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repo-template/vendor/golang.org/x/net/http2/flow_test.go

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2018-02-07 09:03:05 +00:00
// 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")
}
}