Blob-slice-overflow.any.js

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This WPT test may be referenced by the following Test IDs:
- /FileAPI/blob/Blob-slice-overflow.any.html - WPT Dashboard Interop Dashboard
- /FileAPI/blob/Blob-slice-overflow.any.worker.html - WPT Dashboard Interop Dashboard

// META: title=Blob slice overflow

'use strict';

var text = '';

for (var i = 0; i < 2000; ++i) {

  text += 'A';

test(function() {

  var blob = new Blob([text]);

  var sliceBlob = blob.slice(-1, blob.size);

  assert_equals(sliceBlob.size, 1, "Blob slice size");

}, "slice start is negative, relativeStart will be max((size + start), 0)");

test(function() {

  var blob = new Blob([text]);

  var sliceBlob = blob.slice(blob.size + 1, blob.size);

  assert_equals(sliceBlob.size, 0, "Blob slice size");

}, "slice start is greater than blob size, relativeStart will be min(start, size)");

test(function() {

  var blob = new Blob([text]);

  var sliceBlob = blob.slice(blob.size - 2, -1);

  assert_equals(sliceBlob.size, 1, "Blob slice size");

}, "slice end is negative, relativeEnd will be max((size + end), 0)");

test(function() {

  var blob = new Blob([text]);

  var sliceBlob = blob.slice(blob.size - 2, blob.size + 999);

  assert_equals(sliceBlob.size, 2, "Blob slice size");

}, "slice end is greater than blob size, relativeEnd will be min(end, size)");