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-rw-r--r--node_modules/qs/test/utils.js626
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diff --git a/node_modules/qs/test/utils.js b/node_modules/qs/test/utils.js
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+'use strict';
+
+var test = require('tape');
+var inspect = require('object-inspect');
+var SaferBuffer = require('safer-buffer').Buffer;
+var forEach = require('for-each');
+var v = require('es-value-fixtures');
+
+var utils = require('../lib/utils');
+
+test('merge()', function (t) {
+ t.deepEqual(utils.merge(null, true), [null, true], 'merges true into null');
+
+ t.deepEqual(utils.merge(null, [42]), [null, 42], 'merges null into an array');
+
+ t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key');
+
+ var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } });
+ t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array');
+
+ var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } });
+ t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array');
+
+ var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' });
+ t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array');
+
+ var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] });
+ t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] });
+
+ var noOptionsNonObjectSource = utils.merge({ foo: 'baz' }, 'bar');
+ t.deepEqual(noOptionsNonObjectSource, { foo: 'baz', bar: true });
+
+ var func = function f() {};
+ func();
+ t.deepEqual(
+ utils.merge(func, { foo: 'bar' }),
+ [func, { foo: 'bar' }],
+ 'functions can not be merged into'
+ );
+
+ func.bar = 'baz';
+ t.deepEqual(
+ utils.merge({ foo: 'bar' }, func),
+ { foo: 'bar', bar: 'baz' },
+ 'functions can be merge sources'
+ );
+
+ t.test(
+ 'avoids invoking array setters unnecessarily',
+ { skip: typeof Object.defineProperty !== 'function' },
+ function (st) {
+ var setCount = 0;
+ var getCount = 0;
+ var observed = [];
+ Object.defineProperty(observed, 0, {
+ get: function () {
+ getCount += 1;
+ return { bar: 'baz' };
+ },
+ set: function () { setCount += 1; }
+ });
+ utils.merge(observed, [null]);
+ st.equal(setCount, 0);
+ st.equal(getCount, 1);
+ observed[0] = observed[0]; // eslint-disable-line no-self-assign
+ st.equal(setCount, 1);
+ st.equal(getCount, 2);
+
+ st.end();
+ }
+ );
+
+ t.test('with overflow objects (from arrayLimit)', function (st) {
+ // arrayLimit is max index, so with limit 0, max index 0 is allowed (1 element)
+ // To create overflow, need 2+ elements with limit 0, or 3+ with limit 1, etc.
+ st.test('merges primitive into overflow object at next index', function (s2t) {
+ // Create an overflow object via combine: 3 elements (indices 0-2) with limit 0
+ var overflow = utils.combine(['a', 'b'], 'c', 0, false);
+ s2t.ok(utils.isOverflow(overflow), 'overflow object is marked');
+ var merged = utils.merge(overflow, 'd');
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b', 2: 'c', 3: 'd' }, 'adds primitive at next numeric index');
+
+ s2t.end();
+ });
+
+ st.test('merges primitive into regular object with numeric keys normally', function (s2t) {
+ var obj = { 0: 'a', 1: 'b' };
+ s2t.notOk(utils.isOverflow(obj), 'plain object is not marked as overflow');
+ var merged = utils.merge(obj, 'c');
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b', c: true }, 'adds primitive as key (not at next index)');
+ s2t.end();
+ });
+
+ st.test('merges primitive into object with non-numeric keys normally', function (s2t) {
+ var obj = { foo: 'bar' };
+ var merged = utils.merge(obj, 'baz');
+ s2t.deepEqual(merged, { foo: 'bar', baz: true }, 'adds primitive as key with value true');
+
+ s2t.end();
+ });
+
+ st.test('with strictMerge, wraps object and primitive in array', function (s2t) {
+ var obj = { foo: 'bar' };
+ var merged = utils.merge(obj, 'baz', { strictMerge: true });
+ s2t.deepEqual(merged, [{ foo: 'bar' }, 'baz'], 'wraps in array with strictMerge');
+ s2t.end();
+ });
+
+ st.test('merges overflow object into primitive', function (s2t) {
+ // Create an overflow object via combine: 2 elements (indices 0-1) with limit 0
+ var overflow = utils.combine(['a'], 'b', 0, false);
+ s2t.ok(utils.isOverflow(overflow), 'overflow object is marked');
+ var merged = utils.merge('c', overflow);
+ s2t.ok(utils.isOverflow(merged), 'result is also marked as overflow');
+ s2t.deepEqual(merged, { 0: 'c', 1: 'a', 2: 'b' }, 'creates object with primitive at 0, source values shifted');
+
+ s2t.end();
+ });
+
+ st.test('merges overflow object into primitive with plainObjects', function (s2t) {
+ var overflow = utils.combine(['a'], 'b', 0, false);
+ s2t.ok(utils.isOverflow(overflow), 'overflow object is marked');
+ var merged = utils.merge('c', overflow, { plainObjects: true });
+ s2t.ok(utils.isOverflow(merged), 'result is also marked as overflow');
+ s2t.deepEqual(merged, { __proto__: null, 0: 'c', 1: 'a', 2: 'b' }, 'creates null-proto object with primitive at 0');
+
+ s2t.end();
+ });
+
+ st.test('merges overflow object with multiple values into primitive', function (s2t) {
+ // Create an overflow object via combine: 3 elements (indices 0-2) with limit 0
+ var overflow = utils.combine(['b', 'c'], 'd', 0, false);
+ s2t.ok(utils.isOverflow(overflow), 'overflow object is marked');
+ var merged = utils.merge('a', overflow);
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b', 2: 'c', 3: 'd' }, 'shifts all source indices by 1');
+
+ s2t.end();
+ });
+
+ st.test('merges regular object into primitive as array', function (s2t) {
+ var obj = { foo: 'bar' };
+ var merged = utils.merge('a', obj);
+ s2t.deepEqual(merged, ['a', { foo: 'bar' }], 'creates array with primitive and object');
+
+ s2t.end();
+ });
+
+ st.test('merges primitive into array that exceeds arrayLimit', function (s2t) {
+ var arr = ['a', 'b', 'c'];
+ var merged = utils.merge(arr, 'd', { arrayLimit: 1 });
+ s2t.ok(utils.isOverflow(merged), 'result is marked as overflow');
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b', 2: 'c', 3: 'd' }, 'converts to overflow object with primitive appended');
+
+ s2t.end();
+ });
+
+ st.test('merges array into primitive that exceeds arrayLimit', function (s2t) {
+ var merged = utils.merge('a', ['b', 'c'], { arrayLimit: 1 });
+ s2t.ok(utils.isOverflow(merged), 'result is marked as overflow');
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b', 2: 'c' }, 'converts to overflow object');
+
+ s2t.end();
+ });
+
+ st.test('merges primitive into array at the arrayLimit boundary, consistently with combine', function (s2t) {
+ var merged = utils.merge(['a'], 'b', { arrayLimit: 1 });
+ s2t.ok(utils.isOverflow(merged), 'result is marked as overflow at the boundary');
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b' }, 'converts to overflow object instead of a length-2 array');
+
+ s2t.end();
+ });
+
+ st.test('merges two arrays that exceed arrayLimit into an overflow object', function (s2t) {
+ var merged = utils.merge(['a'], ['b'], { arrayLimit: 1 });
+ s2t.ok(utils.isOverflow(merged), 'result is marked as overflow');
+ s2t.deepEqual(merged, { 0: 'a', 1: 'b' }, 'array-into-array merge enforces arrayLimit like combine');
+
+ s2t.end();
+ });
+
+ st.test('throws at the arrayLimit boundary when merging a primitive into an array with throwOnLimitExceeded', function (s2t) {
+ s2t['throws'](
+ function () { utils.merge(['a'], 'b', { arrayLimit: 1, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 1 element allowed in an array.'),
+ 'throws when the resulting length would exceed arrayLimit'
+ );
+
+ s2t.end();
+ });
+
+ st.test('throws when merging two arrays past arrayLimit with throwOnLimitExceeded', function (s2t) {
+ s2t['throws'](
+ function () { utils.merge(['a'], ['b'], { arrayLimit: 1, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 1 element allowed in an array.'),
+ 'array-into-array merge throws rather than silently exceeding arrayLimit'
+ );
+ s2t['throws'](
+ function () { utils.merge(['a', 'b', 'c'], ['d', 'e', 'f'], { arrayLimit: 2, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 2 elements allowed in an array.'),
+ 'uses the plural message when arrayLimit is not 1'
+ );
+
+ s2t.end();
+ });
+
+ st.test('throws instead of merging primitive into over-limit array when throwOnLimitExceeded is set', function (s2t) {
+ s2t['throws'](
+ function () { utils.merge(['a', 'b', 'c'], 'd', { arrayLimit: 1, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 1 element allowed in an array.'),
+ 'throws rather than converting to an overflow object'
+ );
+ s2t['throws'](
+ function () { utils.merge(['a', 'b', 'c'], 'd', { arrayLimit: 2, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 2 elements allowed in an array.'),
+ 'uses the plural message when arrayLimit is not 1'
+ );
+
+ s2t.end();
+ });
+
+ st.test('throws instead of merging array into primitive when throwOnLimitExceeded is set', function (s2t) {
+ s2t['throws'](
+ function () { utils.merge('a', ['b', 'c'], { arrayLimit: 1, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 1 element allowed in an array.'),
+ 'throws rather than converting to an overflow object'
+ );
+ s2t['throws'](
+ function () { utils.merge('a', ['b', 'c', 'd'], { arrayLimit: 2, throwOnLimitExceeded: true }); },
+ new RangeError('Array limit exceeded. Only 2 elements allowed in an array.'),
+ 'uses the plural message when arrayLimit is not 1'
+ );
+
+ s2t.end();
+ });
+
+ st.end();
+ });
+
+ t.end();
+});
+
+test('assign()', function (t) {
+ var target = { a: 1, b: 2 };
+ var source = { b: 3, c: 4 };
+ var result = utils.assign(target, source);
+
+ t.equal(result, target, 'returns the target');
+ t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged');
+ t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched');
+
+ t.end();
+});
+
+test('combine()', function (t) {
+ t.test('both arrays', function (st) {
+ var a = [1];
+ var b = [2];
+ var combined = utils.combine(a, b);
+
+ st.deepEqual(a, [1], 'a is not mutated');
+ st.deepEqual(b, [2], 'b is not mutated');
+ st.notEqual(a, combined, 'a !== combined');
+ st.notEqual(b, combined, 'b !== combined');
+ st.deepEqual(combined, [1, 2], 'combined is a + b');
+
+ st.end();
+ });
+
+ t.test('one array, one non-array', function (st) {
+ var aN = 1;
+ var a = [aN];
+ var bN = 2;
+ var b = [bN];
+
+ var combinedAnB = utils.combine(aN, b);
+ st.deepEqual(b, [bN], 'b is not mutated');
+ st.notEqual(aN, combinedAnB, 'aN + b !== aN');
+ st.notEqual(a, combinedAnB, 'aN + b !== a');
+ st.notEqual(bN, combinedAnB, 'aN + b !== bN');
+ st.notEqual(b, combinedAnB, 'aN + b !== b');
+ st.deepEqual([1, 2], combinedAnB, 'first argument is array-wrapped when not an array');
+
+ var combinedABn = utils.combine(a, bN);
+ st.deepEqual(a, [aN], 'a is not mutated');
+ st.notEqual(aN, combinedABn, 'a + bN !== aN');
+ st.notEqual(a, combinedABn, 'a + bN !== a');
+ st.notEqual(bN, combinedABn, 'a + bN !== bN');
+ st.notEqual(b, combinedABn, 'a + bN !== b');
+ st.deepEqual([1, 2], combinedABn, 'second argument is array-wrapped when not an array');
+
+ st.end();
+ });
+
+ t.test('neither is an array', function (st) {
+ var combined = utils.combine(1, 2);
+ st.notEqual(1, combined, '1 + 2 !== 1');
+ st.notEqual(2, combined, '1 + 2 !== 2');
+ st.deepEqual([1, 2], combined, 'both arguments are array-wrapped when not an array');
+
+ st.end();
+ });
+
+ t.test('with arrayLimit', function (st) {
+ st.test('under the limit', function (s2t) {
+ var combined = utils.combine(['a', 'b'], 'c', 10, false);
+ s2t.deepEqual(combined, ['a', 'b', 'c'], 'returns array when under limit');
+ s2t.ok(Array.isArray(combined), 'result is an array');
+ s2t.end();
+ });
+
+ st.test('exactly at the limit stays as array', function (s2t) {
+ var combined = utils.combine(['a', 'b'], 'c', 3, false);
+ s2t.deepEqual(combined, ['a', 'b', 'c'], 'stays as array when count equals limit');
+ s2t.ok(Array.isArray(combined), 'result is an array');
+ s2t.end();
+ });
+
+ st.test('over the limit', function (s2t) {
+ var combined = utils.combine(['a', 'b', 'c'], 'd', 3, false);
+ s2t.deepEqual(combined, { 0: 'a', 1: 'b', 2: 'c', 3: 'd' }, 'converts to object when over limit');
+ s2t.notOk(Array.isArray(combined), 'result is not an array');
+ s2t.end();
+ });
+
+ st.test('with arrayLimit 1', function (s2t) {
+ var combined = utils.combine([], 'a', 1, false);
+ s2t.deepEqual(combined, ['a'], 'stays as array when count equals limit');
+ s2t.ok(Array.isArray(combined), 'result is an array');
+ s2t.end();
+ });
+
+ st.test('with arrayLimit 0 converts single element to object', function (s2t) {
+ var combined = utils.combine([], 'a', 0, false);
+ s2t.deepEqual(combined, { 0: 'a' }, 'converts to object when count exceeds limit');
+ s2t.notOk(Array.isArray(combined), 'result is not an array');
+ s2t.end();
+ });
+
+ st.test('with arrayLimit 0 and two elements converts to object', function (s2t) {
+ var combined = utils.combine(['a'], 'b', 0, false);
+ s2t.deepEqual(combined, { 0: 'a', 1: 'b' }, 'converts to object when count exceeds limit');
+ s2t.notOk(Array.isArray(combined), 'result is not an array');
+ s2t.end();
+ });
+
+ st.test('with plainObjects option', function (s2t) {
+ var combined = utils.combine(['a', 'b'], 'c', 1, true);
+ var expected = { __proto__: null, 0: 'a', 1: 'b', 2: 'c' };
+ s2t.deepEqual(combined, expected, 'converts to object with null prototype');
+ s2t.equal(Object.getPrototypeOf(combined), null, 'result has null prototype when plainObjects is true');
+ s2t.end();
+ });
+
+ st.end();
+ });
+
+ t.test('with throwOnLimitExceeded', function (st) {
+ st.test('throws when concatenation exceeds the limit', function (s2t) {
+ s2t['throws'](
+ function () { utils.combine(['a', 'b', 'c'], 'd', 3, false, true); },
+ new RangeError('Array limit exceeded. Only 3 elements allowed in an array.'),
+ 'throws instead of converting to an overflow object'
+ );
+ s2t['throws'](
+ function () { utils.combine([], 'a', 0, false, true); },
+ new RangeError('Array limit exceeded. Only 0 elements allowed in an array.'),
+ 'throws with the correct count at arrayLimit 0'
+ );
+ s2t.end();
+ });
+
+ st.test('throws when adding to an existing overflow object', function (s2t) {
+ var overflow = utils.combine(['a', 'b'], 'c', 0, false);
+ s2t.ok(utils.isOverflow(overflow), 'initial object is marked as overflow');
+
+ s2t['throws'](
+ function () { utils.combine(overflow, 'd', 0, false, true); },
+ new RangeError('Array limit exceeded. Only 0 elements allowed in an array.'),
+ 'throws rather than appending to the overflow object'
+ );
+ s2t['throws'](
+ function () { utils.combine(overflow, 'd', 1, false, true); },
+ new RangeError('Array limit exceeded. Only 1 element allowed in an array.'),
+ 'uses the singular message at arrayLimit 1'
+ );
+ s2t.end();
+ });
+
+ st.test('does not throw when within the limit', function (s2t) {
+ var combined = utils.combine(['a'], 'b', 5, false, true);
+ s2t.deepEqual(combined, ['a', 'b'], 'returns the array unchanged when under the limit');
+ s2t.end();
+ });
+
+ st.end();
+ });
+
+ t.test('with existing overflow object', function (st) {
+ st.test('adds to existing overflow object at next index', function (s2t) {
+ // Create overflow object first via combine: 3 elements (indices 0-2) with limit 0
+ var overflow = utils.combine(['a', 'b'], 'c', 0, false);
+ s2t.ok(utils.isOverflow(overflow), 'initial object is marked as overflow');
+
+ var combined = utils.combine(overflow, 'd', 10, false);
+ s2t.equal(combined, overflow, 'returns the same object (mutated)');
+ s2t.deepEqual(combined, { 0: 'a', 1: 'b', 2: 'c', 3: 'd' }, 'adds value at next numeric index');
+ s2t.end();
+ });
+
+ st.test('does not treat plain object with numeric keys as overflow', function (s2t) {
+ var plainObj = { 0: 'a', 1: 'b' };
+ s2t.notOk(utils.isOverflow(plainObj), 'plain object is not marked as overflow');
+
+ // combine treats this as a regular value, not an overflow object to append to
+ var combined = utils.combine(plainObj, 'c', 10, false);
+ s2t.deepEqual(combined, [{ 0: 'a', 1: 'b' }, 'c'], 'concatenates as regular values');
+ s2t.end();
+ });
+
+ st.end();
+ });
+
+ t.end();
+});
+
+test('decode', function (t) {
+ t.equal(
+ utils.decode('a+b'),
+ 'a b',
+ 'decodes + to space'
+ );
+
+ t.equal(
+ utils.decode('name%2Eobj'),
+ 'name.obj',
+ 'decodes a string'
+ );
+ t.equal(
+ utils.decode('name%2Eobj%2Efoo', null, 'iso-8859-1'),
+ 'name.obj.foo',
+ 'decodes a string in iso-8859-1'
+ );
+
+ t.end();
+});
+
+test('encode', function (t) {
+ forEach(v.nullPrimitives, function (nullish) {
+ t['throws'](
+ function () { utils.encode(nullish); },
+ TypeError,
+ inspect(nullish) + ' is not a string'
+ );
+ });
+
+ t.equal(utils.encode(''), '', 'empty string returns itself');
+ t.deepEqual(utils.encode([]), [], 'empty array returns itself');
+ t.deepEqual(utils.encode({ length: 0 }), { length: 0 }, 'empty arraylike returns itself');
+
+ t.test('symbols', { skip: !v.hasSymbols }, function (st) {
+ st.equal(utils.encode(Symbol('x')), 'Symbol%28x%29', 'symbol is encoded');
+
+ st.end();
+ });
+
+ t.equal(
+ utils.encode('(abc)'),
+ '%28abc%29',
+ 'encodes parentheses'
+ );
+ t.equal(
+ utils.encode({ toString: function () { return '(abc)'; } }),
+ '%28abc%29',
+ 'toStrings and encodes parentheses'
+ );
+
+ t.equal(
+ utils.encode('abc 123 💩', null, 'iso-8859-1'),
+ 'abc%20123%20%26%2355357%3B%26%2356489%3B',
+ 'encodes in iso-8859-1'
+ );
+
+ var longString = '';
+ var expectedString = '';
+ for (var i = 0; i < 1500; i++) {
+ longString += ' ';
+ expectedString += '%20';
+ }
+
+ t.equal(
+ utils.encode(longString),
+ expectedString,
+ 'encodes a long string'
+ );
+
+ var boundary = '';
+ var expected = '';
+ for (var j = 0; j < 1023; j++) {
+ boundary += 'a';
+ expected += 'a';
+ }
+ boundary += '😀';
+ expected += '%F0%9F%98%80';
+
+ t.equal(
+ utils.encode(boundary),
+ expected,
+ 'encodes a surrogate pair split across long-string chunks'
+ );
+
+ var laterBoundary = '';
+ var laterExpected = '';
+ for (var k = 0; k < 2047; k++) {
+ laterBoundary += 'a';
+ laterExpected += 'a';
+ }
+ laterBoundary += '😀';
+ laterExpected += '%F0%9F%98%80';
+
+ t.equal(
+ utils.encode(laterBoundary),
+ laterExpected,
+ 'encodes a surrogate pair split across a later chunk boundary'
+ );
+
+ var twoPairs = '';
+ for (k = 0; k < 1023; k++) {
+ twoPairs += 'a';
+ }
+ twoPairs += '😀';
+ for (k = 0; k < 1022; k++) {
+ twoPairs += 'b';
+ }
+ twoPairs += '😀';
+
+ t.equal(
+ (utils.encode(twoPairs).match(/%F0%9F%98%80/g) || []).length,
+ 2,
+ 'encodes two surrogate pairs each split across a chunk boundary'
+ );
+
+ var roundTrip = '';
+ for (k = 0; k < 1023; k++) {
+ roundTrip += 'a';
+ }
+ roundTrip += '😀';
+
+ t.equal(
+ decodeURIComponent(utils.encode(roundTrip)),
+ roundTrip,
+ 'a boundary-split surrogate pair round-trips through decodeURIComponent'
+ );
+
+ var loneBoundary = '';
+ var loneExpected = '';
+ for (k = 0; k < 1023; k++) {
+ loneBoundary += 'a';
+ loneExpected += 'a';
+ }
+ loneBoundary += '\uD83DX';
+ loneExpected += '%F0%9F%91%98';
+
+ t.equal(
+ utils.encode(loneBoundary),
+ loneExpected,
+ 'a lone high surrogate at a chunk boundary encodes the same as mid-chunk'
+ );
+
+ t.equal(
+ utils.encode('\x28\x29'),
+ '%28%29',
+ 'encodes parens normally'
+ );
+ t.equal(
+ utils.encode('\x28\x29', null, null, null, 'RFC1738'),
+ '()',
+ 'does not encode parens in RFC1738'
+ );
+
+ // todo RFC1738 format
+
+ t.equal(
+ utils.encode('Āက豈'),
+ '%C4%80%E1%80%80%EF%A4%80',
+ 'encodes multibyte chars'
+ );
+
+ t.equal(
+ utils.encode('\uD83D \uDCA9'),
+ '%F0%9F%90%A0%F0%BA%90%80',
+ 'encodes lone surrogates'
+ );
+
+ t.end();
+});
+
+test('isBuffer()', function (t) {
+ var fn = function () {};
+ fn();
+ forEach([null, undefined, true, false, '', 'abc', 42, 0, NaN, {}, [], fn, /a/g], function (x) {
+ t.equal(utils.isBuffer(x), false, inspect(x) + ' is not a buffer');
+ });
+
+ var fakeBuffer = { constructor: Buffer };
+ t.equal(utils.isBuffer(fakeBuffer), false, 'fake buffer is not a buffer');
+
+ var saferBuffer = SaferBuffer.from('abc');
+ t.equal(utils.isBuffer(saferBuffer), true, 'SaferBuffer instance is a buffer');
+
+ var buffer = SaferBuffer.from('abc');
+ t.notEqual(saferBuffer, buffer, 'different buffer instances');
+ t.equal(utils.isBuffer(buffer), true, 'another Buffer instance is a buffer');
+ t.end();
+});
+
+test('isRegExp()', function (t) {
+ t.equal(utils.isRegExp(/a/g), true, 'RegExp is a RegExp');
+ t.equal(utils.isRegExp(new RegExp('a', 'g')), true, 'new RegExp is a RegExp');
+ t.equal(utils.isRegExp(new Date()), false, 'Date is not a RegExp');
+
+ forEach(v.primitives, function (primitive) {
+ t.equal(utils.isRegExp(primitive), false, inspect(primitive) + ' is not a RegExp');
+ });
+
+ t.end();
+});