1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
package tui
import (
"fmt"
"strings"
"testing"
)
func TestMountKey_Equality(t *testing.T) {
type tc struct {
a, b any
wantEqual bool
}
tests := map[string]tc{
"same site and parts are equal": {
a: MountKey(1, 2), b: MountKey(1, 2), wantEqual: true,
},
"same site and string parts are equal": {
a: MountKey(0, "alpha"), b: MountKey(0, "alpha"), wantEqual: true,
},
"different parts differ": {
a: MountKey(0, "alpha"), b: MountKey(0, "beta"), wantEqual: false,
},
"different sites differ": {
a: MountKey(0, "x"), b: MountKey(1, "x"), wantEqual: false,
},
"issue 88 collision is impossible: loop iteration vs standalone site": {
a: MountKey(0, 1), b: MountKey(1), wantEqual: false,
},
"nested loop iteration vs flat sibling loop iteration differ": {
a: MountKey(0, 1, 0), b: MountKey(1, 0), wantEqual: false,
},
"int part and string part differ": {
a: MountKey(0, 1), b: MountKey(0, "1"), wantEqual: false,
},
"no parts returns the plain site key": {
a: MountKey(3), b: any(3), wantEqual: true,
},
"nested key order matters": {
a: MountKey(0, 1, 2), b: MountKey(0, 2, 1), wantEqual: false,
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
if got := tt.a == tt.b; got != tt.wantEqual {
t.Errorf("(%v == %v) = %v, want %v", tt.a, tt.b, got, tt.wantEqual)
}
})
}
}
func TestMountKey_UsableAsMapKey(t *testing.T) {
m := map[any]string{}
m[MountKey(0, "a")] = "first"
m[MountKey(0, "b")] = "second"
m[MountKey(1)] = "third"
if len(m) != 3 {
t.Fatalf("expected 3 distinct map entries, got %d", len(m))
}
if m[MountKey(0, "a")] != "first" {
t.Errorf("lookup with rebuilt key failed")
}
}
func TestMountKey_NonComparablePartPanics(t *testing.T) {
defer func() {
r := recover()
if r == nil {
t.Fatal("expected panic for non-comparable key part")
}
if !strings.Contains(fmt.Sprint(r), "not comparable") {
t.Errorf("panic message %q should name the comparability problem", r)
}
}()
MountKey(0, []string{"a"})
}
|