* bootstraptest/runner.rb: use safe navigation operator.

  [fix GH-1142] Patch by @mlarraz
* test/openssl/test_pair.rb: ditto.
* test/ruby/test_econv.rb: ditto.
* test/ruby/test_settracefunc.rb: ditto.
* test/thread/test_queue.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 3 insertions, 3 deletions

diff --git a/test/ruby/test_econv.rb b/test/ruby/test_econv.rb
index 073355f319..5690ec75f2 100644
--- a/test/ruby/test_econv.rb
+++ b/test/ruby/test_econv.rb
@@ -18,8 +18,8 @@ class TestEncodingConverter < Test::Unit::TestCase
 
   def assert_errinfo(e_res, e_enc1, e_enc2, e_error_bytes, e_readagain_bytes, ec)
     assert_equal([e_res, e_enc1, e_enc2,
-                  e_error_bytes && e_error_bytes.b,
-                  e_readagain_bytes && e_readagain_bytes.b],
+                  e_error_bytes&.b,
+                  e_readagain_bytes&.b],
                  ec.primitive_errinfo)
   end
 
diff --git a/test/ruby/test_settracefunc.rb b/test/ruby/test_settracefunc.rb
index ef5a0c0620..e5048adba1 100644
--- a/test/ruby/test_settracefunc.rb
+++ b/test/ruby/test_settracefunc.rb
@@ -464,7 +464,7 @@ class TestSetTraceFunc < Test::Unit::TestCase
     EOF
     self.class.class_eval{remove_const(:XYZZY)}
     ensure
-      trace.disable if trace && trace.enabled?
+      trace.disable if trace&.enabled?
     end
 
     answer_events = [