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This commit is contained in:
Kovid Goyal
2024-02-11 13:05:46 +05:30
parent d0797a025b
commit ede4d7fbca
1 changed files with 16 additions and 19 deletions
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35
tools/simdstring/intrinsics_test.go
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@@ -132,13 +132,12 @@ func aligned_slice(sz, alignment int) ([]byte, []byte) {
func TestSIMDStringOps(t *testing.T) {
sizes := get_sizes(t)
test := func(haystack []byte, a, b byte, dont_pad ...bool) {
test := func(haystack []byte, a, b byte, align_offset int) {
var actual int
if len(dont_pad) == 0 || !dont_pad[0] {
safe_haystack := append(bytes.Repeat([]byte{'<'}, 64), haystack...)
safe_haystack = append(safe_haystack, bytes.Repeat([]byte{'>'}, 64)...)
haystack = safe_haystack[64 : 64+len(haystack)]
}
sh, _ := aligned_slice(len(haystack)+align_offset, 64)
sh = sh[align_offset:]
copy(sh, haystack)
haystack = sh
expected := index_byte2_scalar(haystack, a, b)
for _, sz := range sizes {
@@ -156,27 +155,25 @@ func TestSIMDStringOps(t *testing.T) {
}
// test alignment issues
q := []byte("abc")
for sz := 0; sz < 32; sz++ {
as, _ := aligned_slice(sz+3, 32)
q := as[sz:]
q[0] = 'a'
q[1] = 'b'
q[2] = 'c'
test(q, '<', '>', true)
test(q, ' ', 'b', true)
test(q, '<', 'a', true)
test(q, '<', 'b', true)
test(q, 'c', '>', true)
test(q, '<', '>', sz)
test(q, ' ', 'b', sz)
test(q, '<', 'a', sz)
test(q, '<', 'b', sz)
test(q, 'c', '>', sz)
}
tests := func(h string, a, b byte) {
for _, sz := range []int{0, 16, 32, 64, 79} {
q := strings.Repeat(" ", sz) + h
test([]byte(q), a, b)
for sz := 0; sz < 32; sz++ {
test([]byte(q), a, b, sz)
}
}
}
test(nil, '<', '>')
test([]byte{}, '<', '>')
test(nil, '<', '>', 1)
test([]byte{}, '<', '>', 1)
tests("", '<', '>')
tests("a", 0, 0)