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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
47 lines
1.3 KiB
Ruby
47 lines
1.3 KiB
Ruby
describe :strscan_peek, shared: true do
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before :each do
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@s = StringScanner.new('This is a test')
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end
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it "returns at most the specified number of bytes from the current position" do
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@s.send(@method, 4).should == "This"
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@s.pos.should == 0
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@s.pos = 5
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@s.send(@method, 2).should == "is"
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@s.send(@method, 1000).should == "is a test"
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s = StringScanner.new("été")
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s.send(@method, 2).should == "é"
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end
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it "returns an empty string when the passed argument is zero" do
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@s.send(@method, 0).should == ""
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end
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it "raises a ArgumentError when the passed argument is negative" do
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lambda { @s.send(@method, -2) }.should raise_error(ArgumentError)
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end
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it "raises a RangeError when the passed argument is a Bignum" do
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lambda { @s.send(@method, bignum_value) }.should raise_error(RangeError)
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end
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it "returns an instance of String when passed a String subclass" do
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cls = Class.new(String)
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sub = cls.new("abc")
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s = StringScanner.new(sub)
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ch = s.send(@method, 1)
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ch.should_not be_kind_of(cls)
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ch.should be_an_instance_of(String)
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end
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it "taints the returned String if the input was tainted" do
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str = 'abc'
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str.taint
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s = StringScanner.new(str)
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s.send(@method, 1).tainted?.should be_true
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end
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end
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