stop tracking node_modules/

1 files changed, 0 insertions, 1448 deletions

diff --git a/node_modules/qs/test/stringify.js b/node_modules/qs/test/stringify.js
deleted file mode 100644
index 07324cf..0000000
--- a/node_modules/qs/test/stringify.js
+++ /dev/null
@@ -1,1448 +0,0 @@
-'use strict';
-
-var test = require('tape');
-var qs = require('../');
-var utils = require('../lib/utils');
-var iconv = require('iconv-lite');
-var SaferBuffer = require('safer-buffer').Buffer;
-var hasSymbols = require('has-symbols');
-var mockProperty = require('mock-property');
-var emptyTestCases = require('./empty-keys-cases').emptyTestCases;
-var hasProto = require('has-proto')();
-var hasBigInt = require('has-bigints')();
-
-test('stringify()', function (t) {
-    t.test('stringifies a querystring object', function (st) {
-        st.equal(qs.stringify({ a: 'b' }), 'a=b');
-        st.equal(qs.stringify({ a: 1 }), 'a=1');
-        st.equal(qs.stringify({ a: 1, b: 2 }), 'a=1&b=2');
-        st.equal(qs.stringify({ a: 'A_Z' }), 'a=A_Z');
-        st.equal(qs.stringify({ a: '€' }), 'a=%E2%82%AC');
-        st.equal(qs.stringify({ a: '' }), 'a=%EE%80%80');
-        st.equal(qs.stringify({ a: 'א' }), 'a=%D7%90');
-        st.equal(qs.stringify({ a: '𐐷' }), 'a=%F0%90%90%B7');
-        st.end();
-    });
-
-    t.test('stringifies falsy values', function (st) {
-        st.equal(qs.stringify(undefined), '');
-        st.equal(qs.stringify(null), '');
-        st.equal(qs.stringify(null, { strictNullHandling: true }), '');
-        st.equal(qs.stringify(false), '');
-        st.equal(qs.stringify(0), '');
-        st.end();
-    });
-
-    t.test('stringifies symbols', { skip: !hasSymbols() }, function (st) {
-        st.equal(qs.stringify(Symbol.iterator), '');
-        st.equal(qs.stringify([Symbol.iterator]), '0=Symbol%28Symbol.iterator%29');
-        st.equal(qs.stringify({ a: Symbol.iterator }), 'a=Symbol%28Symbol.iterator%29');
-        st.equal(
-            qs.stringify({ a: [Symbol.iterator] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
-            'a[]=Symbol%28Symbol.iterator%29'
-        );
-        st.end();
-    });
-
-    t.test('stringifies bigints', { skip: !hasBigInt }, function (st) {
-        var three = BigInt(3);
-        var encodeWithN = function (value, defaultEncoder, charset) {
-            var result = defaultEncoder(value, defaultEncoder, charset);
-            return typeof value === 'bigint' ? result + 'n' : result;
-        };
-        st.equal(qs.stringify(three), '');
-        st.equal(qs.stringify([three]), '0=3');
-        st.equal(qs.stringify([three], { encoder: encodeWithN }), '0=3n');
-        st.equal(qs.stringify({ a: three }), 'a=3');
-        st.equal(qs.stringify({ a: three }, { encoder: encodeWithN }), 'a=3n');
-        st.equal(
-            qs.stringify({ a: [three] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
-            'a[]=3'
-        );
-        st.equal(
-            qs.stringify({ a: [three] }, { encodeValuesOnly: true, encoder: encodeWithN, arrayFormat: 'brackets' }),
-            'a[]=3n'
-        );
-        st.end();
-    });
-
-    t.test('encodes dot in key of object when encodeDotInKeys and allowDots is provided', function (st) {
-        st.equal(
-            qs.stringify(
-                { 'name.obj': { first: 'John', last: 'Doe' } },
-                { allowDots: false, encodeDotInKeys: false }
-            ),
-            'name.obj%5Bfirst%5D=John&name.obj%5Blast%5D=Doe',
-            'with allowDots false and encodeDotInKeys false'
-        );
-        st.equal(
-            qs.stringify(
-                { 'name.obj': { first: 'John', last: 'Doe' } },
-                { allowDots: true, encodeDotInKeys: false }
-            ),
-            'name.obj.first=John&name.obj.last=Doe',
-            'with allowDots true and encodeDotInKeys false'
-        );
-        st.equal(
-            qs.stringify(
-                { 'name.obj': { first: 'John', last: 'Doe' } },
-                { allowDots: false, encodeDotInKeys: true }
-            ),
-            'name%252Eobj%5Bfirst%5D=John&name%252Eobj%5Blast%5D=Doe',
-            'with allowDots false and encodeDotInKeys true'
-        );
-        st.equal(
-            qs.stringify(
-                { 'name.obj': { first: 'John', last: 'Doe' } },
-                { allowDots: true, encodeDotInKeys: true }
-            ),
-            'name%252Eobj.first=John&name%252Eobj.last=Doe',
-            'with allowDots true and encodeDotInKeys true'
-        );
-
-        st.equal(
-            qs.stringify(
-                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
-                { allowDots: false, encodeDotInKeys: false }
-            ),
-            'name.obj.subobject%5Bfirst.godly.name%5D=John&name.obj.subobject%5Blast%5D=Doe',
-            'with allowDots false and encodeDotInKeys false'
-        );
-        st.equal(
-            qs.stringify(
-                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
-                { allowDots: true, encodeDotInKeys: false }
-            ),
-            'name.obj.subobject.first.godly.name=John&name.obj.subobject.last=Doe',
-            'with allowDots false and encodeDotInKeys false'
-        );
-        st.equal(
-            qs.stringify(
-                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
-                { allowDots: false, encodeDotInKeys: true }
-            ),
-            'name%252Eobj%252Esubobject%5Bfirst.godly.name%5D=John&name%252Eobj%252Esubobject%5Blast%5D=Doe',
-            'with allowDots false and encodeDotInKeys true'
-        );
-        st.equal(
-            qs.stringify(
-                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
-                { allowDots: true, encodeDotInKeys: true }
-            ),
-            'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
-            'with allowDots true and encodeDotInKeys true'
-        );
-
-        st.end();
-    });
-
-    t.test('should encode dot in key of object, and automatically set allowDots to `true` when encodeDotInKeys is true and allowDots in undefined', function (st) {
-        st.equal(
-            qs.stringify(
-                { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },
-                { encodeDotInKeys: true }
-            ),
-            'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',
-            'with allowDots undefined and encodeDotInKeys true'
-        );
-        st.end();
-    });
-
-    t.test('should encode dot in key of object when encodeDotInKeys and allowDots is provided, and nothing else when encodeValuesOnly is provided', function (st) {
-        st.equal(
-            qs.stringify({ 'name.obj': { first: 'John', last: 'Doe' } }, {
-                encodeDotInKeys: true, allowDots: true, encodeValuesOnly: true
-            }),
-            'name%2Eobj.first=John&name%2Eobj.last=Doe'
-        );
-
-        st.equal(
-            qs.stringify({ 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } }, { allowDots: true, encodeDotInKeys: true, encodeValuesOnly: true }),
-            'name%2Eobj%2Esubobject.first%2Egodly%2Ename=John&name%2Eobj%2Esubobject.last=Doe'
-        );
-
-        st.end();
-    });
-
-    t.test('throws when `commaRoundTrip` is not a boolean', function (st) {
-        st['throws'](
-            function () { qs.stringify({}, { commaRoundTrip: 'not a boolean' }); },
-            TypeError,
-            'throws when `commaRoundTrip` is not a boolean'
-        );
-
-        st.end();
-    });
-
-    t.test('throws when `encodeDotInKeys` is not a boolean', function (st) {
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: 'foobar' }); },
-            TypeError
-        );
-
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: 0 }); },
-            TypeError
-        );
-
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: NaN }); },
-            TypeError
-        );
-
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { encodeDotInKeys: null }); },
-            TypeError
-        );
-
-        st.end();
-    });
-
-    t.test('adds query prefix', function (st) {
-        st.equal(qs.stringify({ a: 'b' }, { addQueryPrefix: true }), '?a=b');
-        st.end();
-    });
-
-    t.test('with query prefix, outputs blank string given an empty object', function (st) {
-        st.equal(qs.stringify({}, { addQueryPrefix: true }), '');
-        st.end();
-    });
-
-    t.test('stringifies nested falsy values', function (st) {
-        st.equal(qs.stringify({ a: { b: { c: null } } }), 'a%5Bb%5D%5Bc%5D=');
-        st.equal(qs.stringify({ a: { b: { c: null } } }, { strictNullHandling: true }), 'a%5Bb%5D%5Bc%5D');
-        st.equal(qs.stringify({ a: { b: { c: false } } }), 'a%5Bb%5D%5Bc%5D=false');
-        st.end();
-    });
-
-    t.test('stringifies a nested object', function (st) {
-        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
-        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }), 'a%5Bb%5D%5Bc%5D%5Bd%5D=e');
-        st.end();
-    });
-
-    t.test('`allowDots` option: stringifies a nested object with dots notation', function (st) {
-        st.equal(qs.stringify({ a: { b: 'c' } }, { allowDots: true }), 'a.b=c');
-        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }, { allowDots: true }), 'a.b.c.d=e');
-        st.end();
-    });
-
-    t.test('stringifies an array value', function (st) {
-        st.equal(
-            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'indices' }),
-            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'brackets' }),
-            'a%5B%5D=b&a%5B%5D=c&a%5B%5D=d',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma' }),
-            'a=b%2Cc%2Cd',
-            'comma => comma'
-        );
-        st.equal(
-            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma', commaRoundTrip: true }),
-            'a=b%2Cc%2Cd',
-            'comma round trip => comma'
-        );
-        st.equal(
-            qs.stringify({ a: ['b', 'c', 'd'] }),
-            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
-            'default => indices'
-        );
-        st.end();
-    });
-
-    t.test('`skipNulls` option', function (st) {
-        st.equal(
-            qs.stringify({ a: 'b', c: null }, { skipNulls: true }),
-            'a=b',
-            'omits nulls when asked'
-        );
-
-        st.equal(
-            qs.stringify({ a: { b: 'c', d: null } }, { skipNulls: true }),
-            'a%5Bb%5D=c',
-            'omits nested nulls when asked'
-        );
-
-        st.end();
-    });
-
-    t.test('omits array indices when asked', function (st) {
-        st.equal(qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false }), 'a=b&a=c&a=d');
-
-        st.end();
-    });
-
-    t.test('omits object key/value pair when value is empty array', function (st) {
-        st.equal(qs.stringify({ a: [], b: 'zz' }), 'b=zz');
-
-        st.end();
-    });
-
-    t.test('should not omit object key/value pair when value is empty array and when asked', function (st) {
-        st.equal(qs.stringify({ a: [], b: 'zz' }), 'b=zz');
-        st.equal(qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: false }), 'b=zz');
-        st.equal(qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: true }), 'a[]&b=zz');
-
-        st.end();
-    });
-
-    t.test('should throw when allowEmptyArrays is not of type boolean', function (st) {
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: 'foobar' }); },
-            TypeError
-        );
-
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: 0 }); },
-            TypeError
-        );
-
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: NaN }); },
-            TypeError
-        );
-
-        st['throws'](
-            function () { qs.stringify({ a: [], b: 'zz' }, { allowEmptyArrays: null }); },
-            TypeError
-        );
-
-        st.end();
-    });
-
-    t.test('allowEmptyArrays + strictNullHandling', function (st) {
-        st.equal(
-            qs.stringify(
-                { testEmptyArray: [] },
-                { strictNullHandling: true, allowEmptyArrays: true }
-            ),
-            'testEmptyArray[]'
-        );
-
-        st.end();
-    });
-
-    t.test('stringifies an array value with one item vs multiple items', function (st) {
-        st.test('non-array item', function (s2t) {
-            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a=c');
-            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a=c');
-            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c');
-            s2t.equal(qs.stringify({ a: 'c' }, { encodeValuesOnly: true }), 'a=c');
-
-            s2t.end();
-        });
-
-        st.test('array with a single item', function (s2t) {
-            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=c');
-            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=c');
-            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c');
-            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a[]=c'); // so it parses back as an array
-            s2t.equal(qs.stringify({ a: ['c'] }, { encodeValuesOnly: true }), 'a[0]=c');
-
-            s2t.end();
-        });
-
-        st.test('array with multiple items', function (s2t) {
-            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=c&a[1]=d');
-            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=c&a[]=d');
-            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c,d');
-            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a=c,d');
-            s2t.equal(qs.stringify({ a: ['c', 'd'] }, { encodeValuesOnly: true }), 'a[0]=c&a[1]=d');
-
-            s2t.end();
-        });
-
-        st.test('array with multiple items with a comma inside', function (s2t) {
-            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=c%2Cd,e');
-            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { arrayFormat: 'comma' }), 'a=c%2Cd%2Ce');
-
-            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { encodeValuesOnly: true, arrayFormat: 'comma', commaRoundTrip: true }), 'a=c%2Cd,e');
-            s2t.equal(qs.stringify({ a: ['c,d', 'e'] }, { arrayFormat: 'comma', commaRoundTrip: true }), 'a=c%2Cd%2Ce');
-
-            s2t.end();
-        });
-
-        st.end();
-    });
-
-    t.test('stringifies a nested array value', function (st) {
-        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[b][0]=c&a[b][1]=d');
-        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[b][]=c&a[b][]=d');
-        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a[b]=c,d');
-        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true }), 'a[b][0]=c&a[b][1]=d');
-        st.end();
-    });
-
-    t.test('stringifies comma and empty array values', function (st) {
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'indices' }), 'a[0]=,&a[1]=&a[2]=c,d%');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'brackets' }), 'a[]=,&a[]=&a[]=c,d%');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'comma' }), 'a=,,,c,d%');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: false, arrayFormat: 'repeat' }), 'a=,&a=&a=c,d%');
-
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[0]=%2C&a[1]=&a[2]=c%2Cd%25');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=%2C&a[]=&a[]=c%2Cd%25');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=%2C,,c%2Cd%25');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=%2C&a=&a=c%2Cd%25');
-
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'indices' }), 'a%5B0%5D=%2C&a%5B1%5D=&a%5B2%5D=c%2Cd%25');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'brackets' }), 'a%5B%5D=%2C&a%5B%5D=&a%5B%5D=c%2Cd%25');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'comma' }), 'a=%2C%2C%2Cc%2Cd%25');
-        st.equal(qs.stringify({ a: [',', '', 'c,d%'] }, { encode: true, encodeValuesOnly: false, arrayFormat: 'repeat' }), 'a=%2C&a=&a=c%2Cd%25');
-
-        st.end();
-    });
-
-    t.test('stringifies comma and empty non-array values', function (st) {
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'indices' }), 'a=,&b=&c=c,d%');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'brackets' }), 'a=,&b=&c=c,d%');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'comma' }), 'a=,&b=&c=c,d%');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: false, arrayFormat: 'repeat' }), 'a=,&b=&c=c,d%');
-
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'indices' }), 'a=%2C&b=&c=c%2Cd%25');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a=%2C&b=&c=c%2Cd%25');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'comma' }), 'a=%2C&b=&c=c%2Cd%25');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=%2C&b=&c=c%2Cd%25');
-
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'indices' }), 'a=%2C&b=&c=c%2Cd%25');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'brackets' }), 'a=%2C&b=&c=c%2Cd%25');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'comma' }), 'a=%2C&b=&c=c%2Cd%25');
-        st.equal(qs.stringify({ a: ',', b: '', c: 'c,d%' }, { encode: true, encodeValuesOnly: false, arrayFormat: 'repeat' }), 'a=%2C&b=&c=c%2Cd%25');
-
-        st.end();
-    });
-
-    t.test('stringifies a nested array value with dots notation', function (st) {
-        st.equal(
-            qs.stringify(
-                { a: { b: ['c', 'd'] } },
-                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'indices' }
-            ),
-            'a.b[0]=c&a.b[1]=d',
-            'indices: stringifies with dots + indices'
-        );
-        st.equal(
-            qs.stringify(
-                { a: { b: ['c', 'd'] } },
-                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'brackets' }
-            ),
-            'a.b[]=c&a.b[]=d',
-            'brackets: stringifies with dots + brackets'
-        );
-        st.equal(
-            qs.stringify(
-                { a: { b: ['c', 'd'] } },
-                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'comma' }
-            ),
-            'a.b=c,d',
-            'comma: stringifies with dots + comma'
-        );
-        st.equal(
-            qs.stringify(
-                { a: { b: ['c', 'd'] } },
-                { allowDots: true, encodeValuesOnly: true }
-            ),
-            'a.b[0]=c&a.b[1]=d',
-            'default: stringifies with dots + indices'
-        );
-        st.end();
-    });
-
-    t.test('stringifies an object inside an array', function (st) {
-        st.equal(
-            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'indices', encodeValuesOnly: true }),
-            'a[0][b]=c',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'repeat', encodeValuesOnly: true }),
-            'a[b]=c',
-            'repeat => repeat'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'brackets', encodeValuesOnly: true }),
-            'a[][b]=c',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: 'c' }] }, { encodeValuesOnly: true }),
-            'a[0][b]=c',
-            'default => indices'
-        );
-
-        st.equal(
-            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'indices', encodeValuesOnly: true }),
-            'a[0][b][c][0]=1',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'repeat', encodeValuesOnly: true }),
-            'a[b][c]=1',
-            'repeat => repeat'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'brackets', encodeValuesOnly: true }),
-            'a[][b][c][]=1',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: { c: [1] } }] }, { encodeValuesOnly: true }),
-            'a[0][b][c][0]=1',
-            'default => indices'
-        );
-
-        st.end();
-    });
-
-    t.test('stringifies an array with mixed objects and primitives', function (st) {
-        st.equal(
-            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
-            'a[0][b]=1&a[1]=2&a[2]=3',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
-            'a[][b]=1&a[]=2&a[]=3',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'comma' }),
-            '???',
-            'brackets => brackets',
-            { skip: 'TODO: figure out what this should do' }
-        );
-        st.equal(
-            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true }),
-            'a[0][b]=1&a[1]=2&a[2]=3',
-            'default => indices'
-        );
-
-        st.end();
-    });
-
-    t.test('stringifies an object inside an array with dots notation', function (st) {
-        st.equal(
-            qs.stringify(
-                { a: [{ b: 'c' }] },
-                { allowDots: true, encode: false, arrayFormat: 'indices' }
-            ),
-            'a[0].b=c',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify(
-                { a: [{ b: 'c' }] },
-                { allowDots: true, encode: false, arrayFormat: 'brackets' }
-            ),
-            'a[].b=c',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify(
-                { a: [{ b: 'c' }] },
-                { allowDots: true, encode: false }
-            ),
-            'a[0].b=c',
-            'default => indices'
-        );
-
-        st.equal(
-            qs.stringify(
-                { a: [{ b: { c: [1] } }] },
-                { allowDots: true, encode: false, arrayFormat: 'indices' }
-            ),
-            'a[0].b.c[0]=1',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify(
-                { a: [{ b: { c: [1] } }] },
-                { allowDots: true, encode: false, arrayFormat: 'brackets' }
-            ),
-            'a[].b.c[]=1',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify(
-                { a: [{ b: { c: [1] } }] },
-                { allowDots: true, encode: false }
-            ),
-            'a[0].b.c[0]=1',
-            'default => indices'
-        );
-
-        st.end();
-    });
-
-    t.test('does not omit object keys when indices = false', function (st) {
-        st.equal(qs.stringify({ a: [{ b: 'c' }] }, { indices: false }), 'a%5Bb%5D=c');
-        st.end();
-    });
-
-    t.test('uses indices notation for arrays when indices=true', function (st) {
-        st.equal(qs.stringify({ a: ['b', 'c'] }, { indices: true }), 'a%5B0%5D=b&a%5B1%5D=c');
-        st.end();
-    });
-
-    t.test('uses indices notation for arrays when no arrayFormat is specified', function (st) {
-        st.equal(qs.stringify({ a: ['b', 'c'] }), 'a%5B0%5D=b&a%5B1%5D=c');
-        st.end();
-    });
-
-    t.test('uses indices notation for arrays when arrayFormat=indices', function (st) {
-        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' }), 'a%5B0%5D=b&a%5B1%5D=c');
-        st.end();
-    });
-
-    t.test('uses repeat notation for arrays when arrayFormat=repeat', function (st) {
-        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' }), 'a=b&a=c');
-        st.end();
-    });
-
-    t.test('uses brackets notation for arrays when arrayFormat=brackets', function (st) {
-        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' }), 'a%5B%5D=b&a%5B%5D=c');
-        st.end();
-    });
-
-    t.test('stringifies a complicated object', function (st) {
-        st.equal(qs.stringify({ a: { b: 'c', d: 'e' } }), 'a%5Bb%5D=c&a%5Bd%5D=e');
-        st.end();
-    });
-
-    t.test('stringifies an empty value', function (st) {
-        st.equal(qs.stringify({ a: '' }), 'a=');
-        st.equal(qs.stringify({ a: null }, { strictNullHandling: true }), 'a');
-
-        st.equal(qs.stringify({ a: '', b: '' }), 'a=&b=');
-        st.equal(qs.stringify({ a: null, b: '' }, { strictNullHandling: true }), 'a&b=');
-
-        st.equal(qs.stringify({ a: { b: '' } }), 'a%5Bb%5D=');
-        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: true }), 'a%5Bb%5D');
-        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: false }), 'a%5Bb%5D=');
-
-        st.end();
-    });
-
-    t.test('stringifies an empty array in different arrayFormat', function (st) {
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false }), 'b[0]=&c=c');
-        // arrayFormat default
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices' }), 'b[0]=&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets' }), 'b[]=&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat' }), 'b=&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma' }), 'b=&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', commaRoundTrip: true }), 'b[]=&c=c');
-        // with strictNullHandling
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', strictNullHandling: true }), 'b[0]&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', strictNullHandling: true }), 'b[]&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', strictNullHandling: true }), 'b&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true }), 'b&c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true, commaRoundTrip: true }), 'b[]&c=c');
-        // with skipNulls
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', skipNulls: true }), 'c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', skipNulls: true }), 'c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', skipNulls: true }), 'c=c');
-        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', skipNulls: true }), 'c=c');
-
-        st.end();
-    });
-
-    t.test('does not crash on null/undefined entries in arrayFormat=comma with encodeValuesOnly', function (st) {
-        st.doesNotThrow(
-            function () { qs.stringify({ a: [null, 'b'] }, { arrayFormat: 'comma', encodeValuesOnly: true }); },
-            'does not pass a raw null array entry to the encoder'
-        );
-        st.doesNotThrow(
-            function () { qs.stringify({ a: [undefined, 'b'] }, { arrayFormat: 'comma', encodeValuesOnly: true }); },
-            'does not pass a raw undefined array entry to the encoder'
-        );
-        st.doesNotThrow(
-            function () { qs.stringify({ a: [null] }, { arrayFormat: 'comma', encodeValuesOnly: true }); },
-            'does not crash on a single-null array'
-        );
-
-        st.equal(
-            qs.stringify({ a: [null, 'b'] }, { arrayFormat: 'comma', encodeValuesOnly: true }),
-            'a=,b',
-            'null entry joins as empty, comma stays unencoded under encodeValuesOnly'
-        );
-        st.equal(
-            qs.stringify({ a: [undefined, 'b'] }, { arrayFormat: 'comma', encodeValuesOnly: true }),
-            'a=,b',
-            'undefined entry joins as empty, comma stays unencoded under encodeValuesOnly'
-        );
-        st.equal(
-            qs.stringify({ a: [null] }, { arrayFormat: 'comma', encodeValuesOnly: true }),
-            'a=',
-            'single-null array stringifies as empty value'
-        );
-        st.equal(
-            qs.stringify({ a: [null] }, { arrayFormat: 'comma', encodeValuesOnly: true, strictNullHandling: true }),
-            'a',
-            'strictNullHandling drops the equals sign for a single-null array'
-        );
-        st.equal(
-            qs.stringify({ a: [null] }, { arrayFormat: 'comma', encodeValuesOnly: true, skipNulls: true }),
-            '',
-            'skipNulls drops a single-null array entirely'
-        );
-
-        st.end();
-    });
-
-    t.test('stringifies a null object', { skip: !hasProto }, function (st) {
-        st.equal(qs.stringify({ __proto__: null, a: 'b' }), 'a=b');
-        st.end();
-    });
-
-    t.test('returns an empty string for invalid input', function (st) {
-        st.equal(qs.stringify(undefined), '');
-        st.equal(qs.stringify(false), '');
-        st.equal(qs.stringify(null), '');
-        st.equal(qs.stringify(''), '');
-        st.end();
-    });
-
-    t.test('stringifies an object with a null object as a child', { skip: !hasProto }, function (st) {
-        st.equal(qs.stringify({ a: { __proto__: null, b: 'c' } }), 'a%5Bb%5D=c');
-        st.end();
-    });
-
-    t.test('drops keys with a value of undefined', function (st) {
-        st.equal(qs.stringify({ a: undefined }), '');
-
-        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: true }), 'a%5Bc%5D');
-        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: false }), 'a%5Bc%5D=');
-        st.equal(qs.stringify({ a: { b: undefined, c: '' } }), 'a%5Bc%5D=');
-        st.end();
-    });
-
-    t.test('url encodes values', function (st) {
-        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
-        st.end();
-    });
-
-    t.test('stringifies a date', function (st) {
-        var now = new Date();
-        var str = 'a=' + encodeURIComponent(now.toISOString());
-        st.equal(qs.stringify({ a: now }), str);
-        st.end();
-    });
-
-    t.test('stringifies the weird object from qs', function (st) {
-        st.equal(qs.stringify({ 'my weird field': '~q1!2"\'w$5&7/z8)?' }), 'my%20weird%20field=~q1%212%22%27w%245%267%2Fz8%29%3F');
-        st.end();
-    });
-
-    t.test('skips properties that are part of the object prototype', function (st) {
-        st.intercept(Object.prototype, 'crash', { value: 'test' });
-
-        st.equal(qs.stringify({ a: 'b' }), 'a=b');
-        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
-
-        st.end();
-    });
-
-    t.test('stringifies boolean values', function (st) {
-        st.equal(qs.stringify({ a: true }), 'a=true');
-        st.equal(qs.stringify({ a: { b: true } }), 'a%5Bb%5D=true');
-        st.equal(qs.stringify({ b: false }), 'b=false');
-        st.equal(qs.stringify({ b: { c: false } }), 'b%5Bc%5D=false');
-        st.end();
-    });
-
-    t.test('stringifies buffer values', function (st) {
-        st.equal(qs.stringify({ a: SaferBuffer.from('test') }), 'a=test');
-        st.equal(qs.stringify({ a: { b: SaferBuffer.from('test') } }), 'a%5Bb%5D=test');
-        st.end();
-    });
-
-    t.test('stringifies an object using an alternative delimiter', function (st) {
-        st.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
-        st.end();
-    });
-
-    t.test('does not blow up when Buffer global is missing', function (st) {
-        var restore = mockProperty(global, 'Buffer', { 'delete': true });
-
-        var result = qs.stringify({ a: 'b', c: 'd' });
-
-        restore();
-
-        st.equal(result, 'a=b&c=d');
-        st.end();
-    });
-
-    t.test('does not crash when parsing circular references', function (st) {
-        var a = {};
-        a.b = a;
-
-        st['throws'](
-            function () { qs.stringify({ 'foo[bar]': 'baz', 'foo[baz]': a }); },
-            /RangeError: Cyclic object value/,
-            'cyclic values throw'
-        );
-
-        var circular = {
-            a: 'value'
-        };
-        circular.a = circular;
-        st['throws'](
-            function () { qs.stringify(circular); },
-            /RangeError: Cyclic object value/,
-            'cyclic values throw'
-        );
-
-        var arr = ['a'];
-        st.doesNotThrow(
-            function () { qs.stringify({ x: arr, y: arr }); },
-            'non-cyclic values do not throw'
-        );
-
-        st.end();
-    });
-
-    t.test('non-circular duplicated references can still work', function (st) {
-        var hourOfDay = {
-            'function': 'hour_of_day'
-        };
-
-        var p1 = {
-            'function': 'gte',
-            arguments: [hourOfDay, 0]
-        };
-        var p2 = {
-            'function': 'lte',
-            arguments: [hourOfDay, 23]
-        };
-
-        st.equal(
-            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
-            'filters[$and][0][function]=gte&filters[$and][0][arguments][0][function]=hour_of_day&filters[$and][0][arguments][1]=0&filters[$and][1][function]=lte&filters[$and][1][arguments][0][function]=hour_of_day&filters[$and][1][arguments][1]=23'
-        );
-        st.equal(
-            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
-            'filters[$and][][function]=gte&filters[$and][][arguments][][function]=hour_of_day&filters[$and][][arguments][]=0&filters[$and][][function]=lte&filters[$and][][arguments][][function]=hour_of_day&filters[$and][][arguments][]=23'
-        );
-        st.equal(
-            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true, arrayFormat: 'repeat' }),
-            'filters[$and][function]=gte&filters[$and][arguments][function]=hour_of_day&filters[$and][arguments]=0&filters[$and][function]=lte&filters[$and][arguments][function]=hour_of_day&filters[$and][arguments]=23'
-        );
-
-        st.end();
-    });
-
-    t.test('selects properties when filter=array', function (st) {
-        st.equal(qs.stringify({ a: 'b' }, { filter: ['a'] }), 'a=b');
-        st.equal(qs.stringify({ a: 1 }, { filter: [] }), '');
-
-        st.equal(
-            qs.stringify(
-                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
-                { filter: ['a', 'b', 0, 2], arrayFormat: 'indices' }
-            ),
-            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
-            'indices => indices'
-        );
-        st.equal(
-            qs.stringify(
-                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
-                { filter: ['a', 'b', 0, 2], arrayFormat: 'brackets' }
-            ),
-            'a%5Bb%5D%5B%5D=1&a%5Bb%5D%5B%5D=3',
-            'brackets => brackets'
-        );
-        st.equal(
-            qs.stringify(
-                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
-                { filter: ['a', 'b', 0, 2] }
-            ),
-            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
-            'default => indices'
-        );
-
-        st.end();
-    });
-
-    t.test('skips null/undefined entries in filter=array', function (st) {
-        st.doesNotThrow(
-            function () { qs.stringify({ a: 'b', undefined: 'x' }, { filter: ['a', undefined] }); },
-            'does not pass a raw undefined filter entry to the encoder'
-        );
-        st.doesNotThrow(
-            function () { qs.stringify({ a: 'b', 'null': 'x' }, { filter: ['a', null] }); },
-            'does not pass a raw null filter entry to the encoder'
-        );
-
-        st.equal(
-            qs.stringify({ a: 'b', undefined: 'x', c: 'd' }, { filter: ['a', undefined, 'c'] }),
-            'a=b&c=d',
-            'undefined filter entry is skipped, remaining keys are kept'
-        );
-        st.equal(
-            qs.stringify({ a: 'b', 'null': 'x', c: 'd' }, { filter: ['a', null, 'c'] }),
-            'a=b&c=d',
-            'null filter entry is skipped, remaining keys are kept'
-        );
-        st.equal(
-            qs.stringify({ a: 'b', 'null': 'x' }, { filter: [null] }),
-            '',
-            'filter array containing only null yields empty string'
-        );
-
-        st.end();
-    });
-
-    t.test('supports custom representations when filter=function', function (st) {
-        var calls = 0;
-        var obj = { a: 'b', c: 'd', e: { f: new Date(1257894000000) } };
-        var filterFunc = function (prefix, value) {
-            calls += 1;
-            if (calls === 1) {
-                st.equal(prefix, '', 'prefix is empty');
-                st.equal(value, obj);
-            } else if (prefix === 'c') {
-                return void 0;
-            } else if (value instanceof Date) {
-                st.equal(prefix, 'e[f]');
-                return value.getTime();
-            }
-            return value;
-        };
-
-        st.equal(qs.stringify(obj, { filter: filterFunc }), 'a=b&e%5Bf%5D=1257894000000');
-        st.equal(calls, 5);
-        st.end();
-    });
-
-    t.test('can disable uri encoding', function (st) {
-        st.equal(qs.stringify({ a: 'b' }, { encode: false }), 'a=b');
-        st.equal(qs.stringify({ a: { b: 'c' } }, { encode: false }), 'a[b]=c');
-        st.equal(qs.stringify({ a: 'b', c: null }, { strictNullHandling: true, encode: false }), 'a=b&c');
-        st.end();
-    });
-
-    t.test('can sort the keys', function (st) {
-        var sort = function (a, b) {
-            return a.localeCompare(b);
-        };
-        st.equal(qs.stringify({ a: 'c', z: 'y', b: 'f' }, { sort: sort }), 'a=c&b=f&z=y');
-        st.equal(qs.stringify({ a: 'c', z: { j: 'a', i: 'b' }, b: 'f' }, { sort: sort }), 'a=c&b=f&z%5Bi%5D=b&z%5Bj%5D=a');
-        st.end();
-    });
-
-    t.test('can sort the keys at depth 3 or more too', function (st) {
-        var sort = function (a, b) {
-            return a.localeCompare(b);
-        };
-        st.equal(
-            qs.stringify(
-                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
-                { sort: sort, encode: false }
-            ),
-            'a=a&b=b&z[zi][zia]=zia&z[zi][zib]=zib&z[zj][zja]=zja&z[zj][zjb]=zjb'
-        );
-        st.equal(
-            qs.stringify(
-                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
-                { sort: null, encode: false }
-            ),
-            'a=a&z[zj][zjb]=zjb&z[zj][zja]=zja&z[zi][zib]=zib&z[zi][zia]=zia&b=b'
-        );
-        st.end();
-    });
-
-    t.test('can stringify with custom encoding', function (st) {
-        st.equal(qs.stringify({ 県: '大阪府', '': '' }, {
-            encoder: function (str) {
-                if (str.length === 0) {
-                    return '';
-                }
-                var buf = iconv.encode(str, 'shiftjis');
-                var result = [];
-                for (var i = 0; i < buf.length; ++i) {
-                    result.push(buf.readUInt8(i).toString(16));
-                }
-                return '%' + result.join('%');
-            }
-        }), '%8c%a7=%91%e5%8d%e3%95%7b&=');
-        st.end();
-    });
-
-    t.test('receives the default encoder as a second argument', function (st) {
-        st.plan(8);
-
-        qs.stringify({ a: 1, b: new Date(), c: true, d: [1] }, {
-            encoder: function (str) {
-                st.match(typeof str, /^(?:string|number|boolean)$/);
-                return '';
-            }
-        });
-
-        st.end();
-    });
-
-    t.test('receives the default encoder as a second argument', function (st) {
-        st.plan(2);
-
-        qs.stringify({ a: 1 }, {
-            encoder: function (str, defaultEncoder) {
-                st.equal(defaultEncoder, utils.encode);
-            }
-        });
-
-        st.end();
-    });
-
-    t.test('throws error with wrong encoder', function (st) {
-        st['throws'](function () {
-            qs.stringify({}, { encoder: 'string' });
-        }, new TypeError('Encoder has to be a function.'));
-        st.end();
-    });
-
-    t.test('can use custom encoder for a buffer object', { skip: typeof Buffer === 'undefined' }, function (st) {
-        st.equal(qs.stringify({ a: SaferBuffer.from([1]) }, {
-            encoder: function (buffer) {
-                if (typeof buffer === 'string') {
-                    return buffer;
-                }
-                return String.fromCharCode(buffer.readUInt8(0) + 97);
-            }
-        }), 'a=b');
-
-        st.equal(qs.stringify({ a: SaferBuffer.from('a b') }, {
-            encoder: function (buffer) {
-                return buffer;
-            }
-        }), 'a=a b');
-        st.end();
-    });
-
-    t.test('serializeDate option', function (st) {
-        var date = new Date();
-        st.equal(
-            qs.stringify({ a: date }),
-            'a=' + date.toISOString().replace(/:/g, '%3A'),
-            'default is toISOString'
-        );
-
-        var mutatedDate = new Date();
-        mutatedDate.toISOString = function () {
-            throw new SyntaxError();
-        };
-        st['throws'](function () {
-            mutatedDate.toISOString();
-        }, SyntaxError);
-        st.equal(
-            qs.stringify({ a: mutatedDate }),
-            'a=' + Date.prototype.toISOString.call(mutatedDate).replace(/:/g, '%3A'),
-            'toISOString works even when method is not locally present'
-        );
-
-        var specificDate = new Date(6);
-        st.equal(
-            qs.stringify(
-                { a: specificDate },
-                { serializeDate: function (d) { return d.getTime() * 7; } }
-            ),
-            'a=42',
-            'custom serializeDate function called'
-        );
-
-        st.equal(
-            qs.stringify(
-                { a: [date] },
-                {
-                    serializeDate: function (d) { return d.getTime(); },
-                    arrayFormat: 'comma'
-                }
-            ),
-            'a=' + date.getTime(),
-            'works with arrayFormat comma'
-        );
-        st.equal(
-            qs.stringify(
-                { a: [date] },
-                {
-                    serializeDate: function (d) { return d.getTime(); },
-                    arrayFormat: 'comma',
-                    commaRoundTrip: true
-                }
-            ),
-            'a%5B%5D=' + date.getTime(),
-            'works with arrayFormat comma'
-        );
-
-        st.end();
-    });
-
-    t.test('RFC 1738 serialization', function (st) {
-        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC1738 }), 'a=b+c');
-        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC1738 }), 'a+b=c+d');
-        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC1738 }), 'a+b=a+b');
-
-        st.equal(qs.stringify({ 'foo(ref)': 'bar' }, { format: qs.formats.RFC1738 }), 'foo(ref)=bar');
-
-        st.end();
-    });
-
-    t.test('RFC 3986 spaces serialization', function (st) {
-        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC3986 }), 'a=b%20c');
-        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC3986 }), 'a%20b=c%20d');
-        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC3986 }), 'a%20b=a%20b');
-
-        st.end();
-    });
-
-    t.test('Backward compatibility to RFC 3986', function (st) {
-        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
-        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }), 'a%20b=a%20b');
-
-        st.end();
-    });
-
-    t.test('Edge cases and unknown formats', function (st) {
-        ['UFO1234', false, 1234, null, {}, []].forEach(function (format) {
-            st['throws'](
-                function () {
-                    qs.stringify({ a: 'b c' }, { format: format });
-                },
-                new TypeError('Unknown format option provided.')
-            );
-        });
-        st.end();
-    });
-
-    t.test('encodeValuesOnly', function (st) {
-        st.equal(
-            qs.stringify(
-                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
-                { encodeValuesOnly: true, arrayFormat: 'indices' }
-            ),
-            'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h',
-            'encodeValuesOnly + indices'
-        );
-        st.equal(
-            qs.stringify(
-                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
-                { encodeValuesOnly: true, arrayFormat: 'brackets' }
-            ),
-            'a=b&c[]=d&c[]=e%3Df&f[][]=g&f[][]=h',
-            'encodeValuesOnly + brackets'
-        );
-        st.equal(
-            qs.stringify(
-                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
-                { encodeValuesOnly: true, arrayFormat: 'repeat' }
-            ),
-            'a=b&c=d&c=e%3Df&f=g&f=h',
-            'encodeValuesOnly + repeat'
-        );
-
-        st.equal(
-            qs.stringify(
-                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
-                { arrayFormat: 'indices' }
-            ),
-            'a=b&c%5B0%5D=d&c%5B1%5D=e&f%5B0%5D%5B0%5D=g&f%5B1%5D%5B0%5D=h',
-            'no encodeValuesOnly + indices'
-        );
-        st.equal(
-            qs.stringify(
-                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
-                { arrayFormat: 'brackets' }
-            ),
-            'a=b&c%5B%5D=d&c%5B%5D=e&f%5B%5D%5B%5D=g&f%5B%5D%5B%5D=h',
-            'no encodeValuesOnly + brackets'
-        );
-        st.equal(
-            qs.stringify(
-                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] },
-                { arrayFormat: 'repeat' }
-            ),
-            'a=b&c=d&c=e&f=g&f=h',
-            'no encodeValuesOnly + repeat'
-        );
-
-        st.end();
-    });
-
-    t.test('encodeValuesOnly - strictNullHandling', function (st) {
-        st.equal(
-            qs.stringify(
-                { a: { b: null } },
-                { encodeValuesOnly: true, strictNullHandling: true }
-            ),
-            'a[b]'
-        );
-        st.end();
-    });
-
-    t.test('strictNullHandling: applies the formatter to the encoded key (RFC1738)', function (st) {
-        st.equal(
-            qs.stringify(
-                { 'a b': null, 'c d': 'e f' },
-                { strictNullHandling: false, format: 'RFC1738' }
-            ),
-            'a+b=&c+d=e+f',
-            'without: as expected'
-        );
-
-        st.equal(
-            qs.stringify(
-                { 'a b': null, 'c d': 'e f' },
-                { strictNullHandling: true, format: 'RFC1738' }
-            ),
-            'a+b&c+d=e+f',
-            'with: as expected'
-        );
-
-        st.end();
-    });
-
-    t.test('throws if an invalid charset is specified', function (st) {
-        st['throws'](function () {
-            qs.stringify({ a: 'b' }, { charset: 'foobar' });
-        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
-        st.end();
-    });
-
-    t.test('respects a charset of iso-8859-1', function (st) {
-        st.equal(qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' }), '%E6=%E6');
-        st.end();
-    });
-
-    t.test('encodes unrepresentable chars as numeric entities in iso-8859-1 mode', function (st) {
-        st.equal(qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' }), 'a=%26%239786%3B');
-        st.end();
-    });
-
-    t.test('respects an explicit charset of utf-8 (the default)', function (st) {
-        st.equal(qs.stringify({ a: 'æ' }, { charset: 'utf-8' }), 'a=%C3%A6');
-        st.end();
-    });
-
-    t.test('`charsetSentinel` option', function (st) {
-        st.equal(
-            qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'utf-8' }),
-            'utf8=%E2%9C%93&a=%C3%A6',
-            'adds the right sentinel when instructed to and the charset is utf-8'
-        );
-
-        st.equal(
-            qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' }),
-            'utf8=%26%2310003%3B&a=%E6',
-            'adds the right sentinel when instructed to and the charset is iso-8859-1'
-        );
-
-        st.equal(
-            qs.stringify({ a: 1, b: 2 }, { charsetSentinel: true, delimiter: ';' }),
-            'utf8=%E2%9C%93;a=1;b=2',
-            'uses the configured delimiter after the sentinel'
-        );
-
-        st.end();
-    });
-
-    t.test('does not mutate the options argument', function (st) {
-        var options = {};
-        qs.stringify({}, options);
-        st.deepEqual(options, {});
-        st.end();
-    });
-
-    t.test('strictNullHandling works with custom filter', function (st) {
-        var filter = function (prefix, value) {
-            return value;
-        };
-
-        var options = { strictNullHandling: true, filter: filter };
-        st.equal(qs.stringify({ key: null }, options), 'key');
-        st.end();
-    });
-
-    t.test('strictNullHandling works with null serializeDate', function (st) {
-        var serializeDate = function () {
-            return null;
-        };
-        var options = { strictNullHandling: true, serializeDate: serializeDate };
-        var date = new Date();
-        st.equal(qs.stringify({ key: date }, options), 'key');
-        st.end();
-    });
-
-    t.test('allows for encoding keys and values differently', function (st) {
-        var encoder = function (str, defaultEncoder, charset, type) {
-            if (type === 'key') {
-                return defaultEncoder(str, defaultEncoder, charset, type).toLowerCase();
-            }
-            if (type === 'value') {
-                return defaultEncoder(str, defaultEncoder, charset, type).toUpperCase();
-            }
-            throw 'this should never happen! type: ' + type;
-        };
-
-        st.deepEqual(qs.stringify({ KeY: 'vAlUe' }, { encoder: encoder }), 'key=VALUE');
-
-        var noopEncoder = function () { return 'x'; };
-        noopEncoder();
-        st['throws'](
-            function () { encoder('x', noopEncoder, 'utf-8', 'unknown'); },
-            'this should never happen! type: unknown',
-            'encoder throws for unexpected type'
-        );
-
-        st.end();
-    });
-
-    t.test('objects inside arrays', function (st) {
-        var obj = { a: { b: { c: 'd', e: 'f' } } };
-        var withArray = { a: { b: [{ c: 'd', e: 'f' }] } };
-
-        st.equal(qs.stringify(obj, { encode: false }), 'a[b][c]=d&a[b][e]=f', 'no array, no arrayFormat');
-        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'brackets' }), 'a[b][c]=d&a[b][e]=f', 'no array, bracket');
-        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'indices' }), 'a[b][c]=d&a[b][e]=f', 'no array, indices');
-        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'repeat' }), 'a[b][c]=d&a[b][e]=f', 'no array, repeat');
-        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'comma' }), 'a[b][c]=d&a[b][e]=f', 'no array, comma');
-
-        st.equal(qs.stringify(withArray, { encode: false }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, no arrayFormat');
-        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'brackets' }), 'a[b][][c]=d&a[b][][e]=f', 'array, bracket');
-        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'indices' }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, indices');
-        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'repeat' }), 'a[b][c]=d&a[b][e]=f', 'array, repeat');
-        st.equal(
-            qs.stringify(withArray, { encode: false, arrayFormat: 'comma' }),
-            '???',
-            'array, comma',
-            { skip: 'TODO: figure out what this should do' }
-        );
-
-        st.end();
-    });
-
-    t.test('stringifies sparse arrays', function (st) {
-        /* eslint no-sparse-arrays: 0 */
-        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1]=2&a[4]=1');
-        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[]=2&a[]=1');
-        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a=2&a=1');
-
-        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][b][2][c]=1');
-        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][b][][c]=1');
-        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[b][c]=1');
-
-        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][2][3][c]=1');
-        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][][][c]=1');
-        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[c]=1');
-
-        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[1][2][3][c][1]=1');
-        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[][][][c][]=1');
-        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true, arrayFormat: 'repeat' }), 'a[c]=1');
-
-        st.end();
-    });
-
-    t.test('encodes a very long string', function (st) {
-        var chars = [];
-        var expected = [];
-        for (var i = 0; i < 5e3; i++) {
-            chars.push(' ' + i);
-
-            expected.push('%20' + i);
-        }
-
-        var obj = {
-            foo: chars.join('')
-        };
-
-        st.equal(
-            qs.stringify(obj, { arrayFormat: 'brackets', charset: 'utf-8' }),
-            'foo=' + expected.join('')
-        );
-
-        st.end();
-    });
-
-    t.end();
-});
-
-test('stringifies empty keys', function (t) {
-    emptyTestCases.forEach(function (testCase) {
-        t.test('stringifies an object with empty string key with ' + testCase.input, function (st) {
-            st.deepEqual(
-                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'indices' }),
-                testCase.stringifyOutput.indices,
-                'test case: ' + testCase.input + ', indices'
-            );
-            st.deepEqual(
-                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'brackets' }),
-                testCase.stringifyOutput.brackets,
-                'test case: ' + testCase.input + ', brackets'
-            );
-            st.deepEqual(
-                qs.stringify(testCase.withEmptyKeys, { encode: false, arrayFormat: 'repeat' }),
-                testCase.stringifyOutput.repeat,
-                'test case: ' + testCase.input + ', repeat'
-            );
-
-            st.end();
-        });
-    });
-
-    t.test('edge case with object/arrays', function (st) {
-        st.deepEqual(qs.stringify({ '': { '': [2, 3] } }, { encode: false }), '[][0]=2&[][1]=3');
-        st.deepEqual(qs.stringify({ '': { '': [2, 3], a: 2 } }, { encode: false }), '[][0]=2&[][1]=3&[a]=2');
-        st.deepEqual(qs.stringify({ '': { '': [2, 3] } }, { encode: false, arrayFormat: 'indices' }), '[][0]=2&[][1]=3');
-        st.deepEqual(qs.stringify({ '': { '': [2, 3], a: 2 } }, { encode: false, arrayFormat: 'indices' }), '[][0]=2&[][1]=3&[a]=2');
-
-        st.end();
-    });
-
-    t.test('stringifies non-string keys', function (st) {
-        var S = Object('abc');
-        S.toString = function () {
-            return 'd';
-        };
-        var actual = qs.stringify({ a: 'b', 'false': {}, 1e+22: 'c', d: 'e' }, {
-            filter: ['a', false, null, 10000000000000000000000, S],
-            allowDots: true,
-            encodeDotInKeys: true
-        });
-
-        st.equal(actual, 'a=b&1e%2B22=c&d=e', 'stringifies correctly');
-
-        st.end();
-    });
-
-    t.test('round-trips keys containing percent-encoded bracket text', function (st) {
-        var cases = [
-            { 'a%5Bb': 'c' },
-            { 'a%5Db': 'c' },
-            { 'a%255Bb': 'c' },
-            { 'a%255Db': 'c' },
-            { a: { 'b%5Bc': 'd' } },
-            { a: { 'b%255Bc': 'd' } },
-            { 'a%5B%255Bb': 'c' }
-        ];
-        for (var i = 0; i < cases.length; i++) {
-            st.deepEqual(
-                qs.parse(qs.stringify(cases[i])),
-                cases[i],
-                'round-trips ' + JSON.stringify(cases[i])
-            );
-        }
-
-        st.end();
-    });
-
-    t.test('parses input containing percent-encoded bracket text without mangling', function (st) {
-        st.deepEqual(qs.parse('a%25255Bb=c'), { 'a%255Bb': 'c' }, 'a%25255Bb decodes to a%255Bb, not a%5Bb');
-        st.deepEqual(qs.parse('a%25255Db=c'), { 'a%255Db': 'c' }, 'a%25255Db decodes to a%255Db, not a%5Db');
-        st.deepEqual(qs.parse('a%5Bb%25255Bc%5D=d'), { a: { 'b%255Bc': 'd' } }, 'nested %25255B decodes to %255B inside segment, not %5B');
-
-        st.end();
-    });
-});