company := Company{Name: "first_or_create_if_not_exists_table"}
	if err := DB.Table("not_exists").FirstOrCreate(&company).Error; err == nil {
		t.Errorf("not exists table, but err is nil")
	}
}

func TestFirstOrCreateWithPrimaryKey(t *testing.T) {
	company := Company{ID: 100, Name: "company100_with_primarykey"}
	DB.FirstOrCreate(&company)

	if company.ID != 100 {
		t.Errorf("invalid primary key after creating, got %v", company.ID)