reflect-getmetadatakeys.js
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// 4.1.8 Reflect.getMetadataKeys ( target [, propertyKey] )
// https://rbuckton.github.io/reflect-metadata/#reflect.getmetadatakeys
"use strict";
require("../Reflect");
var chai_1 = require("chai");
describe("Reflect.getMetadataKeys", function () {
it("KeysInvalidTarget", function () {
// 1. If Type(target) is not Object, throw a TypeError exception.
chai_1.assert.throws(function () { return Reflect.getMetadataKeys(undefined, undefined); }, TypeError);
});
it("KeysWithoutTargetKeyWhenNotDefined", function () {
var obj = {};
var result = Reflect.getMetadataKeys(obj, undefined);
chai_1.assert.deepEqual(result, []);
});
it("KeysWithoutTargetKeyWhenDefined", function () {
var obj = {};
Reflect.defineMetadata("key", "value", obj, undefined);
var result = Reflect.getMetadataKeys(obj, undefined);
chai_1.assert.deepEqual(result, ["key"]);
});
it("KeysWithoutTargetKeyWhenDefinedOnPrototype", function () {
var prototype = {};
var obj = Object.create(prototype);
Reflect.defineMetadata("key", "value", prototype, undefined);
var result = Reflect.getMetadataKeys(obj, undefined);
chai_1.assert.deepEqual(result, ["key"]);
});
it("KeysOrderWithoutTargetKey", function () {
var obj = {};
Reflect.defineMetadata("key1", "value", obj, undefined);
Reflect.defineMetadata("key0", "value", obj, undefined);
var result = Reflect.getMetadataKeys(obj, undefined);
chai_1.assert.deepEqual(result, ["key1", "key0"]);
});
it("KeysOrderAfterRedefineWithoutTargetKey", function () {
var obj = {};
Reflect.defineMetadata("key1", "value", obj, undefined);
Reflect.defineMetadata("key0", "value", obj, undefined);
Reflect.defineMetadata("key1", "value", obj, undefined);
var result = Reflect.getMetadataKeys(obj, undefined);
chai_1.assert.deepEqual(result, ["key1", "key0"]);
});
it("KeysOrderWithoutTargetKeyWhenDefinedOnPrototype", function () {
var prototype = {};
Reflect.defineMetadata("key2", "value", prototype, undefined);
var obj = Object.create(prototype);
Reflect.defineMetadata("key1", "value", obj, undefined);
Reflect.defineMetadata("key0", "value", obj, undefined);
var result = Reflect.getMetadataKeys(obj, undefined);
chai_1.assert.deepEqual(result, ["key1", "key0", "key2"]);
});
it("KeysWithTargetKeyWhenNotDefined", function () {
var obj = {};
var result = Reflect.getMetadataKeys(obj, "name");
chai_1.assert.deepEqual(result, []);
});
it("KeysWithTargetKeyWhenDefined", function () {
var obj = {};
Reflect.defineMetadata("key", "value", obj, "name");
var result = Reflect.getMetadataKeys(obj, "name");
chai_1.assert.deepEqual(result, ["key"]);
});
it("KeysWithTargetKeyWhenDefinedOnPrototype", function () {
var prototype = {};
var obj = Object.create(prototype);
Reflect.defineMetadata("key", "value", prototype, "name");
var result = Reflect.getMetadataKeys(obj, "name");
chai_1.assert.deepEqual(result, ["key"]);
});
it("KeysOrderAfterRedefineWithTargetKey", function () {
var obj = {};
Reflect.defineMetadata("key1", "value", obj, "name");
Reflect.defineMetadata("key0", "value", obj, "name");
Reflect.defineMetadata("key1", "value", obj, "name");
var result = Reflect.getMetadataKeys(obj, "name");
chai_1.assert.deepEqual(result, ["key1", "key0"]);
});
it("KeysOrderWithTargetKeyWhenDefinedOnPrototype", function () {
var prototype = {};
Reflect.defineMetadata("key2", "value", prototype, "name");
var obj = Object.create(prototype);
Reflect.defineMetadata("key1", "value", obj, "name");
Reflect.defineMetadata("key0", "value", obj, "name");
var result = Reflect.getMetadataKeys(obj, "name");
chai_1.assert.deepEqual(result, ["key1", "key0", "key2"]);
});
});
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