exercism/go/sum-of-multiples/sum_of_multiples_test.go

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2016-08-13 23:20:14 +00:00
package summultiples
import "testing"
var test35 = []struct {
limit int
sum int
}{
{1, 0},
{4, 3},
{10, 23},
{1000, 233168},
}
var varTests = []struct {
divisors []int
limit int
sum int
}{
{[]int{7, 13, 17}, 20, 51},
{[]int{43, 47}, 10000, 2203160},
{[]int{5, 10, 12}, 10000, 13331672},
{[]int{1, 1}, 10000, 49995000},
{[]int{}, 10000, 0},
}
func Test35(t *testing.T) {
sum35 := MultipleSummer(3, 5)
for _, test := range test35 {
s := sum35(test.limit)
if s != test.sum {
t.Fatalf("Sum to %d returned %d, want %d.", test.limit, s, test.sum)
}
}
}
func TestVar(t *testing.T) {
for _, test := range varTests {
sv := MultipleSummer(test.divisors...)
s := sv(test.limit)
if s != test.sum {
t.Fatalf("Sum of multiples of %v to %d returned %d, want %d.",
test.divisors, test.limit, s, test.sum)
}
}
}
func Benchmark35(b *testing.B) {
sum35 := MultipleSummer(3, 5)
b.ResetTimer() // bench just the sum function
for i := 0; i < b.N; i++ {
for _, test := range test35 {
sum35(test.limit)
}
}
}
func BenchmarkVar(b *testing.B) {
// bench combined time to bind sum function and call it.
for i := 0; i < b.N; i++ {
for _, test := range varTests {
MultipleSummer(test.divisors...)(test.limit)
}
}
}