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Add falsey iteratee tests.

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John-David Dalton
2016-03-25 16:36:39 -07:00
parent 613488eaf8
commit dcc239b070
1 changed files with 36 additions and 9 deletions
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45
test/test.js
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@@ -5771,7 +5771,20 @@
QUnit.test('should use a default `depth` of `1`', function(assert) { QUnit.test('should use a default `depth` of `1`', function(assert) {
assert.expect(1); assert.expect(1);
assert.deepEqual(_.flatMapDepth(array), [1, 2, [3, [4]], 5]); assert.deepEqual(_.flatMapDepth(array, identity), [1, 2, [3, [4]], 5]);
});
QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
assert.expect(1);
var values = [, null, undefined],
expected = lodashStable.map(values, lodashStable.constant([1, 2, [3, [4]], 5]));
var actual = lodashStable.map(values, function(value, index) {
return index ? _.flatMapDepth(array, value) : _.flatMapDepth(array);
});
assert.deepEqual(actual, expected);
}); });
QUnit.test('should treat a `depth` of < `1` as a shallow clone', function(assert) { QUnit.test('should treat a `depth` of < `1` as a shallow clone', function(assert) {
@@ -13085,11 +13098,18 @@
assert.deepEqual(actual, { 'c': { 'b': 'c' } }); assert.deepEqual(actual, { 'c': { 'b': 'c' } });
}); });
QUnit.test('should work on an object with no `iteratee`', function(assert) { QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
assert.expect(1); assert.expect(1);
var actual = _.mapKeys({ 'a': 1, 'b': 2 }); var object = { 'a': 1, 'b': 2 },
assert.deepEqual(actual, { '1': 1, '2': 2 }); values = [, null, undefined],
expected = lodashStable.map(values, lodashStable.constant({ '1': 1, '2': 2 }));
var actual = lodashStable.map(values, function(value, index) {
return index ? _.mapKeys(object, value) : _.mapKeys(object);
});
assert.deepEqual(actual, expected);
}); });
}()); }());
@@ -13122,12 +13142,19 @@
assert.deepEqual(actual, { 'a': 1 }); assert.deepEqual(actual, { 'a': 1 });
}); });
QUnit.test('should work on an object with no `iteratee`', function(assert) { QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) {
assert.expect(2); assert.expect(1);
var actual = _.mapValues({ 'a': 1, 'b': 2 }); var object = { 'a': 1, 'b': 2 },
assert.deepEqual(actual, object); values = [, null, undefined],
assert.notStrictEqual(actual, object); expected = lodashStable.map(values, lodashStable.constant([true, false]));
var actual = lodashStable.map(values, function(value, index) {
var result = index ? _.mapValues(object, value) : _.mapValues(object);
return [lodashStable.isEqual(result, object), result === object];
});
assert.deepEqual(actual, expected);
}); });
}()); }());