## File: dec_internal_test.go

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golang-gopkg-inf.v0 0.9.1-1
 `12345678910111213141516171819202122232425262728293031323334353637383940` ``````package inf import ( "math/big" "testing" ) var decQuoRemZZZ = []struct { z, x, y *Dec r *big.Rat srA, srB int }{ // basic examples {NewDec(1, 0), NewDec(2, 0), NewDec(2, 0), big.NewRat(0, 1), 0, 1}, {NewDec(15, 1), NewDec(3, 0), NewDec(2, 0), big.NewRat(0, 1), 0, 1}, {NewDec(1, 1), NewDec(1, 0), NewDec(10, 0), big.NewRat(0, 1), 0, 1}, {NewDec(0, 0), NewDec(2, 0), NewDec(3, 0), big.NewRat(2, 3), 1, 1}, {NewDec(0, 0), NewDec(2, 0), NewDec(6, 0), big.NewRat(1, 3), 1, 1}, {NewDec(1, 1), NewDec(2, 0), NewDec(12, 0), big.NewRat(2, 3), 1, 1}, // examples from the Go Language Specification {NewDec(1, 0), NewDec(5, 0), NewDec(3, 0), big.NewRat(2, 3), 1, 1}, {NewDec(-1, 0), NewDec(-5, 0), NewDec(3, 0), big.NewRat(-2, 3), -1, 1}, {NewDec(-1, 0), NewDec(5, 0), NewDec(-3, 0), big.NewRat(-2, 3), 1, -1}, {NewDec(1, 0), NewDec(-5, 0), NewDec(-3, 0), big.NewRat(2, 3), -1, -1}, } func TestDecQuoRem(t *testing.T) { for i, a := range decQuoRemZZZ { z, rA, rB := new(Dec), new(big.Int), new(big.Int) s := scaleQuoExact{}.Scale(a.x, a.y) z.quoRem(a.x, a.y, s, true, rA, rB) if a.z.Cmp(z) != 0 || a.r.Cmp(new(big.Rat).SetFrac(rA, rB)) != 0 { t.Errorf("#%d QuoRemZZZ got %v, %v, %v; expected %v, %v", i, z, rA, rB, a.z, a.r) } if a.srA != rA.Sign() || a.srB != rB.Sign() { t.Errorf("#%d QuoRemZZZ wrong signs, got %v, %v; expected %v, %v", i, rA.Sign(), rB.Sign(), a.srA, a.srB) } } } ``````