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| 1 | +// Copyright 2024 The NATS Authors |
| 2 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 3 | +// you may not use this file except in compliance with the License. |
| 4 | +// You may obtain a copy of the License at |
| 5 | +// |
| 6 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 7 | +// |
| 8 | +// Unless required by applicable law or agreed to in writing, software |
| 9 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 10 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 11 | +// See the License for the specific language governing permissions and |
| 12 | +// limitations under the License. |
| 13 | + |
| 14 | +package syncx |
| 15 | + |
| 16 | +import ( |
| 17 | + "testing" |
| 18 | +) |
| 19 | + |
| 20 | +func TestMapLoad(t *testing.T) { |
| 21 | + var m Map[int, string] |
| 22 | + m.Store(1, "one") |
| 23 | + |
| 24 | + v, ok := m.Load(1) |
| 25 | + if !ok || v != "one" { |
| 26 | + t.Errorf("Load(1) = %v, %v; want 'one', true", v, ok) |
| 27 | + } |
| 28 | + |
| 29 | + v, ok = m.Load(2) |
| 30 | + if ok || v != "" { |
| 31 | + t.Errorf("Load(2) = %v, %v; want '', false", v, ok) |
| 32 | + } |
| 33 | +} |
| 34 | + |
| 35 | +func TestMapStore(t *testing.T) { |
| 36 | + var m Map[int, string] |
| 37 | + m.Store(1, "one") |
| 38 | + |
| 39 | + v, ok := m.Load(1) |
| 40 | + if !ok || v != "one" { |
| 41 | + t.Errorf("Load(1) after Store(1, 'one') = %v, %v; want 'one', true", v, ok) |
| 42 | + } |
| 43 | +} |
| 44 | + |
| 45 | +func TestMapDelete(t *testing.T) { |
| 46 | + var m Map[int, string] |
| 47 | + m.Store(1, "one") |
| 48 | + m.Delete(1) |
| 49 | + |
| 50 | + v, ok := m.Load(1) |
| 51 | + if ok || v != "" { |
| 52 | + t.Errorf("Load(1) after Delete(1) = %v, %v; want '', false", v, ok) |
| 53 | + } |
| 54 | +} |
| 55 | + |
| 56 | +func TestMapRange(t *testing.T) { |
| 57 | + var m Map[int, string] |
| 58 | + m.Store(1, "one") |
| 59 | + m.Store(2, "two") |
| 60 | + |
| 61 | + var keys []int |
| 62 | + var values []string |
| 63 | + m.Range(func(key int, value string) bool { |
| 64 | + keys = append(keys, key) |
| 65 | + values = append(values, value) |
| 66 | + return true |
| 67 | + }) |
| 68 | + |
| 69 | + if len(keys) != 2 || len(values) != 2 { |
| 70 | + t.Errorf("Range() keys = %v, values = %v; want 2 keys and 2 values", keys, values) |
| 71 | + } |
| 72 | +} |
| 73 | + |
| 74 | +func TestMapLoadOrStore(t *testing.T) { |
| 75 | + var m Map[int, string] |
| 76 | + |
| 77 | + v, loaded := m.LoadOrStore(1, "one") |
| 78 | + if loaded || v != "one" { |
| 79 | + t.Errorf("LoadOrStore(1, 'one') = %v, %v; want 'one', false", v, loaded) |
| 80 | + } |
| 81 | + |
| 82 | + v, loaded = m.LoadOrStore(1, "uno") |
| 83 | + if !loaded || v != "one" { |
| 84 | + t.Errorf("LoadOrStore(1, 'uno') = %v, %v; want 'one', true", v, loaded) |
| 85 | + } |
| 86 | +} |
| 87 | + |
| 88 | +func TestMapLoadAndDelete(t *testing.T) { |
| 89 | + var m Map[int, string] |
| 90 | + m.Store(1, "one") |
| 91 | + |
| 92 | + v, ok := m.LoadAndDelete(1) |
| 93 | + if !ok || v != "one" { |
| 94 | + t.Errorf("LoadAndDelete(1) = %v, %v; want 'one', true", v, ok) |
| 95 | + } |
| 96 | + |
| 97 | + v, ok = m.Load(1) |
| 98 | + if ok || v != "" { |
| 99 | + t.Errorf("Load(1) after LoadAndDelete(1) = %v, %v; want '', false", v, ok) |
| 100 | + } |
| 101 | + |
| 102 | + // Test that LoadAndDelete on a missing key returns the zero value. |
| 103 | + v, ok = m.LoadAndDelete(2) |
| 104 | + if ok || v != "" { |
| 105 | + t.Errorf("LoadAndDelete(2) = %v, %v; want '', false", v, ok) |
| 106 | + } |
| 107 | +} |
| 108 | + |
| 109 | +func TestMapCompareAndSwap(t *testing.T) { |
| 110 | + var m Map[int, string] |
| 111 | + m.Store(1, "one") |
| 112 | + |
| 113 | + ok := m.CompareAndSwap(1, "one", "uno") |
| 114 | + if !ok { |
| 115 | + t.Errorf("CompareAndSwap(1, 'one', 'uno') = false; want true") |
| 116 | + } |
| 117 | + |
| 118 | + v, _ := m.Load(1) |
| 119 | + if v != "uno" { |
| 120 | + t.Errorf("Load(1) after CompareAndSwap = %v; want 'uno'", v) |
| 121 | + } |
| 122 | +} |
| 123 | + |
| 124 | +func TestMapCompareAndDelete(t *testing.T) { |
| 125 | + var m Map[int, string] |
| 126 | + m.Store(1, "one") |
| 127 | + |
| 128 | + ok := m.CompareAndDelete(1, "one") |
| 129 | + if !ok { |
| 130 | + t.Errorf("CompareAndDelete(1, 'one') = false; want true") |
| 131 | + } |
| 132 | + |
| 133 | + v, _ := m.Load(1) |
| 134 | + if v != "" { |
| 135 | + t.Errorf("Load(1) after CompareAndDelete = %v; want ''", v) |
| 136 | + } |
| 137 | +} |
| 138 | + |
| 139 | +func TestMapSwap(t *testing.T) { |
| 140 | + var m Map[int, string] |
| 141 | + m.Store(1, "one") |
| 142 | + |
| 143 | + v, loaded := m.Swap(1, "uno") |
| 144 | + if !loaded || v != "one" { |
| 145 | + t.Errorf("Swap(1, 'uno') = %v, %v; want 'one', true", v, loaded) |
| 146 | + } |
| 147 | + |
| 148 | + v, _ = m.Load(1) |
| 149 | + if v != "uno" { |
| 150 | + t.Errorf("Load(1) after Swap = %v; want 'uno'", v) |
| 151 | + } |
| 152 | +} |
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