test it::filter and it::grep

1 files changed, 8 insertions, 0 deletions

diff --git a/test/it_pipe.t b/test/it_pipe.t
index 734b7fa..72847d1 100755
--- a/test/it_pipe.t
+++ b/test/it_pipe.t
@@ -9,6 +9,14 @@ is(it::pipe('echo {0}{1}', "f", "oo")->lines(),         ["foo"]);
 is(it::pipe('echo {f}', ['f' => 1, 'f' => 2])->lines(), [2]);
 is(it::pipe(['foo'])->lines(),                          ["foo"]);
 
+foreach(it::pipe(['a','b','a']) as $i) $x1 .= $i;
+is($x1, "aba");
+foreach(it::pipe(['a','b','a'])->filter(fn($x) => $x == 'a') as $i) $x2 .= $i;
+is($x2, "aa");
+foreach(it::pipe(['a','b','a'])->grep('a') as $i) $x3 .= $i;
+is($x3, "aa");
+
+
 # csv()
 is(json_encode((new it_pipe(['data' => ["a\tb", "1\t2"]]))->csv()),      '[{"a":"1","b":"2"}]');
 is(json_encode((new it_pipe(['data' => ["a;b",   "1;2"]]))->csv()),      '[{"a":"1","b":"2"}]');