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-rw-r--r--test/test_prime.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/test/test_prime.rb b/test/test_prime.rb
index e89952948c..885406f9bd 100644
--- a/test/test_prime.rb
+++ b/test/test_prime.rb
@@ -141,8 +141,8 @@ class TestPrime < Test::Unit::TestCase
# negative
assert !-1.prime?
- assert(-2.prime?)
- assert(-3.prime?)
+ assert !-2.prime?
+ assert !-3.prime?
assert !-4.prime?
end
end