diff options
Diffstat (limited to 'spec/ruby/core/random/seed_spec.rb')
-rw-r--r-- | spec/ruby/core/random/seed_spec.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/spec/ruby/core/random/seed_spec.rb b/spec/ruby/core/random/seed_spec.rb new file mode 100644 index 0000000000..5acb068efe --- /dev/null +++ b/spec/ruby/core/random/seed_spec.rb @@ -0,0 +1,29 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Random#seed" do + it "returns an Integer" do + Random.new.seed.should be_kind_of(Integer) + end + + it "returns an arbitrary seed if the constructor was called without arguments" do + Random.new.seed.should_not == Random.new.seed + end + + it "returns the same generated seed when repeatedly called on the same object" do + prng = Random.new + prng.seed.should == prng.seed + end + + it "returns the seed given in the constructor" do + prng = Random.new(36788) + prng.seed.should == prng.seed + prng.seed.should == 36788 + end + + it "returns the given seed coerced with #to_int" do + obj = mock_numeric('int') + obj.should_receive(:to_int).and_return(34) + prng = Random.new(obj) + prng.seed.should == 34 + end +end |