#!/usr/bin/env attl
#
# Basic test of attl. All prints should produce PASS. Comments should be ignored.
let tc 1
let tn "Test: basic printing and command calling"
print "PASS $tc $tn $tn\n"
inc tc
set tn "Test: string interpolation"
print "${1}${2} $tc $tn\n" "PA" "SS"
inc tc
set tn "Test: variable setting, evaluations, and if"
let a 10
if [ilt $a 20] {
	print "PASS $tc $tn\n"
} else {
	print "FAIL $tc $tn\n"
}
inc tc
set tn "Test: if with block condition"
let b 12
if {ilt $b 20} {
	print "PASS $tc $tn\n"
} else {
	print "FAIL $tc $tn\n"
}
inc tc
set tn "Test: else block"
if [ige $a 20] {
	print "FAIL  $tc $tn\n"
} else {
	print "PASS $tc $tn\n"
}
inc tc
set tn "Test: command definition"
to test_ok {
	print "PASS $tc $tn\n"
	return 0
}
test_ok

inc tc
set tn "Test: break in block"
{
	# break should only break the block
	break
}
print "PASS $tc $tn\n"

inc tc
set tn "Test: break in block function"
to break_block {
	break [expand "PASS $tc $tn"]
	print "FAIL $tc $tn went too far \n"
	expand "FAIL $tc $tn"
}
print "$1\n" [break_block]

inc tc
set tn "Test: return values"
to return_ok {
	return [expand "PASS $tc $tn"]
	print "FAIL $tc $tn went too far \n"
}
print "$1\n" [return_ok]

inc tc
set tn "Test: multiple return values"
to return_multi_ok {
	return "PA" "AS" [expand "$tc $tn"]
	print "FAIL $tc $tn went too far \n"
}
print "$1\n" [return_multi_ok]

set tn "Test: fail/rescue catching"
to fail_ok {
	fail "FAIL $tc $tn"
}
inc tc
to test_rescue {
	rescue {
		let var [expand "PASS $tc $tn\n"]
		return "PASS $tc $tn\n"
	}
	fail_ok
	print  "FAIL $tc $tn went too far\n"
	return 0
}
print [test_rescue]

set tn "Test: top level block evaluation and stack"
inc tc
let var "FAIL $tc $tn"
{
	let var "FAIL $tc $tn 2"
	{
		let var [expand "PASS $tc $tn\n"]
		print $var
	}
	print $var
}
print $var

let rec 0
set tn "Test: no recursion from fail in rescue blocks"
inc tc
to test_fail_in_rescue {
	rescue {
		inc rec
		if [igt $rec 1] {
			return "FAIL $tc $tn: recursion detected: $rec\n"
		} else {
			fail "PASS $tc $tn: $rec\n"
		}
	}
	fail_ok
	print  "FAIL $tc $tn went too far\n"
	return 0
}
print [test_fail_in_rescue]


# This test does stop the recursion but it fails
# in the sense thet the error cannot be caught
# because somehow the rescue block isn't set up
# correctly.
# set rec 0
# set tn "Test: recursion limit"
# inc tc
# rescue {
# 	print "PASS $tc $tn: limited\n"
# }
# to test_recursion_limit {
# 	rescue {
# 		return "PASS $tc $tn: limited\n"
# 	}
# 	inc rec
# 	print "$rec "
# 	if [igt $rec 38]  {
# 		print  "FAIL $tc $tn: not limited\n"
# 		return 0
# 	}
# 	test_recursion_limit
# }
# nop
# print [test_recursion_limit]
# return "PASS $tc $tn: returned\n"