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Add NaN tests for _.indexOf and _.lastIndexOf with a fromIndex.

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jdalton
2015-03-12 21:41:39 -07:00
parent b6ccb4c96f
commit 6a1b7626e3
1 changed files with 8 additions and 4 deletions
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12
test/test.js
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@@ -9048,7 +9048,8 @@
QUnit.module('indexOf methods');
_.each(['indexOf', 'lastIndexOf'], function(methodName) {
var func = _[methodName];
var func = _[methodName],
isIndexOf = methodName == 'indexOf';
test('`_.' + methodName + '` should accept a falsey `array` argument', 1, function() {
var expected = _.map(falsey, _.constant(-1));
@@ -9081,9 +9082,12 @@
strictEqual(func(array, 0, true), -1);
});
test('`_.' + methodName + '` should match `NaN`', 2, function() {
strictEqual(func([1, NaN, 3], NaN), 1);
strictEqual(func([1, 3, NaN], NaN, true), 2);
test('`_.' + methodName + '` should match `NaN`', 4, function() {
var array = [1, NaN, 3, NaN, 5, NaN];
strictEqual(func(array, NaN), isIndexOf ? 1 : 5);
strictEqual(func(array, NaN, 2), isIndexOf ? 3 : 1);
strictEqual(func(array, NaN, -2), isIndexOf ? 5 : 3);
strictEqual(func([1, 2, NaN, NaN], NaN, true), isIndexOf ? 2 : 3);
});
test('`_.' + methodName + '` should match `-0` as `0`', 1, function() {