// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

package validator

import (
	"testing"
)

func TestCustom(t *testing.T) {
	validator := Custom(ErrorCodeCustom, "value must be positive", func(value any) bool {
		if num, ok := value.(int); ok {
			return num > 0
		}
		return false
	})

	tests := []struct {
		name      string
		value     any
		wantError bool
	}{
		{"valid positive", 5, false},
		{"invalid zero", 0, true},
		{"invalid negative", -5, true},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := validator(tt.value)
			if (err != nil) != tt.wantError {
				t.Errorf("Custom() error = %v, wantError %v", err, tt.wantError)
			}
		})
	}
}