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1d15d5f080
* 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
44 lines
1.1 KiB
Ruby
44 lines
1.1 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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with_feature :encoding do
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describe "String#chr" do
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it "returns a copy of self" do
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s = 'e'
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s.object_id.should_not == s.chr.object_id
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end
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it "returns a String" do
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'glark'.chr.should be_an_instance_of(String)
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end
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it "returns an empty String if self is an empty String" do
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"".chr.should == ""
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end
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it "returns a 1-character String" do
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"glark".chr.size.should == 1
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end
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it "returns the character at the start of the String" do
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"Goodbye, world".chr.should == "G"
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end
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it "returns a String in the same encoding as self" do
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"\x24".encode(Encoding::US_ASCII).chr.encoding.should == Encoding::US_ASCII
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end
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it "understands multi-byte characters" do
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s = "\u{9879}"
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s.bytesize.should == 3
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s.chr.should == s
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end
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it "understands Strings that contain a mixture of character widths" do
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three = "\u{8082}"
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three.bytesize.should == 3
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four = "\u{77082}"
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four.bytesize.should == 4
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"#{three}#{four}".chr.should == three
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end
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end
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end
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