Пример #1
0
        public void Returns_top_value_on_not_empty_stack()
        {
            var stack = Stack.Empty.Push(3).Push(17);

            Assert.AreEqual(17, stack.Peek());
            StackAssert.AreEqual(stack, 17, 3);
        }
Пример #2
0
        public void true_adds_1_to_top()
        {
            var stack = Stack
                        .Empty
                        .Push(true);

            StackAssert.AreEqual(stack, 1);
        }
Пример #3
0
        public void false_adds_0_to_top()
        {
            var stack = Stack
                        .Empty
                        .Push(false);

            StackAssert.AreEqual(stack, 0);
        }
Пример #4
0
        public void integer_adds_value_to_top()
        {
            var stack = Stack
                        .Empty
                        .Push(42);

            StackAssert.AreEqual(stack, 42);
        }
Пример #5
0
        public void adds_copy_top_value_to_top()
        {
            var stack = Stack
                        .Empty
                        .Push(42)
                        .Duplicate();

            StackAssert.AreEqual(stack, 42, 42);
        }
Пример #6
0
        public void top_value_not_zero_becomes_0()
        {
            var stack = Stack
                        .Empty
                        .Push(42)
                        .Not();

            StackAssert.AreEqual(stack, 0);
        }
Пример #7
0
        public void top_value_0_becomes_1()
        {
            var stack = Stack
                        .Empty
                        .Push(0)
                        .Not();

            StackAssert.AreEqual(stack, 1);
        }
Пример #8
0
        public void pops_top_values_and_pushes_subtraction()
        {
            var stack = Stack
                        .Empty
                        .Push(17)
                        .Push(25)
                        .Subtract();

            StackAssert.AreEqual(stack, -8);
        }
Пример #9
0
        public void with_negative_value_pops_top_values_and_pushes_modulo()
        {
            var stack = Stack
                        .Empty
                        .Push(42)
                        .Push(-11)
                        .Modulo();

            StackAssert.AreEqual(stack, 9);
        }
Пример #10
0
        public void with_postive_value_pops_top_values_and_pushes_modulo()
        {
            var stack = Stack
                        .Empty
                        .Push(-42)
                        .Push(5)
                        .Modulo();

            StackAssert.AreEqual(stack, 3);
        }
Пример #11
0
        public void pops_top_values_and_pushes_division()
        {
            var stack = Stack
                        .Empty
                        .Push(42)
                        .Push(14)
                        .Divide();

            StackAssert.AreEqual(stack, 3);
        }
Пример #12
0
        public void pops_top_values_and_pushes_product()
        {
            var stack = Stack
                        .Empty
                        .Push(17)
                        .Push(25)
                        .Multiply();

            StackAssert.AreEqual(stack, 425);
        }
Пример #13
0
        public void pops_top_values_and_pushes_0_as_second_was_not_greater()
        {
            var stack = Stack
                        .Empty
                        .Push(42)
                        .Push(42)
                        .Greater();

            StackAssert.AreEqual(stack, 0);
        }
Пример #14
0
        public void pops_top_values_and_pushes_sum()
        {
            var stack = Stack
                        .Empty
                        .Push(17)
                        .Push(25)
                        .Add();

            StackAssert.AreEqual(stack, 42);
        }
Пример #15
0
        public void With_zero_rolls_keeps_same_order()
        {
            var stack = Stack.Empty
                        .Push(42)
                        .Push(17)
                        .Push(2)
                        .Push(0)
                        .Roll();

            StackAssert.AreEqual(stack, 17, 42);
        }
Пример #16
0
        public void Iterates_from_top_to_bottom()
        {
            var stack = Stack.Empty
                        .Push(0)
                        .Push(1)
                        .Push(2)
                        .Push(3)
                        .Push(4)
                        .Push(5);

            StackAssert.AreEqual(stack, 5, 4, 3, 2, 1, 0);
        }
Пример #17
0
        public void With_negative_rolls_moves_items_within_depth_range_down()
        {
            var stack = Stack
                        .Empty
                        .Push(666)
                        .Push(69)
                        .Push(17)
                        .Push(42)
                        .Push(3)
                        .Push(-1)
                        .Roll();

            StackAssert.AreEqual(stack, 69, 42, 17, 666);
        }
Пример #18
0
        public void Removes_top_item_from_not_empty_stack()
        {
            var stack = Stack.Empty.Push(3).Push(17).Pop();

            StackAssert.AreEqual(stack, 3);
        }