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ruby--ruby/spec/ruby/core/io/printf_spec.rb
eregon 1d15d5f080 Move spec/rubyspec to spec/ruby for consistency
* 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
2017-09-20 20:18:52 +00:00

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Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "IO#printf" do
before :each do
@name = tmp("io_printf.txt")
@io = new_io @name
@io.sync = true
end
after :each do
@io.close if @io
rm_r @name
end
it "calls #to_str to convert the format object to a String" do
obj = mock("printf format")
obj.should_receive(:to_str).and_return("%s")
@io.printf obj, "printf"
File.read(@name).should == "printf"
end
it "writes the #sprintf formatted string" do
@io.printf "%d %s", 5, "cookies"
File.read(@name).should == "5 cookies"
end
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_io.printf("stuff") }.should raise_error(IOError)
end
end