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42 lines
1 KiB
Ruby
42 lines
1 KiB
Ruby
require_relative '../../spec_helper'
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describe "ARGF.skip" do
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before :each do
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@file1_name = fixture __FILE__, "file1.txt"
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@file2_name = fixture __FILE__, "file2.txt"
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@file2 = File.readlines @file2_name
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end
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it "skips the current file" do
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argf [@file1_name, @file2_name] do
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@argf.read(1)
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@argf.skip
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@argf.gets.should == @file2.first
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end
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end
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it "has no effect when called twice in a row" do
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argf [@file1_name, @file2_name] do
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@argf.read(1)
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@argf.skip
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@argf.skip
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@argf.gets.should == @file2.first
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end
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end
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it "has no effect at end of stream" do
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argf [@file1_name, @file2_name] do
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@argf.read
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@argf.skip
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@argf.gets.should == nil
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end
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end
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# This bypasses argf helper because the helper will call argf.file
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# which as a side-effect calls argf.file which will initialize
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# internals of ARGF enough for this to work.
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it "has no effect when nothing has been processed yet" do
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-> { ARGF.class.new(@file1_name).skip }.should_not raise_error
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end
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end
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