git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
eregon 2017-06-29 14:35:37 +00:00
parent 6a4aa4838c
commit 5b593e3889
79 changed files with 1555 additions and 304 deletions

View file

@ -12,6 +12,16 @@ describe "SecureRandom.random_number" do
end
end
it "generates a random (potentially bignum) integer value for bignum argument" do
max = 12345678901234567890
11.times do
num = SecureRandom.random_number max
num.should be_kind_of(Integer)
(0 <= num).should == true
(num < max).should == true
end
end
it "generates a random float number between 0.0 and 1.0 if no argument provided" do
64.times do
num = SecureRandom.random_number
@ -21,6 +31,37 @@ describe "SecureRandom.random_number" do
end
end
ruby_version_is "2.3" do
it "generates a random value in given (integer) range limits" do
64.times do
num = SecureRandom.random_number 11...13
num.should be_kind_of(Integer)
(11 <= num).should == true
(num < 13).should == true
end
end
it "generates a random value in given big (integer) range limits" do
lower = 12345678901234567890
upper = 12345678901234567890 + 5
32.times do
num = SecureRandom.random_number lower..upper
num.should be_kind_of(Integer)
(lower <= num).should == true
(num <= upper).should == true
end
end
it "generates a random value in given (float) range limits" do
64.times do
num = SecureRandom.random_number 0.6..0.9
num.should be_kind_of(Float)
(0.6 <= num).should == true
(num <= 0.9).should == true
end
end
end
it "generates a random float number between 0.0 and 1.0 if argument is negative" do
num = SecureRandom.random_number(-10)
num.should be_kind_of(Float)
@ -28,6 +69,13 @@ describe "SecureRandom.random_number" do
(num < 1.0).should == true
end
it "generates a random float number between 0.0 and 1.0 if argument is negative float" do
num = SecureRandom.random_number(-11.1)
num.should be_kind_of(Float)
(0.0 <= num).should == true
(num < 1.0).should == true
end
it "generates different float numbers with subsequent invocations" do
# quick and dirty check, but good enough
values = []