87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
// Copyright 2014 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 http2
|
|
|
|
import "testing"
|
|
|
|
func TestFlow(t *testing.T) {
|
|
var st flow
|
|
var conn flow
|
|
st.add(3)
|
|
conn.add(2)
|
|
|
|
if got, want := st.available(), int32(3); got != want {
|
|
t.Errorf("available = %d; want %d", got, want)
|
|
}
|
|
st.setConnFlow(&conn)
|
|
if got, want := st.available(), int32(2); got != want {
|
|
t.Errorf("after parent setup, available = %d; want %d", got, want)
|
|
}
|
|
|
|
st.take(2)
|
|
if got, want := conn.available(), int32(0); got != want {
|
|
t.Errorf("after taking 2, conn = %d; want %d", got, want)
|
|
}
|
|
if got, want := st.available(), int32(0); got != want {
|
|
t.Errorf("after taking 2, stream = %d; want %d", got, want)
|
|
}
|
|
}
|
|
|
|
func TestFlowAdd(t *testing.T) {
|
|
var f flow
|
|
if !f.add(1) {
|
|
t.Fatal("failed to add 1")
|
|
}
|
|
if !f.add(-1) {
|
|
t.Fatal("failed to add -1")
|
|
}
|
|
if got, want := f.available(), int32(0); 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<<31-1); got != want {
|
|
t.Fatalf("size = %d; want %d", got, want)
|
|
}
|
|
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)
|
|
}
|
|
|
|
}
|