len_test.go
1package ygo_test
2
3import (
4 "testing"
5
6 "git.kilimanjaro.io/ygo"
7)
8
9func TestArrayLenPanicsOnNil(t *testing.T) {
10 defer func() {
11 if r := recover(); r == nil {
12 t.Error("expected panic for nil Array")
13 }
14 }()
15 var arr *ygo.Array
16 _ = arr.Len() // should panic
17}
18
19func TestMapLenPanicsOnNil(t *testing.T) {
20 defer func() {
21 if r := recover(); r == nil {
22 t.Error("expected panic for nil Map")
23 }
24 }()
25 var m *ygo.Map
26 _ = m.Len(nil) // should panic
27}
28
29func TestTextLenPanicsOnNil(t *testing.T) {
30 defer func() {
31 if r := recover(); r == nil {
32 t.Error("expected panic for nil Text")
33 }
34 }()
35 var txt *ygo.Text
36 _ = txt.Len(nil) // should panic
37}
38
39func TestArrayLen(t *testing.T) {
40 doc, err := ygo.NewDoc()
41 if err != nil {
42 t.Fatalf("failed to create doc: %v", err)
43 }
44 defer doc.Destroy()
45
46 arr, err := doc.GetArray("test")
47 if err != nil {
48 t.Fatalf("failed to get array: %v", err)
49 }
50 defer arr.Destroy()
51
52 // Initially empty
53 err = doc.WithReadTransaction(func(txn *ygo.Transaction) error {
54 length := arr.Len()
55 if length != 0 {
56 t.Errorf("expected length 0, got %d", length)
57 }
58 return nil
59 })
60 if err != nil {
61 t.Fatalf("transaction failed: %v", err)
62 }
63
64 // Add items
65 err = doc.WithWriteTransaction(func(txn *ygo.Transaction) error {
66 arr.Push(txn, ygo.Int(1))
67 arr.Push(txn, ygo.Int(2))
68 return nil
69 })
70 if err != nil {
71 t.Fatalf("transaction failed: %v", err)
72 }
73
74 // Check length again
75 err = doc.WithReadTransaction(func(txn *ygo.Transaction) error {
76 length := arr.Len()
77 if length != 2 {
78 t.Errorf("expected length 2, got %d", length)
79 }
80 return nil
81 })
82 if err != nil {
83 t.Fatalf("transaction failed: %v", err)
84 }
85}
