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-rw-r--r--test/ruby/test_gc.rb4
1 files changed, 1 insertions, 3 deletions
diff --git a/test/ruby/test_gc.rb b/test/ruby/test_gc.rb
index 1eb5451b3f..72fab5c43c 100644
--- a/test/ruby/test_gc.rb
+++ b/test/ruby/test_gc.rb
@@ -127,9 +127,7 @@ class TestGc < Test::Unit::TestCase
def test_gc_config_implementation_is_readonly
omit unless /darwin|linux/.match(RUBY_PLATFORM)
- impl = GC.config[:implementation]
- GC.config(implementation: "somethingelse")
- assert_equal(impl, GC.config[:implementation])
+ assert_raise(ArgumentError) { GC.config(implementation: "somethingelse") }
end
def test_start_full_mark