package monetix

import "testing"

func TestMaskPAN(t *testing.T) {
	cases := []struct {
		input    string
		expected string
	}{
		{input: "1234", expected: "****"},
		{input: "1234567890", expected: "12******90"},
		{input: "1234567890123456", expected: "123456******3456"},
	}

	for _, tc := range cases {
		t.Run(tc.input, func(t *testing.T) {
			got := MaskPAN(tc.input)
			if got != tc.expected {
				t.Fatalf("expected %q, got %q", tc.expected, got)
			}
		})
	}
}