90 lines
1.6 KiB
Go
90 lines
1.6 KiB
Go
// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Package mak contains code to help make things.
|
|
package mak
|
|
|
|
import (
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
type M map[string]int
|
|
|
|
func TestSet(t *testing.T) {
|
|
t.Run("unnamed", func(t *testing.T) {
|
|
var m map[string]int
|
|
Set(&m, "foo", 42)
|
|
Set(&m, "bar", 1)
|
|
Set(&m, "bar", 2)
|
|
want := map[string]int{
|
|
"foo": 42,
|
|
"bar": 2,
|
|
}
|
|
if got := m; !reflect.DeepEqual(got, want) {
|
|
t.Errorf("got %v; want %v", got, want)
|
|
}
|
|
})
|
|
t.Run("named", func(t *testing.T) {
|
|
var m M
|
|
Set(&m, "foo", 1)
|
|
Set(&m, "bar", 1)
|
|
Set(&m, "bar", 2)
|
|
want := M{
|
|
"foo": 1,
|
|
"bar": 2,
|
|
}
|
|
if got := m; !reflect.DeepEqual(got, want) {
|
|
t.Errorf("got %v; want %v", got, want)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestNonNil(t *testing.T) {
|
|
var s []string
|
|
NonNil(&s)
|
|
if len(s) != 0 {
|
|
t.Errorf("slice len = %d; want 0", len(s))
|
|
}
|
|
if s == nil {
|
|
t.Error("slice still nil")
|
|
}
|
|
|
|
s = append(s, "foo")
|
|
NonNil(&s)
|
|
if len(s) != 1 {
|
|
t.Errorf("len = %d; want 1", len(s))
|
|
}
|
|
if s[0] != "foo" {
|
|
t.Errorf("value = %q; want foo", s)
|
|
}
|
|
|
|
var m map[string]string
|
|
NonNil(&m)
|
|
if len(m) != 0 {
|
|
t.Errorf("map len = %d; want 0", len(s))
|
|
}
|
|
if m == nil {
|
|
t.Error("map still nil")
|
|
}
|
|
}
|
|
|
|
func TestNonNilMapForJSON(t *testing.T) {
|
|
type M map[string]int
|
|
var m M
|
|
NonNilMapForJSON(&m)
|
|
if m == nil {
|
|
t.Fatal("still nil")
|
|
}
|
|
}
|
|
|
|
func TestNonNilSliceForJSON(t *testing.T) {
|
|
type S []int
|
|
var s S
|
|
NonNilSliceForJSON(&s)
|
|
if s == nil {
|
|
t.Fatal("still nil")
|
|
}
|
|
}
|