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77 lines
1.9 KiB
77 lines
1.9 KiB
package glib
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import (
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"fmt"
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"testing"
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"unsafe"
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)
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func TestList_Basics(t *testing.T) {
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list := (&List{}).Append(0).Append(1).Append(2)
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if list.Length() != 3 {
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t.Errorf("Length of list with 3 appended elements must be 3. (Got %v).", list.Length())
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}
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list = (&List{}).Prepend(0).Prepend(1).Prepend(2)
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if list.Length() != 3 {
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t.Errorf("Length of list with 3 prepended elements must be 3. (Got %v).", list.Length())
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}
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list = (&List{}).Insert(0, 0).Insert(1, 0).Insert(2, 0)
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if list.Length() != 3 {
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t.Errorf("Length of list with 3 inserted elements must be 3. (Got %v).", list.Length())
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}
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}
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func TestList_DataWrapper(t *testing.T) {
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list := (&List{}).Append(0).Append(1).Append(2)
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list.DataWrapper(func(ptr unsafe.Pointer) interface{} {
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return fmt.Sprintf("Value %v", uintptr(ptr))
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})
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i := 0
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for l := list; l != nil; l = l.Next() {
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expect := fmt.Sprintf("Value %v", i)
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i++
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actual, ok := l.Data().(string)
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if !ok {
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t.Error("DataWrapper must have returned a string!")
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}
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if actual != expect {
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t.Errorf("DataWrapper returned unexpected result. Expected '%v', got '%v'.", expect, actual)
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}
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}
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}
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func TestList_Foreach(t *testing.T) {
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list := (&List{}).Append(0).Append(1).Append(2)
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list.DataWrapper(func(ptr unsafe.Pointer) interface{} {
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return int(uintptr(ptr) + 1)
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})
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sum := 0
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list.Foreach(func(item interface{}) {
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sum += item.(int)
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})
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if sum != 6 {
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t.Errorf("Foreach resulted into wrong sum. Got %v, expected %v.", sum, 6)
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}
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}
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func TestList_Nth(t *testing.T) {
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list := (&List{}).Append(0).Append(1).Append(2)
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list.DataWrapper(func(ptr unsafe.Pointer) interface{} {
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return int(uintptr(ptr) + 1)
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})
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for i := uint(0); i < 3; i++ {
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nth := list.Nth(i).Data().(int)
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nthData := list.NthData(i).(int)
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if nth != nthData {
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t.Errorf("%v's element didn't match. Nth->Data returned %v; NthData returned %v.", i, nth, nthData)
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}
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}
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}
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