38 lines
1.4 KiB
TypeScript
38 lines
1.4 KiB
TypeScript
// Reflect.deleteMetadata ( metadataKey, target [, propertyKey] )
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// - https://github.com/jonathandturner/decorators/blob/master/specs/metadata.md#reflectdeletemetadata--metadatakey-target--propertykey-
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import "../../Reflect";
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import * as assert from "assert";
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export function ReflectDeleteMetadataInvalidTarget() {
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assert.throws(() => Reflect.deleteMetadata("key", undefined, undefined), TypeError);
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}
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export function ReflectDeleteMetadataWhenNotDefinedWithoutTargetKey() {
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let obj = {};
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let result = Reflect.deleteMetadata("key", obj, undefined);
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assert.equal(result, false);
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}
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export function ReflectDeleteMetadataWhenDefinedWithoutTargetKey() {
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let obj = {};
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Reflect.defineMetadata("key", "value", obj, undefined);
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let result = Reflect.deleteMetadata("key", obj, undefined);
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assert.equal(result, true);
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}
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export function ReflectDeleteMetadataWhenDefinedOnPrototypeWithoutTargetKey() {
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let prototype = {};
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Reflect.defineMetadata("key", "value", prototype, undefined);
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let obj = Object.create(prototype);
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let result = Reflect.deleteMetadata("key", obj, undefined);
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assert.equal(result, false);
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}
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export function ReflectHasOwnMetadataAfterDeleteMetadata() {
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let obj = {};
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Reflect.defineMetadata("key", "value", obj, undefined);
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Reflect.deleteMetadata("key", obj, undefined);
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let result = Reflect.hasOwnMetadata("key", obj, undefined);
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assert.equal(result, false);
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} |