exercism/go/perfect-numbers/perfect_numbers_test.go
2016-11-29 21:28:40 -06:00

42 lines
1015 B
Go

package perfect
import "testing"
var _ error = ErrOnlyPositive
func TestGivesPositiveRequiredError(t *testing.T) {
if _, err := Classify(0); err != ErrOnlyPositive {
t.Errorf("Expected error %q but got %q", ErrOnlyPositive, err)
}
}
func TestClassifiesCorrectly(t *testing.T) {
cases := []struct {
input uint64
expected Classification
}{
{1, ClassificationDeficient},
{13, ClassificationDeficient},
{12, ClassificationAbundant},
{6, ClassificationPerfect},
{28, ClassificationPerfect},
{496, ClassificationPerfect},
{8128, ClassificationPerfect},
}
for _, c := range cases {
if cat, err := Classify(c.input); err != nil {
t.Errorf("%d: Expected no error but got %s", c.input, err)
} else if cat != c.expected {
t.Errorf("%d: Expected %q, got %q", c.input, c.expected, cat)
}
}
}
const targetTestVersion = 1
func TestTestVersion(t *testing.T) {
if testVersion != targetTestVersion {
t.Errorf("Found testVersion = %v, want %v.", testVersion, targetTestVersion)
}
}