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ruby--ruby/bootstraptest/test_syntax.rb
Jeremy Evans 900e83b501 Turn class variable warnings into exceptions 
This changes the following warnings:

* warning: class variable access from toplevel
* warning: class variable @foo of D is overtaken by C

into RuntimeErrors.  Handle defined?(@@foo) at toplevel
by returning nil instead of raising an exception (the previous
behavior warned before returning nil when defined? was used).

Refactor the specs to avoid the warnings even in older versions.
The specs were checking for the warnings, but the purpose of
the related specs as evidenced from their description is to
test for behavior, not for warnings.

Fixes [Bug #14541]
2020-04-10 00:29:05 -07:00

906 lines
32 KiB
Ruby
Raw Blame History

assert_equal %q{4}, %q{1 && 2 && 3 && 4}
assert_equal %q{}, %q{1 && nil && 3 && 4}
assert_equal %q{}, %q{1 && 2 && 3 && nil}
assert_equal %q{false}, %q{1 && 2 && 3 && false}
assert_equal %q{4}, %q{1 and 2 and 3 and 4}
assert_equal %q{}, %q{1 and nil and 3 and 4}
assert_equal %q{}, %q{1 and 2 and 3 and nil}
assert_equal %q{false}, %q{1 and 2 and 3 and false}
assert_equal %q{}, %q{nil && true}
assert_equal %q{false}, %q{false && true}
assert_equal %q{}, %q{
case 1
when 2
:ng
end}
assert_equal %q{ok}, %q{
case 1
when 10,20,30
:ng1
when 1,2,3
:ok
when 100,200,300
:ng2
else
:elseng
end}
assert_equal %q{elseok}, %q{
case 123
when 10,20,30
:ng1
when 1,2,3
:ng2
when 100,200,300
:ng3
else
:elseok
end
}
assert_equal %q{ok}, %q{
case 'test'
when /testx/
:ng1
when /test/
:ok
when /tetxx/
:ng2
else
:ng_else
end
}
assert_equal %q{ok}, %q{
case Object.new
when Object
:ok
end
}
assert_equal %q{ok}, %q{
case Object
when Object.new
:ng
else
:ok
end
}
assert_equal %q{ok}, %q{
case 'test'
when 'tes'
:ng
when 'te'
:ng
else
:ok
end
}
assert_equal %q{ok}, %q{
case 'test'
when 'tes'
:ng
when 'te'
:ng
when 'test'
:ok
end
}
assert_equal %q{ng}, %q{
case 'test'
when 'tes'
:ng
when /te/
:ng
else
:ok
end
}
assert_equal %q{ok}, %q{
case 'test'
when 'tes'
:ng
when /test/
:ok
else
:ng
end
}
assert_equal %q{100}, %q{
def test(arg)
case 1
when 2
3
end
return arg
end
test(100)
}
assert_equal %q{ok}, %q{
ary = [1, 2]
case 1
when *ary
:ok
else
:ng
end
}
assert_equal %q{ok}, %q{
ary = [1, 2]
case 3
when *ary
:ng
else
:ok
end
}
assert_equal %q{ok}, %q{
ary = [1, 2]
case 1
when :x, *ary
:ok
when :z
:ng1
else
:ng2
end
}
assert_equal %q{ok}, %q{
ary = [1, 2]
case 3
when :x, *ary
:ng1
when :z
:ng2
else
:ok
end
}
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:sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep, :then, :sep]}, %q{
def make_perm ary, num
if num == 1
ary.map{|e| [e]}
else
base = make_perm(ary, num-1)
res = []
base.each{|b|
ary.each{|e|
res << [e] + b
}
}
res
end
end
def each_test
conds = make_perm(['fv', 'tv'], 3)
bangs = make_perm(['', '!'], 3)
exprs = make_perm(['and', 'or'], 3)
['if', 'unless'].each{|syn|
conds.each{|cs|
bangs.each{|bs|
exprs.each{|es|
yield(syn, cs, bs, es)
}
}
}
}
end
fv = false
tv = true
$ans = []
each_test{|syn, conds, bangs, exprs|
c1, c2, c3 = conds
bang1, bang2, bang3 = bangs
e1, e2 = exprs
eval %Q{
#{syn} #{bang1}#{c1} #{e1} #{bang2}#{c2} #{e2} #{bang3}#{c3}
$ans << :then
else
$ans << :false
end
}
}
each_test{|syn, conds, bangs, exprs|
c1, c2, c3 = conds
bang1, bang2, bang3 = bangs
e1, e2 = exprs
eval %Q{
#{syn} #{bang1}#{c1} #{e1} #{bang2}#{c2} #{e2} #{bang3}#{c3}
$ans << :then
end
$ans << :sep
}
}
$ans
}
assert_equal %q{}, %q{
defined?(m)
}
assert_equal %q{method}, %q{
def m
end
defined?(m)
}
assert_equal %q{}, %q{
defined?(a.class)
}
assert_equal %q{method}, %q{
a = 1
defined?(a.class)
}
assert_equal %q{["method", "method", "method", "method", nil, nil, "method", "method", "method", nil]}, %q{
class C
def test
[defined?(m1()), defined?(self.m1), defined?(C.new.m1),
defined?(m2()), defined?(self.m2), defined?(C.new.m2),
defined?(m3()), defined?(self.m3), defined?(C.new.m3)]
end
def m1
end
private
def m2
end
protected
def m3
end
end
C.new.test + [defined?(C.new.m3)]
}
assert_equal %q{[nil, nil, nil, nil, "global-variable", "global-variable", nil, nil]}, %q{
$ans = [defined?($1), defined?($2), defined?($3), defined?($4)]
/(a)(b)/ =~ 'ab'
$ans + [defined?($1), defined?($2), defined?($3), defined?($4)]
}
assert_equal %q{nilselftruefalse}, %q{
defined?(nil) + defined?(self) +
defined?(true) + defined?(false)
}
assert_equal %q{}, %q{
defined?(@a)
}
assert_equal %q{instance-variable}, %q{
@a = 1
defined?(@a)
}
assert_equal %q{}, %q{
defined?(@@a)
}
assert_equal %q{class variable}, %q{
class A
@@a = 1
defined?(@@a)
end
}
assert_equal %q{}, %q{
defined?($a)
}
assert_equal %q{global-variable}, %q{
$a = 1
defined?($a)
}
assert_equal %q{}, %q{
defined?(C_definedtest)
}
assert_equal %q{constant}, %q{
C_definedtest = 1
defined?(C_definedtest)
}
assert_equal %q{}, %q{
defined?(::C_definedtest)
}
assert_equal %q{constant}, %q{
C_definedtest = 1
defined?(::C_definedtest)
}
assert_equal %q{}, %q{
defined?(C_definedtestA::C_definedtestB::C_definedtestC)
}
assert_equal %q{constant}, %q{
class C_definedtestA
class C_definedtestB
C_definedtestC = 1
end
end
defined?(C_definedtestA::C_definedtestB::C_definedtestC)
}
assert_equal %q{30}, %q{
sum = 0
30.times{|ib|
if ib % 10 == 0 .. true
sum += ib
end
}
sum
}
assert_equal %q{63}, %q{
sum = 0
30.times{|ib|
if ib % 10 == 0 ... true
sum += ib
end
}
sum
}
assert_equal %q{[["NUM", "Type: NUM\n"], ["NUM", "123\n"], ["NUM", "456\n"], ["NUM", "Type: ARP\n"], ["NUM", "aaa\n"], ["NUM", "bbb\n"], ["NUM", "\f\n"], ["ARP", "Type: ARP\n"], ["ARP", "aaa\n"], ["ARP", "bbb\n"]]}, %q{
t = nil
unless ''.respond_to? :lines
class String
def lines
self
end
end
end
ary = []
"this must not print
Type: NUM
123
456
Type: ARP
aaa
bbb
\f
this must not print
hoge
Type: ARP
aaa
bbb
".lines.each{|l|
if (t = l[/^Type: (.*)/, 1])..(/^\f/ =~ l)
ary << [t, l]
end
}
ary
}
assert_equal %q{1}, %q{if true then 1 ; end}
assert_equal %q{}, %q{if false then 1 ; end}
assert_equal %q{1}, %q{if true then 1 ; else; 2; end}
assert_equal %q{2}, %q{if false then 1 ; else; 2; end}
assert_equal %q{}, %q{if true then ; elsif true then ; 1 ; end}
assert_equal %q{1}, %q{if false then ; elsif true then ; 1 ; end}
assert_equal %q{}, %q{unless true then 1 ; end}
assert_equal %q{1}, %q{unless false then 1 ; end}
assert_equal %q{2}, %q{unless true then 1 ; else; 2; end}
assert_equal %q{1}, %q{unless false then 1 ; else; 2; end}
assert_equal %q{1}, %q{1 if true}
assert_equal %q{}, %q{1 if false}
assert_equal %q{}, %q{1 if nil}
assert_equal %q{}, %q{1 unless true}
assert_equal %q{1}, %q{1 unless false}
assert_equal %q{1}, %q{1 unless nil}
assert_equal %q{1}, %q{1 || 2 || 3 || 4}
assert_equal %q{1}, %q{1 || false || 3 || 4}
assert_equal %q{2}, %q{nil || 2 || 3 || 4}
assert_equal %q{2}, %q{false || 2 || 3 || 4}
assert_equal %q{false}, %q{nil || false || nil || false}
assert_equal %q{1}, %q{1 or 2 or 3 or 4}
assert_equal %q{1}, %q{1 or false or 3 or 4}
assert_equal %q{2}, %q{nil or 2 or 3 or 4}
assert_equal %q{2}, %q{false or 2 or 3 or 4}
assert_equal %q{1}, %q{if true && ""; then 1; end}
assert_equal %q{1}, %q{if nil || true; then 1; end}
assert_equal %q{false}, %q{nil or false or nil or false}
assert_equal %q{elseng}, %q{
case
when 1==2, 2==3
:ng1
when false, 4==5
:ok
when false
:ng2
else
:elseng
end
}
assert_equal %q{ok}, %q{
case
when nil, nil
:ng1
when 1,2,3
:ok
when false, false
:ng2
else
:elseng
end
}
assert_equal %q{elseok}, %q{
case
when nil
:ng1
when false
:ng2
else
:elseok
end}
assert_equal %q{}, %q{
case
when 1
end
}
assert_equal %q{ok}, %q{
r = nil
ary = []
case
when false
r = :ng1
when false, false
r = :ng2
when *ary
r = :ng3
when false, *ary
r = :ng4
when true, *ary
r = :ok
end
r
}
assert_equal %q{ok}, %q{
ary = []
case
when false, *ary
:ng
else
:ok
end
}
assert_equal %q{ok}, %q{
ary = [false, nil]
case
when *ary
:ng
else
:ok
end
}
assert_equal %q{ok}, %q{
ary = [false, nil]
case
when *ary
:ng
when true
:ok
else
:ng2
end
}
assert_equal %q{ng}, %q{
ary = [false, nil]
case
when *ary
:ok
else
:ng
end
}
assert_equal %q{ok}, %q{
ary = [false, true]
case
when *ary
:ok
else
:ng
end
}
assert_equal %q{ok}, %q{
ary = [false, true]
case
when false, false
when false, *ary
:ok
else
:ng
end
}
assert_equal %q{}, %q{
i = 0
while i < 10
i+=1
end}
assert_equal %q{10}, %q{
i = 0
while i < 10
i+=1
end; i}
assert_equal %q{}, %q{
i = 0
until i > 10
i+=1
end}
assert_equal %q{11}, %q{
i = 0
until i > 10
i+=1
end; i}
assert_equal %q{1}, %q{
i = 0
begin
i+=1
end while false
i
}
assert_equal %q{1}, %q{
i = 0
begin
i+=1
end until true
i
}
def assert_syntax_error expected, code, message = ''
assert_equal "#{expected}",
"begin eval(%q{#{code}}, nil, '', 0)"'; rescue SyntaxError => e; e.message[/\A:(?:\d+:)? (.*)/, 1] end', message
end
assert_syntax_error "unterminated string meets end of file", '().."', '[ruby-dev:29732]'
assert_equal %q{[]}, %q{$&;[]}, '[ruby-dev:31068]'
assert_syntax_error "syntax error, unexpected *, expecting '}'", %q{{*0}}, '[ruby-dev:31072]'
assert_syntax_error "`@0' is not allowed as an instance variable name", %q{@0..0}, '[ruby-dev:31095]'
assert_syntax_error "identifier $00 is not valid to get", %q{$00..0}, '[ruby-dev:31100]'
assert_syntax_error "identifier $00 is not valid to set", %q{0..$00=1}
assert_equal %q{0}, %q{[*0];0}, '[ruby-dev:31102]'
assert_syntax_error "syntax error, unexpected ')'", %q{v0,(*,v1,) = 0}, '[ruby-dev:31104]'
assert_equal %q{1}, %q{
class << (ary=[]); def []; 0; end; def []=(x); super(0,x);end;end; ary[]+=1
}, '[ruby-dev:31110]'
assert_syntax_error "Can't set variable $1", %q{0..$1=1}, '[ruby-dev:31118]'
assert_valid_syntax %q{1.times{1+(1&&next)}}, '[ruby-dev:31119]'
assert_valid_syntax %q{x=-1;loop{x+=1&&redo if (x+=1).zero?}}, '[ruby-dev:31119]'
assert_syntax_error %q{syntax error, unexpected end-of-input}, %q{!}, '[ruby-dev:31243]'
assert_equal %q{[nil]}, %q{[()]}, '[ruby-dev:31252]'
assert_equal %q{true}, %q{!_=()}, '[ruby-dev:31263]'
assert_equal 'ok', %q{while true; redo; end if 1 == 2; :ok}, '[ruby-dev:31360]'
assert_equal 'ok', %q{
1.times {
begin
ensure
next
end
}; :ok
}, '[ruby-dev:31373]'
assert_equal 'ok', %q{
flag = false
1.times {
next if flag
flag = true
begin
ensure
redo
end
}; :ok
}, '[ruby-dev:31373]'
assert_equal 'ok', %q{
1.times{
p(1, (next; 2))
}; :ok
}
assert_equal '3', %q{
i = 0
1 + (while true
break 2 if (i+=1) > 1
next
end)
}
assert_equal '3', %q{
i = 0
1 + (while true
break 2 if (i+=1) > 1
p(1, (next; 2))
end)
}
# redo
assert_equal 'ok', %q{
i = 0
1.times{
break if i>1
i+=1
p(1, (redo; 2))
}; :ok
}
assert_equal '3', %q{
i = 0
1 + (while true
break 2 if (i+=1) > 1
redo
end)
}
assert_equal '3', %q{
i = 0
1 + (while true
break 2 if (i+=1) > 1
p(1, (redo; 2))
end)
}
assert_equal '1', %q{
a = [0]
a[*a]+=1
}
assert_equal '2', %q{
ary = [0]
case 1
when *ary, 1
1
end +
case
when *ary
1
end
}
assert_match /invalid multibyte char/, %q{
STDERR.reopen(STDOUT)
eval("\"\xf0".force_encoding("utf-8"))
}, '[ruby-dev:32429]'
# method ! and !=
assert_equal 'true', %q{!false}
assert_equal 'true', %q{1 == 1}
assert_equal 'true', %q{1 != 2}
assert_equal 'true', %q{
class C; def !=(obj); true; end; end
C.new != 1
}
assert_equal 'true', %q{
class C; def !@; true; end; end
!C.new
}
assert_normal_exit %q{
eval "while true; return; end rescue p $!"
}, '[ruby-dev:31663]'
assert_equal '1', %q{
def bar
raise
end
def foo
1.times{
begin
return bar
rescue
:ok
end
}
end
foo
}
assert_equal 'ok', %q{
counter = 2
while true
counter -= 1
next if counter != 0
break
end
:ok
}, '[ruby-core:14385]'
assert_equal 'ok', %q{
counter = 2
while true
counter -= 1
next if counter != 0
break :ok
end # direct
}, '[ruby-core:14385]'
assert_equal 'ok', %q{
counter = 2
while true
counter -= 1
break if counter == 0
"#{next}"
end
:ok
}, 'reported by Yusuke ENDOH'
assert_equal 'ok', %q{
counter = 2
while true
counter -= 1
break if counter == 0
next
redo
end
:ok
}, 'reported by Yusuke ENDOH'
assert_equal 'ok', %q{
counter = 2
while true
counter -= 1
break if counter == 0
next
"#{ redo }"
end
:ok
}, 'reported by Yusuke ENDOH'
assert_normal_exit %q{
begin
raise
rescue
counter = 2
while true
counter -= 1
break if counter == 0
next
retry
end
end
}, 'reported by Yusuke ENDOH'
assert_normal_exit %q{
counter = 2
while true
counter -= 1
break if counter == 0
next
"#{ break }"
end
}, 'reported by Yusuke ENDOH'
assert_normal_exit %q{
counter = 2
while true
counter -= 1
next if counter != 0
"#{ break }"
end
}, 'reported by Yusuke ENDOH'
assert_equal 'ok', %q{
1.times do
[
1, 2, 3, 4, 5, 6, 7, 8,
begin
false ? next : p
break while true
end
]
end
:ok
}, '[ruby-dev:32882]'
assert_equal "1\n2\n", %q{
i = 0
while i<2
i += 1
next p(i)
end
}
assert_valid_syntax('1.times {|i|print (42),1;}', '[ruby-list:44479]')
assert_equal 'ok', %q{
def a() end
begin
if defined?(a(1).a)
:ng
else
:ok
end
rescue
:ng
end
}, '[ruby-core:16010]'
assert_equal 'ok', %q{
def a() end
begin
if defined?(a::B)
:ng
else
:ok
end
rescue
:ng
end
}, '[ruby-core:16010]'
assert_normal_exit %q{
defined? C && 0
}
assert_normal_exit %q{
class C
def m
defined?(super())
end
end
C.new.m
}
assert_equal 'ok', %q{
class X < RuntimeError;end
x = [X]
begin
raise X
rescue *x
:ok
end
}, '[ruby-core:14537]'
assert_equal 'ok', %q{
a = [false]
(a[0] &&= true) == false ? :ok : :ng
}, '[ruby-dev:34679]'
assert_normal_exit %q{
a = []
100.times {|i| a << i << nil << nil }
p a.compact!
}
assert_equal 'ok', %q{
"#{}""#{}ok"
}, '[ruby-dev:38968]'
assert_equal 'ok', %q{
"o" "#{}k"
}, '[ruby-dev:38980]'
bug2415 = '[ruby-core:26961]'
assert_normal_exit %q{
0.times do
0.times do
def x(a=1, b, *rest); nil end
end
end
}, bug2415
assert_normal_exit %q{
0.times do
0.times do
def x@; nil end
end
end
}, bug2415
assert_normal_exit %q{
0.times do
0.times do
def x(a = 0.times do
def y(a=1, b, *rest); nil; end
end)
nil
end
end
end
}, bug2415
assert_normal_exit %q{
0.times do
0.times do
def x(a = 0.times do
def x@; nil; end
end)
nil
end
end
end
}, bug2415
assert_normal_exit %q{
a {
b {|c.d| }
e
}
}, '[ruby-dev:39861]'
bug1240 = '[ruby-core:22637]'
assert_valid_syntax('x y { "#{}".z { } }', bug1240)
assert_valid_syntax('x y { "#{}".z do end }', bug1240)
assert_valid_syntax('y "#{a 1}" do end', '[ruby-core:29579]')
assert_normal_exit %q{
def foo(&block)
yield
end
foo do
s = defined?(raise + 1)
Class
end
}, '[ruby-core:30293]'
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