123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111 |
- 'use strict';
- var test = require('tape');
- var isTypedArray = require('../');
- var isCallable = require('is-callable');
- var hasToStringTag = require('has-tostringtag/shams')();
- var generators = require('make-generator-function')();
- var arrowFn = require('make-arrow-function')();
- var forEach = require('for-each');
- var inspect = require('object-inspect');
- var typedArrayNames = [
- 'Int8Array',
- 'Uint8Array',
- 'Uint8ClampedArray',
- 'Int16Array',
- 'Uint16Array',
- 'Int32Array',
- 'Uint32Array',
- 'Float32Array',
- 'Float64Array',
- 'BigInt64Array',
- 'BigUint64Array'
- ];
- test('not arrays', function (t) {
- t.test('non-number/string primitives', function (st) {
- // @ts-expect-error Expected 1 arguments, but got 0.ts(2554)
- st.notOk(isTypedArray(), 'undefined is not typed array');
- st.notOk(isTypedArray(null), 'null is not typed array');
- st.notOk(isTypedArray(false), 'false is not typed array');
- st.notOk(isTypedArray(true), 'true is not typed array');
- st.end();
- });
- t.notOk(isTypedArray({}), 'object is not typed array');
- t.notOk(isTypedArray(/a/g), 'regex literal is not typed array');
- t.notOk(isTypedArray(new RegExp('a', 'g')), 'regex object is not typed array');
- t.notOk(isTypedArray(new Date()), 'new Date() is not typed array');
- t.test('numbers', function (st) {
- st.notOk(isTypedArray(42), 'number is not typed array');
- st.notOk(isTypedArray(Object(42)), 'number object is not typed array');
- st.notOk(isTypedArray(NaN), 'NaN is not typed array');
- st.notOk(isTypedArray(Infinity), 'Infinity is not typed array');
- st.end();
- });
- t.test('strings', function (st) {
- st.notOk(isTypedArray('foo'), 'string primitive is not typed array');
- st.notOk(isTypedArray(Object('foo')), 'string object is not typed array');
- st.end();
- });
- t.end();
- });
- test('Functions', function (t) {
- t.notOk(isTypedArray(function () {}), 'function is not typed array');
- t.end();
- });
- test('Generators', { skip: generators.length === 0 }, function (t) {
- forEach(generators, function (genFn) {
- t.notOk(isTypedArray(genFn), 'generator function ' + inspect(genFn) + ' is not typed array');
- });
- t.end();
- });
- test('Arrow functions', { skip: !arrowFn }, function (t) {
- t.notOk(isTypedArray(arrowFn), 'arrow function is not typed array');
- t.end();
- });
- test('@@toStringTag', { skip: !hasToStringTag }, function (t) {
- forEach(typedArrayNames, function (typedArray) {
- // @ts-expect-error
- if (typeof global[typedArray] === 'function') {
- // @ts-expect-error
- var fakeTypedArray = [];
- // @ts-expect-error
- fakeTypedArray[Symbol.toStringTag] = typedArray;
- // @ts-expect-error
- t.notOk(isTypedArray(fakeTypedArray), 'faked ' + typedArray + ' is not typed array');
- } else {
- t.comment('# SKIP ' + typedArray + ' is not supported');
- }
- });
- t.end();
- });
- test('non-Typed Arrays', function (t) {
- t.notOk(isTypedArray([]), '[] is not typed array');
- t.end();
- });
- /** @typedef {Int8ArrayConstructor | Uint8ArrayConstructor | Uint8ClampedArrayConstructor | Int16ArrayConstructor | Uint16ArrayConstructor | Int32ArrayConstructor | Uint32ArrayConstructor | Float32ArrayConstructor | Float64ArrayConstructor | BigInt64ArrayConstructor | BigUint64ArrayConstructor} TypedArrayConstructor */
- test('Typed Arrays', function (t) {
- forEach(typedArrayNames, function (typedArray) {
- // @ts-expect-error
- /** @type {TypedArrayConstructor} */ var TypedArray = global[typedArray];
- if (isCallable(TypedArray)) {
- var arr = new TypedArray(10);
- t.ok(isTypedArray(arr), 'new ' + typedArray + '(10) is typed array');
- } else {
- t.comment('# SKIP ' + typedArray + ' is not supported');
- }
- });
- t.end();
- });
|