diff options
Diffstat (limited to 'spec/ruby/core/fixnum/to_s_spec.rb')
-rw-r--r-- | spec/ruby/core/fixnum/to_s_spec.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/spec/ruby/core/fixnum/to_s_spec.rb b/spec/ruby/core/fixnum/to_s_spec.rb new file mode 100644 index 0000000000..4a6649237b --- /dev/null +++ b/spec/ruby/core/fixnum/to_s_spec.rb @@ -0,0 +1,50 @@ +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 |