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https://github.com/whoisclebs/lodash.git
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Cleanup "find" tests.
This commit is contained in:
John-David Dalton
341
test/test.js
341
test/test.js
@@ -5747,209 +5747,184 @@
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/*--------------------------------------------------------------------------*/
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lodashStable.each(['find', 'findLast', 'findIndex', 'findLastIndex', 'findKey', 'findLastKey'], function(methodName) {
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lodashStable.each(['find', 'findIndex', 'findKey', 'findLast', 'findLastIndex', 'findLastKey'], function(methodName) {
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QUnit.module('lodash.' + methodName);
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var func = _[methodName];
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var array = [1, 2, 3, 4],
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func = _[methodName];
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(function() {
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var objects = [
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{ 'a': 0, 'b': 0 },
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{ 'a': 1, 'b': 1 },
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{ 'a': 2, 'b': 2 }
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];
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var objects = [
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{ 'a': 0, 'b': 0 },
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{ 'a': 1, 'b': 1 },
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{ 'a': 2, 'b': 2 }
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];
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var expected = ({
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'find': [objects[1], undefined, objects[2]],
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'findLast': [objects[2], undefined, objects[2]],
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'findIndex': [1, -1, 2],
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'findLastIndex': [2, -1, 2],
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'findKey': ['1', undefined, '2'],
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'findLastKey': ['2', undefined, '2']
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})[methodName];
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var expected = ({
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'find': [objects[1], undefined, objects[2]],
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'findIndex': [1, -1, 2],
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'findKey': ['1', undefined, '2'],
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'findLast': [objects[2], undefined, objects[2]],
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'findLastIndex': [2, -1, 2],
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'findLastKey': ['2', undefined, '2']
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})[methodName];
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QUnit.test('`_.' + methodName + '` should return the found value', function(assert) {
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assert.expect(1);
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QUnit.test('`_.' + methodName + '` should return the found value', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, function(object) { return object.a; }), expected[0]);
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assert.strictEqual(func(objects, function(object) { return object.a; }), expected[0]);
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});
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QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` if value is not found', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, function(object) { return object.a === 3; }), expected[1]);
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});
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QUnit.test('`_.' + methodName + '` should work with `_.matches` shorthands', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, { 'b': 2 }), expected[2]);
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});
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QUnit.test('`_.' + methodName + '` should work with `_.matchesProperty` shorthands', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, ['b', 2]), expected[2]);
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});
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QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, 'b'), expected[0]);
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});
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QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` for empty collections', function(assert) {
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assert.expect(1);
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var emptyValues = lodashStable.endsWith(methodName, 'Index') ? lodashStable.reject(empties, lodashStable.isPlainObject) : empties,
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expecting = lodashStable.map(emptyValues, lodashStable.constant(expected[1]));
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var actual = lodashStable.map(emptyValues, function(value) {
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try {
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return func(value, { 'a': 3 });
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} catch (e) {}
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});
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QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` if value is not found', function(assert) {
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assert.expect(1);
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assert.deepEqual(actual, expecting);
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});
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assert.strictEqual(func(objects, function(object) { return object.a === 3; }), expected[1]);
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});
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QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
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assert.expect(1);
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var expected = ({
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'find': 1,
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'findIndex': 0,
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'findKey': '0',
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'findLast': 4,
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'findLastIndex': 3,
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'findLastKey': '3'
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})[methodName];
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if (!isNpm) {
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assert.strictEqual(_(array)[methodName](), expected);
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}
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else {
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skipAssert(assert);
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}
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});
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QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
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assert.expect(1);
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if (!isNpm) {
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assert.ok(_(array).chain()[methodName]() instanceof _);
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}
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else {
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skipAssert(assert);
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}
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});
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QUnit.test('`_.' + methodName + '` should not execute immediately when explicitly chaining', function(assert) {
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assert.expect(1);
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if (!isNpm) {
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var wrapped = _(array).chain()[methodName]();
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assert.strictEqual(wrapped.__wrapped__, array);
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}
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else {
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skipAssert(assert);
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}
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});
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QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) {
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assert.expect(2);
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if (!isNpm) {
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var largeArray = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
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smallArray = array;
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lodashStable.times(2, function(index) {
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var array = index ? largeArray : smallArray,
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wrapped = _(array).filter(isEven);
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assert.strictEqual(wrapped[methodName](), func(lodashStable.filter(array, isEven)));
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});
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}
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else {
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skipAssert(assert, 2);
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}
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});
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});
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_.each(['find', 'findIndex', 'findLast', 'findLastIndex'], function(methodName) {
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var func = _[methodName];
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QUnit.test('`_.' + methodName + '` should provide correct `predicate` arguments for arrays', function(assert) {
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assert.expect(1);
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var args,
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array = ['a'];
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func(array, function() {
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args || (args = slice.call(arguments));
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});
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assert.deepEqual(args, ['a', 0, array]);
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});
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});
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_.each(['find', 'findKey', 'findLast', 'findLastKey'], function(methodName) {
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var func = _[methodName];
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QUnit.test('`_.' + methodName + '` should work with an object for `collection`', function(assert) {
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assert.expect(1);
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var actual = func({ 'a': 1, 'b': 2, 'c': 3 }, function(n) {
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return n < 3;
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});
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QUnit.test('`_.' + methodName + '` should work with `_.matches` shorthands', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, { 'b': 2 }), expected[2]);
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});
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QUnit.test('`_.' + methodName + '` should work with `_.matchesProperty` shorthands', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, ['b', 2]), expected[2]);
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});
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QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) {
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assert.expect(1);
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assert.strictEqual(func(objects, 'b'), expected[0]);
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});
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QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` for empty collections', function(assert) {
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assert.expect(1);
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var emptyValues = lodashStable.endsWith(methodName, 'Index') ? lodashStable.reject(empties, lodashStable.isPlainObject) : empties,
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expecting = lodashStable.map(emptyValues, lodashStable.constant(expected[1]));
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var actual = lodashStable.map(emptyValues, function(value) {
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try {
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return func(value, { 'a': 3 });
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} catch (e) {}
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});
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assert.deepEqual(actual, expecting);
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});
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}());
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(function() {
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var array = [1, 2, 3, 4];
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var expected = ({
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'find': [0, 1, 2, 3],
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'findLast': [3, 2, 1, 0],
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'findIndex': [0, 1, 2, 3],
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'findLastIndex': [3, 2, 1, 0]
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})[methodName];
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if (expected != null) {
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QUnit.test('`_.' + methodName + '` should pass the index as the second argument for `iteratee`', function(assert) {
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assert.expect(1);
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var actual = [];
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func(array, function(n, index) {
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actual.push(index);
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return false;
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});
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assert.deepEqual(actual, expected);
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});
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}
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}());
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(function() {
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var array = [1, 2, 3, 4];
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QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) {
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assert.expect(1);
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var expected = ({
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'find': 1,
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'findLast': 4,
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'findIndex': 0,
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'findLastIndex': 3,
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'findKey': '0',
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'findLastKey': '3'
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})[methodName];
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if (!isNpm) {
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assert.strictEqual(_(array)[methodName](), expected);
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}
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else {
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skipAssert(assert);
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}
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});
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QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) {
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assert.expect(1);
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if (!isNpm) {
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assert.ok(_(array).chain()[methodName]() instanceof _);
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}
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else {
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skipAssert(assert);
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}
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});
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QUnit.test('`_.' + methodName + '` should not execute immediately when explicitly chaining', function(assert) {
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assert.expect(1);
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if (!isNpm) {
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var wrapped = _(array).chain()[methodName]();
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assert.strictEqual(wrapped.__wrapped__, array);
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}
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else {
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skipAssert(assert);
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}
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});
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QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) {
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assert.expect(2);
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if (!isNpm) {
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var largeArray = lodashStable.range(1, LARGE_ARRAY_SIZE + 1),
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smallArray = array;
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lodashStable.times(2, function(index) {
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var array = index ? largeArray : smallArray,
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wrapped = _(array).filter(isEven);
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assert.strictEqual(wrapped[methodName](), func(lodashStable.filter(array, isEven)));
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});
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}
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else {
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skipAssert(assert, 2);
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}
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});
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}());
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(function() {
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var expected = ({
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'find': 1,
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'findLast': 2,
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'findKey': 'a',
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'findLast': 2,
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'findLastKey': 'b'
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})[methodName];
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if (expected != null) {
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QUnit.test('`_.' + methodName + '` should work with an object for `collection`', function(assert) {
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assert.expect(1);
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assert.strictEqual(actual, expected);
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});
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var actual = func({ 'a': 1, 'b': 2, 'c': 3 }, function(n) {
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return n < 3;
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});
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QUnit.test('`_.' + methodName + '` should provide correct `predicate` arguments for objects', function(assert) {
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assert.expect(1);
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assert.strictEqual(actual, expected);
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});
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}
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}());
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var args,
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object = { 'a': 1 };
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(function() {
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var expected = ({
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'find': ['a', 'b', 'c'],
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'findLast': ['c', 'b', 'a'],
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'findKey': ['a', 'b', 'c'],
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'findLastKey': ['c', 'b', 'a']
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})[methodName];
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func(object, function() {
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args || (args = slice.call(arguments));
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});
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if (expected != null) {
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QUnit.test('`_.' + methodName + '` should pass the key as the second argument for `iteratee`', function(assert) {
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assert.expect(1);
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var actual = [];
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func({ 'a': 1, 'b': 2, 'c': 3 }, function(n, key) {
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actual.push(key);
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return false;
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});
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assert.deepEqual(actual, expected);
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});
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}
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}());
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assert.deepEqual(args, [1, 'a', object]);
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});
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});
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/*--------------------------------------------------------------------------*/
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