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require_relative '../../spec_helper'
require 'strscan'
version_is StringScanner::Version, "3.1.1" do # ruby_version_is "3.4"
describe "StringScanner#peek_byte" do
it "returns a byte at the current position as an Integer" do
s = StringScanner.new('This is a test')
s.peek_byte.should == 84
end
it "returns nil at the end of the string" do
s = StringScanner.new('a')
s.getch # skip one
s.pos.should == 1
s.peek_byte.should == nil
end
it "is not multi-byte character sensitive" do
s = StringScanner.new("∂") # "∂".bytes => [226, 136, 130]
s.peek_byte.should == 226
s.pos = 1
s.peek_byte.should == 136
s.pos = 2
s.peek_byte.should == 130
end
it "doesn't change current position" do
s = StringScanner.new('This is a test')
s.pos.should == 0
s.peek_byte.should == 84
s.pos.should == 0
end
end
end
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