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36 lines
871 B
Ruby
36 lines
871 B
Ruby
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# -*- encoding: binary -*-
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../shared/extract_range', __FILE__)
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require 'strscan'
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describe "StringScanner#getch" do
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it "scans one character and returns it" do
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s = StringScanner.new('abc')
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s.getch.should == "a"
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s.getch.should == "b"
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s.getch.should == "c"
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end
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it "is multi-byte character sensitive" do
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# Japanese hiragana "A" in EUC-JP
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src = "\244\242".force_encoding("euc-jp")
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s = StringScanner.new(src)
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s.getch.should == src
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end
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it "returns nil at the end of the string" do
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# empty string case
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s = StringScanner.new('')
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s.getch.should == nil
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s.getch.should == nil
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# non-empty string case
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s = StringScanner.new('a')
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s.getch # skip one
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s.getch.should == nil
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end
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it_behaves_like :extract_range, :getch
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end
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