--- /dev/null
+var path = require('path');
+var test = require('tape');
+var resolve = require('../');
+
+test('filter', function (t) {
+ var dir = path.join(__dirname, 'resolver');
+ var packageFilterArgs;
+ var res = resolve.sync('./baz', {
+ basedir: dir,
+ // NOTE: in v2.x, this will be `pkg, pkgfile, dir`, but must remain "broken" here in v1.x for compatibility
+ packageFilter: function (pkg, /*pkgfile,*/ dir) { // eslint-disable-line spaced-comment
+ pkg.main = 'doom'; // eslint-disable-line no-param-reassign
+ packageFilterArgs = 'is 1.x' ? [pkg, dir] : [pkg, pkgfile, dir]; // eslint-disable-line no-constant-condition, no-undef
+ return pkg;
+ }
+ });
+
+ t.equal(res, path.join(dir, 'baz/doom.js'), 'changing the package "main" works');
+
+ var packageData = packageFilterArgs[0];
+ t.equal(packageData.main, 'doom', 'package "main" was altered');
+
+ if (!'is 1.x') { // eslint-disable-line no-constant-condition
+ var packageFile = packageFilterArgs[1];
+ t.equal(packageFile, path.join(dir, 'baz', 'package.json'), 'package.json path is correct');
+ }
+
+ var packageDir = packageFilterArgs['is 1.x' ? 1 : 2]; // eslint-disable-line no-constant-condition
+ // eslint-disable-next-line no-constant-condition
+ t.equal(packageDir, path.join(dir, 'baz'), ('is 1.x' ? 'second' : 'third') + ' packageFilter argument is "dir"');
+
+ t.end();
+});