node/test/simple/test-zlib-invalid-input.js

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// test uncompressing invalid input

var common = require('../common.js'),
    assert = require('assert'),
    zlib = require('zlib');

var nonStringInputs = [1, true, {a: 1}, ['a']];

nonStringInputs.forEach(function(input) {
  // zlib.gunzip should not throw an error when called with bad input.
  assert.doesNotThrow(function () {
    zlib.gunzip(input, function (err, buffer) {
      // zlib.gunzip should pass the error to the callback.
      assert.ok(err);
    });
  });
});