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#SRC: JCON
# test csets and character conversions
procedure main()
local a, c, i, n, s, cs, ct, x, y
x := 'a1b2c3'
write("x: ", x);
write("*x: ", *x)
every writes("!x: " | !x | "\n");
write("?z: ", ?'z')
write("?empty: ", ?'', " (OOPS)") # should fail
write()
kw("digits", &digits)
kw("lcase", &lcase)
kw("ucase", &ucase)
kw("letters", &letters)
write(" &ascii: ", *&ascii, " elements")
write()
write (" x y ",
" x++y y++x x--y y--x x**y y**x ~~x")
every x := ( 'a1b2c3' | "a1b2c3" | 1234 | 12.34 | '') &
y := ( 'xyzabc' | "xyzabc" | 3456 | 34.56 | "@ 90") do {
write(
right(image(x),8), right(image(y),9),
right(x++y, 13), right(y++x, 13),
right(x--y, 7), right(y--x, 7),
right(x**y, 7), right(y**x, 7),
right(~~x, 7))
}
# various tests involving chars with the sign bit set
# test conversion of int to char (string) and back
write()
every i := 0 to 255 by 15 do {
s := ""
c := char(i)
s ||:= c
n := ord(c)
cs := cset(c)
write(right(i, 3), right(image(c), 8), right(image(s), 8), right(n, 5),
right(image(cs), 8))
}
# test more and stranger conversions
write()
a := [0, 15.71, "32rU", "16r2D", "60", "8r113", "90", "105", "120", "8r207",
"16r96", "16ra5", "16rB4", "16rc3", "16rD2", "16re1", "16rf0", "16rfF"]
every s := !a do {
c := char(s)
n := ord(c)
write(right(image(s), 8), right(image(c), 8), right(n, 5))
}
# test conversion of string to int and back
write()
a := ["\x00", "\x0F", "\x1e", "-", "<", "\113", "Z", "i", "x", "\x87",
"\x96", "\xa5", "\xB4", "\xc3", "\xD2", "\xe1", "\xf0", "\xfF"]
every s := !a do {
n := ord(s)
c := char(n)
write(right(image(s), 6), right(n, 5), right(image(c), 8))
}
# test conversion of cset to string and int
write()
a := ['\x00', '\x0F', '\x1e', '-', '<', '\113', 'Z', 'i', 'x', '\x87',
'\x96', '\xa5', '\xB4', '\xc3', '\xD2', '\xe1', '\xf0', '\xfF']
every cs := !a do {
s := string(cs)
n := ord(cs)
write(right(image(cs), 6), right(image(s), 8), right(n, 5))
}
end
procedure kw(label, value)
write(right("&" || label, 10), ": '", value, "'")
return
end
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