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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/random/new_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
downloadruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.tar.gz
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/random/new_spec.rb')
-rw-r--r--spec/ruby/core/random/new_spec.rb37
1 files changed, 37 insertions, 0 deletions
diff --git a/spec/ruby/core/random/new_spec.rb b/spec/ruby/core/random/new_spec.rb
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+++ b/spec/ruby/core/random/new_spec.rb
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+describe "Random.new" do
+ it "returns a new instance of Random" do
+ Random.new.should be_an_instance_of(Random)
+ end
+
+ it "uses a random seed value if none is supplied" do
+ Random.new.seed.should be_an_instance_of(Bignum)
+ end
+
+ it "returns Random instances initialized with different seeds" do
+ first = Random.new
+ second = Random.new
+ (0..20).map { first.rand } .should_not == (0..20).map { second.rand }
+ end
+
+ it "accepts an Integer seed value as an argument" do
+ Random.new(2).seed.should == 2
+ end
+
+ it "accepts (and truncates) a Float seed value as an argument" do
+ Random.new(3.4).seed.should == 3
+ end
+
+ it "accepts (and converts to Integer) a Rational seed value as an argument" do
+ Random.new(Rational(20,2)).seed.should == 10
+ end
+
+ it "accepts (and converts to Integer) a Complex (without imaginary part) seed value as an argument" do
+ Random.new(Complex(20)).seed.should == 20
+ end
+
+ it "raises a RangeError if passed a Complex (with imaginary part) seed value as an argument" do
+ lambda do
+ Random.new(Complex(20,2))
+ end.should raise_error(RangeError)
+ end
+end