diff options
Diffstat (limited to 'src/pkg/runtime/malloc_test.go')
| -rw-r--r-- | src/pkg/runtime/malloc_test.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/pkg/runtime/malloc_test.go b/src/pkg/runtime/malloc_test.go index 1afd32d08c..2b686a6e7e 100644 --- a/src/pkg/runtime/malloc_test.go +++ b/src/pkg/runtime/malloc_test.go @@ -5,10 +5,25 @@ package runtime_test import ( + . "runtime" "testing" "unsafe" ) +func TestMemStats(t *testing.T) { + // Test that MemStats has sane values. + st := new(MemStats) + ReadMemStats(st) + if st.HeapSys == 0 || st.StackSys == 0 || st.MSpanSys == 0 || st.MCacheSys == 0 || + st.BuckHashSys == 0 || st.GCSys == 0 || st.OtherSys == 0 { + t.Fatalf("Zero sys value: %+v", *st) + } + if st.Sys != st.HeapSys+st.StackSys+st.MSpanSys+st.MCacheSys+ + st.BuckHashSys+st.GCSys+st.OtherSys { + t.Fatalf("Bad sys value: %+v", *st) + } +} + var mallocSink uintptr func BenchmarkMalloc8(b *testing.B) { |