Gin-Rummy/Stack_test.go at master · vlmlee/Gin-Rummy · GitHub

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package main

import "testing"

func TestStackInitializes(t *testing.T) {
	deck := Deck{
		{13, "Clubs", "K"},
	}

	stack := deck.InitializeStack()
	if len(stack) != 1 {
		t.Error("Stack did not initialize.")
	}
	return
}

func TestStackTopCard(t *testing.T) {
	deck := Deck{
		{13, "Clubs", "K"},
	}

	stack := deck.InitializeStack()
	if stack.PeekAtStack() != "KC" {
		t.Error("Stack did not return correct card.")
	}

	h := Hand{}
	h.DrawCard(&stack)

	if stack.PeekAtStack() != "No cards in the stack." {
		t.Error("Stack did not notify player that there are no cards in the stack.")
	}

	if !stack.IsEmpty() {
		t.Error("Stack did not notify player that it is empty.")
	}

	_, err := h.DrawCard(&stack)
	if err == nil {
		t.Error("Stack did not throw error when we tried to draw from an empty stack.")
	}
}