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# This file describes the semantics for hard regex constants
# As much as possible it's executable code so that it can be used
# (or split into) test cases for development and regression testing.
function simple_tests( fbre, numresult, strresult)
{
# usable as case value
switch ("foobaaar") {
case @/fo+ba+r/:
print "switch-case: ok"
break
default:
print "switch-case: fail"
break
}
# usable with ~ and !~
if ("foobaaar" ~ @/fo+ba+r/)
print "match ~: ok"
else
print "match ~: fail"
if ("quasimoto" !~ @/fo+ba+r/)
print "match !~: ok"
else
print "match !~: fail"
# assign to variable, use in match
fbre = @/fo+ba+r/
if ("foobaaar" ~ fbre)
print "variable match ~: ok"
else
print "variable match ~: fail"
if ("quasimoto" !~ fbre)
print "variable match !~: ok"
else
print "variable match !~: fail"
# Use as numeric value, should be zero
numresult = fbre + 42
if (numresult == 42)
print "variable as numeric value: ok"
else
print "variable as numeric value: fail"
# Use as string value, should be string value of regexp text
strresult = "<" fbre ">"
if (strresult == "<fo+ba+r>")
print "variable as string value: ok"
else
print "variable as string value: fail", strresult
# typeof should work
if (typeof(@/fo+ba+r/) == "regexp")
print "typeof constant: ok"
else
print "typeof constant: fail"
if (typeof(fbre) == "regexp")
print "typeof variable: ok"
else
print "typeof variable: fail"
# conversion to number, works. should it be fatal?
fbre++
if (fbre == 1)
print "conversion to number: ok"
else
print "conversion to number: fail"
if (typeof(fbre) == "number")
print "typeof variable after conversion: ok"
else
print "typeof variable after conversion: fail"
}
function match_tests( fbre, fun)
{
if (match("foobaaar", @/fo+ba+r/))
print "match(constant): ok"
else
print "match(constant): fail"
fbre = @/fo+ba+r/
if (match("foobaaar", fbre))
print "match(variable): ok"
else
print "match(variable): fail"
fun = "match"
if (@fun("foobaaar", @/fo+ba+r/))
print "match(constant) indirect: ok"
else
print "match(constant) indirect: fail"
if (@fun("foobaaar", fbre))
print "match(variable) indirect: ok"
else
print "match(variable) indirect: fail"
}
function sub_tests( fbre, count, target, fun)
{
target = "abc foobaar def foobar ghi"
count = sub(@/fo+ba+r/, "XX", target)
if (count == 1 && target == "abc XX def foobar ghi")
print "sub(constant): ok"
else
print "sub(constant): fail"
fbre = @/fo+ba+r/
target = "abc foobaar def foobar ghi"
count = sub(fbre, "XX", target)
if (count == 1 && target == "abc XX def foobar ghi")
print "sub(variable): ok"
else
print "sub(variable): fail"
fun = "sub"
$0 = "abc foobaar def foobar ghi"
count = @fun(@/fo+ba+r/, "XX")
if (count == 1 && $0 == "abc XX def foobar ghi")
print "sub(constant) indirect: ok"
else
print "sub(constant) indirect: fail"
$0 = "abc foobaar def foobar ghi"
count = @fun(fbre, "XX")
if (count == 1 && $0 == "abc XX def foobar ghi")
print "sub(variable) indirect: ok"
else
print "sub(variable) indirect: fail"
}
function gsub_tests( fbre, count, target, fun)
{
target = "abc foobaar def foobar ghi"
count = gsub(@/fo+ba+r/, "XX", target)
if (count == 2 && target == "abc XX def XX ghi")
print "gsub(constant): ok"
else
print "gsub(constant): fail"
fbre = @/fo+ba+r/
target = "abc foobaar def foobar ghi"
count = gsub(fbre, "XX", target)
if (count == 2 && target == "abc XX def XX ghi")
print "gsub(variable): ok"
else
print "gsub(variable): fail"
fun = "gsub"
$0 = "abc foobaar def foobar ghi"
count = @fun(@/fo+ba+r/, "XX")
if (count == 2 && $0 == "abc XX def XX ghi")
print "gsub(constant) indirect: ok"
else
print "gsub(constant) indirect: fail"
$0 = "abc foobaar def foobar ghi"
count = @fun(fbre, "XX")
if (count == 2 && $0 == "abc XX def XX ghi")
print "gsub(variable) indirect: ok"
else
print "gsub(variable) indirect: fail"
}
function gensub_tests( fbre, result, target, fun)
{
target = "abc foobaar def foobar ghi"
result = gensub(@/fo+ba+r/, "XX", "g", target)
if (result == "abc XX def XX ghi")
print "gensub(constant): ok"
else
print "gensub(constant): fail"
fbre = @/fo+ba+r/
target = "abc foobaar def foobar ghi"
result = gensub(fbre, "XX", "g", target)
if (result == "abc XX def XX ghi")
print "gensub(variable): ok"
else
print "gensub(variable): fail"
fun = "gensub"
$0 = "abc foobaar def foobar ghi"
result = @fun(@/fo+ba+r/, "XX", "g")
if (result == "abc XX def XX ghi")
print "gensub(constant) indirect: ok"
else
print "gensub(constant) indirect: fail"
$0 = "abc foobaar def foobar ghi"
result = @fun(fbre, "XX", "g")
if (result == "abc XX def XX ghi")
print "gensub(variable) indirect: ok"
else
print "gensub(variable) indirect: fail"
result = @fun(@/fo+ba+r/, "XX", "g", target)
if (result == "abc XX def XX ghi")
print "gensub(constant) indirect 2: ok"
else
print "gensub(constant) indirect 2: fail"
result = @fun(fbre, "XX", "g", target)
if (result == "abc XX def XX ghi")
print "gensub(variable) indirect 2: ok"
else
print "gensub(variable) indirect 2: fail"
}
function split_tests( fbre, data, seps, fun, b1)
{
delete data
delete seps
b1 = split("a:b:c:d", data, @/:/, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "split(constant): ok"
else
print "split(constant): fail"
delete data
delete seps
fbre = @/:/
b1 = split("a:b:c:d", data, fbre, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "split(variable): ok"
else
print "split(variable): fail"
fun = "split"
delete data
delete seps
b1 = @fun("a:b:c:d", data, @/:/, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "split(constant) indirect: ok"
else
print "split(constant) indirect: fail"
delete data
delete seps
b1 = @fun("a:b:c:d", data, fbre, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "split(variable) indirect: ok"
else
print "split(variable) indirect: fail"
}
function patsplit_tests( fbre, data, seps, fun, b1)
{
delete data
delete seps
b1 = patsplit("a:b:c:d", data, @/[a-z]+/, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "patsplit(constant): ok"
else
print "patsplit(constant): fail"
delete data
delete seps
fbre = @/[a-z]+/
b1 = patsplit("a:b:c:d", data, fbre, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "patsplit(variable): ok"
else
print "patsplit(variable): fail"
fun = "patsplit"
delete data
delete seps
b1 = @fun("a:b:c:d", data, @/[a-z]+/, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "patsplit(constant) indirect: ok"
else
print "patsplit(constant) indirect: fail"
delete data
delete seps
b1 = @fun("a:b:c:d", data, fbre, seps)
if (b1 == 4 && data[1] == "a" && seps[1] == ":")
print "patsplit(variable) indirect: ok"
else
print "patsplit(variable) indirect: fail"
}
BEGIN {
simple_tests()
match_tests()
sub_tests()
gsub_tests()
gensub_tests()
split_tests()
patsplit_tests()
}
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