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# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "IO#getc" do
before :each do
@kcode, $KCODE = $KCODE, "utf-8"
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.close unless @io.closed?
$KCODE = @kcode
end
ruby_version_is ''...'1.9' do
it "returns the next byte from the stream" do
@io.readline.should == "Voici la ligne une.\n"
bytes = @io.getc, @io.getc, @io.getc, @io.getc, @io.getc
bytes.should == [81, 117, 105, 32, 195]
end
end
ruby_version_is '1.9' do
it "returns the next character from the stream" do
@io.readline.should == "Voici la ligne une.\n"
letters = @io.getc, @io.getc, @io.getc, @io.getc, @io.getc
letters.should == ["Q", "u", "i", " ", "รจ"]
end
end
it "returns nil when invoked at the end of the stream" do
@io.read
@io.getc.should be_nil
end
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_io.getc }.should raise_error(IOError)
end
end
describe "IO#getc" do
before :each do
@io = IOSpecs.io_fixture "empty.txt"
end
after :each do
@io.close unless @io.closed?
end
it "returns nil on empty stream" do
@io.getc.should be_nil
end
end
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