| // Copyright 2021 The Go 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 main |
| |
| import ( |
| "a" |
| "bytes" |
| "fmt" |
| ) |
| |
| func TestMap() { |
| m := a.New[[]byte, int](bytes.Compare) |
| |
| if _, found := m.Find([]byte("a")); found { |
| panic(fmt.Sprintf("unexpectedly found %q in empty map", []byte("a"))) |
| } |
| |
| for _, c := range []int{'a', 'c', 'b'} { |
| if !m.Insert([]byte(string(c)), c) { |
| panic(fmt.Sprintf("key %q unexpectedly already present", []byte(string(c)))) |
| } |
| } |
| if m.Insert([]byte("c"), 'x') { |
| panic(fmt.Sprintf("key %q unexpectedly not present", []byte("c"))) |
| } |
| |
| if v, found := m.Find([]byte("a")); !found { |
| panic(fmt.Sprintf("did not find %q", []byte("a"))) |
| } else if v != 'a' { |
| panic(fmt.Sprintf("key %q returned wrong value %c, expected %c", []byte("a"), v, 'a')) |
| } |
| if v, found := m.Find([]byte("c")); !found { |
| panic(fmt.Sprintf("did not find %q", []byte("c"))) |
| } else if v != 'x' { |
| panic(fmt.Sprintf("key %q returned wrong value %c, expected %c", []byte("c"), v, 'x')) |
| } |
| |
| if _, found := m.Find([]byte("d")); found { |
| panic(fmt.Sprintf("unexpectedly found %q", []byte("d"))) |
| } |
| |
| gather := func(it *a.Iterator[[]byte, int]) []int { |
| var r []int |
| for { |
| _, v, ok := it.Next() |
| if !ok { |
| return r |
| } |
| r = append(r, v) |
| } |
| } |
| got := gather(m.Iterate()) |
| want := []int{'a', 'b', 'x'} |
| if !a.SliceEqual(got, want) { |
| panic(fmt.Sprintf("Iterate returned %v, want %v", got, want)) |
| } |
| |
| } |
| |
| func main() { |
| TestMap() |
| } |