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Versions: 55
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Contents
describe :strscan_peek, :shared => true do
before :each do
@s = StringScanner.new('This is a test')
end
it "returns at most the specified number of characters from the current position" do
@s.send(@method, 4).should == "This"
@s.pos.should == 0
@s.pos = 5
@s.send(@method, 2).should == "is"
@s.send(@method, 1000).should == "is a test"
end
it "returns an empty string when the passed argument is zero" do
@s.send(@method, 0).should == ""
end
it "raises a ArgumentError when the passed argument is negative" do
lambda { @s.send(@method, -2) }.should raise_error(ArgumentError)
end
it "raises a RangeError when the passed argument is a Bignum" do
lambda { @s.send(@method, bignum_value) }.should raise_error(RangeError)
end
it "returns an instance of String when passed a String subclass" do
cls = Class.new(String)
sub = cls.new("abc")
s = StringScanner.new(sub)
ch = s.send(@method, 1)
ch.should_not be_kind_of(cls)
ch.should be_an_instance_of(String)
end
it "taints the returned String if the input was tainted" do
str = 'abc'
str.taint
s = StringScanner.new(str)
s.send(@method, 1).tainted?.should be_true
end
end
Version data entries
55 entries across 55 versions & 3 rubygems