func ExamplePagination() {
p := pagination.NewPagination(100, 1, 10, 5)
fmt.Printf("Total: %v\n", p.Total)
fmt.Printf("Start: %v\n", p.Start)
fmt.Printf("End : %v\n", p.End)
fmt.Printf("HasPrev: %v\n", p.HasPrev)
fmt.Printf("Prev : %v\n", p.Prev)
fmt.Printf("HasNext: %v\n", p.HasNext)
fmt.Printf("Next : %v\n", p.Next)
for _, page := range p.Pages {
fmt.Printf("Active: %v, Number: %v\n", page.Active, page.Number)
}
// Output:
// Total: 10
// Start: 1
// End : 5
// HasPrev: false
// Prev : 0
// HasNext: true
// Next : 6
// Active: true, Number: 1
// Active: false, Number: 2
// Active: false, Number: 3
// Active: false, Number: 4
// Active: false, Number: 5
}
func TestPagination(t *testing.T) {
if p := pagination.NewPagination(-10, 1, 10, 5); p.Total != 0 {
t.Fail()
}
if p := pagination.NewPagination(10, 1, 10, 5); p.Total != 1 || p.Start != 1 || p.End != 1 {
t.Fail()
}
if p := pagination.NewPagination(5, 1, 10, 5); p.Total != 1 || p.Start != 1 || p.End != 1 {
t.Fail()
}
if p := pagination.NewPagination(100, 2, 10, 5); p.HasPrev || !p.HasNext {
t.Fail()
}
if p := pagination.NewPagination(100, 8, 10, 5); !p.HasPrev || p.HasNext {
t.Fail()
}
if p := pagination.NewPagination(100, 5, 10, 5); !p.HasPrev || !p.HasNext {
t.Fail()
}
if p := pagination.NewPagination(100, 5, 10, 10); p.HasPrev || p.HasNext {
t.Fail()
}
}