diff options
| -rw-r--r-- | src/strings/compare_test.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/strings/compare_test.go b/src/strings/compare_test.go index 712e5a741e..5d5334461c 100644 --- a/src/strings/compare_test.go +++ b/src/strings/compare_test.go @@ -66,6 +66,7 @@ func TestCompareStrings(t *testing.T) { n := lengths[len(lengths)-1] a := make([]byte, n+1) b := make([]byte, n+1) + lastLen := 0 for _, len := range lengths { // randomish but deterministic data. No 0 or 255. for i := 0; i < len; i++ { @@ -78,21 +79,22 @@ func TestCompareStrings(t *testing.T) { b[i] = 9 } - cmp := Compare(string(a[:len]), string(b[:len])) + sa, sb := string(a), string(b) + cmp := Compare(sa[:len], sb[:len]) if cmp != 0 { t.Errorf(`CompareIdentical(%d) = %d`, len, cmp) } if len > 0 { - cmp = Compare(string(a[:len-1]), string(b[:len])) + cmp = Compare(sa[:len-1], sb[:len]) if cmp != -1 { t.Errorf(`CompareAshorter(%d) = %d`, len, cmp) } - cmp = Compare(string(a[:len]), string(b[:len-1])) + cmp = Compare(sa[:len], sb[:len-1]) if cmp != 1 { t.Errorf(`CompareBshorter(%d) = %d`, len, cmp) } } - for k := 0; k < len; k++ { + for k := lastLen; k < len; k++ { b[k] = a[k] - 1 cmp = Compare(string(a[:len]), string(b[:len])) if cmp != 1 { @@ -105,5 +107,6 @@ func TestCompareStrings(t *testing.T) { } b[k] = a[k] } + lastLen = len } } |