| package mmath | |
| import ( | |
| "testing" | |
| ) | |
| func TestAdd(t *testing.T) { | |
| x, y := 1, 2 | |
| z := Add(x, y) | |
| if z != x+y { | |
| t.Fatalf("%d + %d != %d\n", x, y, x+y) | |
| } | |
| } | |
| func TestSub(t *testing.T) { | |
| x, y := 1, 2 | |
| z := Sub(x, y) | |
| if z != x-y { | |
| t.Fatalf("%d-%d != %d\n", x, y, x-y) | |
| } | |
| } | |
| func TestMul(t *testing.T) { | |
| x, y := 2, 3 | |
| z := Mul(x, y) | |
| if z != x*y { | |
| t.Fatalf("%d*%d != %d\n", x, y, x*y) | |
| } | |
| } | |
| func TestDiv(t *testing.T) { | |
| x, y := 2, 3 | |
| z := Div(x, y) | |
| if z != x/y { | |
| t.Fatalf("%d/%d != %d\n", x, y, x/y) | |
| } | |
| } |