60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package gf127
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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var testCasesSplit = []struct {
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num *GF127x2
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h1 *GF127
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h2 *GF127
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}{
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{&GF127x2{123, 31, 141, 9}, &GF127{123, 31}, &GF127{141, 9}},
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{&GF127x2{maxUint64, 0, 0, maxUint64}, &GF127{maxUint64, 0}, &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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{&GF127x2{123, 0, 123, 0}, &GF127x2{246, 0, 246, 0}},
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{&GF127x2{maxUint64, 2, 0, 1}, &GF127x2{maxUint64 - 1, 5, 0, 2}},
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{&GF127x2{0, maxUint64 >> 1, maxUint64, 2}, &GF127x2{1 + 1<<63, maxUint64>>1 - 1, maxUint64 - 1, 5}},
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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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{&GF127x2{123, 0, 123, 0}, &GF127x2{141, 0, 141, 0}},
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{&GF127x2{maxUint64, 2, 0, 1}, &GF127x2{1, 7, 0, 3}},
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{&GF127x2{0, maxUint64 >> 1, maxUint64, 2}, &GF127x2{1 + 1<<63, 1, 1, 7}},
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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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