87 lines
1.7 KiB
Go
87 lines
1.7 KiB
Go
package main
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import (
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"reflect"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// go test -v homework_test.go
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type CircularQueue struct {
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values []int
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// need to implement
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}
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func NewCircularQueue(size int) CircularQueue {
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return CircularQueue{} // need to implement
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}
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func (q *CircularQueue) Push(value int) bool {
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return false // need to implement
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}
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func (q *CircularQueue) Pop() bool {
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return false // need to implement
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}
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func (q *CircularQueue) Front() int {
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return -1 // need to implement
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}
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func (q *CircularQueue) Back() int {
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return -1 // need to implement
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}
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func (q *CircularQueue) Empty() bool {
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return false // need to implement
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}
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func (q *CircularQueue) Full() bool {
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return false // need to implement
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}
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func TestCircularQueue(t *testing.T) {
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const queueSize = 3
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queue := NewCircularQueue(queueSize)
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assert.True(t, queue.Empty())
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assert.False(t, queue.Full())
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assert.Equal(t, -1, queue.Front())
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assert.Equal(t, -1, queue.Back())
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assert.False(t, queue.Pop())
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assert.True(t, queue.Push(1))
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assert.True(t, queue.Push(2))
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assert.True(t, queue.Push(3))
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assert.False(t, queue.Push(4))
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assert.True(t, reflect.DeepEqual([]int{1, 2, 3}, queue.values))
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assert.False(t, queue.Empty())
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assert.True(t, queue.Full())
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assert.Equal(t, 1, queue.Front())
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assert.Equal(t, 3, queue.Back())
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assert.True(t, queue.Pop())
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assert.False(t, queue.Empty())
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assert.False(t, queue.Full())
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assert.True(t, queue.Push(4))
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assert.True(t, reflect.DeepEqual([]int{4, 2, 3}, queue.values))
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assert.Equal(t, 2, queue.Front())
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assert.Equal(t, 4, queue.Back())
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assert.True(t, queue.Pop())
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assert.True(t, queue.Pop())
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assert.True(t, queue.Pop())
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assert.False(t, queue.Pop())
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assert.True(t, queue.Empty())
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assert.False(t, queue.Full())
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}
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