diff options
Diffstat (limited to 'spec/ruby/library/prime/integer/prime_spec.rb')
| -rw-r--r-- | spec/ruby/library/prime/integer/prime_spec.rb | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/spec/ruby/library/prime/integer/prime_spec.rb b/spec/ruby/library/prime/integer/prime_spec.rb index 53de76d5ab..65b779e319 100644 --- a/spec/ruby/library/prime/integer/prime_spec.rb +++ b/spec/ruby/library/prime/integer/prime_spec.rb @@ -1,17 +1,20 @@ require_relative '../../../spec_helper' -require 'prime' -describe "Integer#prime?" do - it "returns a true value for prime numbers" do - 2.prime?.should be_true - 3.prime?.should be_true - (2**31-1).prime?.should be_true # 8th Mersenne prime (M8) - end +ruby_version_is ""..."3.1" do + require 'prime' + + describe "Integer#prime?" do + it "returns a true value for prime numbers" do + 2.prime?.should be_true + 3.prime?.should be_true + (2**31-1).prime?.should be_true # 8th Mersenne prime (M8) + end - it "returns a false value for composite numbers" do - 4.prime?.should be_false - 15.prime?.should be_false - (2**32-1).prime?.should be_false - ( (2**17-1)*(2**19-1) ).prime?.should be_false # M6*M7 + it "returns a false value for composite numbers" do + 4.prime?.should be_false + 15.prime?.should be_false + (2**32-1).prime?.should be_false + ( (2**17-1)*(2**19-1) ).prime?.should be_false # M6*M7 + end end end |