44 lines
817 B
Ruby
44 lines
817 B
Ruby
require "test_helper"
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class FileSysSeek < Test::Unit::TestCase
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def setup
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FakeFS.activate!
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FakeFS::FileSystem.clear
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end
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def teardown
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FakeFS.deactivate!
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end
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def test_should_seek_to_position
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file = File.open("foo", "w") do |f|
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f << "0123456789"
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end
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File.open("foo", "r") do |f|
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f.sysseek(3)
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assert_equal 3, f.pos
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f.sysseek(0)
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assert_equal 0, f.pos
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end
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end
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def test_seek_returns_offset_into_file
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File.open("foo", "w") do |f|
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# 66 chars long
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str = "0123456789" +
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"0123456789" +
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"0123456789" +
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"0123456789" +
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"0123456789" +
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"0123456789" +
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"012345"
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f << str
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end
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f = File.open("foo")
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assert_equal 53, f.sysseek(-13, IO::SEEK_END)
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end
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end |