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-rw-r--r--test/-ext-/symbol/test_inadvertent_creation.rb62
1 files changed, 62 insertions, 0 deletions
diff --git a/test/-ext-/symbol/test_inadvertent_creation.rb b/test/-ext-/symbol/test_inadvertent_creation.rb
index b180d08..fdd1e25 100644
--- a/test/-ext-/symbol/test_inadvertent_creation.rb
+++ b/test/-ext-/symbol/test_inadvertent_creation.rb
@@ -358,5 +358,67 @@ module Test_Symbol
}
assert_not_pinneddown(name)
end
+
+ def assert_no_immortal_symbol_created(name)
+ name = noninterned_name(name)
+ yield(name)
+ assert_not_pinneddown(name)
+ end
+
+ def test_send_leak_string
+ assert_no_immortal_symbol_created("send should not leak - str") do |name|
+ assert_raise(NoMethodError) {42.send(name)}
+ end
+ end
+
+ def test_send_leak_symbol
+ assert_no_immortal_symbol_created("send should not leak - sym") do |name|
+ assert_raise(NoMethodError) {42.send(name.to_sym)}
+ end
+ end
+
+ def test_send_leak_string_custom_method_missing
+ x = Object.new
+ def x.method_missing(*); end
+ assert_no_immortal_symbol_created("send should not leak - str mm") do |name|
+ assert_nothing_raised(NoMethodError) {x.send(name)}
+ end
+ end if false
+
+ def test_send_leak_symbol_custom_method_missing
+ x = Object.new
+ def x.method_missing(*); end
+ assert_no_immortal_symbol_created("send should not leak - sym mm") do |name|
+ assert_nothing_raised(NoMethodError) {x.send(name.to_sym)}
+ end
+ end if false
+
+ def test_send_leak_string_no_optimization
+ assert_no_immortal_symbol_created("send should not leak - str slow") do |name|
+ assert_raise(NoMethodError) {42.method(:send).call(name)}
+ end
+ end
+
+ def test_send_leak_symbol_no_optimization
+ assert_no_immortal_symbol_created("send should not leak - sym slow") do |name|
+ assert_raise(NoMethodError) {42.method(:send).call(name.to_sym)}
+ end
+ end
+
+ def test_send_leak_string_custom_method_missing_no_optimization
+ x = Object.new
+ def x.method_missing(*); end
+ assert_no_immortal_symbol_created("send should not leak - str mm slow") do |name|
+ assert_nothing_raised(NoMethodError) {x.method(:send).call(name)}
+ end
+ end
+
+ def test_send_leak_symbol_custom_method_missing_no_optimization
+ x = Object.new
+ def x.method_missing(*); end
+ assert_no_immortal_symbol_created("send should not leak - sym mm slow") do |name|
+ assert_nothing_raised(NoMethodError) {x.method(:send).call(name.to_sym)}
+ end
+ end
end
end