hare

commit 547f5c55af03e0b004127e489c1447dacd0ee783
parent c3eb1d839343abc7edebdf22bcf72872ced83cb9
Author: Drew DeVault <sir@cmpwn.com>
Date:   Wed,  3 Feb 2021 16:23:24 -0500

strings: add test for iter

Diffstat:
M
strings/iter.ha
 | 
12
++++++++++++

1 file changed, 12 insertions(+), 0 deletions(-)
diff --git a/strings/iter.ha b/strings/iter.ha
@@ -20,3 +20,15 @@ export fn next(iter: *iterator) (rune | void) = {
 export fn iterstr(iter: *iterator) str = {
 	return from_utf8(iter.src[iter.offs..]);
 };
+
+@test fn iter_test() void = {
+	let i = iter("こんにちは");
+	assert(next(&i) as rune == 'こ');
+	assert(next(&i) as rune == 'ん');
+	assert(iterstr(&i) == "にちは");
+	assert(next(&i) as rune == 'に');
+	assert(next(&i) as rune == 'ち');
+	assert(next(&i) as rune == 'は');
+	assert(next(&i) is void);
+	assert(next(&i) is void);
+};