diff options
Diffstat (limited to 'src/pkg/runtime/append_test.go')
-rw-r--r-- | src/pkg/runtime/append_test.go | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/pkg/runtime/append_test.go b/src/pkg/runtime/append_test.go deleted file mode 100644 index 75a635306..000000000 --- a/src/pkg/runtime/append_test.go +++ /dev/null @@ -1,51 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. -package runtime_test - -import "testing" - -const N = 20 - -func BenchmarkAppend(b *testing.B) { - b.StopTimer() - x := make([]int, 0, N) - b.StartTimer() - for i := 0; i < b.N; i++ { - x = x[0:0] - for j := 0; j < N; j++ { - x = append(x, j) - } - } -} - -func BenchmarkAppendSpecialCase(b *testing.B) { - b.StopTimer() - x := make([]int, 0, N) - b.StartTimer() - for i := 0; i < b.N; i++ { - x = x[0:0] - for j := 0; j < N; j++ { - if len(x) < cap(x) { - x = x[:len(x)+1] - x[len(x)-1] = j - } else { - x = append(x, j) - } - } - } -} - -var x = make([]int, 0, 10) - -func f() int { - x[:1][0] = 3 - return 2 -} - -func TestSideEffectOrder(t *testing.T) { - x = append(x, 1, f()) - if x[0] != 1 || x[1] != 2 { - t.Error("append failed: ", x[0], x[1]) - } -} |