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