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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-10-22 06:30:12 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-10-22 06:30:12 +0000 |
commit | a356fe1c3550892902103f66928426ac8279e072 (patch) | |
tree | bee931e36267315487d45d5776ae8f4a568feddf /test | |
parent | 5a599dde0c43b62ff32c8a0c36a05a758a309818 (diff) | |
download | ruby-a356fe1c3550892902103f66928426ac8279e072.tar.gz |
Safe navigation operator
* compile.c (iseq_peephole_optimize): peephole optimization for
branchnil jumps.
* compile.c (iseq_compile_each): generate save navigation operator
code.
* insns.def (branchnil): new opcode to pop the tos and branch if
it is nil.
* parse.y (NEW_QCALL, call_op, parser_yylex): parse token '.?'.
[Feature #11537]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52214 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_call.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/ruby/test_call.rb b/test/ruby/test_call.rb index 5b81eb187a..14b6a6431b 100644 --- a/test/ruby/test_call.rb +++ b/test/ruby/test_call.rb @@ -31,4 +31,16 @@ class TestCall < Test::Unit::TestCase assert_nothing_raised(ArgumentError) {o.foo} assert_raise_with_message(ArgumentError, e.message, bug9622) {o.foo(100)} end + + def test_safe_call + s = Struct.new(:x, :y) + o = s.new("x") + assert_equal("X", o.x.?upcase) + assert_nil(o.y.?upcase) + assert_equal("x", o.x) + o.?x = 6 + assert_equal(6, o.x) + o.?x *= 7 + assert_equal(42, o.x) + end end |