package receipt

import "testing"

func TestParseAmountCents(t *testing.T) {
	ok := []struct {
		in   string
		want int64
	}{
		{"12.34", 1234},
		{"0.99", 99},
		{"100", 10000},
		{"12.3", 1230},
		{"12", 1200},
		{"1234.00", 123400},
		{"$12.34", 1234},
		{" 12.34 ", 1234},
		{"1,234.56", 123456},
	}
	for _, tc := range ok {
		got, err := ParseAmountCents(tc.in)
		if err != nil {
			t.Errorf("ParseAmountCents(%q) unexpected error: %v", tc.in, err)
			continue
		}
		if got != tc.want {
			t.Errorf("ParseAmountCents(%q) = %d, want %d", tc.in, got, tc.want)
		}
	}

	bad := []string{"", "abc", "12.345", "-5.00", "0", "0.00", "12.3.4", "."}
	for _, in := range bad {
		if _, err := ParseAmountCents(in); err == nil {
			t.Errorf("ParseAmountCents(%q) expected error, got nil", in)
		}
	}
}