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-rw-r--r--test/ruby/test_parse.rb864
1 files changed, 864 insertions, 0 deletions
diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
new file mode 100644
index 0000000000..7aaa17253c
--- /dev/null
+++ b/test/ruby/test_parse.rb
@@ -0,0 +1,864 @@
+require 'test/unit'
+
+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
+ begin
+ else
+ 42
+ end
+ END
+ assert_equal(42, x)
+ end
+
+ def test_alias_backref
+ assert_raise(SyntaxError) do
+ eval <<-END
+ 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
+ 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
+ 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
+ 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
+ $1 ||= t.foo 42
+ END
+ end
+
+ def t.bar(x); x + yield; end
+
+ a = b = nil
+ assert_nothing_raised do
+ eval <<-END
+ 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
+ a = bar "foo" { "bar" }
+ END
+ end
+ assert_equal("foobar", a)
+
+ a = nil
+ assert_nothing_raised do
+ eval <<-END
+ a = t::bar "foo" { "bar" }
+ END
+ end
+ assert_equal("foobar", a)
+
+ def t.baz(*r)
+ @baz = r + (block_given? ? [yield] : [])
+ end
+
+ assert_nothing_raised do
+ t.instance_eval "baz ()"
+ end
+ assert_equal([], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (1), 2"
+ end
+ assert_equal([1, 2], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (3, 4)"
+ end
+ assert_equal([3, 4], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (5, &proc{6})"
+ end
+ assert_equal([5, 6], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (7 => 8)"
+ end
+ assert_equal([{ 7 => 8 }], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (9, 10 => 11)"
+ end
+ assert_equal([9, { 10 => 11 }], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (12, 13, 14 => 15)"
+ end
+ assert_equal([12, 13, { 14 => 15 }], t.instance_eval { @baz })
+
+ assert_nothing_raised do
+ t.instance_eval "baz (&proc {16})"
+ end
+ assert_equal([16], 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
+ 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
+ def foo
+ self::FOO, self::BAR = 1, 2
+ ::FOO, ::BAR = 1, 2
+ end
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ $1, $2 = 1, 2
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ Object.new.instance_eval <<-END
+ def foo
+ ::FOO = 1
+ end
+ END
+ end
+
+ c = Class.new
+ assert_raise(SyntaxError) do
+ eval <<-END
+ c::FOO &= 1
+ ::FOO &= 1
+ END
+ end
+
+ c = Class.new
+ assert_raise(SyntaxError) do
+ eval <<-END
+ $1 &= 1
+ END
+ end
+ end
+
+ def test_class_module
+ assert_raise(SyntaxError) do
+ eval <<-END
+ class foo; end
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def foo
+ class Foo; end
+ module Bar; end
+ end
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ class Foo Bar; end
+ END
+ end
+ end
+
+ def test_op_name
+ o = Object.new
+ def o.>(x); x; end
+ def o./(x); x; end
+
+ a = nil
+ assert_nothing_raised do
+ o.instance_eval <<-END
+ undef >, /
+ END
+ end
+ end
+
+ def test_arg
+ o = Object.new
+ class << o
+ attr_accessor :foo, :bar, :Foo, :Bar, :baz, :qux
+ end
+ o.foo = o.Foo = o::baz = nil
+ o.bar = o.Bar = o::qux = 1
+ assert_nothing_raised do
+ eval <<-END
+ o.foo ||= 42
+ o.bar &&= 42
+ o.Foo ||= 42
+ o.Bar &&= 42
+ o::baz ||= 42
+ o::qux &&= 42
+ END
+ end
+ assert_equal([42, 42], [o.foo, o.bar])
+ assert_equal([42, 42], [o.Foo, o.Bar])
+ assert_equal([42, 42], [o::baz, o::qux])
+
+ a = nil
+ assert_nothing_raised do
+ eval <<-END
+ a = -2.0 ** 2
+ END
+ end
+ assert_equal(-4.0, a)
+ end
+
+ def test_open_args
+ o = Object.new
+ def o.foo(*r); r.inject(42, :+); end
+
+ a = nil
+ assert_nothing_raised do
+ o.instance_eval <<-END
+ a = foo ()
+ END
+ end
+ assert_equal(42, a)
+ end
+
+ def test_block_variable
+ o = Object.new
+ def o.foo(*r); yield(*r); end
+
+ a = nil
+ assert_nothing_raised do
+ eval <<-END
+ o.foo 1 {|; a| a = 42 }
+ END
+ end
+ assert_nil(a)
+ end
+
+ def test_bad_arg
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def foo(FOO); end
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def foo(@foo); end
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def foo($foo); end
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def foo(@@foo); end
+ END
+ end
+
+ o = Object.new
+ def o.foo(*r); yield(*r); end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ o.foo 1 {|; @a| @a = 42 }
+ END
+ end
+ end
+
+ def test_do_lambda
+ a = b = nil
+ assert_nothing_raised do
+ eval <<-END
+ 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
+ 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
+ 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_dsym
+ assert_nothing_raised { eval(':""') }
+ end
+
+ def test_arg2
+ o = Object.new
+
+ assert_nothing_raised do
+ eval <<-END
+ 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
+ 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
+ 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
+ 1.times {|&b?| }
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ 1.times {|a, a|}
+ END
+ end
+
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def foo(a, a); end
+ END
+ end
+ end
+
+ def test_define_singleton_error
+ assert_raise(SyntaxError) do
+ eval <<-END
+ def ("foo").foo; end
+ END
+ end
+ end
+
+ def test_backquote
+ t = Object.new
+
+ assert_nothing_raised do
+ eval <<-END
+ def t.`(x); "foo" + x + "bar"; end
+ END
+ end
+ a = b = nil
+ assert_nothing_raised do
+ eval <<-END
+ a = t.` "zzz"
+ 1.times {|;z| t.` ("zzz") }
+ END
+ t.instance_eval <<-END
+ 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
+ assert_raise(SyntaxError) do
+ eval ":'foo\0bar'"
+ end
+ assert_raise(SyntaxError) do
+ eval ':"foo\u0000bar"'
+ end
+ assert_raise(SyntaxError) do
+ eval ':"foo\u{0}bar"'
+ end
+ assert_raise(SyntaxError) do
+ eval ':"foo\u{}bar"'
+ end
+ end
+
+ def test_parse_string
+ assert_raise(SyntaxError) do
+ eval <<-END
+/
+ END
+ end
+ end
+
+ def test_here_document
+ x = nil
+
+ assert_raise(SyntaxError) do
+ eval %q(
+<<FOO
+ )
+ end
+
+ assert_raise(SyntaxError) do
+ eval %q(
+<<FOO
+#$
+FOO
+ )
+ end
+
+ assert_raise(SyntaxError) do
+ eval %q(
+<<"
+ )
+ end
+
+ assert_raise(SyntaxError) do
+ eval %q(
+<<``
+ )
+ end
+
+ assert_raise(SyntaxError) do
+ eval %q(
+<<--
+ )
+ end
+
+ assert_raise(SyntaxError) do
+ eval %q(
+<<FOO
+#$
+foo
+FOO
+ )
+ end
+
+ 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
+# coding = utf-8
+x = __ENCODING__
+ END
+ end
+ assert_equal(Encoding.find("UTF-8"), x)
+
+ assert_raise(ArgumentError) do
+ eval <<-END
+# 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
+ 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
+=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 $& $test_parse_foobarbazqux'))
+ $test_parse_foobarbazqux = nil
+ assert_raise(SyntaxError) { eval('$#') }
+ end
+
+ def test_invalid_instance_variable
+ assert_raise(SyntaxError) { eval('@#') }
+ end
+
+ def test_invalid_class_variable
+ assert_raise(SyntaxError) { eval('@@1') }
+ end
+
+ def test_invalid_char
+ x = 1
+ assert_equal(1, eval("\x01x"))
+ assert_equal(nil, eval("\x04x"))
+ end
+
+ def test_literal_concat
+ 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
+ def foo
+ FOO = 1
+ end
+ END
+ end
+ end
+
+ def test_block_dup
+ assert_raise(SyntaxError) do
+ eval <<-END
+ foo(&proc{}) {}
+ END
+ end
+ end
+
+ def test_set_backref
+ assert_raise(SyntaxError) do
+ eval <<-END
+ $& = 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
+ o[&proc{|x| r = x }] = 1
+ END
+ end
+ assert_equal([1], r)
+ end
+
+ def test_void_expr_stmts_value
+ $VERBOSE = true
+ x = 1
+ assert_nil eval("x; nil")
+ assert_nil eval("1+1; nil")
+ assert_nil eval("TestParse; nil")
+ assert_nil eval("::TestParse; nil")
+ assert_nil eval("x..x; nil")
+ assert_nil eval("x...x; nil")
+ assert_nil eval("self; nil")
+ assert_nil eval("nil; nil")
+ assert_nil eval("true; nil")
+ assert_nil eval("false; nil")
+ assert_nil eval("defined?(1); nil")
+
+ assert_raise(SyntaxError) do
+ eval %q(1; next; 2)
+ end
+
+ o = Object.new
+ assert_nothing_raised do
+ eval <<-END
+ x = def o.foo; end
+ END
+ end
+ end
+
+ def test_assign_in_conditional
+ assert_raise(SyntaxError) do
+ eval <<-END
+ (x, y = 1, 2) ? 1 : 2
+ END
+ end
+
+ assert_nothing_raised do
+ eval <<-END
+ if @x = true
+ 1
+ else
+ 2
+ end
+ END
+ end
+ end
+
+ def test_literal_in_conditional
+ assert_nothing_raised do
+ eval <<-END
+ "foo" ? 1 : 2
+ END
+ end
+
+ assert_nothing_raised do
+ x = "bar"
+ eval <<-END
+ /foo#{x}baz/ ? 1 : 2
+ END
+ end
+
+ assert_nothing_raised do
+ eval <<-END
+ (true..false) ? 1 : 2
+ END
+ end
+
+ assert_nothing_raised do
+ eval <<-END
+ ("foo".."bar") ? 1 : 2
+ END
+ end
+
+ assert_nothing_raised do
+ x = "bar"
+ eval <<-END
+ :"foo#{"x"}baz" ? 1 : 2
+ END
+ end
+ end
+
+ def test_no_blockarg
+ assert_raise(SyntaxError) do
+ eval <<-END
+ yield(&:+)
+ END
+ end
+ end
+
+ def test_intern
+ assert_equal(':""', ''.intern.inspect)
+ assert_equal(':$foo', '$foo'.intern.inspect)
+ assert_equal(':"!foo"', '!foo'.intern.inspect)
+ assert_equal(':"foo=="', "foo==".intern.inspect)
+ end
+
+ def test_all_symbols
+ x = Symbol.all_symbols
+ assert_kind_of(Array, x)
+ assert(x.all? {|s| s.is_a?(Symbol) })
+ end
+
+ def test_is_class_id
+ c = Class.new
+ assert_raise(NameError) do
+ c.instance_eval { remove_class_variable(:@var) }
+ end
+ end
+end
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