testing/web-platform/tests/native-io/write_capacity_allocation_sync.tentative.https.any.js

   1 // META: title=NativeIO API: Write respects the allocated capacities.
   2 // META: global=dedicatedworker
   3
   4 test(testCase => {
   5   const file =  storageFoundation.openSync('test_file');
   6   testCase.add_cleanup(() => {
   7     file.close();
   8     storageFoundation.deleteSync('test_file');
   9   });
  10   const writeBuffer = Uint8Array.from([64, 65, 66, 67]);
  11   assert_throws_dom('QuotaExceededError', () => {file.write(writeBuffer, 0)});
  12 }, 'NativeIOFileSync.write() fails without any capacity request.');
  13
  14 test(testCase => {
  15   const file =  storageFoundation.openSync('test_file');
  16
  17   const granted_capacity =  storageFoundation.requestCapacitySync(4);
  18   assert_greater_than_equal(granted_capacity, 2);
  19
  20   testCase.add_cleanup(() => {
  21     file.close();
  22     storageFoundation.deleteSync('test_file');
  23     storageFoundation.releaseCapacitySync(granted_capacity);
  24   });
  25
  26   const writeBuffer = new Uint8Array(granted_capacity - 1).fill(64);
  27   file.write(writeBuffer, 0);
  28 }, 'NativeIOFileSync.write() succeeds when given a buffer of length ' +
  29      'granted capacity - 1');
  30
  31 test(testCase => {
  32   const file =  storageFoundation.openSync('test_file');
  33
  34   const granted_capacity =  storageFoundation.requestCapacitySync(4);
  35   assert_greater_than_equal(granted_capacity, 2);
  36   testCase.add_cleanup(() => {
  37     file.close();
  38     storageFoundation.deleteSync('test_file');
  39     storageFoundation.releaseCapacitySync(granted_capacity);
  40   });
  41   const writeBuffer = new Uint8Array(granted_capacity).fill(64);
  42
  43   file.write(writeBuffer, 0);
  44 }, 'NativeIOFileSync.write() succeeds when given the granted capacity');
  45
  46 test(testCase => {
  47   const file =  storageFoundation.openSync('test_file');
  48
  49   const granted_capacity =  storageFoundation.requestCapacitySync(4);
  50   assert_greater_than_equal(granted_capacity, 2);
  51   testCase.add_cleanup(() => {
  52     file.close();
  53     storageFoundation.deleteSync('test_file');
  54     storageFoundation.releaseCapacitySync(granted_capacity);
  55   });
  56   const writeBuffer = new Uint8Array(granted_capacity + 1).fill(64);
  57
  58   assert_throws_dom('QuotaExceededError', () => {file.write(writeBuffer, 0)});
  59 }, 'NativeIOFileSync.write() fails when given the granted capacity + 1');