Commit 8ee98657 authored by Roger Peppe's avatar Roger Peppe Committed by Russ Cox

strings: fix minor bug in LastIndexFunc

R=r, rsc
CC=golang-dev
https://golang.org/cl/2250042
parent b11740fb
......@@ -463,7 +463,7 @@ func lastIndexFunc(s string, f func(r int) bool, truth bool) int {
}
}
if start < 0 {
return -1
start = 0
}
var wid int
rune, wid = utf8.DecodeRuneInString(s[start:end])
......
......@@ -514,6 +514,7 @@ var indexFuncTests = []IndexFuncTest{
IndexFuncTest{"\xc0\xc0\xc0", not(isValidRune), 0, 5},
IndexFuncTest{"ab\xc0a\xc0cd", not(isValidRune), 2, 4},
IndexFuncTest{"a\xe0\x80cd", not(isValidRune), 1, 2},
IndexFuncTest{"\x80\x80\x80\x80", not(isValidRune), 0, 3},
}
func TestIndexFunc(t *testing.T) {
......
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