Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-01-31 15:27:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Enable indexOf tests (#4411)

Browse Source
This commit is contained in:
Luiz Américo
2019-08-16 19:51:17 -03:00
committed by John-David Dalton
parent ff4949b8c2
commit a965836cf3
2 changed files with 60 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
test/findIndex-and-indexOf.js
View File

@@ -1,63 +0,0 @@
import assert from 'assert';
import lodashStable from 'lodash';
import { _, identity, stubZero, falsey } from './utils.js';
describe('findIndex and indexOf', function() {
lodashStable.each(['findIndex', 'indexOf'], function(methodName) {
var array = [1, 2, 3, 1, 2, 3],
func = _[methodName],
resolve = methodName == 'findIndex' ? lodashStable.curry(lodashStable.eq) : identity;
it('`_.' + methodName + '` should return the index of the first matched value', function() {
assert.strictEqual(func(array, resolve(3)), 2);
});
it('`_.' + methodName + '` should work with a positive `fromIndex`', function() {
assert.strictEqual(func(array, resolve(1), 2), 3);
});
it('`_.' + methodName + '` should work with a `fromIndex` >= `length`', function() {
var values = [6, 8, Math.pow(2, 32), Infinity],
expected = lodashStable.map(values, lodashStable.constant([-1, -1, -1]));
var actual = lodashStable.map(values, function(fromIndex) {
return [
func(array, resolve(undefined), fromIndex),
func(array, resolve(1), fromIndex),
func(array, resolve(''), fromIndex)
];
});
assert.deepStrictEqual(actual, expected);
});
it('`_.' + methodName + '` should work with a negative `fromIndex`', function() {
assert.strictEqual(func(array, resolve(2), -3), 4);
});
it('`_.' + methodName + '` should work with a negative `fromIndex` <= `-length`', function() {
var values = [-6, -8, -Infinity],
expected = lodashStable.map(values, stubZero);
var actual = lodashStable.map(values, function(fromIndex) {
return func(array, resolve(1), fromIndex);
});
assert.deepStrictEqual(actual, expected);
});
it('`_.' + methodName + '` should treat falsey `fromIndex` values as `0`', function() {
var expected = lodashStable.map(falsey, stubZero);
var actual = lodashStable.map(falsey, function(fromIndex) {
return func(array, resolve(1), fromIndex);
});
assert.deepStrictEqual(actual, expected);
});
it('`_.' + methodName + '` should coerce `fromIndex` to an integer', function() {
assert.strictEqual(func(array, resolve(2), 1.2), 1);
});
});
});

60
test/indexOf.test.js Normal file
View File

@@ -0,0 +1,60 @@
import assert from 'assert';
import lodashStable from 'lodash';
import { stubZero, falsey } from './utils.js';
import indexOf from '../indexOf.js';
describe('indexOf', function() {
var array = [1, 2, 3, 1, 2, 3];
it('`_.indexOf` should return the index of the first matched value', function() {
assert.strictEqual(indexOf(array, 3), 2);
});
it('`_.indexOf` should work with a positive `fromIndex`', function() {
assert.strictEqual(indexOf(array, 1, 2), 3);
});
it('`_.indexOf` should work with a `fromIndex` >= `length`', function() {
var values = [6, 8, Math.pow(2, 32), Infinity],
expected = lodashStable.map(values, lodashStable.constant([-1, -1, -1]));
var actual = lodashStable.map(values, function(fromIndex) {
return [
indexOf(array, undefined, fromIndex),
indexOf(array, 1, fromIndex),
indexOf(array, '', fromIndex)
];
});
assert.deepStrictEqual(actual, expected);
});
it('`_.indexOf` should work with a negative `fromIndex`', function() {
assert.strictEqual(indexOf(array, 2, -3), 4);
});
it('`_.indexOf` should work with a negative `fromIndex` <= `-length`', function() {
var values = [-6, -8, -Infinity],
expected = lodashStable.map(values, stubZero);
var actual = lodashStable.map(values, function(fromIndex) {
return indexOf(array, 1, fromIndex);
});
assert.deepStrictEqual(actual, expected);
});
it('`_.indexOf` should treat falsey `fromIndex` values as `0`', function() {
var expected = lodashStable.map(falsey, stubZero);
var actual = lodashStable.map(falsey, function(fromIndex) {
return indexOf(array, 1, fromIndex);
});
assert.deepStrictEqual(actual, expected);
});
it('`_.indexOf` should coerce `fromIndex` to an integer', function() {
assert.strictEqual(indexOf(array, 2, 1.2), 1);
});
});