diff options
Diffstat (limited to 'gcc-4.8.1/libgo/go/runtime/gc_test.go')
-rw-r--r-- | gcc-4.8.1/libgo/go/runtime/gc_test.go | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/gcc-4.8.1/libgo/go/runtime/gc_test.go b/gcc-4.8.1/libgo/go/runtime/gc_test.go deleted file mode 100644 index 283a6812e..000000000 --- a/gcc-4.8.1/libgo/go/runtime/gc_test.go +++ /dev/null @@ -1,61 +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 ( - "runtime" - "testing" -) - -func TestGcSys(t *testing.T) { - defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(1)) - memstats := new(runtime.MemStats) - runtime.GC() - runtime.ReadMemStats(memstats) - sys := memstats.Sys - - runtime.MemProfileRate = 0 // disable profiler - - itercount := 1000000 - if testing.Short() { - itercount = 100000 - } - for i := 0; i < itercount; i++ { - workthegc() - } - - // Should only be using a few MB. - // We allocated 100 MB or (if not short) 1 GB. - runtime.ReadMemStats(memstats) - if sys > memstats.Sys { - sys = 0 - } else { - sys = memstats.Sys - sys - } - t.Logf("used %d extra bytes", sys) - if sys > 16<<20 { - t.Fatalf("using too much memory: %d bytes", sys) - } -} - -func workthegc() []byte { - return make([]byte, 1029) -} - -func TestGcDeepNesting(t *testing.T) { - type T [2][2][2][2][2][2][2][2][2][2]*int - a := new(T) - - // Prevent the compiler from applying escape analysis. - // This makes sure new(T) is allocated on heap, not on the stack. - t.Logf("%p", a) - - a[0][0][0][0][0][0][0][0][0][0] = new(int) - *a[0][0][0][0][0][0][0][0][0][0] = 13 - runtime.GC() - if *a[0][0][0][0][0][0][0][0][0][0] != 13 { - t.Fail() - } -} |