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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "IO#readchar" do
before :each do
@file_name = File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/readlines.txt'
@file = File.open(@file_name, 'r')
end
after :each do
@file.close unless @file.closed?
end
ruby_version_is "" ... "1.9" do
it "returns the next byte from the stream" do
@file.readchar.should == 86
@file.readchar.should == 111
@file.readchar.should == 105
# read the rest of line
@file.readline.should == "ci la ligne une.\n"
@file.readchar.should == 81
end
end
ruby_version_is "1.9" do
it "returns the next string from the stream" do
@file.readchar.should == 'V'
@file.readchar.should == 'o'
@file.readchar.should == 'i'
# read the rest of line
@file.readline.should == "ci la ligne une.\n"
@file.readchar.should == 'Q'
end
end
it "raises EOFError when invoked at the end of the stream" do
# read entire content
@file.read
lambda { @file.readchar }.should raise_error(EOFError)
end
it "raises EOFError when reaches the end of the stream" do
lambda { loop { @file.readchar } }.should raise_error(EOFError)
end
it "raises EOFError on empty stream" do
File.open(tmp('empty.txt'), "w+") { |empty|
lambda {
empty.readchar
}.should raise_error(EOFError)
}
File.unlink(tmp("empty.txt"))
end
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_file.readchar }.should raise_error(IOError)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems