From ddc7bb9064042a0d5da9546eaf6ff888dca63f0c Mon Sep 17 00:00:00 2001 From: Junegunn Choi Date: Sun, 14 Aug 2016 01:53:06 +0900 Subject: [perf] Optimize AWK-style tokenizer for --nth Approx. 50% less memory footprint and 40% improvement in query time --- src/util/chars_test.go | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'src/util/chars_test.go') diff --git a/src/util/chars_test.go b/src/util/chars_test.go index e42cfb7c..2cb6fc76 100644 --- a/src/util/chars_test.go +++ b/src/util/chars_test.go @@ -34,3 +34,24 @@ func TestCharsToString(t *testing.T) { t.Error() } } + +func TestTrimLength(t *testing.T) { + check := func(str string, exp int) { + chars := ToChars([]byte(str)) + trimmed := chars.TrimLength() + if trimmed != exp { + t.Errorf("Invalid TrimLength result for '%s': %d (expected %d)", + str, trimmed, exp) + } + } + check("hello", 5) + check("hello ", 5) + check("hello ", 5) + check(" hello", 5) + check(" hello", 5) + check(" hello ", 5) + check(" hello ", 5) + check("h o", 5) + check(" h o ", 5) + check(" ", 0) +} -- cgit v1.2.3