mirror of https://github.com/tc39/test262.git
76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
// Copyright (C) 2017 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: |
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Check that an array contains a numeric sequence starting at 1
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and incrementing by 1 for each entry in the array. Used by
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Promise tests to assert the order of execution in deep Promise
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resolution pipelines.
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defines: [checkSequence, checkSettledPromises]
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---*/
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function checkSequence(arr, message) {
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arr.forEach(function(e, i) {
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if (e !== (i+1)) {
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throw new Test262Error((message ? message : "Steps in unexpected sequence:") +
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" '" + arr.join(',') + "'");
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}
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});
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return true;
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}
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function checkSettledPromises(settleds, expected, message) {
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const prefix = message ? `${message}: ` : '';
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assert.sameValue(Array.isArray(settleds), true, `${prefix}Settled values is an array`);
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assert.sameValue(
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settleds.length,
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expected.length,
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`${prefix}The settled values has a different length than expected`
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);
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settleds.forEach((settled, i) => {
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assert.sameValue(
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Object.prototype.hasOwnProperty.call(settled, 'status'),
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true,
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`${prefix}The settled value has a property status`
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);
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assert.sameValue(settled.status, expected[i].status, `${prefix}status for item ${i}`);
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if (settled.status === 'fulfilled') {
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assert.sameValue(
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Object.prototype.hasOwnProperty.call(settled, 'value'),
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true,
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`${prefix}The fulfilled promise has a property named value`
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);
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assert.sameValue(
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Object.prototype.hasOwnProperty.call(settled, 'reason'),
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false,
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`${prefix}The fulfilled promise has no property named reason`
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);
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assert.sameValue(settled.value, expected[i].value, `${prefix}value for item ${i}`);
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} else {
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assert.sameValue(settled.status, 'rejected', `${prefix}Valid statuses are only fulfilled or rejected`);
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assert.sameValue(
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Object.prototype.hasOwnProperty.call(settled, 'value'),
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false,
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`${prefix}The fulfilled promise has no property named value`
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);
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assert.sameValue(
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Object.prototype.hasOwnProperty.call(settled, 'reason'),
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true,
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`${prefix}The fulfilled promise has a property named reason`
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);
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assert.sameValue(settled.reason, expected[i].reason, `${prefix}Reason value for item ${i}`);
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}
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});
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}
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