mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
9194b220a5
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
851 lines
18 KiB
Ruby
851 lines
18 KiB
Ruby
# coding: US-ASCII
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require 'test/unit'
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require 'stringio'
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class TestParse < Test::Unit::TestCase
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def setup
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@verbose = $VERBOSE
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$VERBOSE = nil
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end
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def teardown
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$VERBOSE = @verbose
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end
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def test_else_without_rescue
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x = eval <<-END, nil, __FILE__, __LINE__+1
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begin
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else
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42
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end
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END
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assert_equal(42, x)
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end
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def test_alias_backref
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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alias $foo $1
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END
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end
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end
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def test_command_call
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t = Object.new
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def t.foo(x); x; end
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a = false
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b = c = d = true
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a &&= t.foo 42
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b &&= t.foo 42
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c &&= t.foo nil
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d &&= t.foo false
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END
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end
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assert_equal([false, 42, nil, false], [a, b, c, d])
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a = 3
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assert_nothing_raised { eval("a &= t.foo 5") }
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assert_equal(1, a)
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a = [nil, nil, true, true]
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a[0] ||= t.foo 42
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a[1] &&= t.foo 42
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a[2] ||= t.foo 42
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a[3] &&= t.foo 42
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END
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end
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assert_equal([42, nil, true, 42], a)
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o = Object.new
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class << o
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attr_accessor :foo, :bar, :Foo, :Bar, :baz, :qux
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end
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o.foo = o.Foo = o::baz = nil
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o.bar = o.Bar = o::qux = 1
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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o.foo ||= t.foo 42
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o.bar &&= t.foo 42
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o.Foo ||= t.foo 42
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o.Bar &&= t.foo 42
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o::baz ||= t.foo 42
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o::qux &&= t.foo 42
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END
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end
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assert_equal([42, 42], [o.foo, o.bar])
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assert_equal([42, 42], [o.Foo, o.Bar])
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assert_equal([42, 42], [o::baz, o::qux])
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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$1 ||= t.foo 42
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END
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end
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def t.bar(x); x + yield; end
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a = b = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a = t.bar "foo" do
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"bar"
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end.gsub "ob", "OB"
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b = t.bar "foo" do
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"bar"
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end::gsub "ob", "OB"
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END
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end
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assert_equal("foOBar", a)
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assert_equal("foOBar", b)
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a = nil
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assert_nothing_raised do
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t.instance_eval <<-END, __FILE__, __LINE__+1
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a = bar "foo" do "bar" end
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END
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end
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assert_equal("foobar", a)
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a = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a = t::bar "foo" do "bar" end
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END
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end
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assert_equal("foobar", a)
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def t.baz(*r)
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@baz = r + (block_given? ? [yield] : [])
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end
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assert_nothing_raised do
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t.instance_eval "baz (1), 2"
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end
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assert_equal([1, 2], t.instance_eval { @baz })
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end
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def test_mlhs_node
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c = Class.new
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class << c
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attr_accessor :foo, :bar, :Foo, :Bar
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FOO = BAR = nil
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end
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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c::foo, c::bar = 1, 2
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c.Foo, c.Bar = 1, 2
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c::FOO, c::BAR = 1, 2
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END
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end
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assert_equal([1, 2], [c::foo, c::bar])
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assert_equal([1, 2], [c.Foo, c.Bar])
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assert_equal([1, 2], [c::FOO, c::BAR])
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end
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def test_dynamic_constant_assignment
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assert_raise(SyntaxError) do
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Object.new.instance_eval <<-END, __FILE__, __LINE__+1
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def foo
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self::FOO, self::BAR = 1, 2
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::FOO, ::BAR = 1, 2
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end
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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$1, $2 = 1, 2
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END
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end
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assert_raise(SyntaxError) do
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Object.new.instance_eval <<-END, __FILE__, __LINE__+1
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def foo
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::FOO = 1
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end
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END
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end
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c = Class.new
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assert_nothing_raised(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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if false
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c::FOO &= 1
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::FOO &= 1
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end
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END
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end
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c = Class.new
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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$1 &= 1
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END
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end
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end
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def test_class_module
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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class foo; end
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def foo
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class Foo; end
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module Bar; end
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end
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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class Foo Bar; end
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END
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end
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end
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def test_op_name
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o = Object.new
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def o.>(x); x; end
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def o./(x); x; end
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assert_nothing_raised do
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o.instance_eval <<-END, __FILE__, __LINE__+1
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undef >, /
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END
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end
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end
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def test_arg
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o = Object.new
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class << o
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attr_accessor :foo, :bar, :Foo, :Bar, :baz, :qux
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end
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o.foo = o.Foo = o::baz = nil
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o.bar = o.Bar = o::qux = 1
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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o.foo ||= 42
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o.bar &&= 42
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o.Foo ||= 42
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o.Bar &&= 42
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o::baz ||= 42
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o::qux &&= 42
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END
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end
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assert_equal([42, 42], [o.foo, o.bar])
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assert_equal([42, 42], [o.Foo, o.Bar])
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assert_equal([42, 42], [o::baz, o::qux])
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a = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a = -2.0 ** 2
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END
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end
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assert_equal(-4.0, a)
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end
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def test_block_variable
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o = Object.new
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def o.foo(*r); yield(*r); end
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a = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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o.foo 1 do|; a| a = 42 end
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END
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end
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assert_nil(a)
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end
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def test_bad_arg
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def foo(FOO); end
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def foo(@foo); end
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def foo($foo); end
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def foo(@@foo); end
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END
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end
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o = Object.new
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def o.foo(*r); yield(*r); end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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o.foo 1 {|; @a| @a = 42 }
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END
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end
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end
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def test_do_lambda
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a = b = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a = -> do
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b = 42
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end
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END
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end
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a.call
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assert_equal(42, b)
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end
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def test_block_call_colon2
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o = Object.new
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def o.foo(x); x + yield; end
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a = b = nil
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assert_nothing_raised do
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o.instance_eval <<-END, __FILE__, __LINE__+1
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a = foo 1 do 42 end.to_s
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b = foo 1 do 42 end::to_s
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END
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end
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assert_equal("43", a)
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assert_equal("43", b)
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end
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def test_call_method
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a = b = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a = proc {|x| x + "bar" }.("foo")
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b = proc {|x| x + "bar" }::("foo")
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END
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end
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assert_equal("foobar", a)
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assert_equal("foobar", b)
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end
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def test_xstring
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assert_raise(Errno::ENOENT) do
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eval("``")
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end
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end
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def test_words
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assert_equal([], %W( ))
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end
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def test_dstr
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@@foo = 1
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assert_equal("foo 1 bar", "foo #@@foo bar")
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"1" =~ /(.)/
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assert_equal("foo 1 bar", "foo #$1 bar")
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end
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def test_dstr_disallowed_variable
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bug8375 = '[ruby-core:54885] [Bug #8375]'
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%w[@ @1 @@. @@ @@1 @@. $ $%].each do |src|
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src = '#'+src+' '
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str = assert_nothing_raised(SyntaxError, "#{bug8375} #{src.dump}") do
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break eval('"'+src+'"')
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end
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assert_equal(src, str, bug8375)
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end
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end
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def test_dsym
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assert_nothing_raised { eval(':""') }
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end
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def test_arg2
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o = Object.new
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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def o.foo(a=42,*r,z,&b); b.call(r.inject(a*1000+z*100, :+)); end
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END
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end
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assert_equal(-1405, o.foo(1,2,3,4) {|x| -x })
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assert_equal(-1302, o.foo(1,2,3) {|x| -x })
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assert_equal(-1200, o.foo(1,2) {|x| -x })
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assert_equal(-42100, o.foo(1) {|x| -x })
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assert_raise(ArgumentError) { o.foo() }
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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def o.foo(a=42,z,&b); b.call(a*1000+z*100); end
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END
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end
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assert_equal(-1200, o.foo(1,2) {|x| -x } )
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assert_equal(-42100, o.foo(1) {|x| -x } )
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assert_raise(ArgumentError) { o.foo() }
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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def o.foo(*r,z,&b); b.call(r.inject(z*100, :+)); end
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END
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end
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assert_equal(-303, o.foo(1,2,3) {|x| -x } )
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assert_equal(-201, o.foo(1,2) {|x| -x } )
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assert_equal(-100, o.foo(1) {|x| -x } )
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assert_raise(ArgumentError) { o.foo() }
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end
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def test_duplicate_argument
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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1.times {|&b?| }
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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1.times {|a, a|}
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END
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end
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def foo(a, a); end
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END
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end
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end
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def test_define_singleton_error
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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def ("foo").foo; end
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END
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end
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end
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def test_backquote
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t = Object.new
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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def t.`(x); "foo" + x + "bar"; end
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END
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end
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a = b = nil
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assert_nothing_raised do
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eval <<-END, nil, __FILE__, __LINE__+1
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a = t.` "zzz"
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1.times {|;z| t.` ("zzz") }
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END
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t.instance_eval <<-END, __FILE__, __LINE__+1
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b = `zzz`
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END
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end
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assert_equal("foozzzbar", a)
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assert_equal("foozzzbar", b)
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end
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def test_carrige_return
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assert_equal(2, eval("1 +\r\n1"))
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end
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def test_string
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assert_raise(SyntaxError) do
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eval '"\xg1"'
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end
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assert_raise(SyntaxError) do
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eval '"\u{1234"'
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end
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assert_raise(SyntaxError) do
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eval '"\M1"'
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end
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assert_raise(SyntaxError) do
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eval '"\C1"'
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end
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assert_equal("\x81", eval('"\C-\M-a"'))
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assert_equal("\177", eval('"\c?"'))
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end
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def test_question
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assert_raise(SyntaxError) { eval('?') }
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assert_raise(SyntaxError) { eval('? ') }
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assert_raise(SyntaxError) { eval("?\n") }
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assert_raise(SyntaxError) { eval("?\t") }
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assert_raise(SyntaxError) { eval("?\v") }
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assert_raise(SyntaxError) { eval("?\r") }
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assert_raise(SyntaxError) { eval("?\f") }
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assert_equal("\u{1234}", eval("?\u{1234}"))
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assert_equal("\u{1234}", eval('?\u{1234}'))
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end
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def test_percent
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assert_equal(:foo, eval('%s(foo)'))
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assert_raise(SyntaxError) { eval('%s') }
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assert_raise(SyntaxError) { eval('%ss') }
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assert_raise(SyntaxError) { eval('%z()') }
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end
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def test_symbol
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bug = '[ruby-dev:41447]'
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sym = "foo\0bar".to_sym
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assert_nothing_raised(SyntaxError, bug) do
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assert_equal(sym, eval(":'foo\0bar'"))
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end
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assert_nothing_raised(SyntaxError, bug) do
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assert_equal(sym, eval(':"foo\u0000bar"'))
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end
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assert_nothing_raised(SyntaxError, bug) do
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assert_equal(sym, eval(':"foo\u{0}bar"'))
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end
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assert_raise(SyntaxError) do
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eval ':"foo\u{}bar"'
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end
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end
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def test_parse_string
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assert_raise(SyntaxError) do
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eval <<-END, nil, __FILE__, __LINE__+1
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/
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END
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end
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end
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def test_here_document
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x = nil
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assert_raise(SyntaxError) do
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eval %Q(
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<\<FOO
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)
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end
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assert_nothing_raised(SyntaxError) do
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x = eval %q(
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<<FOO
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#$
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FOO
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)
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end
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assert_equal "\#$\n", x
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assert_raise(SyntaxError) do
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eval %Q(
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<\<\"
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)
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end
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assert_raise(SyntaxError) do
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eval %q(
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<<``
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)
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end
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assert_raise(SyntaxError) do
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eval %q(
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<<--
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)
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end
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assert_nothing_raised(SyntaxError) do
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x = eval %q(
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<<FOO
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#$
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foo
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FOO
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)
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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('@#') }
|
|
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, 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 = 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)
|
|
$stderr = stderr
|
|
end
|
|
|
|
def test_assign_in_conditional
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
(x, y = 1, 2) ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
if @x = true
|
|
1
|
|
else
|
|
2
|
|
end
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_literal_in_conditional
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
"foo" ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
x = "bar"
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
/foo#{x}baz/ ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
(true..false) ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
("foo".."bar") ? 1 : 2
|
|
END
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
x = "bar"
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
:"foo#{"x"}baz" ? 1 : 2
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_no_blockarg
|
|
assert_raise(SyntaxError) do
|
|
eval <<-END, nil, __FILE__, __LINE__+1
|
|
yield(&:+)
|
|
END
|
|
end
|
|
end
|
|
|
|
def test_intern
|
|
assert_equal(':""', ''.intern.inspect)
|
|
assert_equal(':$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_empty(x.reject {|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
|
|
|
|
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
|
|
end
|