test-zlib-write-after-flush.js 1.8 KB

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  1. // Copyright Joyent, Inc. and other Node contributors.
  2. //
  3. // Permission is hereby granted, free of charge, to any person obtaining a
  4. // copy of this software and associated documentation files (the
  5. // "Software"), to deal in the Software without restriction, including
  6. // without limitation the rights to use, copy, modify, merge, publish,
  7. // distribute, sublicense, and/or sell copies of the Software, and to permit
  8. // persons to whom the Software is furnished to do so, subject to the
  9. // following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included
  12. // in all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15. // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  17. // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  18. // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  19. // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20. // USE OR OTHER DEALINGS IN THE SOFTWARE.
  21. var tape = require('tape');
  22. var zlib = require('../');
  23. var fs = require('fs');
  24. tape('write after flush', function(t) {
  25. t.plan(2);
  26. var gzip = zlib.createGzip();
  27. var gunz = zlib.createUnzip();
  28. gzip.pipe(gunz);
  29. var output = '';
  30. var input = 'A line of data\n';
  31. gunz.setEncoding('utf8');
  32. gunz.on('data', function(c) {
  33. output += c;
  34. });
  35. gunz.on('end', function() {
  36. t.equal(output, input);
  37. // Make sure that the flush flag was set back to normal
  38. t.equal(gzip._flushFlag, zlib.Z_NO_FLUSH);
  39. });
  40. // make sure that flush/write doesn't trigger an assert failure
  41. gzip.flush(); write();
  42. function write() {
  43. gzip.write(input);
  44. gzip.end();
  45. gunz.read(0);
  46. }
  47. });