diff options
Diffstat (limited to 'test/dtrace/test_method_cache.rb')
-rw-r--r-- | test/dtrace/test_method_cache.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/dtrace/test_method_cache.rb b/test/dtrace/test_method_cache.rb new file mode 100644 index 0000000000..d8ddf454f4 --- /dev/null +++ b/test/dtrace/test_method_cache.rb @@ -0,0 +1,28 @@ +require_relative 'helper' + +module DTrace + class TestMethodCacheClear < TestCase + def test_method_cache_clear + trap_probe(probe, <<-code) do |_,rbfile,lines| + class String; end + class String; def abc() end end + class Object; def abc() end end + code + assert_not_includes lines, "String #{rbfile} 1\n" + assert_includes lines, "String #{rbfile} 2\n" + assert_includes lines, "global #{rbfile} 3\n" + end + end + + private + def probe + <<-eoprobe +ruby$target:::method-cache-clear +/arg1/ +{ + printf("%s %s %d\\n", copyinstr(arg0), copyinstr(arg1), arg2); +} + eoprobe + end + end +end if defined?(DTrace::TestCase) |