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Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe IO, "#print" do
before :each do
@old_separator = $\
$\ = '->'
@name = tmp("io_print")
end
after :each do
$\ = @old_separator
rm_r @name
end
it "writes $_.to_s followed by $\\ (if any) to the stream if no arguments given" do
o = mock('o')
o.should_receive(:to_s).and_return("mockmockmock")
$_ = o
touch(@name) { |f| f.print }
IO.read(@name).should == "mockmockmock#{$\}"
# Set $_ to something known
#string = File.open(__FILE__) {|f| f.gets }
#touch(@name) { |f| f.print }
#IO.read(@name).should == "#{string}#{$\}"
end
it "calls obj.to_s and not obj.to_str then writes the record separator" do
o = mock('o')
o.should_not_receive(:to_str)
o.should_receive(:to_s).and_return("hello")
touch(@name) { |f| f.print(o) }
IO.read(@name).should == "hello#{$\}"
end
it "writes each obj.to_s to the stream and appends $\\ (if any) given multiple objects" do
o, o2 = Object.new, Object.new
def o.to_s(); 'o'; end
def o2.to_s(); 'o2'; end
touch(@name) { |f| f.print(o, o2) }
IO.read(@name).should == "#{o.to_s}#{o2.to_s}#{$\}"
end
if System.get_property('platform') != 'ANDROID'
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_io.print("stuff") }.should raise_error(IOError)
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems