Function TestStack

txscript/stack_test.go:48–950

TestStack tests that all of the stack operations work as expected.

(t *testing.T)

// TestStack tests that all of the stack operations work as expected.
func TestStack(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name      string
		before    [][]byte
		operation func(*stack) error
		err       error
		after     [][]byte
	}{
		{
			"noop",
			[][]byte{{1}, {2}, {3}, {4}, {5}},
			func(s *stack) error {
				return nil
			},
			nil,
			[][]byte{{1}, {2}, {3}, {4}, {5}},
		},
		{
			"peek underflow (byte)",
			[][]byte{{1}, {2}, {3}, {4}, {5}},
			func(s *stack) error {
				_, err := s.PeekByteArray(5)
				return err
			},
			scriptError(ErrInvalidStackOperation, ""),
			nil,
		},
		{
			"peek underflow (int)",
			[][]byte{{1}, {2}, {3}, {4}, {5}},
			func(s *stack) error {
				_, err := s.PeekInt(5)
				return err
			},
			scriptError(ErrInvalidStackOperation, ""),
			nil,
		},
		{
			"peek underflow (bool)",
			[][]byte{{1}, {2}, {3}, {4}, {5}},
			func(s *stack) error {
				_, err := s.PeekBool(5)
				return err
			},
			scriptError(ErrInvalidStackOperation, ""),
			nil,
		},
		{
			"pop",
			[][]byte{{1}, {2}, {3}, {4}, {5}},
			func(s *stack) error {
				val, err := s.PopByteArray()
				if err != nil {
					return err
				}
				if !bytes.Equal(val, []byte{5}) {