mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
9133f6648d
* parse.y (dedent_string): ensure that the string is modifiable, not to set the length of shared string. [ruby-core:80987] [Bug #13540] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58561 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1006 lines
22 KiB
Ruby
1006 lines
22 KiB
Ruby
# coding: US-ASCII
|
|
# frozen_string_literal: false
|
|
require 'test/unit'
|
|
require 'stringio'
|
|
|
|
class TestParse < Test::Unit::TestCase
|
|
def setup
|
|
@verbose = $VERBOSE
|
|
$VERBOSE = nil
|
|
end
|
|
|
|
def teardown
|
|
$VERBOSE = @verbose
|
|
end
|
|
|
|
def test_else_without_rescue
|
|
x = eval <<-END, nil, __FILE__, __LINE__+1
|
|
begin
|
|
else
|
|
42
|
|
end
|
|
END
|
|
assert_equal(42, x)
|
|
end
|
|
|
|
def test_alias_backref
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
alias $foo $1
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_command_call
|
|
t = Object.new
|
|
def t.foo(x); x; end
|
|
|
|
a = false
|
|
b = c = d = true
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a &&= t.foo 42
|
|
b &&= t.foo 42
|
|
c &&= t.foo nil
|
|
d &&= t.foo false
|
|
END
|
|
end
|
|
assert_equal([false, 42, nil, false], [a, b, c, d])
|
|
|
|
a = 3
|
|
assert_nothing_raised { eval("a &= t.foo 5") }
|
|
assert_equal(1, a)
|
|
|
|
a = [nil, nil, true, true]
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a[0] ||= t.foo 42
|
|
a[1] &&= t.foo 42
|
|
a[2] ||= t.foo 42
|
|
a[3] &&= t.foo 42
|
|
END
|
|
end
|
|
assert_equal([42, nil, true, 42], a)
|
|
|
|
o = Object.new
|
|
class << o
|
|
attr_accessor :foo, :bar, :Foo, :Bar, :baz, :qux
|
|
end
|
|
o.foo = o.Foo = o::baz = nil
|
|
o.bar = o.Bar = o::qux = 1
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
o.foo ||= t.foo 42
|
|
o.bar &&= t.foo 42
|
|
o.Foo ||= t.foo 42
|
|
o.Bar &&= t.foo 42
|
|
o::baz ||= t.foo 42
|
|
o::qux &&= t.foo 42
|
|
END
|
|
end
|
|
assert_equal([42, 42], [o.foo, o.bar])
|
|
assert_equal([42, 42], [o.Foo, o.Bar])
|
|
assert_equal([42, 42], [o::baz, o::qux])
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
$1 ||= t.foo 42
|
|
END
|
|
end
|
|
|
|
def t.bar(x); x + yield; end
|
|
|
|
a = b = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a = t.bar "foo" do
|
|
"bar"
|
|
end.gsub "ob", "OB"
|
|
b = t.bar "foo" do
|
|
"bar"
|
|
end::gsub "ob", "OB"
|
|
END
|
|
end
|
|
assert_equal("foOBar", a)
|
|
assert_equal("foOBar", b)
|
|
|
|
a = nil
|
|
assert_nothing_raised do
|
|
t.instance_eval <<-END, __FILE__, __LINE__+1
|
|
a = bar "foo" do "bar" end
|
|
END
|
|
end
|
|
assert_equal("foobar", a)
|
|
|
|
a = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a = t::bar "foo" do "bar" end
|
|
END
|
|
end
|
|
assert_equal("foobar", a)
|
|
|
|
def t.baz(*r)
|
|
@baz = r + (block_given? ? [yield] : [])
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
t.instance_eval "baz (1), 2"
|
|
end
|
|
assert_equal([1, 2], t.instance_eval { @baz })
|
|
end
|
|
|
|
def test_mlhs_node
|
|
c = Class.new
|
|
class << c
|
|
attr_accessor :foo, :bar, :Foo, :Bar
|
|
FOO = BAR = nil
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
c::foo, c::bar = 1, 2
|
|
c.Foo, c.Bar = 1, 2
|
|
c::FOO, c::BAR = 1, 2
|
|
END
|
|
end
|
|
assert_equal([1, 2], [c::foo, c::bar])
|
|
assert_equal([1, 2], [c.Foo, c.Bar])
|
|
assert_equal([1, 2], [c::FOO, c::BAR])
|
|
end
|
|
|
|
def test_dynamic_constant_assignment
|
|
assert_raise(SyntaxError) do
|
|
Object.new.instance_eval <<-END, __FILE__, __LINE__+1
|
|
def foo
|
|
self::FOO, self::BAR = 1, 2
|
|
::FOO, ::BAR = 1, 2
|
|
end
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
$1, $2 = 1, 2
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
Object.new.instance_eval <<-END, __FILE__, __LINE__+1
|
|
def foo
|
|
::FOO = 1
|
|
end
|
|
END
|
|
end
|
|
|
|
c = Class.new
|
|
assert_nothing_raised(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
if false
|
|
c::FOO &= 1
|
|
::FOO &= 1
|
|
end
|
|
END
|
|
end
|
|
|
|
c = Class.new
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
$1 &= 1
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_class_module
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
class foo; end
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo
|
|
class Foo; end
|
|
module Bar; end
|
|
end
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
class Foo 1; end
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_op_name
|
|
o = Object.new
|
|
def o.>(x); x; end
|
|
def o./(x); x; end
|
|
|
|
assert_nothing_raised do
|
|
o.instance_eval <<-END, __FILE__, __LINE__+1
|
|
undef >, /
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_arg
|
|
o = Object.new
|
|
class << o
|
|
attr_accessor :foo, :bar, :Foo, :Bar, :baz, :qux
|
|
end
|
|
o.foo = o.Foo = o::baz = nil
|
|
o.bar = o.Bar = o::qux = 1
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
o.foo ||= 42
|
|
o.bar &&= 42
|
|
o.Foo ||= 42
|
|
o.Bar &&= 42
|
|
o::baz ||= 42
|
|
o::qux &&= 42
|
|
END
|
|
end
|
|
assert_equal([42, 42], [o.foo, o.bar])
|
|
assert_equal([42, 42], [o.Foo, o.Bar])
|
|
assert_equal([42, 42], [o::baz, o::qux])
|
|
|
|
a = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a = -2.0 ** 2
|
|
END
|
|
end
|
|
assert_equal(-4.0, a)
|
|
end
|
|
|
|
def test_block_variable
|
|
o = Object.new
|
|
def o.foo(*r); yield(*r); end
|
|
|
|
a = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
o.foo 1 do|; a| a = 42 end
|
|
END
|
|
end
|
|
assert_nil(a)
|
|
end
|
|
|
|
def test_bad_arg
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo(FOO); end
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo(@foo); end
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo($foo); end
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo(@@foo); end
|
|
END
|
|
end
|
|
|
|
o = Object.new
|
|
def o.foo(*r); yield(*r); end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
o.foo 1 {|; @a| @a = 42 }
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_do_lambda
|
|
a = b = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a = -> do
|
|
b = 42
|
|
end
|
|
END
|
|
end
|
|
a.call
|
|
assert_equal(42, b)
|
|
end
|
|
|
|
def test_block_call_colon2
|
|
o = Object.new
|
|
def o.foo(x); x + yield; end
|
|
|
|
a = b = nil
|
|
assert_nothing_raised do
|
|
o.instance_eval <<-END, __FILE__, __LINE__+1
|
|
a = foo 1 do 42 end.to_s
|
|
b = foo 1 do 42 end::to_s
|
|
END
|
|
end
|
|
assert_equal("43", a)
|
|
assert_equal("43", b)
|
|
end
|
|
|
|
def test_call_method
|
|
a = b = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a = proc {|x| x + "bar" }.("foo")
|
|
b = proc {|x| x + "bar" }::("foo")
|
|
END
|
|
end
|
|
assert_equal("foobar", a)
|
|
assert_equal("foobar", b)
|
|
end
|
|
|
|
def test_xstring
|
|
assert_raise(Errno::ENOENT) do
|
|
eval("``")
|
|
end
|
|
end
|
|
|
|
def test_words
|
|
assert_equal([], %W( ))
|
|
end
|
|
|
|
def test_dstr
|
|
@@foo = 1
|
|
assert_equal("foo 1 bar", "foo #@@foo bar")
|
|
"1" =~ /(.)/
|
|
assert_equal("foo 1 bar", "foo #$1 bar")
|
|
end
|
|
|
|
def test_dstr_disallowed_variable
|
|
bug8375 = '[ruby-core:54885] [Bug #8375]'
|
|
%w[@ @1 @. @@ @@1 @@. $ $%].each do |src|
|
|
src = '#'+src+' '
|
|
str = assert_nothing_raised(SyntaxError, "#{bug8375} #{src.dump}") do
|
|
break eval('"'+src+'"')
|
|
end
|
|
assert_equal(src, str, bug8375)
|
|
end
|
|
end
|
|
|
|
def test_dsym
|
|
assert_nothing_raised { eval(':""') }
|
|
end
|
|
|
|
def assert_disallowed_variable(type, noname, *invalid)
|
|
assert_syntax_error(noname, "`#{noname}' without identifiers is not allowed as #{type} variable name")
|
|
invalid.each do |name|
|
|
assert_syntax_error(name, "`#{name}' is not allowed as #{type} variable name")
|
|
end
|
|
end
|
|
|
|
def test_disallowed_instance_variable
|
|
assert_disallowed_variable("an instance", *%w[@ @1 @.])
|
|
end
|
|
|
|
def test_disallowed_class_variable
|
|
assert_disallowed_variable("a class", *%w[@@ @@1 @@.])
|
|
end
|
|
|
|
def test_disallowed_gloal_variable
|
|
assert_disallowed_variable("a global", *%w[$ $%])
|
|
end
|
|
|
|
def test_arg2
|
|
o = Object.new
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def o.foo(a=42,*r,z,&b); b.call(r.inject(a*1000+z*100, :+)); end
|
|
END
|
|
end
|
|
assert_equal(-1405, o.foo(1,2,3,4) {|x| -x })
|
|
assert_equal(-1302, o.foo(1,2,3) {|x| -x })
|
|
assert_equal(-1200, o.foo(1,2) {|x| -x })
|
|
assert_equal(-42100, o.foo(1) {|x| -x })
|
|
assert_raise(ArgumentError) { o.foo() }
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def o.foo(a=42,z,&b); b.call(a*1000+z*100); end
|
|
END
|
|
end
|
|
assert_equal(-1200, o.foo(1,2) {|x| -x } )
|
|
assert_equal(-42100, o.foo(1) {|x| -x } )
|
|
assert_raise(ArgumentError) { o.foo() }
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def o.foo(*r,z,&b); b.call(r.inject(z*100, :+)); end
|
|
END
|
|
end
|
|
assert_equal(-303, o.foo(1,2,3) {|x| -x } )
|
|
assert_equal(-201, o.foo(1,2) {|x| -x } )
|
|
assert_equal(-100, o.foo(1) {|x| -x } )
|
|
assert_raise(ArgumentError) { o.foo() }
|
|
end
|
|
|
|
def test_duplicate_argument
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
1.times {|&b?| }
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
1.times {|a, a|}
|
|
END
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo(a, a); end
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_define_singleton_error
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def ("foo").foo; end
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_backquote
|
|
t = Object.new
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def t.`(x); "foo" + x + "bar"; end
|
|
END
|
|
end
|
|
a = b = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
a = t.` "zzz"
|
|
1.times {|;z| t.` ("zzz") }
|
|
END
|
|
t.instance_eval <<-END, __FILE__, __LINE__+1
|
|
b = `zzz`
|
|
END
|
|
end
|
|
assert_equal("foozzzbar", a)
|
|
assert_equal("foozzzbar", b)
|
|
end
|
|
|
|
def test_carrige_return
|
|
assert_equal(2, eval("1 +\r\n1"))
|
|
end
|
|
|
|
def test_string
|
|
assert_raise(SyntaxError) do
|
|
eval '"\xg1"'
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval '"\u{1234"'
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval '"\M1"'
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval '"\C1"'
|
|
end
|
|
|
|
assert_equal("\x81", eval('"\C-\M-a"'))
|
|
assert_equal("\177", eval('"\c?"'))
|
|
end
|
|
|
|
def test_question
|
|
assert_raise(SyntaxError) { eval('?') }
|
|
assert_raise(SyntaxError) { eval('? ') }
|
|
assert_raise(SyntaxError) { eval("?\n") }
|
|
assert_raise(SyntaxError) { eval("?\t") }
|
|
assert_raise(SyntaxError) { eval("?\v") }
|
|
assert_raise(SyntaxError) { eval("?\r") }
|
|
assert_raise(SyntaxError) { eval("?\f") }
|
|
assert_equal("\u{1234}", eval("?\u{1234}"))
|
|
assert_equal("\u{1234}", eval('?\u{1234}'))
|
|
end
|
|
|
|
def test_percent
|
|
assert_equal(:foo, eval('%s(foo)'))
|
|
assert_raise(SyntaxError) { eval('%s') }
|
|
assert_raise(SyntaxError) { eval('%ss') }
|
|
assert_raise(SyntaxError) { eval('%z()') }
|
|
end
|
|
|
|
def test_symbol
|
|
bug = '[ruby-dev:41447]'
|
|
sym = "foo\0bar".to_sym
|
|
assert_nothing_raised(SyntaxError, bug) do
|
|
assert_equal(sym, eval(":'foo\0bar'"))
|
|
end
|
|
assert_nothing_raised(SyntaxError, bug) do
|
|
assert_equal(sym, eval(':"foo\u0000bar"'))
|
|
end
|
|
assert_nothing_raised(SyntaxError, bug) do
|
|
assert_equal(sym, eval(':"foo\u{0}bar"'))
|
|
end
|
|
end
|
|
|
|
def test_parse_string
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
/
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_here_document
|
|
x = nil
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval %Q(
|
|
<\<FOO
|
|
)
|
|
end
|
|
|
|
assert_nothing_raised(SyntaxError) do
|
|
x = eval %q(
|
|
<<FOO
|
|
#$
|
|
FOO
|
|
)
|
|
end
|
|
assert_equal "\#$\n", x
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval %Q(
|
|
<\<\"
|
|
)
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval %q(
|
|
<<``
|
|
)
|
|
end
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval %q(
|
|
<<--
|
|
)
|
|
end
|
|
|
|
assert_nothing_raised(SyntaxError) do
|
|
x = eval %q(
|
|
<<FOO
|
|
#$
|
|
foo
|
|
FOO
|
|
)
|
|
end
|
|
assert_equal "\#$\nfoo\n", x
|
|
|
|
assert_nothing_raised do
|
|
eval "x = <<""FOO\r\n1\r\nFOO"
|
|
end
|
|
assert_equal("1\n", x)
|
|
end
|
|
|
|
def test_magic_comment
|
|
x = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
# coding = utf-8
|
|
x = __ENCODING__
|
|
END
|
|
end
|
|
assert_equal(Encoding.find("UTF-8"), x)
|
|
|
|
assert_raise(ArgumentError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
# coding = foobarbazquxquux_dummy_enconding
|
|
x = __ENCODING__
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_utf8_bom
|
|
x = nil
|
|
assert_nothing_raised do
|
|
eval "\xef\xbb\xbf x = __ENCODING__"
|
|
end
|
|
assert_equal(Encoding.find("UTF-8"), x)
|
|
assert_raise(NameError) { eval "\xef" }
|
|
end
|
|
|
|
def test_dot_in_next_line
|
|
x = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
x = 1
|
|
.to_s
|
|
END
|
|
end
|
|
assert_equal("1", x)
|
|
end
|
|
|
|
def test_pow_asgn
|
|
x = 3
|
|
assert_nothing_raised { eval("x **= 2") }
|
|
assert_equal(9, x)
|
|
end
|
|
|
|
def test_embedded_rd
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
=begin
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_float
|
|
assert_equal(1.0/0, eval("1e10000"))
|
|
assert_raise(SyntaxError) { eval('1_E') }
|
|
assert_raise(SyntaxError) { eval('1E1E1') }
|
|
end
|
|
|
|
def test_global_variable
|
|
assert_equal(nil, eval('$-x'))
|
|
assert_equal(nil, eval('alias $preserve_last_match $&'))
|
|
assert_equal(nil, eval('alias $& $test_parse_foobarbazqux'))
|
|
$test_parse_foobarbazqux = nil
|
|
assert_equal(nil, $&)
|
|
assert_equal(nil, eval('alias $& $preserve_last_match'))
|
|
assert_raise(SyntaxError) { eval('$#') }
|
|
end
|
|
|
|
def test_invalid_instance_variable
|
|
assert_raise(SyntaxError) { eval('@#') }
|
|
assert_raise(SyntaxError) { eval('@') }
|
|
end
|
|
|
|
def test_invalid_class_variable
|
|
assert_raise(SyntaxError) { eval('@@1') }
|
|
assert_raise(SyntaxError) { eval('@@') }
|
|
end
|
|
|
|
def test_invalid_char
|
|
bug10117 = '[ruby-core:64243] [Bug #10117]'
|
|
invalid_char = /Invalid char `\\x01'/
|
|
x = x = 1
|
|
assert_in_out_err(%W"-e \x01x", "", [], invalid_char, bug10117)
|
|
assert_syntax_error("\x01x", invalid_char, bug10117)
|
|
assert_equal(nil, eval("\x04x"))
|
|
end
|
|
|
|
def test_literal_concat
|
|
x = x = "baz"
|
|
assert_equal("foobarbaz", eval('"foo" "bar#{x}"'))
|
|
end
|
|
|
|
def test_unassignable
|
|
assert_raise(SyntaxError) do
|
|
eval %q(self = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval %q(nil = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval %q(true = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval %q(false = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval %q(__FILE__ = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval %q(__LINE__ = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval %q(__ENCODING__ = 1)
|
|
end
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
def foo
|
|
FOO = 1
|
|
end
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_block_dup
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
foo(&proc{}) {}
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_set_backref
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
$& = 1
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_arg_concat
|
|
o = Object.new
|
|
class << o; self; end.instance_eval do
|
|
define_method(:[]=) {|*r, &b| b.call(r) }
|
|
end
|
|
r = nil
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
o[&proc{|x| r = x }] = 1
|
|
END
|
|
end
|
|
assert_equal([1], r)
|
|
end
|
|
|
|
def test_void_expr_stmts_value
|
|
# This test checks if void contexts are warned correctly.
|
|
# Thus, warnings MUST NOT be suppressed.
|
|
$VERBOSE = true
|
|
stderr = $stderr
|
|
$stderr = StringIO.new("")
|
|
x = x = 1
|
|
assert_nil eval("x; nil")
|
|
assert_nil eval("1+1; nil")
|
|
assert_nil eval("TestParse; nil")
|
|
assert_nil eval("::TestParse; nil")
|
|
assert_nil eval("x..x; nil")
|
|
assert_nil eval("x...x; nil")
|
|
assert_nil eval("self; nil")
|
|
assert_nil eval("nil; nil")
|
|
assert_nil eval("true; nil")
|
|
assert_nil eval("false; nil")
|
|
assert_nil eval("defined?(1); nil")
|
|
|
|
assert_raise(SyntaxError) do
|
|
eval %q(1; next; 2)
|
|
end
|
|
|
|
assert_equal(13, $stderr.string.lines.to_a.size)
|
|
$stderr = stderr
|
|
end
|
|
|
|
def test_assign_in_conditional
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
(x, y = 1, 2) ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
if @x = true
|
|
1
|
|
else
|
|
2
|
|
end
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_literal_in_conditional
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
"foo" ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
x = "bar"
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
/foo#{x}baz/ ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
(true..false) ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
("foo".."bar") ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
x = x = "bar"
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
:"foo#{"x"}baz" ? 1 : 2
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_no_blockarg
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
yield(&:+)
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_method_block_location
|
|
bug5614 = '[ruby-core:40936]'
|
|
expected = nil
|
|
e = assert_raise(NoMethodError) do
|
|
1.times do
|
|
expected = __LINE__+1
|
|
end.print do
|
|
#
|
|
end
|
|
end
|
|
actual = e.backtrace.first[/\A#{Regexp.quote(__FILE__)}:(\d+):/o, 1].to_i
|
|
assert_equal(expected, actual, bug5614)
|
|
end
|
|
|
|
def test_shadowing_variable
|
|
assert_warning(/shadowing outer local variable/) {eval("a=1; tap {|a|}")}
|
|
a = "\u{3042}"
|
|
assert_warning(/#{a}/o) {eval("#{a}=1; tap {|#{a}|}")}
|
|
end
|
|
|
|
def test_unused_variable
|
|
o = Object.new
|
|
assert_warning(/assigned but unused variable/) {o.instance_eval("def foo; a=1; nil; end")}
|
|
a = "\u{3042}"
|
|
assert_warning(/#{a}/) {o.instance_eval("def foo; #{a}=1; nil; end")}
|
|
end
|
|
|
|
def test_named_capture_conflict
|
|
a = 1
|
|
assert_warning('') {eval("a = 1; /(?<a>)/ =~ ''")}
|
|
a = "\u{3042}"
|
|
assert_warning('') {eval("#{a} = 1; /(?<#{a}>)/ =~ ''")}
|
|
end
|
|
|
|
def test_rescue_in_command_assignment
|
|
bug = '[ruby-core:75621] [Bug #12402]'
|
|
all_assertions(bug) do |a|
|
|
a.for("lhs = arg") do
|
|
v = bug
|
|
v = raise(bug) rescue "ok"
|
|
assert_equal("ok", v)
|
|
end
|
|
a.for("lhs op_asgn arg") do
|
|
v = 0
|
|
v += raise(bug) rescue 1
|
|
assert_equal(1, v)
|
|
end
|
|
a.for("lhs[] op_asgn arg") do
|
|
v = [0]
|
|
v[0] += raise(bug) rescue 1
|
|
assert_equal([1], v)
|
|
end
|
|
a.for("lhs.m op_asgn arg") do
|
|
k = Struct.new(:m)
|
|
v = k.new(0)
|
|
v.m += raise(bug) rescue 1
|
|
assert_equal(k.new(1), v)
|
|
end
|
|
a.for("lhs::m op_asgn arg") do
|
|
k = Struct.new(:m)
|
|
v = k.new(0)
|
|
v::m += raise(bug) rescue 1
|
|
assert_equal(k.new(1), v)
|
|
end
|
|
a.for("lhs.C op_asgn arg") do
|
|
k = Struct.new(:C)
|
|
v = k.new(0)
|
|
v.C += raise(bug) rescue 1
|
|
assert_equal(k.new(1), v)
|
|
end
|
|
a.for("lhs::C op_asgn arg") do
|
|
v = Class.new
|
|
v::C ||= raise(bug) rescue 1
|
|
assert_equal(1, v::C)
|
|
end
|
|
a.for("lhs = command") do
|
|
v = bug
|
|
v = raise bug rescue "ok"
|
|
assert_equal("ok", v)
|
|
end
|
|
a.for("lhs op_asgn command") do
|
|
v = 0
|
|
v += raise bug rescue 1
|
|
assert_equal(1, v)
|
|
end
|
|
a.for("lhs[] op_asgn command") do
|
|
v = [0]
|
|
v[0] += raise bug rescue 1
|
|
assert_equal([1], v)
|
|
end
|
|
a.for("lhs.m op_asgn command") do
|
|
k = Struct.new(:m)
|
|
v = k.new(0)
|
|
v.m += raise bug rescue 1
|
|
assert_equal(k.new(1), v)
|
|
end
|
|
a.for("lhs::m op_asgn command") do
|
|
k = Struct.new(:m)
|
|
v = k.new(0)
|
|
v::m += raise bug rescue 1
|
|
assert_equal(k.new(1), v)
|
|
end
|
|
a.for("lhs.C op_asgn command") do
|
|
k = Struct.new(:C)
|
|
v = k.new(0)
|
|
v.C += raise bug rescue 1
|
|
assert_equal(k.new(1), v)
|
|
end
|
|
a.for("lhs::C op_asgn command") do
|
|
v = Class.new
|
|
v::C ||= raise bug rescue 1
|
|
assert_equal(1, v::C)
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_yyerror_at_eol
|
|
assert_syntax_error(" 0b", /\^/)
|
|
assert_syntax_error(" 0b\n", /\^/)
|
|
end
|
|
|
|
def test_error_def_in_argument
|
|
assert_separately([], "#{<<-"begin;"}\n#{<<~"end;"}")
|
|
begin;
|
|
assert_syntax_error("def f r:def d; def f 0end", /unexpected/)
|
|
end;
|
|
end
|
|
|
|
def test_method_location_in_rescue
|
|
bug = '[ruby-core:79388] [Bug #13181]'
|
|
obj, line = Object.new, __LINE__+1
|
|
def obj.location
|
|
#
|
|
raise
|
|
rescue
|
|
caller_locations(1, 1)[0]
|
|
end
|
|
|
|
assert_equal(line, obj.location.lineno, bug)
|
|
end
|
|
|
|
def test_negative_line_number
|
|
bug = '[ruby-core:80920] [Bug #13523]'
|
|
obj = Object.new
|
|
obj.instance_eval("def t(e = false);raise if e; __LINE__;end", "test", -100)
|
|
assert_equal(-100, obj.t, bug)
|
|
assert_equal(-100, obj.method(:t).source_location[1], bug)
|
|
e = assert_raise(RuntimeError) {obj.t(true)}
|
|
assert_equal(-100, e.backtrace_locations.first.lineno, bug)
|
|
end
|
|
|
|
def test_file_in_indented_heredoc
|
|
name = '[ruby-core:80987] [Bug #13540]' # long enough to be shared
|
|
assert_equal(name+"\n", eval("#{<<-"begin;"}\n#{<<-'end;'}", nil, name))
|
|
begin;
|
|
<<~HEREDOC
|
|
#{__FILE__}
|
|
HEREDOC
|
|
end;
|
|
end
|
|
|
|
=begin
|
|
def test_past_scope_variable
|
|
assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}
|
|
end
|
|
=end
|
|
end
|