index.js 1.3 KB

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  1. 'use strict';
  2. var test = require('tape');
  3. var inspect = require('object-inspect');
  4. var forEach = require('for-each');
  5. var v = require('es-value-fixtures');
  6. var availableTypedArrays = require('available-typed-arrays')();
  7. var isArrayBuffer = require('..');
  8. test('isArrayBuffer', function (t) {
  9. t.equal(typeof isArrayBuffer, 'function', 'is a function');
  10. var nonABs = v.primitives.concat(
  11. v.objects,
  12. typeof SharedArrayBuffer === 'function' ? new SharedArrayBuffer() : []
  13. );
  14. forEach(nonABs, function (nonAB) {
  15. t.equal(isArrayBuffer(nonAB), false, inspect(nonAB) + ' is not an ArrayBuffer');
  16. });
  17. t.test('actual ArrayBuffer instances', { skip: typeof ArrayBuffer === 'undefined' }, function (st) {
  18. var ab = new ArrayBuffer();
  19. st.equal(isArrayBuffer(ab), true, inspect(ab) + ' is an ArrayBuffer');
  20. var ab42 = new ArrayBuffer(42);
  21. st.equal(isArrayBuffer(ab42), true, inspect(ab42) + ' is an ArrayBuffer');
  22. st.end();
  23. });
  24. t.test('Typed Arrays', { skip: availableTypedArrays.length === 0 }, function (st) {
  25. forEach(availableTypedArrays, function (TypedArray) {
  26. var ta = new global[TypedArray](0);
  27. st.equal(isArrayBuffer(ta.buffer), true, inspect(ta.buffer) + ', the TA\'s buffer, is an ArrayBuffer');
  28. st.equal(isArrayBuffer(ta), false, inspect(ta) + ' is not an ArrayBuffer');
  29. });
  30. st.end();
  31. });
  32. t.end();
  33. });