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https://github.com/tailscale/tailscale.git
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71029cea2d
This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
89 lines
1.5 KiB
Go
89 lines
1.5 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Package mak contains code to help make things.
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package mak
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import (
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"reflect"
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"testing"
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)
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type M map[string]int
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func TestSet(t *testing.T) {
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t.Run("unnamed", func(t *testing.T) {
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var m map[string]int
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Set(&m, "foo", 42)
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Set(&m, "bar", 1)
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Set(&m, "bar", 2)
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want := map[string]int{
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"foo": 42,
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"bar": 2,
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}
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if got := m; !reflect.DeepEqual(got, want) {
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t.Errorf("got %v; want %v", got, want)
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}
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})
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t.Run("named", func(t *testing.T) {
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var m M
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Set(&m, "foo", 1)
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Set(&m, "bar", 1)
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Set(&m, "bar", 2)
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want := M{
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"foo": 1,
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"bar": 2,
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}
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if got := m; !reflect.DeepEqual(got, want) {
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t.Errorf("got %v; want %v", got, want)
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}
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})
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}
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func TestNonNil(t *testing.T) {
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var s []string
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NonNil(&s)
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if len(s) != 0 {
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t.Errorf("slice len = %d; want 0", len(s))
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}
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if s == nil {
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t.Error("slice still nil")
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}
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s = append(s, "foo")
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NonNil(&s)
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if len(s) != 1 {
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t.Errorf("len = %d; want 1", len(s))
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}
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if s[0] != "foo" {
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t.Errorf("value = %q; want foo", s)
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}
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var m map[string]string
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NonNil(&m)
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if len(m) != 0 {
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t.Errorf("map len = %d; want 0", len(s))
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}
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if m == nil {
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t.Error("map still nil")
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}
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}
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func TestNonNilMapForJSON(t *testing.T) {
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type M map[string]int
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var m M
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NonNilMapForJSON(&m)
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if m == nil {
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t.Fatal("still nil")
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}
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}
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func TestNonNilSliceForJSON(t *testing.T) {
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type S []int
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var s S
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NonNilSliceForJSON(&s)
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if s == nil {
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t.Fatal("still nil")
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}
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}
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