diff options
Diffstat (limited to 'vendor/golang.org/x/net/http2/flow_test.go')
| -rw-r--r-- | vendor/golang.org/x/net/http2/flow_test.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/http2/flow_test.go b/vendor/golang.org/x/net/http2/flow_test.go index 859adf5..7ae82c7 100644 --- a/vendor/golang.org/x/net/http2/flow_test.go +++ b/vendor/golang.org/x/net/http2/flow_test.go @@ -49,5 +49,39 @@ func TestFlowAdd(t *testing.T) { if f.add(1) { t.Fatal("adding 1 to max shouldn't be allowed") } +} + +func TestFlowAddOverflow(t *testing.T) { + var f flow + if !f.add(0) { + t.Fatal("failed to add 0") + } + if !f.add(-1) { + t.Fatal("failed to add -1") + } + if !f.add(0) { + t.Fatal("failed to add 0") + } + if !f.add(1) { + t.Fatal("failed to add 1") + } + if !f.add(1) { + t.Fatal("failed to add 1") + } + if !f.add(0) { + t.Fatal("failed to add 0") + } + if !f.add(-3) { + t.Fatal("failed to add -3") + } + if got, want := f.available(), int32(-2); got != want { + t.Fatalf("size = %d; want %d", got, want) + } + if !f.add(1<<31 - 1) { + t.Fatal("failed to add 2^31-1") + } + if got, want := f.available(), int32(1+-3+(1<<31-1)); got != want { + t.Fatalf("size = %d; want %d", got, want) + } } |