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node_modules/es5-ext/test/promise/lazy.js 1.15 KB
aaac7fed   liuqimichale   add
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  "use strict";
  
  module.exports = function (t) {
  	if (typeof Promise !== "function") return null; // Run tests only in ES2015+ env
  
  	return {
  		"Delays execution": function (a, d) {
  			var invoked = false;
  			var promise = t(function (resolve) {
  				invoked = true;
  				setTimeout(function () {
  					resolve(20);
  				}, 10);
  			});
  
  			a(invoked, false);
  
  			setTimeout(function () {
  				a(invoked, false);
  				promise.then(function (value) {
  					a(value, 20);
  					setTimeout(d, 0); // Escape error swallowing
  				});
  				a(invoked, true);
  			}, 15);
  		},
  		"Passes rejection": function (a, d) {
  			var promise = t(function (resolve, reject) {
  				setTimeout(function () {
  					reject(new Error("Stop"));
  				}, 10);
  			});
  
  			promise.catch(function (error) {
  				a(error instanceof Error, true);
  				a(error.message, "Stop");
  				setTimeout(d, 0); // Escape error swallowing
  			});
  		},
  		"Passes sync exception": function (a, d) {
  			var promise = t(function () {
  				throw new Error("Stop");
  			});
  
  			promise.catch(function (error) {
  				a(error instanceof Error, true);
  				a(error.message, "Stop");
  				setTimeout(d, 0); // Escape error swallowing
  			});
  		}
  	};
  };