mirror of
https://github.com/duke-git/lancet.git
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81 lines
1.5 KiB
Go
81 lines
1.5 KiB
Go
package datastructure
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import (
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"testing"
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"github.com/duke-git/lancet/v2/internal"
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)
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func TestLinkedStack_Push(t *testing.T) {
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assert := internal.NewAssert(t, "TestLinkedStack_Push")
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stack := NewLinkedStack[int]()
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stack.Push(1)
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stack.Push(2)
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stack.Push(3)
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stack.Print()
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expected := []int{3, 2, 1}
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values := stack.Data()
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size := stack.Size()
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assert.Equal(expected, values)
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assert.Equal(3, size)
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}
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func TestLinkedStack_Pop(t *testing.T) {
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assert := internal.NewAssert(t, "TestLinkedStack_Pop")
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stack := NewLinkedStack[int]()
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_, err := stack.Pop()
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assert.IsNotNil(err)
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stack.Push(1)
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stack.Push(2)
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stack.Push(3)
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topItem, err := stack.Pop()
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assert.IsNil(err)
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assert.Equal(3, *topItem)
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expected := []int{2, 1}
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stack.Print()
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assert.Equal(expected, stack.Data())
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}
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func TestLinkedStack_Peak(t *testing.T) {
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assert := internal.NewAssert(t, "TestLinkedStack_Peak")
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stack := NewLinkedStack[int]()
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_, err := stack.Peak()
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assert.IsNotNil(err)
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stack.Push(1)
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stack.Push(2)
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stack.Push(3)
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topItem, err := stack.Peak()
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assert.IsNil(err)
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assert.Equal(3, *topItem)
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expected := []int{3, 2, 1}
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assert.Equal(expected, stack.Data())
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}
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func TestLinkedStack_Empty(t *testing.T) {
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assert := internal.NewAssert(t, "TestLinkedStack_Empty")
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stack := NewLinkedStack[int]()
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assert.Equal(true, stack.IsEmpty())
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assert.Equal(0, stack.Size())
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stack.Push(1)
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assert.Equal(false, stack.IsEmpty())
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assert.Equal(1, stack.Size())
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stack.Clear()
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assert.Equal(true, stack.IsEmpty())
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assert.Equal(0, stack.Size())
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}
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