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#SRC: JCON
# test sorting and copying
procedure main(args)
listtest()
rectest()
tbltest()
copytest()
messtest()
end
# listtest() -- test sorting of lists and sets
procedure listtest()
local n, x, S, L1, L2, L3
every n := (0 to 10) | 23 | 47 | 91 do {
write(n, ":")
S := set()
while *S < n do
insert(S, randval())
L1 := list()
every put (L1, !S)
L2 := sort(L1)
L3 := sort(set(L1))
check(L2, L3)
L2 := sort(copy(L1))
L3 := sort(copy(set(L1)))
check(L2, L3)
}
end
# rectest() -- test sorting of records
record r0()
record r1(a)
record r2(a,b)
record r5(a,b,c,d,e)
procedure rectest()
write()
wlist(sort(r0()))
wlist(sort(copy(r0()),))
wlist(sort(r1(12)))
wlist(sort(r2(5,2)))
wlist(sort(r5(2,7,1,8,3)))
wlist(sort(r5(3,1,4,1,6)))
wlist(sort(r5("t","e","p","a","d")))
wlist(sort(copy(r5("t","e","p","a","d"))))
return
end
# tbltest() -- test sorting of tables
procedure tbltest()
local T, L
T := table()
T[7] := "h"
T[2] := "a"
T[8] := "r"
T[0] := "e"
T[3] := "o"
T[6] := "s"
T[5] := "n"
T[1] := "t"
T[4] := "i"
T[9] := "d"
write()
L := sort(T); every writes(" ", *L | !!L | "\n")
L := sort(T, 1); every writes(" ", *L | !!L | "\n")
L := sort(T, 2); every writes(" ", *L | !!L | "\n")
L := sort(T, 3); every writes(" ", *L | !L | "\n")
L := sort(T, 4); every writes(" ", *L | !L | "\n")
T := copy(T)
L := sort(T); every writes(" ", *L | !!L | "\n")
L := sort(T, 1); every writes(" ", *L | !!L | "\n")
L := sort(T, 2); every writes(" ", *L | !!L | "\n")
L := sort(T, 3); every writes(" ", *L | !L | "\n")
L := sort(T, 4); every writes(" ", *L | !L | "\n")
return
end
# randval() -- return random integer, real, string, or cset value
procedure randval()
return case ?4 of {
1: ?999 # 000 - 999
2: ?99 / 10.0 # 0.0 - 9.9
3: ?&letters || ?&letters || ?&letters # "AAA" - "ZZZ"
4: ?&digits ++ ?&letters ++ ?&letters # '0AA' - '9ZZ'
}
end
# check that two lists have identical components
# and that they are in ascending order
procedure check(a, b)
local i, ai, ai1, bi, d
if *a ~= *b then
stop("different sizes: ", image(a), " / ", image(b))
every i := 1 to *a do {
ai := a[i]
bi := b[i]
ai1 := a[i-1] | &null
if ai ~=== bi then
stop("element ", i, " differs")
if type(ai) === type(ai1) then {
case type(ai) of {
"integer": d := (ai1 > ai) | &null
"real": d := (ai1 > ai) | &null
"string": d := (ai1 >> ai) | &null
}
stop("element ", i, " out of order: ", image(\d))
}
}
return
end
# write list
procedure wlist(L)
writes(*L, ":")
every writes(right(!L, 4) | "\n")
return
end
# test copy(), especially that copies are really distinct
procedure copytest()
local L1, L2, S1, S2, T1, T2, R1, R2
write()
L1 := [1,2,3]
push(L1, L1)
L2 := copy(L1)
pull(L2)
put(L2, 4)
every writes(" ", "L1:" | image(!L1) | "\n")
every writes(" ", "L2:" | image(!L2) | "\n")
S1 := set([1,2,3])
insert(S1, S1)
S2 := copy(S1)
delete(S2, 2)
insert(S2, 5)
every writes(" ", "S1:" | image(!sort(S1)) | "\n")
every writes(" ", "S2:" | image(!sort(S2)) | "\n")
T1 := table()
T1[2] := "j"
T1[5] := "c"
T1[8] := "n"
T1[15] := T1
T2 := copy(T1)
delete(T2, 5)
insert(T2, 11, "t")
every writes(" ", "T1:" | image(!sort(T1,3)) | "\n")
every writes(" ", "T2:" | image(!sort(T2,3)) | "\n")
R1 := r5(1,3,5,7,9)
R2 := copy(R1)
R1.b := 4
R2.d := 6
every writes(" ", "R1:" | image(R1) | image(!sort(R1)) | "\n")
every writes(" ", "R2:" | image(R2) | image(!sort(R2)) | "\n")
return
end
# sort different types together
procedure messtest()
local L1, L2, L3
write()
L1 := [
'', '0cs', 4.4, set(), 2.2, "a", &null, integer, wlist, "epsilons",
r0, "delta", push, "beta", table(5), [], write, '123cs', [3,4], -3^41,
image, insert(table(3),4,7), &input, 3.3, reverse, r1(1), [], table(4),
r5, r5(1,23), &null, create 1 | 2, 5.5, set([5,6]), "", r2(5,6), -7^23,
"epsilon", [1,2,3], r5(7,8,9), r2, &output, 4, , set([0,1,2]), 1,
r5(1,2,3), r1, check, create 3 | 4, serial, 'XYZcs', 1.1, r1(5), 5^28,
'1234cs', 5, r0(), read, "gamma", r5(4,5,6,7,8), 2, create 5 to 7,
table, r2(1,2), right, r0(), "alpha", messtest, &errout, 11^19,
listtest, "gamma", main, 3]
put(L1, L1)
L2 := copy(L1)
every put(L1, copy(!L2))
write()
every write(image(!sort(L1)))
wsortf(L1, 2)
wsortf(L1, -1)
return
end
procedure wsortf(L, n)
local e, s
write()
every e := !sortf(L,n) do {
s := image(e)
if (s ? =("list" | "record")) & not (s ?= "record constructor") then
writes("key=", image(e[n]), " ") # may fail
write(s)
}
return
end
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