diff options
| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-12-13 23:15:36 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2011-12-13 23:15:36 +0000 |
| commit | 90a9ea010a03a970d97a96b532a987f4caf9008a (patch) | |
| tree | f91783d65584efb8f8cd6823ca20d56da2458519 | |
| parent | c915f63f7324de03f233803667d6401088fec783 (diff) | |
| download | gcc-90a9ea010a03a970d97a96b532a987f4caf9008a.zip gcc-90a9ea010a03a970d97a96b532a987f4caf9008a.tar.gz gcc-90a9ea010a03a970d97a96b532a987f4caf9008a.tar.bz2 | |
runtime: Change gc_test to test only newly allocated memory.
From-SVN: r182315
| -rw-r--r-- | libgo/go/runtime/gc_test.go | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/libgo/go/runtime/gc_test.go b/libgo/go/runtime/gc_test.go index fad60a3..156d3bc 100644 --- a/libgo/go/runtime/gc_test.go +++ b/libgo/go/runtime/gc_test.go @@ -6,16 +6,24 @@ import ( ) func TestGcSys(t *testing.T) { + runtime.GC() + runtime.UpdateMemStats() + sys := runtime.MemStats.Sys + for i := 0; i < 1000000; i++ { workthegc() } // Should only be using a few MB. runtime.UpdateMemStats() - sys := runtime.MemStats.Sys - t.Logf("using %d MB", sys>>20) - if sys > 10e6 { - t.Fatalf("using too much memory: %d MB", sys>>20) + if sys > runtime.MemStats.Sys { + sys = 0 + } else { + sys = runtime.MemStats.Sys - sys + } + t.Logf("used %d extra bytes", sys) + if sys > 2<<20 { + t.Fatalf("using too much memory: %d bytes", sys) } } |