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require File.expand_path('../../../spec_helper', __FILE__)
describe "Fixnum#to_s when given a base" do
it "returns self converted to a String in the given base" do
12345.to_s(2).should == "11000000111001"
12345.to_s(8).should == "30071"
12345.to_s(10).should == "12345"
12345.to_s(16).should == "3039"
95.to_s(16).should == "5f"
12345.to_s(36).should == "9ix"
end
it "raises an ArgumentError if the base is less than 2 or higher than 36" do
lambda { 123.to_s(-1) }.should raise_error(ArgumentError)
lambda { 123.to_s(0) }.should raise_error(ArgumentError)
lambda { 123.to_s(1) }.should raise_error(ArgumentError)
lambda { 123.to_s(37) }.should raise_error(ArgumentError)
end
end
describe "Fixnum#to_s when no base given" do
it "returns self converted to a String using base 10" do
255.to_s.should == '255'
3.to_s.should == '3'
0.to_s.should == '0'
-9002.to_s.should == '-9002'
end
end
with_feature :encoding do
describe "Fixnum#to_s" do
before :each do
@internal = Encoding.default_internal
end
after :each do
Encoding.default_internal = @internal
end
it "returns a String in US-ASCII encoding when Encoding.default_internal is nil" do
Encoding.default_internal = nil
1.to_s.encoding.should equal(Encoding::US_ASCII)
end
it "returns a String in US-ASCII encoding when Encoding.default_internal is not nil" do
Encoding.default_internal = Encoding::IBM437
1.to_s.encoding.should equal(Encoding::US_ASCII)
end
end
end
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