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tpl: After now accepts 0 as index

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Modified the if conditional because of which after threw an error if called with 0 as index. The function now returns the whole original slice if 0 is passed as an index. Also added tests to test the new behavior.

Fixes #6388
This commit is contained in:
Baibhav Vatsa 2019-10-10 20:16:15 -05:00 committed by Bjørn Erik Pedersen
parent bc70f2bf12
commit 096a4b67b9
2 changed files with 3 additions and 1 deletions
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2
tpl/collections/collections.go
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@ -60,7 +60,7 @@ func (ns *Namespace) After(index interface{}, seq interface{}) (interface{}, err
return nil, err return nil, err
} }
if indexv < 1 { if indexv < 0 {
return nil, errors.New("can't return negative/empty count of items from sequence") return nil, errors.New("can't return negative/empty count of items from sequence")
} }

2
tpl/collections/collections_test.go
View file

@ -50,6 +50,8 @@ func TestAfter(t *testing.T) {
{int64(2), []int{100, 200, 300}, []int{300}}, {int64(2), []int{100, 200, 300}, []int{300}},
{100, []int{100, 200}, []int{}}, {100, []int{100, 200}, []int{}},
{"1", []int{100, 200, 300}, []int{200, 300}}, {"1", []int{100, 200, 300}, []int{200, 300}},
{0, []int{100, 200, 300, 400, 500}, []int{100, 200, 300, 400, 500}},
{0, []string{"a", "b", "c", "d", "e"}, []string{"a", "b", "c", "d", "e"}},
{int64(-1), []int{100, 200, 300}, false}, {int64(-1), []int{100, 200, 300}, false},
{"noint", []int{100, 200, 300}, false}, {"noint", []int{100, 200, 300}, false},
{2, []string{}, []string{}}, {2, []string{}, []string{}},