package db

import "testing"

func TestDBPlaceholders(t *testing.T) {
	tests := []struct {
		n    int
		want string
	}{
		{0, ""},
		{1, "?"},
		{3, "?, ?, ?"},
	}
	for _, tt := range tests {
		got := Placeholders(tt.n)
		if got != tt.want {
			t.Errorf("Placeholders(%d) = %q, want %q", tt.n, got, tt.want)
		}
	}
}