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'use strict';
var test = require('tape');
var whichTypedArray = require('../');
var isCallable = require('is-callable');
var hasToStringTag = require('has-tostringtag/shams')();
var generators = require('make-generator-function')();
var arrows = require('make-arrow-function').list();
var forEach = require('foreach');
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) {
st.equal(false, whichTypedArray(), 'undefined is not typed array');
st.equal(false, whichTypedArray(null), 'null is not typed array');
st.equal(false, whichTypedArray(false), 'false is not typed array');
st.equal(false, whichTypedArray(true), 'true is not typed array');
st.end();
});
t.equal(false, whichTypedArray({}), 'object is not typed array');
t.equal(false, whichTypedArray(/a/g), 'regex literal is not typed array');
t.equal(false, whichTypedArray(new RegExp('a', 'g')), 'regex object is not typed array');
t.equal(false, whichTypedArray(new Date()), 'new Date() is not typed array');
t.test('numbers', function (st) {
st.equal(false, whichTypedArray(42), 'number is not typed array');
st.equal(false, whichTypedArray(Object(42)), 'number object is not typed array');
st.equal(false, whichTypedArray(NaN), 'NaN is not typed array');
st.equal(false, whichTypedArray(Infinity), 'Infinity is not typed array');
st.end();
});
t.test('strings', function (st) {
st.equal(false, whichTypedArray('foo'), 'string primitive is not typed array');
st.equal(false, whichTypedArray(Object('foo')), 'string object is not typed array');
st.end();
});
t.end();
});
test('Functions', function (t) {
t.equal(false, whichTypedArray(function () {}), 'function is not typed array');
t.end();
});
test('Generators', { skip: generators.length === 0 }, function (t) {
forEach(generators, function (genFn) {
t.equal(false, whichTypedArray(genFn), 'generator function ' + genFn + ' is not typed array');
});
t.end();
});
test('Arrow functions', { skip: arrows.length === 0 }, function (t) {
forEach(arrows, function (arrowFn) {
t.equal(false, whichTypedArray(arrowFn), 'arrow function ' + arrowFn + ' is not typed array');
});
t.end();
});
test('@@toStringTag', { skip: !hasToStringTag }, function (t) {
forEach(typedArrayNames, function (typedArray) {
if (typeof global[typedArray] === 'function') {
var fakeTypedArray = [];
fakeTypedArray[Symbol.toStringTag] = typedArray;
t.equal(false, whichTypedArray(fakeTypedArray), 'faked ' + typedArray + ' is not typed array');
} else {
t.comment('# SKIP ' + typedArray + ' is not supported');
}
});
t.end();
});
test('Typed Arrays', function (t) {
forEach(typedArrayNames, function (typedArray) {
var TypedArray = global[typedArray];
if (isCallable(TypedArray)) {
var arr = new TypedArray(10);
t.equal(typedArray, whichTypedArray(arr), 'new ' + typedArray + '(10) is typed array of type ' + typedArray);
} else {
t.comment('# SKIP ' + typedArray + ' is not supported');
}
});
t.end();
});