mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
a6a85a0cb7
* parse.y (parser_nextc): warn carriage return in middle of line. [ruby-core:56240] [Feature #8699] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
432 lines
13 KiB
Ruby
432 lines
13 KiB
Ruby
require 'test/unit'
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require_relative 'envutil'
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class TestSyntax < Test::Unit::TestCase
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def assert_syntax_files(test)
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srcdir = File.expand_path("../../..", __FILE__)
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srcdir = File.join(srcdir, test)
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assert_separately(%W[--disable-gem -r#{__dir__}/envutil - #{srcdir}],
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__FILE__, __LINE__, <<-'eom', timeout: Float::INFINITY)
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dir = ARGV.shift
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for script in Dir["#{dir}/**/*.rb"].sort
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assert_valid_syntax(IO::read(script), script)
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end
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eom
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end
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def test_syntax_lib; assert_syntax_files("lib"); end
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def test_syntax_sample; assert_syntax_files("sample"); end
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def test_syntax_ext; assert_syntax_files("ext"); end
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def test_syntax_test; assert_syntax_files("test"); end
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def test_defined_empty_argument
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bug8220 = '[ruby-core:53999] [Bug #8220]'
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assert_ruby_status(%w[--disable-gem], 'puts defined? ()', bug8220)
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end
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def test_must_ascii_compatible
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require 'tempfile'
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f = Tempfile.new("must_ac_")
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Encoding.list.each do |enc|
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next unless enc.ascii_compatible?
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make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
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assert_nothing_raised(ArgumentError, enc.name) {load(f.path)}
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end
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Encoding.list.each do |enc|
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next if enc.ascii_compatible?
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make_tmpsrc(f, "# -*- coding: #{enc.name} -*-")
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assert_raise(ArgumentError, enc.name) {load(f.path)}
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end
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f.close!
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end
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def test_script_lines
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require 'tempfile'
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f = Tempfile.new("bug4361_")
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bug4361 = '[ruby-dev:43168]'
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with_script_lines do |debug_lines|
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Encoding.list.each do |enc|
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next unless enc.ascii_compatible?
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make_tmpsrc(f, "# -*- coding: #{enc.name} -*-\n#----------------")
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load(f.path)
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assert_equal([f.path], debug_lines.keys)
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assert_equal([enc, enc], debug_lines[f.path].map(&:encoding), bug4361)
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end
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end
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f.close!
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end
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def test_newline_in_block_parameters
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bug = '[ruby-dev:45292]'
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["", "a", "a, b"].product(["", ";x", [";", "x"]]) do |params|
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params = ["|", *params, "|"].join("\n")
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assert_valid_syntax("1.times{#{params}}", __FILE__, "#{bug} #{params.inspect}")
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end
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end
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tap do |_,
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bug6115 = '[ruby-dev:45308]',
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blockcall = '["elem"].each_with_object [] do end',
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methods = [['map', 'no'], ['inject([])', 'with']],
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blocks = [['do end', 'do'], ['{}', 'brace']],
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*|
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[%w'. dot', %w':: colon'].product(methods, blocks) do |(c, n1), (m, n2), (b, n3)|
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m = m.tr_s('()', ' ').strip if n2 == 'do'
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name = "test_#{n3}_block_after_blockcall_#{n1}_#{n2}_arg"
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code = "#{blockcall}#{c}#{m} #{b}"
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define_method(name) {assert_valid_syntax(code, bug6115)}
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end
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end
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def test_keyword_rest
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bug5989 = '[ruby-core:42455]'
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assert_valid_syntax("def kwrest_test(**a) a; end", __FILE__, bug5989)
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assert_valid_syntax("def kwrest_test2(**a, &b) end", __FILE__, bug5989)
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o = Object.new
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def o.kw(**a) a end
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assert_equal({}, o.kw, bug5989)
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assert_equal({foo: 1}, o.kw(foo: 1), bug5989)
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assert_equal({foo: 1, bar: 2}, o.kw(foo: 1, bar: 2), bug5989)
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EnvUtil.under_gc_stress do
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eval("def o.m(k: 0) k end")
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end
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assert_equal(42, o.m(k: 42), '[ruby-core:45744]')
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bug7922 = '[ruby-core:52744] [Bug #7922]'
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def o.bug7922(**) end
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assert_nothing_raised(ArgumentError, bug7922) {o.bug7922(foo: 42)}
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end
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def test_keyword_splat
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assert_valid_syntax("foo(**h)", __FILE__)
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o = Object.new
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def o.kw(k1: 1, k2: 2) [k1, k2] end
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h = {k1: 11, k2: 12}
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assert_equal([11, 12], o.kw(**h))
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assert_equal([11, 22], o.kw(k2: 22, **h))
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assert_equal([11, 12], o.kw(**h, **{k2: 22}))
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assert_equal([11, 22], o.kw(**{k2: 22}, **h))
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h = {k3: 31}
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assert_raise(ArgumentError) {o.kw(**h)}
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h = {"k1"=>11, k2: 12}
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assert_raise(TypeError) {o.kw(**h)}
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end
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def test_warn_grouped_expression
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bug5214 = '[ruby-core:39050]'
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assert_warning("", bug5214) do
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assert_valid_syntax("foo \\\n(\n true)", "test") {$VERBOSE = true}
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end
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end
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def test_warn_unreachable
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assert_warning("test:3: warning: statement not reached\n") do
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code = "loop do\n" "break\n" "foo\n" "end"
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assert_valid_syntax(code, "test") {$VERBOSE = true}
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end
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end
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def test_warn_balanced
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warning = <<WARN
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test:1: warning: `%s' after local variable or literal is interpreted as binary operator
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test:1: warning: even though it seems like %s
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WARN
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[
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[:**, "argument prefix"],
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[:*, "argument prefix"],
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[:<<, "here document"],
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[:&, "argument prefix"],
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[:+, "unary operator"],
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[:-, "unary operator"],
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[:/, "regexp literal"],
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[:%, "string literal"],
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].each do |op, syn|
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assert_warning(warning % [op, syn]) do
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assert_valid_syntax("puts 1 #{op}0", "test") {$VERBOSE = true}
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end
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end
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end
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def test_cmd_symbol_after_keyword
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bug6347 = '[ruby-dev:45563]'
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assert_not_label(:foo, 'if true then not_label:foo end', bug6347)
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assert_not_label(:foo, 'if false; else not_label:foo end', bug6347)
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assert_not_label(:foo, 'begin not_label:foo end', bug6347)
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assert_not_label(:foo, 'begin ensure not_label:foo end', bug6347)
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end
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def test_cmd_symbol_in_string
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bug6347 = '[ruby-dev:45563]'
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assert_not_label(:foo, '"#{not_label:foo}"', bug6347)
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end
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def test_cmd_symbol_singleton_class
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bug6347 = '[ruby-dev:45563]'
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@not_label = self
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assert_not_label(:foo, 'class << not_label:foo; end', bug6347)
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end
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def test_cmd_symbol_superclass
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bug6347 = '[ruby-dev:45563]'
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@not_label = Object
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assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347)
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end
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def test_duplicated_arg
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assert_syntax_error("def foo(a, a) end", /duplicated argument name/)
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end
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def test_duplicated_rest
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assert_syntax_error("def foo(a, *a) end", /duplicated argument name/)
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end
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def test_duplicated_opt
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assert_syntax_error("def foo(a, a=1) end", /duplicated argument name/)
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end
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def test_duplicated_opt_rest
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assert_syntax_error("def foo(a=1, *a) end", /duplicated argument name/)
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end
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def test_duplicated_rest_opt
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assert_syntax_error("def foo(*a, a=1) end", /duplicated argument name/)
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end
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def test_duplicated_rest_post
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assert_syntax_error("def foo(*a, a) end", /duplicated argument name/)
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end
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def test_duplicated_opt_post
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assert_syntax_error("def foo(a=1, a) end", /duplicated argument name/)
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end
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def test_duplicated_kw
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assert_syntax_error("def foo(a, a: 1) end", /duplicated argument name/)
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end
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def test_duplicated_rest_kw
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assert_syntax_error("def foo(*a, a: 1) end", /duplicated argument name/)
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end
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def test_duplicated_opt_kw
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assert_syntax_error("def foo(a=1, a: 1) end", /duplicated argument name/)
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end
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def test_duplicated_kw_kwrest
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assert_syntax_error("def foo(a: 1, **a) end", /duplicated argument name/)
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end
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def test_duplicated_rest_kwrest
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assert_syntax_error("def foo(*a, **a) end", /duplicated argument name/)
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end
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def test_duplicated_opt_kwrest
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assert_syntax_error("def foo(a=1, **a) end", /duplicated argument name/)
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end
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def test_duplicated_when
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w = 'warning: duplicated when clause is ignored'
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assert_warning(/3: #{w}.+4: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){
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eval %q{
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case 1
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when 1, 1
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when 1, 1
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when 1, 1
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end
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}
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}
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assert_warning(/#{w}/){#/3: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){
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a = 1
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eval %q{
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case 1
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when 1, 1
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when 1, a
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when 1, 1
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end
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}
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}
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end
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def test_lambda_with_space
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feature6390 = '[ruby-dev:45605]'
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assert_valid_syntax("-> (x, y) {}", __FILE__, feature6390)
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end
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def test_do_block_in_cmdarg_begin
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bug6419 = '[ruby-dev:45631]'
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assert_valid_syntax("p begin 1.times do 1 end end", __FILE__, bug6419)
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end
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def test_reserved_method_no_args
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bug6403 = '[ruby-dev:45626]'
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assert_valid_syntax("def self; :foo; end", __FILE__, bug6403)
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end
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def test_unassignable
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gvar = global_variables
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%w[self nil true false __FILE__ __LINE__ __ENCODING__].each do |kwd|
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assert_raise(SyntaxError) {eval("#{kwd} = nil")}
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assert_equal(gvar, global_variables)
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end
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end
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Bug7559 = '[ruby-dev:46737]'
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def test_lineno_command_call_quote
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expected = __LINE__ + 1
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actual = caller_lineno "a
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b
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c
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d
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e"
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assert_equal(expected, actual, "#{Bug7559}: ")
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end
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def test_lineno_after_heredoc
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bug7559 = '[ruby-dev:46737]'
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expected, _, actual = __LINE__, <<eom, __LINE__
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a
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b
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c
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d
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eom
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assert_equal(expected, actual, bug7559)
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end
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def test_lineno_operation_brace_block
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expected = __LINE__ + 1
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actual = caller_lineno\
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{}
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assert_equal(expected, actual)
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end
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def assert_constant_reassignment_nested(preset, op, expected, err = [], bug = '[Bug #5449]')
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[
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["p ", ""], # no-pop
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["", "p Foo::Bar"], # pop
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].each do |p1, p2|
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src = <<-EOM.gsub(/^\s*\n/, '')
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class Foo
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#{"Bar = " + preset if preset}
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end
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#{p1}Foo::Bar #{op}= 42
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#{p2}
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EOM
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msg = "\# #{bug}\n#{src}"
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assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
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assert_in_out_err([], src, expected, err, msg)
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end
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end
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def test_constant_reassignment_nested
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already = /already initialized constant Foo::Bar/
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uninitialized = /uninitialized constant Foo::Bar/
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assert_constant_reassignment_nested(nil, "||", %w[42])
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assert_constant_reassignment_nested("false", "||", %w[42], already)
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assert_constant_reassignment_nested("true", "||", %w[true])
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assert_constant_reassignment_nested(nil, "&&", [], uninitialized)
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assert_constant_reassignment_nested("false", "&&", %w[false])
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assert_constant_reassignment_nested("true", "&&", %w[42], already)
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assert_constant_reassignment_nested(nil, "+", [], uninitialized)
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assert_constant_reassignment_nested("false", "+", [], /undefined method/)
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assert_constant_reassignment_nested("11", "+", %w[53], already)
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end
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def assert_constant_reassignment_toplevel(preset, op, expected, err = [], bug = '[Bug #5449]')
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[
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["p ", ""], # no-pop
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["", "p ::Bar"], # pop
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].each do |p1, p2|
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src = <<-EOM.gsub(/^\s*\n/, '')
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#{"Bar = " + preset if preset}
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class Foo
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#{p1}::Bar #{op}= 42
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#{p2}
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end
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EOM
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msg = "\# #{bug}\n#{src}"
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assert_valid_syntax(src, caller_locations(1, 1)[0].path, msg)
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assert_in_out_err([], src, expected, err, msg)
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end
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end
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def test_constant_reassignment_toplevel
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already = /already initialized constant Bar/
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uninitialized = /uninitialized constant Bar/
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assert_constant_reassignment_toplevel(nil, "||", %w[42])
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assert_constant_reassignment_toplevel("false", "||", %w[42], already)
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assert_constant_reassignment_toplevel("true", "||", %w[true])
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assert_constant_reassignment_toplevel(nil, "&&", [], uninitialized)
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assert_constant_reassignment_toplevel("false", "&&", %w[false])
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assert_constant_reassignment_toplevel("true", "&&", %w[42], already)
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assert_constant_reassignment_toplevel(nil, "+", [], uninitialized)
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assert_constant_reassignment_toplevel("false", "+", [], /undefined method/)
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assert_constant_reassignment_toplevel("11", "+", %w[53], already)
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end
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def test_integer_suffix
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["1if true", "begin 1end"].each do |src|
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assert_valid_syntax(src)
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assert_equal(1, eval(src), src)
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end
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end
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def test_value_of_def
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assert_separately [], <<-EOS
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assert_equal(:foo, (def foo; end))
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assert_equal(:foo, (def (Object.new).foo; end))
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EOS
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end
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def test_heredoc_cr
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assert_syntax_error("puts <<""EOS\n""ng\n""EOS\r""NO\n", /can't find string "EOS" anywhere before EOF/)
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end
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def test__END___cr
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assert_syntax_error("__END__\r<<<<<\n", /unexpected <</)
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end
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def test_warning_for_cr
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feature8699 = '[ruby-core:56240] [Feature #8699]'
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assert_warning(/encountered \\r/, feature8699) do
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eval("\r""__id__\r")
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end
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end
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private
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def not_label(x) @result = x; @not_label ||= nil end
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def assert_not_label(expected, src, message = nil)
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@result = nil
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assert_nothing_raised(SyntaxError, message) {eval(src)}
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assert_equal(expected, @result, message)
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end
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def make_tmpsrc(f, src)
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f.open
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f.truncate(0)
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f.puts(src)
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f.close
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end
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def with_script_lines
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script_lines = nil
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debug_lines = {}
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Object.class_eval do
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if defined?(SCRIPT_LINES__)
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script_lines = SCRIPT_LINES__
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remove_const :SCRIPT_LINES__
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end
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const_set(:SCRIPT_LINES__, debug_lines)
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end
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yield debug_lines
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ensure
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Object.class_eval do
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remove_const :SCRIPT_LINES__
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const_set(:SCRIPT_LINES__, script_lines) if script_lines
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end
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end
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def caller_lineno(*)
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caller_locations(1, 1)[0].lineno
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end
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end
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