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Removed useless implementation tests
This commit is contained in:
Nobuyoshi Nakada
parent
dc57136fd3
commit
bd8aa047fc
1 changed files with 14 additions and 113 deletions
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@ -198,110 +198,6 @@ class TestRand < Test::Unit::TestCase
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end
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end
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def test_random_state
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state = <<END
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2254080
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END
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state = state.split.join.to_i
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r = Random.new(0)
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srand(0)
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assert_equal(state, r.instance_eval { state })
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assert_equal(state, Random.instance_eval { state })
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r.rand(0x100)
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assert_equal(state, r.instance_eval { state })
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end
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def test_random_left
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r = Random.new(0)
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assert_equal(1, r.instance_eval { left })
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r.rand(0x100)
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assert_equal(624, r.instance_eval { left })
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r.rand(0x100)
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assert_equal(623, r.instance_eval { left })
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srand(0)
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assert_equal(1, Random.instance_eval { left })
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rand(0x100)
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assert_equal(624, Random.instance_eval { left })
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rand(0x100)
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assert_equal(623, Random.instance_eval { left })
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end
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def test_random_bytes
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srand(0)
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r = Random.new(0)
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@ -334,11 +230,15 @@ END
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def test_random_float
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r = Random.new(0)
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assert_in_delta(0.5488135039273248, r.rand, 0.0001)
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assert_in_delta(0.7151893663724195, r.rand, 0.0001)
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assert_in_delta(0.6027633760716439, r.rand, 0.0001)
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assert_in_delta(1.0897663659937937, r.rand(2.0), 0.0001)
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assert_in_delta(5.3704626067153264e+29, r.rand((2**100).to_f), 10**25)
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3.times do
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assert_include(0...1.0, r.rand)
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end
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[2.0, (2**100).to_f].each do |x|
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range = 0...x
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3.times do
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assert_include(range, r.rand(x), "rand(#{x})")
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end
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end
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assert_raise(Errno::EDOM, Errno::ERANGE) { r.rand(1.0 / 0.0) }
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assert_raise(Errno::EDOM, Errno::ERANGE) { r.rand(0.0 / 0.0) }
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@ -346,10 +246,11 @@ END
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assert_raise(Errno::EDOM) {r.rand(..1)}
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r = Random.new(0)
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assert_in_delta(1.5488135039273248, r.rand(1.0...2.0), 0.0001, '[ruby-core:24655]')
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assert_in_delta(1.7151893663724195, r.rand(1.0...2.0), 0.0001, '[ruby-core:24655]')
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assert_in_delta(7.027633760716439, r.rand(1.0...11.0), 0.0001, '[ruby-core:24655]')
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assert_in_delta(3.0897663659937937, r.rand(2.0...4.0), 0.0001, '[ruby-core:24655]')
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[1.0...2.0, 1.0...11.0, 2.0...4.0].each do |range|
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3.times do
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assert_include(range, r.rand(range), "[ruby-core:24655] rand(#{range})")
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end
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end
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assert_nothing_raised {r.rand(-Float::MAX..Float::MAX)}
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end
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