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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes.rb'
describe "String#each_byte" do
it "passes each byte in self to the given block" do
a = []
"hello\x00".each_byte { |c| a << c }
a.should == [104, 101, 108, 108, 111, 0]
end
it "keeps iterating from the old position (to new string end) when self changes" do
r = ""
s = "hello world"
s.each_byte do |c|
r << c
s.insert(0, "<>") if r.size < 3
end
r.should == "h><>hello world"
r = ""
s = "hello world"
s.each_byte { |c| s.slice!(-1); r << c }
r.should == "hello "
r = ""
s = "hello world"
s.each_byte { |c| s.slice!(0); r << c }
r.should == "hlowrd"
r = ""
s = "hello world"
s.each_byte { |c| s.slice!(0..-1); r << c }
r.should == "h"
end
it "returns self" do
s = "hello"
(s.each_byte {}).should equal(s)
end
ruby_version_is "1.8.7" do
it "returns an enumerator when no block given" do
enum = "hello".each_byte
enum.should be_kind_of(enumerator_class)
enum.to_a.should == [104, 101, 108, 108, 111]
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems