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