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test_rubyoptions.rb: RbConfig::CONFIG['cppflags'] can be nil

not '' at least on AppVeyor

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63502 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2018-05-24 13:25:40 +00:00
parent 8d988784c3
commit 34d5625500

View file

@ -116,7 +116,7 @@ class TestRubyOptions < Test::Unit::TestCase
def test_verbose
assert_in_out_err(["-vve", ""]) do |r, e|
assert_match(VERSION_PATTERN, r[0])
if RbConfig::CONFIG['cppflags'].match?(/(\A|\s)-DMJIT_FORCE_ENABLE\b/)
if RbConfig::CONFIG.fetch('cppflags', '').match?(/(\A|\s)-DMJIT_FORCE_ENABLE\b/)
assert_equal(RUBY_DESCRIPTION, r[0])
else
assert_equal(NO_JIT_DESCRIPTION, r[0])