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gods/containers/containers_test.go

78 lines
1.7 KiB
Go

// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// All data structures must implement the container structure
package containers
import (
"cmp"
"fmt"
"strings"
"testing"
)
// For testing purposes
type ContainerTest[T any] struct {
values []T
}
func (container ContainerTest[T]) Empty() bool {
return len(container.values) == 0
}
func (container ContainerTest[T]) Size() int {
return len(container.values)
}
func (container ContainerTest[T]) Clear() {
container.values = []T{}
}
func (container ContainerTest[T]) Values() []T {
return container.values
}
func (container ContainerTest[T]) String() string {
str := "ContainerTest\n"
var values []string
for _, value := range container.values {
values = append(values, fmt.Sprintf("%v", value))
}
str += strings.Join(values, ", ")
return str
}
func TestGetSortedValuesInts(t *testing.T) {
container := ContainerTest[int]{}
GetSortedValues(container)
container.values = []int{5, 1, 3, 2, 4}
values := GetSortedValues(container)
for i := 1; i < container.Size(); i++ {
if values[i-1] > values[i] {
t.Errorf("Not sorted!")
}
}
}
type NotInt struct {
i int
}
func TestGetSortedValuesNotInts(t *testing.T) {
container := ContainerTest[NotInt]{}
GetSortedValuesFunc(container, func(x, y NotInt) int {
return cmp.Compare(x.i, y.i)
})
container.values = []NotInt{{5}, {1}, {3}, {2}, {4}}
values := GetSortedValuesFunc(container, func(x, y NotInt) int {
return cmp.Compare(x.i, y.i)
})
for i := 1; i < container.Size(); i++ {
if values[i-1].i > values[i].i {
t.Errorf("Not sorted!")
}
}
}