("1 .foo\n")
assert_equal ["1", "\n", " ", ".", "foo", "\n"],
Ripper.tokenize("1\n .foo\n")
end
def test_lex
assert_equal [],
Ripper.lex('')
assert_equal [[[1,0], :on_ident, "a", Ripper::EXPR_CMDARG]],
Ripper.lex('a')
assert_equal [[[1, 0], :on_kw, "nil", Ripper::EXPR_END]],
Ripper.lex("nil")
assert_equal [[[1, 0], :on_kw, "def", Ripper::EXPR_FNAME],
[[1, 3], :on_sp, " ", Ripper::EXPR_FNAME],
[[1, 4], :on_ident, "m", Ripper::EXPR_ENDFN],
[[1, 5], :on_lparen, "(", Ripper::EXPR_BEG | Ripper::EXPR_LABEL],
[[1, 6], :on_ident, "a", Ripper::EXPR_ARG],
[[1, 7], :on_rparen, ")", Ripper::EXPR_ENDFN],
[[1, 8], :on_kw, "end", Ripper::EXPR_END]],
Ripper.lex("def m(a)end")
assert_equal [[[1, 0], :on_int, "1", Ripper::EXPR_END],
[[1, 1], :on_nl, "\n", Ripper::EXPR_BEG],
[[2, 0], :on_int, "2", Ripper::EXPR_END],
[[2, 1], :on_nl, "\n", Ripper::EXPR_BEG],
[[3, 0], :on_int, "3", Ripper::EXPR_END]],
Ripper.lex("1\n2\n3")
assert_equal [[[1, 0], :on_heredoc_beg, "<<""EOS", Ripper::EXPR_BEG],
[[1, 5], :on_nl, "\n", Ripper::EXPR_BEG],
[[2, 0], :on_tstring_content, "heredoc\n", Ripper::EXPR_BEG],
[[3, 0], :on_heredoc_end, "EOS", Ripper::EXPR_BEG]],
Ripper.lex("<<""EOS\nheredoc\nEOS")
assert_equal [[[1, 0], :on_heredoc_beg, "<<""EOS", Ripper::EXPR_BEG],
[[1, 5], :on_nl, "\n", Ripper::EXPR_BEG],
[[2, 0], :on_heredoc_end, "EOS", Ripper::EXPR_BEG]],
Ripper.lex("<<""EOS\nEOS"),
"bug#4543"
assert_equal [[[1, 0], :on_regexp_beg, "/", Ripper::EXPR_BEG],
[[1, 1], :on_tstring_content, "foo\nbar", Ripper::EXPR_BEG],
[[2, 3], :on_regexp_end, "/", Ripper::EXPR_BEG]],
Ripper.lex("/foo\nbar/")
assert_equal [[[1, 0], :on_regexp_beg, "/", Ripper::EXPR_BEG],
[[1, 1], :on_tstring_content, "foo\n\u3020", Ripper::EXPR_BEG],
[[2, 3], :on_regexp_end, "/", Ripper::EXPR_BEG]],
Ripper.lex("/foo\n\u3020/")
assert_equal [[[1, 0], :on_tstring_beg, "'", Ripper::EXPR_BEG],
[[1, 1], :on_tstring_content, "foo\n\xe3\x80\xa0", Ripper::EXPR_BEG],
[[2, 3], :on_tstring_end, "'", Ripper::EXPR_END]],
Ripper.lex("'foo\n\xe3\x80\xa0'")
assert_equal [[[1, 0], :on_tstring_beg, "'", Ripper::EXPR_BEG],
[[1, 1], :on_tstring_content, "\u3042\n\u3044", Ripper::EXPR_BEG],
[[2, 3], :on_tstring_end, "'", Ripper::EXPR_END]],
Ripper.lex("'\u3042\n\u3044'")
assert_equal [[[1, 0], :on_rational, "1r", Ripper::EXPR_END],
[[1, 2], :on_nl, "\n", Ripper::EXPR_BEG],
[[2, 0], :on_imaginary, "2i", Ripper::EXPR_END],
[[2, 2], :on_nl, "\n", Ripper::EXPR_BEG],
[[3, 0], :on_imaginary, "3ri", Ripper::EXPR_END],
[[3, 3], :on_nl, "\n", Ripper::EXPR_BEG],
[[4, 0], :on_rational, "4.2r", Ripper::EXPR_END],
[[4, 4], :on_nl, "\n", Ripper::EXPR_BEG],
[[5, 0], :on_imaginary, "5.6ri", Ripper::EXPR_END],
],
Ripper.lex("1r\n2i\n3ri\n4.2r\n5.6ri")
assert_equal [[[1, 0], :on_heredoc_beg, "<<~EOS", Ripper::EXPR_BEG],
[[1, 6], :on_nl, "\n", Ripper::EXPR_BEG],
[[2, 0], :on_ignored_sp, " ", Ripper::EXPR_BEG],
[[2, 2], :on_tstring_content, "heredoc\n", Ripper::EXPR_BEG],
[[3, 0], :on_heredoc_end, "EOS", Ripper::EXPR_BEG]
],
Ripper.lex("<<~EOS\n heredoc\nEOS")
assert_equal [[[1, 0], :on_tstring_beg, "'", Ripper::EXPR_BEG],
[[1, 1], :on_tstring_content, "foo", Ripper::EXPR_BEG]],
Ripper.lex("'foo")
end
def test_location
assert_location ""
assert_location " "
assert_location ":"
assert_location "\n"
assert_location "\r\n"
assert_location "\n\n\n\n\n\r\n\n\n"
assert_location "\n;\n;\n;\n;\n"
assert_location "nil"
assert_location "@ivar"
assert_location "1;2;3"
assert_location "1\n2\n3"
assert_location "1\n2\n3\n"
assert_location "def m(a) nil end"
assert_location "if true then false else nil end"
assert_location "BEGIN{print nil}"
assert_location "%w(a b\nc\r\nd \ne )"
assert_location %Q["a\nb\r\nc"]
assert_location "print(<<""EOS)\nheredoc\nEOS\n"
assert_location "print(<<-\"EOS\")\nheredoc\n EOS\n"
assert_location "'foo'"
assert_location "'foo"
end
def assert_location(src)
buf = ''.dup
Ripper.lex(src).each do |pos, type, tok|
line, col = *pos
assert_equal buf.count("\n") + 1, line,
"wrong lineno: #{tok.inspect} (#{type}) [#{line}:#{col}]"
assert_equal buf.sub(/\A.*\n/m, '').size, col,
"wrong column: #{tok.inspect} (#{type}) [#{line}:#{col}]"
buf << tok
end
assert_equal src, buf
end
def test_backref
assert_equal ["$`", "$&", "$'", '$1', '$2', '$3'],
scan('backref', %q[m($~, $`, $&, $', $1, $2, $3)])
end
def test_backtick
assert_equal ["`"],
scan('backtick', %q[p `make all`])
end
def test_comma
assert_equal [','] * 6,
scan('comma', %q[ m(0,1,2,3,4,5,6) ])
assert_equal [],
scan('comma', %q[".,.,.,.,.,.,.."])
assert_equal [],
scan('comma', "<<""EOS\n,,,,,,,,,,\nEOS")
end
def test_period
assert_equal [],
scan('period', '')
assert_equal ['.'],
scan('period', 'a.b')
assert_equal ['.'],
scan('period', 'Object.new')
assert_equal [],
scan('period', '"."')
assert_equal [],
scan('period', '1..2')
assert_equal [],
scan('period', '1...3')
end
def test_const
assert_equal ['CONST'],
scan('const', 'CONST')
assert_equal ['C'],
scan('const', 'C')
assert_equal ['CONST_A'],
scan('const', 'CONST_A')
assert_equal ['Const', 'Const2', 'Const3'],
scan('const', 'Const; Const2; Const3')
assert_equal ['Const'],
scan('const', 'Const(a)')
assert_equal ['M', 'A', 'A2'],
scan('const', 'M(A,A2)')
assert_equal [],
scan('const', '')
assert_equal [],
scan('const', 'm(lvar, @ivar, @@cvar, $gvar)')
end
def test_cvar
assert_equal [],
scan('cvar', '')
assert_equal ['@@cvar'],
scan('cvar', '@@cvar')
assert_equal ['@@__cvar__'],
scan('cvar', '@@__cvar__')
assert_equal ['@@CVAR'],
scan('cvar', '@@CVAR')
assert_equal ['@@cvar'],
scan('cvar', ' @@cvar#comment')
assert_equal ['@@cvar'],
scan('cvar', ':@@cvar')
assert_equal ['@@cvar'],
scan('cvar', 'm(lvar, @ivar, @@cvar, $gvar)')
assert_equal [],
scan('cvar', '"@@cvar"')
end
def test_embexpr_beg
assert_equal [],
scan('embexpr_beg', '')
assert_equal ['#{'],
scan('embexpr_beg', '"#{expr}"')
assert_equal [],
scan('embexpr_beg', '%q[#{expr}]')
assert_equal ['#{'],
scan('embexpr_beg', '%Q[#{expr}]')
assert_equal ['#{'],
scan('embexpr_beg', "m(<<""EOS)\n\#{expr}\nEOS")
end
def test_embexpr_end
assert_equal [],
scan('embexpr_end', '')
assert_equal ['}'],
scan('embexpr_end', '"#{expr}"')
assert_equal [],
scan('embexpr_end', '%q[#{expr}]')
assert_equal ['}'],
scan('embexpr_end', '%Q[#{expr}]')
assert_equal ['}'],
scan('embexpr_end', "m(<<""EOS)\n\#{expr}\nEOS")
end
def test_embvar
assert_equal [],
scan('embvar', '')
assert_equal ['#'],
scan('embvar', '"#$gvar"')
assert_equal ['#'],
scan('embvar', '"#@ivar"')
assert_equal ['#'],
scan('embvar', '"#@@cvar"')
assert_equal ['#'],
scan('embvar', '"#@1"')
assert_equal [],
scan('embvar', '"#lvar"')
assert_equal [],
scan('embvar', '"#"')
assert_equal [],
scan('embvar', '"\#$gvar"')
assert_equal [],
scan('embvar', '"\#@ivar"')
assert_equal [],
scan('embvar', '%q[#@ivar]')
assert_equal ['#'],
scan('embvar', '%Q[#@ivar]')
end
def test_float
assert_equal [],
scan('float', '')
assert_equal ['1.000'],
scan('float', '1.000')
assert_equal ['123.456'],
scan('float', '123.456')
assert_equal ['1.2345678901234567890123456789'],
scan('float', '1.2345678901234567890123456789')
assert_equal ['1.000'],
scan('float', ' 1.000# comment')
assert_equal ['1.234e5'],
scan('float', '1.234e5')
assert_equal ['1.234e1234567890'],
scan('float', '1.234e1234567890')
assert_equal ['1.0'],
scan('float', 'm(a,b,1.0,c,d)')
end
def test_rational
assert_equal [],
scan('rational', '')
assert_equal ['1r', '10r', '10.1r'],
scan('rational', 'm(1r,10r,10.1r)')
end
def test_gvar
assert_equal [],
scan('gvar', '')
assert_equal ['$a'],
scan('gvar', '$a')
assert_equal ['$A'],
scan('gvar', '$A')
assert_equal ['$gvar'],
scan('gvar', 'm(lvar, @ivar, @@cvar, $gvar)')
assert_equal %w($_ $~ $* $$ $? $! $@ $/ $\\ $; $, $. $= $: $< $> $"),
scan('gvar', 'm($_, $~, $*, $$, $?, $!, $@, $/, $\\, $;, $,, $., $=, $:, $<, $>, $")')
end
def test_ident
assert_equal [],
scan('ident', '')
assert_equal ['lvar'],
scan('ident', 'lvar')
assert_equal ['m', 'lvar'],
scan('ident', 'm(lvar, @ivar, @@cvar, $gvar)')
end
def test_imaginary
assert_equal [],
scan('imaginary', '')
assert_equal ['1i', '10ri', '10.0i', '10.1ri'],
scan('imaginary', 'm(1i,10ri,10.0i,10.1ri)')
end
def test_int
assert_equal [],
scan('int', '')
assert_equal ['1', '10', '100000000000000'],
scan('int', 'm(1,10,100000000000000)')
end
def test_ivar
assert_equal [],
scan('ivar', '')
assert_equal ['@ivar'],
scan('ivar', '@ivar')
assert_equal ['@__ivar__'],
scan('ivar', '@__ivar__')
assert_equal ['@IVAR'],
scan('ivar', '@IVAR')
assert_equal ['@ivar'],
scan('ivar', 'm(lvar, @ivar, @@cvar, $gvar)')
end
def test_tnumparam
assert_equal [],
scan('tnumparam', '')
assert_equal ['@1'],
scan('tnumparam', 'proc {@1}')
end
def test_kw
assert_equal [],
scan('kw', '')
assert_equal %w(not),
scan('kw', 'not 1')
assert_equal %w(and),
scan('kw', '1 and 2')
assert_equal %w(or),
scan('kw', '1 or 2')
assert_equal %w(if then else end),
scan('kw', 'if 1 then 2 else 3 end')
assert_equal %w(if then elsif else end),
scan('kw', 'if 1 then 2 elsif 3 else 4 end')
assert_equal %w(unless then end),
scan('kw', 'unless 1 then end')
assert_equal %w(if true),
scan('kw', '1 if true')
assert_equal %w(unless false),
scan('kw', '2 unless false')
assert_equal %w(case when when else end),
scan('kw', 'case n; when 1; when 2; else 3 end')
assert_equal %w(while do nil end),
scan('kw', 'while 1 do nil end')
assert_equal %w(until do nil end),
scan('kw', 'until 1 do nil end')
assert_equal %w(while),
scan('kw', '1 while 2')
assert_equal %w(until),
scan('kw', '1 until 2')
assert_equal %w(while break next retry end),
scan('kw', 'while 1; break; next; retry end')
assert_equal %w(for in next break end),
scan('kw', 'for x in obj; next 1; break 2 end')
assert_equal %w(begin rescue retry end),
scan('kw', 'begin 1; rescue; retry; end')
assert_equal %w(rescue),
scan('kw', '1 rescue 2')
assert_equal %w(def redo return end),
scan('kw', 'def m() redo; return end')
assert_equal %w(def yield yield end),
scan('kw', 'def m() yield; yield 1 end')
assert_equal %w(def super super super end),
scan('kw', 'def m() super; super(); super(1) end')
assert_equal %w(alias),
scan('kw', 'alias a b')
assert_equal %w(undef),
scan('kw', 'undef public')
assert_equal %w(class end),
scan('kw', 'class A < Object; end')
assert_equal %w(module end),
scan('kw', 'module M; end')
assert_equal %w(class end),
scan('kw', 'class << obj; end')
assert_equal %w(BEGIN),
scan('kw', 'BEGIN { }')
assert_equal %w(END),
scan('kw', 'END { }')
assert_equal %w(self),
scan('kw', 'self.class')
assert_equal %w(nil true false),
scan('kw', 'p(nil, true, false)')
assert_equal %w(__FILE__ __LINE__),
scan('kw', 'p __FILE__, __LINE__')
assert_equal %w(defined?),
scan('kw', 'defined?(Object)')
end
def test_lbrace
assert_equal [],
scan('lbrace', '')
assert_equal ['{'],
scan('lbrace', '3.times{ }')
assert_equal ['{'],
scan('lbrace', '3.times { }')
assert_equal ['{'],
scan('lbrace', '3.times{}')
assert_equal [],
scan('lbrace', '"{}"')
assert_equal ['{'],
scan('lbrace', '{1=>2}')
end
def test_rbrace
assert_equal [],
scan('rbrace', '')
assert_equal ['}'],
scan('rbrace', '3.times{ }')
assert_equal ['}'],
scan('rbrace', '3.times { }')
assert_equal ['}'],
scan('rbrace', '3.times{}')
assert_equal [],
scan('rbrace', '"{}"')
assert_equal ['}'],
scan('rbrace', '{1=>2}')
end
def test_lbracket
assert_equal [],
scan('lbracket', '')
assert_equal ['['],
scan('lbracket', '[]')
assert_equal ['['],
scan('lbracket', 'a[1]')
assert_equal [],
scan('lbracket', 'm(%q[])')
end
def test_rbracket
assert_equal [],
scan('rbracket', '')
assert_equal [']'],
scan('rbracket', '[]')
assert_equal [']'],
scan('rbracket', 'a[1]')
assert_equal [],
scan('rbracket', 'm(%q[])')
end
def test_lparen
assert_equal [],
scan('lparen', '')
assert_equal ['('],
scan('lparen', '()')
assert_equal ['('],
scan('lparen', 'm()')
assert_equal ['('],
scan('lparen', 'm (a)')
assert_equal [],
scan('lparen', '"()"')
assert_equal [],
scan('lparen', '"%w()"')
end
def test_rparen
assert_equal [],
scan('rparen', '')
assert_equal [')'],
scan('rparen', '()')
assert_equal [')'],
scan('rparen', 'm()')
assert_equal [')'],
scan('rparen', 'm (a)')
assert_equal [],
scan('rparen', '"()"')
assert_equal [],
scan('rparen', '"%w()"')
end
def test_op
assert_equal [],
scan('op', '')
assert_equal ['|'],
scan('op', '1 | 1')
assert_equal ['^'],
scan('op', '1 ^ 1')
assert_equal ['&'],
scan('op', '1 & 1')
assert_equal ['<=>'],
scan('op', '1 <=> 1')
assert_equal ['=='],
scan('op', '1 == 1')
assert_equal ['==='],
scan('op', '1 === 1')
assert_equal ['=~'],
scan('op', '1 =~ 1')
assert_equal ['>'],
scan('op', '1 > 1')
assert_equal ['>='],
scan('op', '1 >= 1')
assert_equal ['<'],
scan('op', '1 < 1')
assert_equal ['<='],
scan('op', '1 <= 1')
assert_equal ['<''<'],
scan('op', '1 <''< 1')
assert_equal ['>>'],
scan('op', '1 >> 1')
assert_equal ['+'],
scan('op', '1 + 1')
assert_equal ['-'],
scan('op', '1 - 1')
assert_equal ['*'],
scan('op', '1 * 1')
assert_equal ['/'],
scan('op', '1 / 1')
assert_equal ['%'],
scan('op', '1 % 1')
assert_equal ['**'],
scan('op', '1 ** 1')
assert_equal ['~'],
scan('op', '~1')
assert_equal ['-'],
scan('op', '-a')
assert_equal ['+'],
scan('op', '+a')
assert_equal ['[]'],
scan('op', ':[]')
assert_equal ['[]='],
scan('op', ':[]=')
assert_equal ['&.'],
scan('op', 'a&.f')
assert_equal %w(.:),
scan('op', 'obj.:foo')
assert_equal [],
scan('op', %q[`make all`])
assert_equal %w[|>],
scan('op', %q[x|>y])
end
def test_symbeg
assert_equal [],
scan('symbeg', '')
assert_equal [':'],
scan('symbeg', ':sym')
assert_equal [':'],
scan('symbeg', '[1,2,3,:sym]')
assert_equal [],
scan('symbeg', '":sym"')
assert_equal [],
scan('symbeg', 'a ? b : c')
end
def test_tstring_beg
assert_equal [],
scan('tstring_beg', '')
assert_equal ['"'],
scan('tstring_beg', '"abcdef"')
assert_equal ['%q['],
scan('tstring_beg', '%q[abcdef]')
assert_equal ['%Q['],
scan('tstring_beg', '%Q[abcdef]')
end
def test_tstring_content
assert_equal [],
scan('tstring_content', '')
assert_equal ['abcdef'],
scan('tstring_content', '"abcdef"')
assert_equal ['abcdef'],
scan('tstring_content', '%q[abcdef]')
assert_equal ['abcdef'],
scan('tstring_content', '%Q[abcdef]')
assert_equal ['abc', 'def'],
scan('tstring_content', '"abc#{1}def"')
assert_equal ['sym'],
scan('tstring_content', ':"sym"')
assert_equal ['a b c'],
scan('tstring_content', ':"a b c"'),
"bug#4544"
assert_equal ["a\nb\nc"],
scan('tstring_content', ":'a\nb\nc'"),
"bug#4544"
end
def test_tstring_end
assert_equal [],
scan('tstring_end', '')
assert_equal ['"'],
scan('tstring_end', '"abcdef"')
assert_equal [']'],
scan('tstring_end', '%q[abcdef]')
assert_equal [']'],
scan('tstring_end', '%Q[abcdef]')
end
def test_regexp_beg
assert_equal [],
scan('regexp_beg', '')
assert_equal ['/'],
scan('regexp_beg', '/re/')
assert_equal ['%r<'],
scan('regexp_beg', '%r<re>')
assert_equal [],
scan('regexp_beg', '5 / 5')
end
def test_regexp_end
assert_equal [],
scan('regexp_end', '')
assert_equal ['/'],
scan('regexp_end', '/re/')
assert_equal ['>'],
scan('regexp_end', '%r<re>')
end
def test_words_beg
assert_equal [],
scan('words_beg', '')
assert_equal ['%W('],
scan('words_beg', '%W()')
assert_equal ['%W('],
scan('words_beg', '%W(w w w)')
assert_equal ['%W('],
scan('words_beg', '%W( w w w )')
assert_equal ['%W('],
scan('words_beg', "%W(\nw)")
end
def test_qwords_beg
assert_equal [],
scan('qwords_beg', '')
assert_equal ['%w('],
scan('qwords_beg', '%w()')
assert_equal ['%w('],
scan('qwords_beg', '%w(w w w)')
assert_equal ['%w('],
scan('qwords_beg', '%w( w w w )')
assert_equal ['%w('],
scan('qwords_beg', "%w(\nw)")
end
def test_qsymbols_beg
assert_equal [],
scan('qsymbols_beg', '')
assert_equal ['%i('],
scan('qsymbols_beg', '%i()')
assert_equal ['%i('],
scan('qsymbols_beg', '%i(w w w)')
assert_equal ['%i('],
scan('qsymbols_beg', '%i( w w w )')
assert_equal ['%i('],
scan('qsymbols_beg', "%i(\nw)")
end
def test_symbols_beg
assert_equal [],
scan('symbols_beg', '')
assert_equal ['%I('],
scan('symbols_beg', '%I()')
assert_equal ['%I('],
scan('symbols_beg', '%I(w w w)')
assert_equal ['%I('],
scan('symbols_beg', '%I( w w w )')
assert_equal ['%I('],
scan('symbols_beg', "%I(\nw)")
end
def test_words_sep
assert_equal [],
scan('words_sep', '')
assert_equal [],
scan('words_sep', '%w()')
assert_equal [' ', ' '],
scan('words_sep', '%w(w w w)')
assert_equal [' ', ' ', ' ', ' '],
scan('words_sep', '%w( w w w )')
assert_equal [' ', "\n", ' ', ' '],
scan('words_sep', "%w( w\nw w )")
assert_equal ["\n\n", "\n ", ' ', ' '],
scan('words_sep', "%w(\n\nw\n w w )")
end
def test_heredoc_beg
assert_equal [],
scan('heredoc_beg', '')
assert_equal ['<<''EOS'],
scan('heredoc_beg', "<<""EOS\nheredoc\nEOS")
assert_equal ['<<''EOS'],
scan('heredoc_beg', "<<""EOS\nheredoc\nEOS\n")
assert_equal ['<<''EOS'],
scan('heredoc_beg', "<<""EOS\nheredoc\nEOS \n")
assert_equal ['<<''-EOS'],
scan('heredoc_beg', "<<""-EOS\nheredoc\n\tEOS \n")
assert_equal ['<<''"EOS"'],
scan('heredoc_beg', '<<''"EOS"'"\nheredoc\nEOS")
assert_equal ["<<""'EOS'"],
scan('heredoc_beg', "<<""'EOS'\nheredoc\nEOS")
assert_equal ['<<''`EOS`'],
scan('heredoc_beg', "<<""`EOS`\nheredoc\nEOS")
assert_equal ['<<''" "'],
scan('heredoc_beg', '<<''" "'"\nheredoc\nEOS")
end
def test_tstring_content_HEREDOC
assert_equal [],
scan('tstring_content', '')
assert_equal ["heredoc\n"],
scan('tstring_content', "<<""EOS\nheredoc\nEOS")
assert_equal ["heredoc\n"],
scan('tstring_content', "<<""EOS\nheredoc\nEOS\n")
assert_equal ["here\ndoc \nEOS \n"],
scan('tstring_content', "<<""EOS\nhere\ndoc \nEOS \n")
assert_equal ["heredoc\n\tEOS \n"],
scan('tstring_content', "<<""-EOS\nheredoc\n\tEOS \n")
bug7255 = '[ruby-core:48703]'
assert_equal ["there\n""heredoc", "\n"],
scan('tstring_content', "<<""EOS\n""there\n""heredoc\#{foo}\nEOS"),
bug7255
assert_equal ["there\n""heredoc", "\n"],
scan('tstring_content', "<<""EOS\n""there\n""heredoc\#@foo\nEOS"),
bug7255
bug10392 = '[ruby-dev:48647] [Bug #10392]'
assert_equal [" E\n\n"],
scan('tstring_content', "<<""'E'\n E\n\n"),
bug10392
scan('tstring_content', "tap{<<""EOS}\n""there\n""heredoc\#@1xxx\nEOS")
end
def test_heredoc_end
assert_equal [],
scan('heredoc_end', '')
assert_equal ["EOS"],
scan('heredoc_end', "<<""EOS\nEOS"),
"bug#4543"
assert_equal ["EOS"],
scan('heredoc_end', "<<""EOS\nheredoc\nEOS")
assert_equal ["EOS\n"],
scan('heredoc_end', "<<""EOS\nheredoc\nEOS\n")
assert_equal [],
scan('heredoc_end', "<<""EOS\nheredoc\nEOS \n")
assert_equal [],
scan('heredoc_end', "<<""-EOS\nheredoc\n\tEOS \n")
end
def test_semicolon
assert_equal [],
scan('semicolon', '')
assert_equal %w(;),
scan('semicolon', ';')
assert_equal %w(; ;),
scan('semicolon', '; ;')
assert_equal %w(; ; ;),
scan('semicolon', 'nil;nil;nil;')
assert_equal %w(; ; ;),
scan('semicolon', 'nil;nil;nil;nil')
assert_equal [],
scan('semicolon', '";"')
assert_equal [],
scan('semicolon', '%w(;)')
assert_equal [],
scan('semicolon', '/;/')
end
def test_comment
assert_equal [],
scan('comment', '')
assert_equal ['# comment'],
scan('comment', '# comment')
assert_equal ["# comment\n"],
scan('comment', "# comment\n")
assert_equal ["# comment\n"],
scan('comment', "# comment\n1 + 1")
assert_equal ["# comment\n"],
scan('comment', "1 + 1 + 1# comment\n1 + 1")
end
def test_embdoc_beg
assert_equal [],
scan('embdoc_beg', '')
assert_equal ["=begin\n"],
scan('embdoc_beg', "=begin\ndoc\n=end")
assert_equal ["=begin \n"],
scan('embdoc_beg', "=begin \ndoc\n=end\n")
assert_equal ["=begin comment\n"],
scan('embdoc_beg', "=begin comment\ndoc\n=end\n")
end
def test_embdoc
assert_equal [],
scan('embdoc', '')
assert_equal ["doc\n"],
scan('embdoc', "=begin\ndoc\n=end")
assert_equal ["doc\n"],
scan('embdoc', "=begin\ndoc\n=end\n")
end
def test_embdoc_end
assert_equal [],
scan('embdoc_end', '')
assert_equal ["=end"],
scan('embdoc_end', "=begin\ndoc\n=end")
assert_equal ["=end\n"],
scan('embdoc_end', "=begin\ndoc\n=end\n")
end
def test_sp
assert_equal [],
scan('sp', '')
assert_equal [' '],
scan('sp', ' ')
assert_equal [' '],
scan('sp', ' 1')
assert_equal [],
scan('sp', "\n")
assert_equal [' '],
scan('sp', " \n")
assert_equal [' ', ' '],
scan('sp', "1 + 1")
assert_equal [],
scan('sp', "' '")
assert_equal [],
scan('sp', "%w( )")
assert_equal [],
scan('sp', "%w( w )")
assert_equal [],
scan('sp', "p(/ /)")
assert_equal ["\\\n"],
scan('sp', "\\\n")
assert_equal ['\ '],
scan('sp', '\ ')
end
# `nl' event always means End-Of-Statement.
def test_nl
assert_equal [],
scan('nl', '')
assert_equal [],
scan('nl', "\n")
assert_equal ["\n"],
scan('nl', "1 + 1\n")
assert_equal ["\n", "\n"],
scan('nl', "1 + 1\n2 + 2\n")
assert_equal [],
scan('nl', "1 +\n1")
assert_equal [],
scan('nl', "1;\n")
assert_equal ["\r\n"],
scan('nl', "1 + 1\r\n")
assert_equal [],
scan('nl', "1;\r\n")
end
def test_ignored_nl
assert_equal [],
scan('ignored_nl', '')
assert_equal ["\n"],
scan('ignored_nl', "\n")
assert_equal [],
scan('ignored_nl', "1 + 1\n")
assert_equal [],
scan('ignored_nl', "1 + 1\n2 + 2\n")
assert_equal ["\n"],
scan('ignored_nl', "1 +\n1")
assert_equal ["\n"],
scan('ignored_nl', "1;\n")
assert_equal [],
scan('ignored_nl', "1 + 1\r\n")
assert_equal ["\r\n"],
scan('ignored_nl', "1;\r\n")
end
def test_ignored_sp
assert_equal [],
scan('ignored_sp', "<<~EOS\nheredoc\nEOS")
assert_equal [" "],
scan('ignored_sp', "<<~EOS\n heredoc\nEOS")
end
def test___end__
assert_equal [],
scan('__end__', "")
assert_equal ["__END__"],
scan('__end__', "__END__")
assert_equal ["__END__\n"],
scan('__end__', "__END__\n")
assert_equal ["__END__\n"],
Ripper.tokenize("__END__\njunk junk junk")
assert_equal ["__END__"],
scan('__end__', "1\n__END__")
assert_equal [],
scan('__end__', "print('__END__')")
end
def test_CHAR
assert_equal [],
scan('CHAR', "")
assert_equal ["?a"],
scan('CHAR', "?a")
assert_equal [],
scan('CHAR', "@ivar")
assert_equal ["?\\M-H"], scan('CHAR', '?\\M-H')
assert_equal ["?\\u0041"],
scan('CHAR', "?\\u0041")
assert_equal ["?\\u{41}"],
scan('CHAR', "?\\u{41}")
err = nil
assert_equal [], scan('CHAR', '?\\M ') {|*e| err = e}
assert_equal([:on_parse_error, "Invalid escape character syntax", "?\\M "], err)
err = nil
scan('CHAR', '?\u{41 42}') {|*e| err = e}
assert_equal [:on_parse_error, "Multiple codepoints at single character literal", "42"], err
end
def test_label
assert_equal %w(foo:),
scan('label', '{foo: 1}')
end
def test_label_end
assert_equal %w(":),
scan('label_end', '{"foo-bar": 1}')
end
def test_tlambda
assert_equal %w(->),
scan('tlambda', '->{}')
end
def test_tlambeg
assert_equal %w({),
scan('tlambeg', '-> {}')
end
def test_tlambda_arg
assert_equal %w(),
scan('tlambda_arg', '-> {}')
end
def test_invalid_char
err = nil
assert_equal(['a'], scan('ident', "\ea") {|*e| err = e})
assert_equal(:compile_error, err[0])
assert_match(/Invalid char/, err[1])
assert_equal("\e", err[2])
end
def test_invalid_hex_escape
err = nil
assert_equal ['U'], scan('tstring_content', '"\\xU"') {|*e| err = e}
assert_equal [:on_parse_error, "invalid hex escape", "\\x"], err
err = nil
assert_equal ['U'], scan('tstring_content', '/\\xU/') {|*e| err = e}
assert_equal [:on_parse_error, "invalid hex escape", "\\x"], err
end
end if ripper_test