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* Install test dependencies. * Add initial test files. These files were created using a simplistic AST manipulator using `recast` to preserve formatting. There's bound to be a huge chunk of errors, but this serves as a good start. QUnit was replaced with Mocha, with ES2015 imports running via `esm`. As far as possible, QUnit-specific syntax has been replaced with Mocha's `describe` and `it`, while the native Node.js `assert` module is used for assertions. Files in the `test` directory ending in `.test.js` will be treated as test files. * Add initial passing files to test run.
295 lines
9.5 KiB
JavaScript
295 lines
9.5 KiB
JavaScript
import assert from 'assert';
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import lodashStable from 'lodash';
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import { _, stubTrue, noop, numberProto, stubFalse, empties } from './utils.js';
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import isMatch from '../isMatch.js';
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describe('matches methods', function() {
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lodashStable.each(['matches', 'isMatch'], function(methodName) {
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var isMatches = methodName == 'matches';
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function matches(source) {
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return isMatches ? _.matches(source) : function(object) {
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return isMatch(object, source);
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};
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}
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it('`_.' + methodName + '` should perform a deep comparison between `source` and `object`', function() {
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var object = { 'a': 1, 'b': 2, 'c': 3 },
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par = matches({ 'a': 1 });
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assert.strictEqual(par(object), true);
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par = matches({ 'b': 1 });
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assert.strictEqual(par(object), false);
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par = matches({ 'a': 1, 'c': 3 });
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assert.strictEqual(par(object), true);
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par = matches({ 'c': 3, 'd': 4 });
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assert.strictEqual(par(object), false);
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object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 };
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par = matches({ 'a': { 'b': { 'c': 1 } } });
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assert.strictEqual(par(object), true);
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});
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it('`_.' + methodName + '` should match inherited string keyed `object` properties', function() {
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function Foo() {
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this.a = 1;
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}
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Foo.prototype.b = 2;
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var object = { 'a': new Foo },
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par = matches({ 'a': { 'b': 2 } });
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assert.strictEqual(par(object), true);
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});
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it('`_.' + methodName + '` should not match by inherited `source` properties', function() {
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function Foo() {
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this.a = 1;
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}
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Foo.prototype.b = 2;
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var objects = [{ 'a': 1 }, { 'a': 1, 'b': 2 }],
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source = new Foo,
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actual = lodashStable.map(objects, matches(source)),
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expected = lodashStable.map(objects, stubTrue);
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assert.deepStrictEqual(actual, expected);
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});
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it('`_.' + methodName + '` should compare a variety of `source` property values', function() {
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var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } },
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object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } },
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par = matches(object1);
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assert.strictEqual(par(object1), true);
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assert.strictEqual(par(object2), false);
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});
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it('`_.' + methodName + '` should match `-0` as `0`', function() {
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var object1 = { 'a': -0 },
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object2 = { 'a': 0 },
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par = matches(object1);
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assert.strictEqual(par(object2), true);
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par = matches(object2);
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assert.strictEqual(par(object1), true);
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});
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it('`_.' + methodName + '` should compare functions by reference', function() {
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var object1 = { 'a': lodashStable.noop },
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object2 = { 'a': noop },
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object3 = { 'a': {} },
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par = matches(object1);
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assert.strictEqual(par(object1), true);
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assert.strictEqual(par(object2), false);
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assert.strictEqual(par(object3), false);
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});
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it('`_.' + methodName + '` should work with a function for `object`', function() {
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function Foo() {}
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Foo.a = { 'b': 2, 'c': 3 };
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var par = matches({ 'a': { 'b': 2 } });
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assert.strictEqual(par(Foo), true);
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});
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it('`_.' + methodName + '` should work with a function for `source`', function() {
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function Foo() {}
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Foo.a = 1;
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Foo.b = function() {};
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Foo.c = 3;
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var objects = [{ 'a': 1 }, { 'a': 1, 'b': Foo.b, 'c': 3 }],
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actual = lodashStable.map(objects, matches(Foo));
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assert.deepStrictEqual(actual, [false, true]);
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});
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it('`_.' + methodName + '` should work with a non-plain `object`', function() {
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function Foo(object) { lodashStable.assign(this, object); }
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var object = new Foo({ 'a': new Foo({ 'b': 2, 'c': 3 }) }),
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par = matches({ 'a': { 'b': 2 } });
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assert.strictEqual(par(object), true);
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});
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it('`_.' + methodName + '` should partial match arrays', function() {
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var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }],
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actual = lodashStable.filter(objects, matches({ 'a': ['d'] }));
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assert.deepStrictEqual(actual, [objects[1]]);
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actual = lodashStable.filter(objects, matches({ 'a': ['b', 'd'] }));
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assert.deepStrictEqual(actual, []);
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actual = lodashStable.filter(objects, matches({ 'a': ['d', 'b'] }));
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assert.deepStrictEqual(actual, []);
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});
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it('`_.' + methodName + '` should partial match arrays with duplicate values', function() {
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var objects = [{ 'a': [1, 2] }, { 'a': [2, 2] }],
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actual = lodashStable.filter(objects, matches({ 'a': [2, 2] }));
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assert.deepStrictEqual(actual, [objects[1]]);
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});
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it('should partial match arrays of objects', function() {
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var objects = [
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{ 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5, 'd': 6 }] },
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{ 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 6, 'd': 7 }] }
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];
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var actual = lodashStable.filter(objects, matches({ 'a': [{ 'b': 1 }, { 'b': 4, 'c': 5 }] }));
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assert.deepStrictEqual(actual, [objects[0]]);
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});
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it('`_.' + methodName + '` should partial match maps', function() {
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if (Map) {
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var objects = [{ 'a': new Map }, { 'a': new Map }];
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objects[0].a.set('a', 1);
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objects[1].a.set('a', 1);
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objects[1].a.set('b', 2);
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var map = new Map;
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map.set('b', 2);
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var actual = lodashStable.filter(objects, matches({ 'a': map }));
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assert.deepStrictEqual(actual, [objects[1]]);
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map.delete('b');
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actual = lodashStable.filter(objects, matches({ 'a': map }));
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assert.deepStrictEqual(actual, objects);
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map.set('c', 3);
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actual = lodashStable.filter(objects, matches({ 'a': map }));
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assert.deepStrictEqual(actual, []);
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}
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});
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it('`_.' + methodName + '` should partial match sets', function() {
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if (Set) {
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var objects = [{ 'a': new Set }, { 'a': new Set }];
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objects[0].a.add(1);
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objects[1].a.add(1);
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objects[1].a.add(2);
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var set = new Set;
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set.add(2);
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var actual = lodashStable.filter(objects, matches({ 'a': set }));
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assert.deepStrictEqual(actual, [objects[1]]);
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set.delete(2);
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actual = lodashStable.filter(objects, matches({ 'a': set }));
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assert.deepStrictEqual(actual, objects);
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set.add(3);
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actual = lodashStable.filter(objects, matches({ 'a': set }));
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assert.deepStrictEqual(actual, []);
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}
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});
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it('`_.' + methodName + '` should match `undefined` values', function() {
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var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }],
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actual = lodashStable.map(objects, matches({ 'b': undefined })),
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expected = [false, false, true];
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assert.deepStrictEqual(actual, expected);
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actual = lodashStable.map(objects, matches({ 'a': 1, 'b': undefined }));
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assert.deepStrictEqual(actual, expected);
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objects = [{ 'a': { 'b': 2 } }, { 'a': { 'b': 2, 'c': 3 } }, { 'a': { 'b': 2, 'c': undefined } }];
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actual = lodashStable.map(objects, matches({ 'a': { 'c': undefined } }));
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assert.deepStrictEqual(actual, expected);
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});
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it('`_.' + methodName + '` should match `undefined` values on primitives', function() {
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numberProto.a = 1;
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numberProto.b = undefined;
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try {
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var par = matches({ 'b': undefined });
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assert.strictEqual(par(1), true);
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} catch (e) {
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assert.ok(false, e.message);
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}
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try {
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par = matches({ 'a': 1, 'b': undefined });
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assert.strictEqual(par(1), true);
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} catch (e) {
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assert.ok(false, e.message);
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}
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numberProto.a = { 'b': 1, 'c': undefined };
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try {
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par = matches({ 'a': { 'c': undefined } });
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assert.strictEqual(par(1), true);
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} catch (e) {
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assert.ok(false, e.message);
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}
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delete numberProto.a;
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delete numberProto.b;
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});
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it('`_.' + methodName + '` should return `false` when `object` is nullish', function() {
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var values = [, null, undefined],
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expected = lodashStable.map(values, stubFalse),
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par = matches({ 'a': 1 });
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var actual = lodashStable.map(values, function(value, index) {
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try {
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return index ? par(value) : par();
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} catch (e) {}
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});
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assert.deepStrictEqual(actual, expected);
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});
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it('`_.' + methodName + '` should return `true` when comparing an empty `source`', function() {
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var object = { 'a': 1 },
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expected = lodashStable.map(empties, stubTrue);
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var actual = lodashStable.map(empties, function(value) {
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var par = matches(value);
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return par(object);
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});
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assert.deepStrictEqual(actual, expected);
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});
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it('`_.' + methodName + '` should return `true` when comparing an empty `source` to a nullish `object`', function() {
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var values = [, null, undefined],
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expected = lodashStable.map(values, stubTrue),
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par = matches({});
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var actual = lodashStable.map(values, function(value, index) {
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try {
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return index ? par(value) : par();
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} catch (e) {}
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});
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assert.deepStrictEqual(actual, expected);
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});
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it('`_.' + methodName + '` should return `true` when comparing a `source` of empty arrays and objects', function() {
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var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }],
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actual = lodashStable.filter(objects, matches({ 'a': [], 'b': {} }));
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assert.deepStrictEqual(actual, objects);
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});
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});
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});
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