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// Copyright 2024 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package maps
import (
"testing"
qt "github.com/frankban/quicktest"
)
func TestOrdered(t *testing.T) {
c := qt.New(t)
m := NewOrdered[string, int]()
m.Set("a", 1)
m.Set("b", 2)
m.Set("c", 3)
c.Assert(m.Keys(), qt.DeepEquals, []string{"a", "b", "c"})
c.Assert(m.Values(), qt.DeepEquals, []int{1, 2, 3})
v, found := m.Get("b")
c.Assert(found, qt.Equals, true)
c.Assert(v, qt.Equals, 2)
m.Set("b", 22)
c.Assert(m.Keys(), qt.DeepEquals, []string{"a", "b", "c"})
c.Assert(m.Values(), qt.DeepEquals, []int{1, 22, 3})
m.Delete("b")
c.Assert(m.Keys(), qt.DeepEquals, []string{"a", "c"})
c.Assert(m.Values(), qt.DeepEquals, []int{1, 3})
}
func TestOrderedHash(t *testing.T) {
c := qt.New(t)
m := NewOrdered[string, int]()
m.Set("a", 1)
m.Set("b", 2)
m.Set("c", 3)
h1, err := m.Hash()
c.Assert(err, qt.IsNil)
m.Set("d", 4)
h2, err := m.Hash()
c.Assert(err, qt.IsNil)
c.Assert(h1, qt.Not(qt.Equals), h2)
m = NewOrdered[string, int]()
m.Set("b", 2)
m.Set("a", 1)
m.Set("c", 3)
h3, err := m.Hash()
c.Assert(err, qt.IsNil)
// Order does not matter.
c.Assert(h1, qt.Equals, h3)
}
func TestOrderedNil(t *testing.T) {
c := qt.New(t)
var m *Ordered[string, int]
m.Set("a", 1)
c.Assert(m.Keys(), qt.IsNil)
c.Assert(m.Values(), qt.IsNil)
v, found := m.Get("a")
c.Assert(found, qt.Equals, false)
c.Assert(v, qt.Equals, 0)
m.Delete("a")
var b bool
m.Range(func(k string, v int) bool {
b = true
return true
})
c.Assert(b, qt.Equals, false)
c.Assert(m.Len(), qt.Equals, 0)
c.Assert(m.Clone(), qt.IsNil)
h, err := m.Hash()
c.Assert(err, qt.IsNil)
c.Assert(h, qt.Equals, uint64(0))
}
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