Sha256: 44dfefba0c73544bbc14715e1628d1891818967e5e31c1e8f0fb1bb2bd6f816b
Contents?: true
Size: 962 Bytes
Versions: 116
Compression:
Stored size: 962 Bytes
Contents
package prime
// Return prime factors in increasing order
import (
"reflect"
"testing"
)
const targetTestVersion = 2
var tests = []struct {
input int64
expected []int64
}{
{1, []int64{}},
{2, []int64{2}},
{3, []int64{3}},
{4, []int64{2, 2}},
{6, []int64{2, 3}},
{8, []int64{2, 2, 2}},
{9, []int64{3, 3}},
{27, []int64{3, 3, 3}},
{625, []int64{5, 5, 5, 5}},
{901255, []int64{5, 17, 23, 461}},
{93819012551, []int64{11, 9539, 894119}},
}
func TestPrimeFactors(t *testing.T) {
if testVersion != targetTestVersion {
t.Fatalf("Found testVersion = %v, want %v", testVersion, targetTestVersion)
}
for _, test := range tests {
actual := Factors(test.input)
if !reflect.DeepEqual(actual, test.expected) {
t.Errorf("prime.Factors(%d) = %v; expected %v",
test.input, actual, test.expected)
}
}
}
func BenchmarkPrimeFactors(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, test := range tests {
Factors(test.input)
}
}
}
Version data entries
116 entries across 116 versions & 1 rubygems