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- 'use strict';
- var test = require('tape');
- var typedArrayLength = require('../');
- var isCallable = require('is-callable');
- var generators = require('make-generator-function')();
- var arrowFn = require('make-arrow-function')();
- var forEach = require('for-each');
- var inspect = require('object-inspect');
- var typedArrayNames = require('possible-typed-array-names');
- test('not arrays', function (t) {
- t.test('non-number/string primitives', function (st) {
- // @ts-expect-error
- st.equal(false, typedArrayLength(), 'undefined is not typed array');
- st.equal(false, typedArrayLength(null), 'null is not typed array');
- st.equal(false, typedArrayLength(false), 'false is not typed array');
- st.equal(false, typedArrayLength(true), 'true is not typed array');
- st.end();
- });
- t.equal(false, typedArrayLength({}), 'object is not typed array');
- t.equal(false, typedArrayLength(/a/g), 'regex literal is not typed array');
- t.equal(false, typedArrayLength(new RegExp('a', 'g')), 'regex object is not typed array');
- t.equal(false, typedArrayLength(new Date()), 'new Date() is not typed array');
- t.test('numbers', function (st) {
- st.equal(false, typedArrayLength(42), 'number is not typed array');
- st.equal(false, typedArrayLength(Object(42)), 'number object is not typed array');
- st.equal(false, typedArrayLength(NaN), 'NaN is not typed array');
- st.equal(false, typedArrayLength(Infinity), 'Infinity is not typed array');
- st.end();
- });
- t.test('strings', function (st) {
- st.equal(false, typedArrayLength('foo'), 'string primitive is not typed array');
- st.equal(false, typedArrayLength(Object('foo')), 'string object is not typed array');
- st.end();
- });
- t.end();
- });
- test('Functions', function (t) {
- t.equal(false, typedArrayLength(function () {}), 'function is not typed array');
- t.end();
- });
- test('Generators', { skip: generators.length === 0 }, function (t) {
- forEach(generators, function (genFn) {
- t.equal(false, typedArrayLength(genFn), 'generator function ' + inspect(genFn) + ' is not typed array');
- });
- t.end();
- });
- test('Arrow functions', { skip: !arrowFn }, function (t) {
- t.equal(false, typedArrayLength(arrowFn), 'arrow function is not typed array');
- t.end();
- });
- test('Typed Arrays', function (t) {
- forEach(typedArrayNames, function (typedArray) {
- /** @type {Int8ArrayConstructor | Uint8ArrayConstructor | Uint8ClampedArrayConstructor | Int16ArrayConstructor | Uint16ArrayConstructor | Int32ArrayConstructor | Uint32ArrayConstructor | Float32ArrayConstructor | Float64ArrayConstructor | BigInt64ArrayConstructor | BigUint64ArrayConstructor} */
- var TypedArray = global[typedArray];
- if (isCallable(TypedArray)) {
- var length = 10;
- var arr = new TypedArray(length);
- t.equal(typedArrayLength(arr), length, 'new ' + typedArray + '(10) is typed array of length ' + length);
- } else {
- t.comment('# SKIP ' + typedArray + ' is not supported');
- }
- });
- t.end();
- });
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