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require File.expand_path('../../../spec_helper', __FILE__)
describe "ARGF.skip" do
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@file2 = File.readlines @file2_name
end
after :each do
ARGF.close unless ARGF.closed?
end
it "skips the current file" do
argv [@file1_name, @file2_name] do
ARGF.read(1)
ARGF.skip
ARGF.gets.should == @file2.first
end
end
it "has no effect when called twice in a row" do
argv [@file1_name, @file2_name] do
ARGF.read(1)
ARGF.skip
ARGF.skip
ARGF.gets.should == @file2.first
end
end
it "has no effect at end of stream" do
argv [@file1_name, @file2_name] do
ARGF.read
ARGF.skip
ARGF.gets.should == nil
end
end
# This is similar to the test above, but it uncovered one of the regressions
# documented in bug #1633. This has been fixed on 1.9 HEAD
it "has no effect when the current file is the last" do
argv [@file1_name] do
lambda { ARGF.skip }.should_not raise_error
end
end
end
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