Sha256: 8411b23c7311138fa520849286ad86276749cdddc7862bbc37ec3576099ce9ff
Contents?: true
Size: 1.45 KB
Versions: 6
Compression:
Stored size: 1.45 KB
Contents
# coding: utf-8
describe Integer, "#persistent?" do
@seq = {
# A051264
1 => [1023456798,1023456897,1023456978,1023456987,
1023457698,1023457896,1023457968,1023457986,
1023458697,1023458796,1023458967,1023458976,
1023459678,1023459687,1023459768,1023459786,
1023459867,1023459876],
# A051018
2 => [1023456789,1023456879,1023457689,1023457869,
1023458679,1023458769,1023465789,1023465879,
1023467589,1023467859,1023468579,1023468759,
1023475689,1023475869,1023476589,1023476859,
1023478569,1023478659],
# A051019
3 => [1052674893,1052687493,1052746893,1052748693,
1052867493,1052874693,1053267489,1053268749,
1053274869,1053286749,1053287469,1065273489,
1065287349,1067285493,1067328549,1068547293,
1068547329,1068549273],
# A051020
4 => [1253094867,1267085493,1268547309,1269085473,
1273085469,1308547269,1308549267,1326854907,
1327068549,1328746905,1450687329,1450732869,
1450867293,1450928673,1452687309,1452690873,
1452730869,1453087269],
}
@seq.each do |n,ks|
ks.each do |k|
it "returns true for #{n}-persistent number #{k}" do
k.should be_persistent(n)
end
end
ks.to_seq.invert.sample(20).each do |k|
it "returns false for non-#{n}-persistent number #{k}" do
k.should_not be_persistent(n)
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems