Delete stack_test.go
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package stack
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import (
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"testing"
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)
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func Test(t *testing.T) {
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s := New()
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if s.Len() != 0 {
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t.Errorf("Length of an empty stack should be 0")
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}
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s.Push(1)
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if s.Len() != 1 {
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t.Errorf("Length should be 0")
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}
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if s.Peek().(int) != 1 {
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t.Errorf("Top item on the stack should be 1")
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}
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if s.Pop().(int) != 1 {
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t.Errorf("Top item should have been 1")
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}
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if s.Len() != 0 {
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t.Errorf("Stack should be empty")
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}
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s.Push(1)
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s.Push(2)
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if s.Len() != 2 {
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t.Errorf("Length should be 2")
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}
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if s.Peek().(int) != 2 {
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t.Errorf("Top of the stack should be 2")
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}
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}
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