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drop_test.go
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drop_test.go
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package ranges
import "testing"
func TestDrop(t *testing.T) {
t.Parallel()
sliceCopy := Slice(Drop[int](Only(1, 2, 3, 4, 5), 3))
assertEqual(t, sliceCopy, []int{4, 5})
}
func TestDropZero(t *testing.T) {
t.Parallel()
sliceCopy := Slice(Drop[int](Only(1, 2, 3), 0))
assertEqual(t, sliceCopy, []int{1, 2, 3})
}
func TestDropNegative(t *testing.T) {
t.Parallel()
sliceCopy := Slice(Drop[int](Only(1, 2, 3), -10))
assertEqual(t, sliceCopy, []int{1, 2, 3})
}
func TestDropCallFrontFirst(t *testing.T) {
t.Parallel()
dropRange := Drop[int](Only(1, 2, 3, 4, 5), 3)
assertHasFront(t, dropRange, 4)
}
func TestDropCallPopFrontFirst(t *testing.T) {
t.Parallel()
dropRange := Drop[int](Only(1, 2, 3, 4, 5), 3)
dropRange.PopFront()
assertHasFront(t, dropRange, 5)
}
func TestDropF(t *testing.T) {
t.Parallel()
dropRange := DropF(Only(1, 2, 3, 4, 5), 3)
sliceCopy := SliceF(dropRange.Save())
sliceCopy2 := SliceF(dropRange.Save())
assertEqual(t, sliceCopy, []int{4, 5})
assertEqual(t, sliceCopy2, []int{4, 5})
}
func TestDropFCallFrontFirst(t *testing.T) {
t.Parallel()
dropRange := DropF(Only(1, 2, 3, 4, 5), 3)
assertHasFront(t, dropRange, 4)
}
func TestDropFCallPopFrontFirst(t *testing.T) {
t.Parallel()
dropRange := DropF(Only(1, 2, 3, 4, 5), 3)
dropRange.PopFront()
assertHasFront(t, dropRange, 5)
}
func TestDropFZero(t *testing.T) {
t.Parallel()
sliceCopy := Slice[int](DropF(Only(1, 2, 3), 0))
assertEqual(t, sliceCopy, []int{1, 2, 3})
}
func TestDropFNegative(t *testing.T) {
t.Parallel()
sliceCopy := Slice[int](DropF(Only(1, 2, 3), -10))
assertEqual(t, sliceCopy, []int{1, 2, 3})
}
func TestDropB(t *testing.T) {
t.Parallel()
dropRange := DropB(Only(1, 2, 3, 4, 5), 3)
sliceCopy := SliceB(dropRange.SaveB())
sliceCopy2 := SliceB(dropRange.SaveB())
assertEqual(t, sliceCopy, []int{4, 5})
assertEqual(t, sliceCopy2, []int{4, 5})
assertHasBack(t, dropRange, 5)
dropRange.PopBack()
assertHasBack(t, dropRange, 4)
dropRange.PopBack()
assertEmpty(t, dropRange)
}
func TestDropR(t *testing.T) {
t.Parallel()
r := DropR(Only(1, 2, 3, 4, 5), 3)
r2 := r.SaveR()
r.PopFront()
assertEqual(t, r2.Get(0), 4)
assertEqual(t, SliceR(r), []int{5})
assertEqual(t, SliceR(r2), []int{4, 5})
}
// Ensure we prime the drop range if we .Get() before other operations.
func TestDropRGetPrimed(t *testing.T) {
t.Parallel()
r := DropR(Only(1, 2, 3, 4, 5), 3)
assertEqual(t, r.Get(0), 4)
assertEqual(t, r.Get(1), 5)
}
// Ensure we prime the drop range if we check length before other operations.
func TestDropRLen(t *testing.T) {
t.Parallel()
r := DropR(Only(1, 2, 3, 4, 5), 3)
assertEqual(t, r.Len(), 2)
}