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Send the backtrace of the circular require warning as a single String to Warning.warn

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* load.c: send as a single string.
* error.c: expose the string formatted by rb_warning as rb_warning_string().
* test/ruby/test_exception.rb: update tests.
  [ruby-core:80850] [Bug #13505]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58493 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
eregon 2017-04-27 12:07:43 +00:00
parent 29ca20de2d
commit acde55201b
4 changed files with 14 additions and 4 deletions
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4
test/ruby/test_exception.rb
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@ -1005,9 +1005,9 @@ $stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status|
$LOAD_PATH.pop
$LOADED_FEATURES.delete(t)
end
assert_equal(1, warning.size)
assert_match(/circular require/, warning.first)
warning.pop while %r[lib/rubygems/core_ext/kernel_require.rb:] =~ warning.last
assert_operator(warning.last, :start_with?, "\tfrom #{path}:1:")
assert_match(/^\tfrom #{Regexp.escape(path)}:1:/, warning.first)
end
def test_undefined_backtrace