forked from TrueCloudLab/tzhash
82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
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package avx2
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import (
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"testing"
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"github.com/nspcc-dev/tzhash/gf127"
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"github.com/stretchr/testify/require"
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)
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const maxUint64 = ^uint64(0)
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var testCasesSplit = []struct {
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num *GF127x2
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h1 *gf127.GF127
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h2 *gf127.GF127
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}{
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{&GF127x2{gf127.GF127{123, 31}, gf127.GF127{141, 9}}, &gf127.GF127{123, 31}, &gf127.GF127{141, 9}},
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{&GF127x2{gf127.GF127{maxUint64, 0}, gf127.GF127{0, maxUint64}}, &gf127.GF127{maxUint64, 0}, &gf127.GF127{0, maxUint64}},
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}
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func TestSplit(t *testing.T) {
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for _, tc := range testCasesSplit {
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a, b := Split(tc.num)
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require.Equal(t, tc.h1, a)
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require.Equal(t, tc.h2, b)
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}
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}
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func TestCombineTo(t *testing.T) {
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c := new(GF127x2)
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for _, tc := range testCasesSplit {
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CombineTo(tc.h1, tc.h2, c)
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require.Equal(t, tc.num, c)
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}
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}
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var testCasesMul10x2 = [][2]*GF127x2{
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{
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&GF127x2{gf127.GF127{123, 0}, gf127.GF127{123, 0}},
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&GF127x2{gf127.GF127{246, 0}, gf127.GF127{246, 0}},
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},
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{
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&GF127x2{gf127.GF127{maxUint64, 2}, gf127.GF127{0, 1}},
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&GF127x2{gf127.GF127{maxUint64 - 1, 5}, gf127.GF127{0, 2}},
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},
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{
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&GF127x2{gf127.GF127{0, maxUint64 >> 1}, gf127.GF127{maxUint64, 2}},
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&GF127x2{gf127.GF127{1 + 1<<63, maxUint64>>1 - 1}, gf127.GF127{maxUint64 - 1, 5}},
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},
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}
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func TestMul10x2(t *testing.T) {
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c := new(GF127x2)
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for _, tc := range testCasesMul10x2 {
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Mul10x2(tc[0], c)
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require.Equal(t, tc[1], c)
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}
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}
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var testCasesMul11x2 = [][2]*GF127x2{
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{
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&GF127x2{gf127.GF127{123, 0}, gf127.GF127{123, 0}},
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&GF127x2{gf127.GF127{141, 0}, gf127.GF127{141, 0}},
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},
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{
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&GF127x2{gf127.GF127{maxUint64, 2}, gf127.GF127{0, 1}},
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&GF127x2{gf127.GF127{1, 7}, gf127.GF127{0, 3}},
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},
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{
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&GF127x2{gf127.GF127{0, maxUint64 >> 1}, gf127.GF127{maxUint64, 2}},
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&GF127x2{gf127.GF127{1 + 1<<63, 1}, gf127.GF127{1, 7}},
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},
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}
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func TestMul11x2(t *testing.T) {
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c := new(GF127x2)
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for _, tc := range testCasesMul11x2 {
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Mul11x2(tc[0], c)
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require.Equal(t, tc[1], c)
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}
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}
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