+
+# #573592 - debian policy 5.6.12
+1.0 1.0-0 0
+0.2 1.0-0 -1
+1.0 1.0-0+b1 -1
+1.0 1.0-0~ 1
+
+# if a version includes a dash
+# it should be the debrev dash - policy says so…
+0:0-0-0 0-0 1
+
+# do we like strange versions? Yes we like strange versions…
+0 0 0
+0 00 0
+
+# "steal" the testcases from cupt
+1.2.3 1.2.3 0 # identical
+4.4.3-2 4.4.3-2 0 # identical
+1:2ab:5 1:2ab:5 0 # this is correct...
+7:1-a:b-5 7:1-a:b-5 0 # and this
+57:1.2.3abYZ+~-4-5 57:1.2.3abYZ+~-4-5 0 # and those too
+1.2.3 0:1.2.3 0 # zero epoch
+1.2.3 1.2.3-0 0 # zero revision
+009 9 0 # zeroes...
+009ab5 9ab5 0 # there as well
+1.2.3 1.2.3-1 -1 # added non-zero revision
+1.2.3 1.2.4 -1 # just bigger
+1.2.4 1.2.3 1 # order doesn't matter
+1.2.24 1.2.3 1 # bigger, eh?
+0.10.0 0.8.7 1 # bigger, eh?
+3.2 2.3 1 # major number rocks
+1.3.2a 1.3.2 1 # letters rock
+0.5.0~git 0.5.0~git2 -1 # numbers rock
+2a 21 -1 # but not in all places
+1.3.2a 1.3.2b -1 # but there is another letter
+1:1.2.3 1.2.4 1 # epoch rocks
+1:1.2.3 1:1.2.4 -1 # bigger anyway
+1.2a+~bCd3 1.2a++ -1 # tilde doesn't rock
+1.2a+~bCd3 1.2a+~ 1 # but first is longer!
+5:2 304-2 1 # epoch rocks
+5:2 304:2 -1 # so big epoch?
+25:2 3:2 1 # 25 > 3, obviously
+1:2:123 1:12:3 -1 # 12 > 2
+1.2-5 1.2-3-5 -1 # 1.2 < 1.2-3
+5.10.0 5.005 1 # preceding zeroes don't matters
+3a9.8 3.10.2 -1 # letters are before all letter symbols
+3a9.8 3~10 1 # but after the tilde
+1.4+OOo3.0.0~ 1.4+OOo3.0.0-4 -1 # another tilde check
+2.4.7-1 2.4.7-z -1 # revision comparing
+1.002-1+b2 1.00 1 # whatever...