diff options
Diffstat (limited to 'trunk/test/ruby/test_rand.rb')
-rw-r--r-- | trunk/test/ruby/test_rand.rb | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/trunk/test/ruby/test_rand.rb b/trunk/test/ruby/test_rand.rb deleted file mode 100644 index b7d841dbba..0000000000 --- a/trunk/test/ruby/test_rand.rb +++ /dev/null @@ -1,167 +0,0 @@ -require 'test/unit' - -class TestRand < Test::Unit::TestCase - def test_mt - srand(0x00000456_00000345_00000234_00000123) - %w(1067595299 955945823 477289528 4107218783 4228976476).each {|w| - assert_equal(w.to_i, rand(0x100000000)) - } - end - - def test_0x3fffffff - srand(0) - %w(209652396 398764591 924231285 404868288 441365315).each {|w| - assert_equal(w.to_i, rand(0x3fffffff)) - } - end - - def test_0x40000000 - srand(0) - %w(209652396 398764591 924231285 404868288 441365315).each {|w| - assert_equal(w.to_i, rand(0x40000000)) - } - end - - def test_0x40000001 - srand(0) - %w(209652396 398764591 924231285 441365315 192771779).each {|w| - assert_equal(w.to_i, rand(0x40000001)) - } - end - - def test_0xffffffff - srand(0) - %w(2357136044 2546248239 3071714933 3626093760 2588848963).each {|w| - assert_equal(w.to_i, rand(0xffffffff)) - } - end - - def test_0x100000000 - srand(0) - %w(2357136044 2546248239 3071714933 3626093760 2588848963).each {|w| - assert_equal(w.to_i, rand(0x100000000)) - } - end - - def test_0x100000001 - srand(0) - %w(2546248239 1277901399 243580376 1171049868 2051556033).each {|w| - assert_equal(w.to_i, rand(0x100000001)) - } - end - - def test_rand_0x100000000 - srand(311702798) - %w(4119812344 3870378946 80324654 4294967296 410016213).each {|w| - assert_equal(w.to_i, rand(0x100000001)) - } - end - - def test_0x1000000000000 - srand(0) - %w(11736396900911 - 183025067478208 - 197104029029115 - 130583529618791 - 180361239846611).each {|w| - assert_equal(w.to_i, rand(0x1000000000000)) - } - end - - def test_0x1000000000001 - srand(0) - %w(187121911899765 - 197104029029115 - 180361239846611 - 236336749852452 - 208739549485656).each {|w| - assert_equal(w.to_i, rand(0x1000000000001)) - } - end - - def test_0x3fffffffffffffff - srand(0) - %w(900450186894289455 - 3969543146641149120 - 1895649597198586619 - 827948490035658087 - 3203365596207111891).each {|w| - assert_equal(w.to_i, rand(0x3fffffffffffffff)) - } - end - - def test_0x4000000000000000 - srand(0) - %w(900450186894289455 - 3969543146641149120 - 1895649597198586619 - 827948490035658087 - 3203365596207111891).each {|w| - assert_equal(w.to_i, rand(0x4000000000000000)) - } - end - - def test_0x4000000000000001 - srand(0) - %w(900450186894289455 - 3969543146641149120 - 1895649597198586619 - 827948490035658087 - 2279347887019741461).each {|w| - assert_equal(w.to_i, rand(0x4000000000000001)) - } - end - - def test_neg_0x10000000000 - ws = %w(455570294424 1073054410371 790795084744 2445173525 1088503892627) - srand(3) - ws.each {|w| assert_equal(w.to_i, rand(0x10000000000)) } - srand(3) - ws.each {|w| assert_equal(w.to_i, rand(-0x10000000000)) } - end - - def test_neg_0x10000 - ws = %w(2732 43567 42613 52416 45891) - srand(0) - ws.each {|w| assert_equal(w.to_i, rand(0x10000)) } - srand(0) - ws.each {|w| assert_equal(w.to_i, rand(-0x10000)) } - end - - def test_types - srand(0) - assert_equal(44, rand(100.0)) - assert_equal(1245085576965981900420779258691, rand((2**100).to_f)) - assert_equal(914679880601515615685077935113, rand(-(2**100).to_f)) - - srand(0) - assert_equal(997707939797331598305742933184, rand(2**100)) - assert_in_delta(0.602763376071644, rand((2**100).coerce(0).first), - 0.000000000000001) - - srand(0) - assert_in_delta(0.548813503927325, rand(nil), - 0.000000000000001) - srand(0) - o = Object.new - def o.to_i; 100; end - assert_equal(44, rand(o)) - assert_equal(47, rand(o)) - assert_equal(64, rand(o)) - end - - def test_srand - srand - assert_kind_of(Integer, rand(2)) - - srand(2**100) - %w(3258412053).each {|w| - assert_equal(w.to_i, rand(0x100000000)) - } - end - - def test_shuffle - srand(0) - assert_equal([1,4,2,5,3], [1,2,3,4,5].shuffle) - end -end |