diff options
Diffstat (limited to 'src/runtime/malloc_test.go')
| -rw-r--r-- | src/runtime/malloc_test.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/runtime/malloc_test.go b/src/runtime/malloc_test.go index 767b51f453..0cf9cfbf42 100644 --- a/src/runtime/malloc_test.go +++ b/src/runtime/malloc_test.go @@ -13,6 +13,9 @@ import ( ) func TestMemStats(t *testing.T) { + // Make sure there's at least one forced GC. + GC() + // Test that MemStats has sane values. st := new(MemStats) ReadMemStats(st) @@ -24,7 +27,7 @@ func TestMemStats(t *testing.T) { st.HeapInuse == 0 || st.HeapObjects == 0 || st.StackInuse == 0 || st.StackSys == 0 || st.MSpanInuse == 0 || st.MSpanSys == 0 || st.MCacheInuse == 0 || st.MCacheSys == 0 || st.BuckHashSys == 0 || st.GCSys == 0 || st.OtherSys == 0 || - st.NextGC == 0 { + st.NextGC == 0 || st.NumForcedGC == 0 { t.Fatalf("Zero value: %+v", *st) } @@ -33,7 +36,7 @@ func TestMemStats(t *testing.T) { st.HeapIdle > 1e10 || st.HeapInuse > 1e10 || st.HeapObjects > 1e10 || st.StackInuse > 1e10 || st.StackSys > 1e10 || st.MSpanInuse > 1e10 || st.MSpanSys > 1e10 || st.MCacheInuse > 1e10 || st.MCacheSys > 1e10 || st.BuckHashSys > 1e10 || st.GCSys > 1e10 || st.OtherSys > 1e10 || - st.NextGC > 1e10 || st.NumGC > 1e9 || st.PauseTotalNs > 1e11 { + st.NextGC > 1e10 || st.NumGC > 1e9 || st.NumForcedGC > 1e9 || st.PauseTotalNs > 1e11 { t.Fatalf("Insanely high value (overflow?): %+v", *st) } @@ -72,6 +75,10 @@ func TestMemStats(t *testing.T) { t.Fatalf("PauseTotalNs(%d) < sum PauseNs(%d)", st.PauseTotalNs, pauseTotal) } } + + if st.NumForcedGC > st.NumGC { + t.Fatalf("NumForcedGC(%d) > NumGC(%d)", st.NumForcedGC, st.NumGC) + } } func TestStringConcatenationAllocs(t *testing.T) { |