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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "IO#readchar" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.close unless @io.closed?
end
it "returns the next string from the stream" do
@io.readchar.should == 'V'
@io.readchar.should == 'o'
@io.readchar.should == 'i'
# read the rest of line
@io.readline.should == "ci la ligne une.\n"
@io.readchar.should == 'Q'
end
it "raises an EOFError when invoked at the end of the stream" do
@io.read
lambda { @io.readchar }.should raise_error(EOFError)
end
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_io.readchar }.should raise_error(IOError)
end
end
describe "IO#readchar" do
before :each do
@io = IOSpecs.io_fixture "empty.txt"
end
after :each do
@io.close unless @io.closed?
end
it "raises EOFError on empty stream" do
lambda { @io.readchar }.should raise_error(EOFError)
end
end
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