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|
package internal
import (
"fmt"
"go/importer"
"regexp"
"slices"
"strings"
"testing"
"github.com/go-quicktest/qt"
)
func TestPow(t *testing.T) {
tests := []struct {
n int
r bool
}{
{0, false},
{1, true},
{2, true},
{3, false},
{4, true},
{5, false},
{8, true},
}
for _, tt := range tests {
t.Run(fmt.Sprintf("%d", tt.n), func(t *testing.T) {
if want, got := tt.r, IsPow(tt.n); want != got {
t.Errorf("unexpected result for n %d; want: %v, got: %v", tt.n, want, got)
}
})
}
}
func TestIntegerConstraint(t *testing.T) {
rgx := regexp.MustCompile(`^(u)?int([0-9]*|ptr)?$`)
pkg, err := importer.Default().Import("reflect")
if err != nil {
t.Fatal(err)
}
for _, name := range pkg.Scope().Names() {
name = strings.ToLower(name)
if !rgx.MatchString(name) {
continue
}
if !slices.Contains(integers, name) {
t.Errorf("Go type %s is not in the list of known integer types", name)
}
}
}
func TestBetween(t *testing.T) {
tests := []struct {
val, a, b, r int
}{
{0, 1, 2, 1},
{1, 1, 2, 1},
{2, 1, 2, 2},
{3, 1, 2, 2},
{4, 10, 5, 5},
{11, 10, 5, 10},
}
for _, tt := range tests {
t.Run(fmt.Sprintf("%d between %d and %d", tt.val, tt.a, tt.b), func(t *testing.T) {
qt.Assert(t, qt.Equals(Between(tt.val, tt.a, tt.b), tt.r))
})
}
}
|
