Query<T0>.Test

Parameters

Returns

bool True if the object passes the query, returns false otherwise.

Description

Tests the query on a single object. Returns true if the test passes.

using System.Collections.Generic;
using UnityEditor;
using UnityEditor.Search;
using UnityEngine;

static class Example_Query_Test
{
    static List<MyObjectType> s_Data;

    [MenuItem("Examples/Query/Test")]
    public static void RunExample()
    {
        // Set up the query engine
        var queryEngine = new QueryEngine<MyObjectType>();
        queryEngine.AddFilter("id", myObj => myObj.id);
        queryEngine.SetSearchDataCallback(myObj => new[] { myObj.id.ToString(), myObj.name });

        s_Data = new List<MyObjectType>()
        {
            new MyObjectType { id = 0, name = "Test 1", position = new Vector2(0, 0), active = false },
            new MyObjectType { id = 1, name = "Test 2", position = new Vector2(0, 1), active = true }
        };

        // Test if a single element passes the query.
        var query = queryEngine.Parse("id=1");
        var success = query.Test(s_Data[0]);
        Debug.Assert(!success, $"Test 1 should not pass the test.");
        success = query.Test(s_Data[1]);
        Debug.Assert(success, $"Test 2 should pass the test.");
    }

    class MyObjectType
    {
        public int id { get; set; }
        public string name { get; set; } = string.Empty;
        public Vector2 position { get; set; } = Vector2.zero;
        public bool active { get; set; }

        public override string ToString()
        {
            return $"({id}, {name}, ({position.x}, {position.y}), {active})";
        }
    }
}