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| | # -*- encoding: binary -*-
require 'test/unit'
require 'raindrops'
class TestRaindrops < Test::Unit::TestCase
def test_size
rd = Raindrops.new(4)
assert_equal 4, rd.size
end
def test_ary
rd = Raindrops.new(4)
assert_equal [0, 0, 0, 0] , rd.to_ary
end
def test_incr_no_args
rd = Raindrops.new(4)
assert_equal 1, rd.incr(0)
assert_equal [1, 0, 0, 0], rd.to_ary
end
def test_incr_args
rd = Raindrops.new(4)
assert_equal 6, rd.incr(3, 6)
assert_equal [0, 0, 0, 6], rd.to_ary
end
def test_decr_args
rd = Raindrops.new(4)
rd[3] = 6
assert_equal 5, rd.decr(3, 1)
assert_equal [0, 0, 0, 5], rd.to_ary
end
def test_incr_shared
rd = Raindrops.new(2)
5.times do
pid = fork { rd.incr(1) }
_, status = Process.waitpid2(pid)
assert status.success?
end
assert_equal [0, 5], rd.to_ary
end
def test_incr_decr
rd = Raindrops.new(1)
fork { 1000000.times { rd.incr(0) } }
1000.times { rd.decr(0) }
statuses = Process.waitall
statuses.each { |pid, status| assert status.success? }
assert_equal [999000], rd.to_ary
end
def test_bad_incr
rd = Raindrops.new(1)
assert_raises(ArgumentError) { rd.incr(-1) }
assert_raises(ArgumentError) { rd.incr(2) }
assert_raises(ArgumentError) { rd.incr(0xffffffff) }
end
def test_dup
@rd = Raindrops.new(1)
rd = @rd.dup
assert_equal 1, @rd.incr(0)
assert_equal 1, rd.incr(0)
assert_equal 2, rd.incr(0)
assert_equal 2, rd[0]
assert_equal 1, @rd[0]
end
def test_clone
@rd = Raindrops.new(1)
rd = @rd.clone
assert_equal 1, @rd.incr(0)
assert_equal 1, rd.incr(0)
assert_equal 2, rd.incr(0)
assert_equal 2, rd[0]
assert_equal 1, @rd[0]
end
def test_big
expect = 256.times.map { 0 }
rd = Raindrops.new(256)
assert_equal expect, rd.to_ary
assert_nothing_raised { rd[255] = 5 }
assert_equal 5, rd[255]
assert_nothing_raised { rd[2] = 2 }
expect[255] = 5
expect[2] = 2
assert_equal expect, rd.to_ary
end
end
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