ruby.c: accept --disable-jit option

by promoting jit to feature flag.

mjit.h: update comment about mjit_opts.on

test_rubyoptions.rb: add test for switching JIT enablement

"--jit" flag usage may be deprecated later, but not discussed yet.

[Feature #14878]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63995 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 26 insertions, 7 deletions

diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 65dc2267cb..83c2b55e90 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -181,15 +181,34 @@ class TestRubyOptions < Test::Unit::TestCase
       end
       assert_equal([], e)
     end
+
+    [
+      %w(--version --jit --disable=jit),
+      %w(--version --enable=jit --disable=jit),
+      %w(--version --enable-jit --disable-jit),
+    ].each do |args|
+      assert_in_out_err(args) do |r, e|
+        assert_match(VERSION_PATTERN, r[0])
+        assert_match(NO_JIT_DESCRIPTION, r[0])
+        assert_equal([], e)
+      end
+    end
+
     if JITSupport.supported?
-      assert_in_out_err(%w(--version --jit)) do |r, e|
-        assert_match(VERSION_PATTERN_WITH_JIT, r[0])
-        if RubyVM::MJIT.enabled?
-          assert_equal(RUBY_DESCRIPTION, r[0])
-        else
-          assert_equal(EnvUtil.invoke_ruby(['--jit', '-e', 'print RUBY_DESCRIPTION'], '', true).first, r[0])
+      [
+        %w(--version --jit),
+        %w(--version --enable=jit),
+        %w(--version --enable-jit),
+      ].each do |args|
+        assert_in_out_err(args) do |r, e|
+          assert_match(VERSION_PATTERN_WITH_JIT, r[0])
+          if RubyVM::MJIT.enabled?
+            assert_equal(RUBY_DESCRIPTION, r[0])
+          else
+            assert_equal(EnvUtil.invoke_ruby(['--jit', '-e', 'print RUBY_DESCRIPTION'], '', true).first, r[0])
+          end
+          assert_equal([], e)
         end
-        assert_equal([], e)
       end
     end
   end