e5d578a849
Disable the confirmation dialog when deleting files in the VS Code explorer to streamline the development workflow and reduce friction during file management operations.
69 lines
2.3 KiB
JavaScript
69 lines
2.3 KiB
JavaScript
'use strict';
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var test = require('tape');
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var getProto = require('../');
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test('getProto', function (t) {
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t.equal(typeof getProto, 'function', 'is a function');
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t.test('can get', { skip: !getProto }, function (st) {
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if (getProto) { // TS doesn't understand tape's skip
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var proto = { b: 2 };
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st.equal(getProto(proto), Object.prototype, 'proto: returns the [[Prototype]]');
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st.test('nullish value', function (s2t) {
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// @ts-expect-error
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s2t['throws'](function () { return getProto(undefined); }, TypeError, 'undefined is not an object');
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// @ts-expect-error
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s2t['throws'](function () { return getProto(null); }, TypeError, 'null is not an object');
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s2t.end();
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});
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// @ts-expect-error
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st['throws'](function () { getProto(true); }, 'throws for true');
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// @ts-expect-error
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st['throws'](function () { getProto(false); }, 'throws for false');
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// @ts-expect-error
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st['throws'](function () { getProto(42); }, 'throws for 42');
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// @ts-expect-error
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st['throws'](function () { getProto(NaN); }, 'throws for NaN');
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// @ts-expect-error
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st['throws'](function () { getProto(0); }, 'throws for +0');
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// @ts-expect-error
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st['throws'](function () { getProto(-0); }, 'throws for -0');
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// @ts-expect-error
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st['throws'](function () { getProto(Infinity); }, 'throws for ∞');
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// @ts-expect-error
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st['throws'](function () { getProto(-Infinity); }, 'throws for -∞');
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// @ts-expect-error
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st['throws'](function () { getProto(''); }, 'throws for empty string');
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// @ts-expect-error
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st['throws'](function () { getProto('foo'); }, 'throws for non-empty string');
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st.equal(getProto(/a/g), RegExp.prototype);
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st.equal(getProto(new Date()), Date.prototype);
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st.equal(getProto(function () {}), Function.prototype);
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st.equal(getProto([]), Array.prototype);
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st.equal(getProto({}), Object.prototype);
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var nullObject = { __proto__: null };
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if ('toString' in nullObject) {
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st.comment('no null objects in this engine');
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st.equal(getProto(nullObject), Object.prototype, '"null" object has Object.prototype as [[Prototype]]');
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} else {
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st.equal(getProto(nullObject), null, 'null object has null [[Prototype]]');
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}
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}
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st.end();
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});
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t.test('can not get', { skip: !!getProto }, function (st) {
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st.equal(getProto, null);
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st.end();
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});
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t.end();
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});
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