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ast.c: Fix to raise SyntaxError

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* ast.c: Fix to raise `SyntaxError` when `RubyVM::AST.parse`
  or `RubyVM::AST.parse_file` fail to parse input.
* test/ruby/test_ast.rb: Add test cases for invalid syntax.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63602 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yui-knk 2018-06-07 14:04:49 +00:00
parent afa7bfee8f
commit 6666103480
2 changed files with 31 additions and 4 deletions
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21
test/ruby/test_ast.rb
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@ -150,4 +150,25 @@ class TestAst < Test::Unit::TestCase
assert_equal(0, node.first_column)
assert_equal(5, node.last_column)
end
def test_parse_raises_syntax_error
assert_raise(SyntaxError) { RubyVM::AST.parse("end") }
end
def test_parse_file_raises_syntax_error
Tempfile.create(%w"test_ast .rb") do |f|
f.puts "end"
f.close
path = f.path
assert_in_out_err(%W[- #{path}], "#{<<-"begin;"}\n#{<<-"end;"}", /keyword_end/, [], success: true)
begin;
path = ARGV[0]
begin
RubyVM::AST.parse_file(path)
rescue SyntaxError => e
puts e.message
end
end;
end
end
end