awk/testdir/T.builtin
Arnold D. Robbins d6c466c367 Extract testdir.
2019-06-23 03:13:57 -06:00

65 lines
1.6 KiB
Plaintext
Executable File
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

echo T.builtin: test miscellaneous builtin functions
awk=${awk-../a.out}
$awk 'BEGIN { print index(123, substr(123, 2)) }' >foo1
echo 2 >foo2
diff foo1 foo2 || echo 'BAD: T.builtin (index/substr)'
$awk 'BEGIN {
pi = 2 * atan2(1, 0)
printf("%.5f %.3f %.3f %.5f %.3f\n",
pi, sin(pi), cos(pi/2), exp(log(pi)), log(exp(10)))
}' >foo1
echo '3.14159 0.000 0.000 3.14159 10.000' >foo2
diff foo1 foo2 || echo 'BAD: T.builtin (sin/cos)'
$awk 'BEGIN {
s = srand(1) # set a real random start
for (i = 1; i <= 10; i++)
print rand() >"foo1"
srand(s) # reset it
for (i = 1; i <= 10; i++)
print rand() >"foo2"
}'
diff foo1 foo2 || echo 'BAD: T.builtin (rand)'
echo 'hello, WORLD!' |
$awk '{ printf("%s|%s|%s\n", tolower($0), toupper($0), $0)}' >foo1
echo 'hello, world!|HELLO, WORLD!|hello, WORLD!' >foo2
diff foo1 foo2 || echo 'BAD: T.builtin (toupper/tolower)'
$awk 'BEGIN {
j = 1; sprintf("%d", 99, ++j) # does j get incremented?
if (j != 2)
print "BAD: T.builtin (printf arg list not evaluated)"
}'
$awk 'BEGIN {
j = 1; substr("", 1, ++j) # does j get incremented?
if (j != 2)
print "BAD: T.builtin (substr arg list not evaluated)"
}'
$awk 'BEGIN {
j = 1; sub(/1/, ++j, z) # does j get incremented?
if (j != 2)
print "BAD: T.builtin (sub() arg list not evaluated)"
}'
$awk 'BEGIN {
j = 1; length("zzzz", ++j, ++j) # does j get incremented?
if (j != 3)
print "BAD: T.builtin (excess length args not evaluated)"
}' 2>foo
grep 'too many arg' foo >/dev/null || echo 'T.bad: too many args not caught'
echo 'a
a b
a b c' >foo0
echo '1
2
3' >foo1
$awk '{ n = split($0, x); print length(x) }' <foo0 >foo2
diff foo1 foo2 || echo 'BAD: T.builtin length array'