89 lines
2.9 KiB
Plaintext
89 lines
2.9 KiB
Plaintext
|
'use strict';
|
||
|
|
|
||
|
|
var test = require('tape');
|
||
|
|
var typedArrayByteOffset = 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 = [
|
||
|
|
'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, typedArrayByteOffset(), 'undefined is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(null), 'null is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(false), 'false is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(true), 'true is not typed array');
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
t.equal(false, typedArrayByteOffset({}), 'object is not typed array');
|
||
|
|
t.equal(false, typedArrayByteOffset(/a/g), 'regex literal is not typed array');
|
||
|
|
t.equal(false, typedArrayByteOffset(new RegExp('a', 'g')), 'regex object is not typed array');
|
||
|
|
t.equal(false, typedArrayByteOffset(new Date()), 'new Date() is not typed array');
|
||
|
|
|
||
|
|
t.test('numbers', function (st) {
|
||
|
|
st.equal(false, typedArrayByteOffset(42), 'number is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(Object(42)), 'number object is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(NaN), 'NaN is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(Infinity), 'Infinity is not typed array');
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
t.test('strings', function (st) {
|
||
|
|
st.equal(false, typedArrayByteOffset('foo'), 'string primitive is not typed array');
|
||
|
|
st.equal(false, typedArrayByteOffset(Object('foo')), 'string object is not typed array');
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('Functions', function (t) {
|
||
|
|
t.equal(false, typedArrayByteOffset(function () {}), 'function is not typed array');
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('Generators', { skip: generators.length === 0 }, function (t) {
|
||
|
|
forEach(generators, function (genFn) {
|
||
|
|
t.equal(false, typedArrayByteOffset(genFn), 'generator function ' + inspect(genFn) + ' is not typed array');
|
||
|
|
});
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('Arrow functions', { skip: !arrowFn }, function (t) {
|
||
|
|
t.equal(false, typedArrayByteOffset(arrowFn), 'arrow function is not typed array');
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('Typed Arrays', function (t) {
|
||
|
|
var length = 32;
|
||
|
|
var byteOffset = 16;
|
||
|
|
|
||
|
|
forEach(typedArrayNames, function (typedArray) {
|
||
|
|
var buffer = new ArrayBuffer(length);
|
||
|
|
var TypedArray = global[typedArray];
|
||
|
|
if (isCallable(TypedArray)) {
|
||
|
|
var arr = new TypedArray(buffer, byteOffset);
|
||
|
|
t.equal(typedArrayByteOffset(arr), byteOffset, 'new ' + typedArray + '(new ArrayBuffer(' + length + '), ' + byteOffset + ') is typed array of byte offset ' + byteOffset);
|
||
|
|
} else {
|
||
|
|
t.comment('# SKIP ' + typedArray + ' is not supported');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
t.end();
|
||
|
|
});
|