2e4e592c08
This patch fixes a bug in readwrite.c which truncated the 'from' field in nbd requests. It was casting them down from an off64_t to an int.
96 lines
2.0 KiB
Ruby
96 lines
2.0 KiB
Ruby
# encoding: utf-8
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require 'test/unit'
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require 'environment'
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class TestHappyPath < Test::Unit::TestCase
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def setup
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@env = Environment.new
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end
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def teardown
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@env.nbd1.can_die(0)
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@env.nbd2.can_die(0)
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@env.cleanup
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end
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def test_read1
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@env.writefile1("f"*64)
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@env.serve1
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[0, 12, 63].each do |num|
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assert_equal(
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@env.nbd1.read(num*@env.blocksize, @env.blocksize),
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@env.file1.read(num*@env.blocksize, @env.blocksize)
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)
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end
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[124, 1200, 10028, 25488].each do |num|
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assert_equal(@env.nbd1.read(num, 4), @env.file1.read(num, 4))
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end
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end
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# Check that we're not
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#
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def test_writeread1
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@env.writefile1("0"*64)
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@env.serve1
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[0, 12, 63].each do |num|
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data = "X"*@env.blocksize
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@env.nbd1.write(num*@env.blocksize, data)
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assert_equal(data, @env.file1.read(num*@env.blocksize, data.size))
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assert_equal(data, @env.nbd1.read(num*@env.blocksize, data.size))
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end
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end
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# Check that we're not overstepping or understepping where our writes end
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# up.
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#
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def test_writeread2
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@env.writefile1("0"*1024)
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@env.serve1
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d0 = "\0"*@env.blocksize
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d1 = "X"*@env.blocksize
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(0..63).each do |num|
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@env.nbd1.write(num*@env.blocksize*2, d1)
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end
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(0..63).each do |num|
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assert_equal(d0, @env.nbd1.read(((2*num)+1)*@env.blocksize, d0.size))
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end
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end
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def test_mirror
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@env.writefile1( "f"*4 )
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@env.serve1
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@env.writefile2( "0"*4 )
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@env.listen2
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@env.nbd1.can_die
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stdout, stderr = @env.mirror12
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@env.nbd1.join
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assert_equal(@env.file1.read_original( 0, @env.blocksize ),
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@env.file2.read( 0, @env.blocksize ) )
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assert @env.status2['has_control'], "destination didn't take control"
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end
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def test_write_to_high_block
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# Create a large file, then try to write to somewhere after the 2G boundary
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@env.truncate1 "4G"
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@env.serve1
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@env.nbd1.write( 2**31+2**29, "12345678" )
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sleep(1)
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assert_equal "12345678", @env.nbd1.read( 2**31+2**29, 8 )
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end
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end
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