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25 lines
606 B
Ruby
25 lines
606 B
Ruby
require_relative '../../spec_helper'
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describe "Random.urandom" do
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it "returns a String" do
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Random.urandom(1).should be_an_instance_of(String)
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end
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it "returns a String of the length given as argument" do
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Random.urandom(15).length.should == 15
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end
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it "raises an ArgumentError on a negative size" do
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-> {
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Random.urandom(-1)
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}.should raise_error(ArgumentError)
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end
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it "returns a binary String" do
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Random.urandom(15).encoding.should == Encoding::BINARY
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end
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it "returns a random binary String" do
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Random.urandom(12).should_not == Random.urandom(12)
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end
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end
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