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// 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 TestPriority(t *testing.T) {
// A -> B
// move A's parent to B
streams := make(map[uint32]*stream)
a := &stream{
parent: nil,
weight: 16,
}
streams[1] = a
b := &stream{
parent: a,
weight: 16,
}
streams[2] = b
adjustStreamPriority(streams, 1, PriorityParam{
Weight: 20,
StreamDep: 2,
})
if a.parent != b {
t.Errorf("Expected A's parent to be B")
}
if a.weight != 20 {
t.Errorf("Expected A's weight to be 20; got %d", a.weight)
}
if b.parent != nil {
t.Errorf("Expected B to have no parent")
}
if b.weight != 16 {
t.Errorf("Expected B's weight to be 16; got %d", b.weight)
}
}
func TestPriorityExclusiveZero(t *testing.T) {
// A B and C are all children of the 0 stream.
// Exclusive reprioritization to any of the streams
// should bring the rest of the streams under the
// reprioritized stream
streams := make(map[uint32]*stream)
a := &stream{
parent: nil,
weight: 16,
}
streams[1] = a
b := &stream{
parent: nil,
weight: 16,
}
streams[2] = b
c := &stream{
parent: nil,
weight: 16,
}
streams[3] = c
adjustStreamPriority(streams, 3, PriorityParam{
Weight: 20,
StreamDep: 0,
Exclusive: true,
})
if a.parent != c {
t.Errorf("Expected A's parent to be C")
}
if a.weight != 16 {
t.Errorf("Expected A's weight to be 16; got %d", a.weight)
}
if b.parent != c {
t.Errorf("Expected B's parent to be C")
}
if b.weight != 16 {
t.Errorf("Expected B's weight to be 16; got %d", b.weight)
}
if c.parent != nil {
t.Errorf("Expected C to have no parent")
}
if c.weight != 20 {
t.Errorf("Expected C's weight to be 20; got %d", b.weight)
}
}
func TestPriorityOwnParent(t *testing.T) {
streams := make(map[uint32]*stream)
a := &stream{
parent: nil,
weight: 16,
}
streams[1] = a
b := &stream{
parent: a,
weight: 16,
}
streams[2] = b
adjustStreamPriority(streams, 1, PriorityParam{
Weight: 20,
StreamDep: 1,
})
if a.parent != nil {
t.Errorf("Expected A's parent to be nil")
}
if a.weight != 20 {
t.Errorf("Expected A's weight to be 20; got %d", a.weight)
}
if b.parent != a {
t.Errorf("Expected B's parent to be A")
}
if b.weight != 16 {
t.Errorf("Expected B's weight to be 16; got %d", b.weight)
}
}
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