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[release-branch.go1.21] slices: explicitly discard results of some functions

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This will otherwise trigger an "unusedresult" vet check.

For #64978.
Fixes #65023.
Fixes #60058.

Change-Id: Ie19aded0f808d394f389452c3ff7f3edc1ed710d
Reviewed-on: https://go-review.googlesource.com/c/go/+/554196
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
(cherry picked from commit 8088b6db23)
Reviewed-on: https://go-review.googlesource.com/c/go/+/554756
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
This commit is contained in:
Alan Donovan 2024-01-05 15:54:03 -05:00 committed by Gopher Robot
parent 7e34c4308f
commit 2540b1436f
1 changed files with 5 additions and 5 deletions
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10
src/slices/slices_test.go
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@ -649,7 +649,7 @@ func TestDeletePanics(t *testing.T) {
{"with out-of-bounds second index", []int{42}, 0, 2},
{"with invalid i>j", []int{42}, 1, 0},
} {
if !panics(func() { Delete(test.s, test.i, test.j) }) {
if !panics(func() { _ = Delete(test.s, test.i, test.j) }) {
t.Errorf("Delete %s: got no panic, want panic", test.name)
}
}
@ -791,10 +791,10 @@ func TestGrow(t *testing.T) {
}
// Test number of allocations.
if n := testing.AllocsPerRun(100, func() { Grow(s2, cap(s2)-len(s2)) }); n != 0 {
if n := testing.AllocsPerRun(100, func() { _ = Grow(s2, cap(s2)-len(s2)) }); n != 0 {
t.Errorf("Grow should not allocate when given sufficient capacity; allocated %v times", n)
}
if n := testing.AllocsPerRun(100, func() { Grow(s2, cap(s2)-len(s2)+1) }); n != 1 {
if n := testing.AllocsPerRun(100, func() { _ = Grow(s2, cap(s2)-len(s2)+1) }); n != 1 {
errorf := t.Errorf
if race.Enabled || testenv.OptimizationOff() {
errorf = t.Logf // this allocates multiple times in race detector mode
@ -806,7 +806,7 @@ func TestGrow(t *testing.T) {
var gotPanic bool
func() {
defer func() { gotPanic = recover() != nil }()
Grow(s1, -1)
_ = Grow(s1, -1)
}()
if !gotPanic {
t.Errorf("Grow(-1) did not panic; expected a panic")
@ -917,7 +917,7 @@ func TestReplacePanics(t *testing.T) {
{"negative index", []int{1, 2}, []int{3}, -1, 2},
} {
ss, vv := Clone(test.s), Clone(test.v)
if !panics(func() { Replace(ss, test.i, test.j, vv...) }) {
if !panics(func() { _ = Replace(ss, test.i, test.j, vv...) }) {
t.Errorf("Replace %s: should have panicked", test.name)
}
}