torrent/requesting_test.go

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package torrent
import (
"testing"
pp "github.com/anacrolix/torrent/peer_protocol"
qt "github.com/frankban/quicktest"
)
func keysAsSlice(m map[Request]struct{}) (sl []Request) {
for k := range m {
sl = append(sl, k)
}
return
}
func makeTypicalRequests() map[Request]struct{} {
m := make(map[Request]struct{})
for p := pp.Integer(0); p < 4; p++ {
for c := pp.Integer(0); c < 16; c++ {
m[Request{p, ChunkSpec{c * defaultChunkSize, defaultChunkSize}}] = struct{}{}
}
}
return m
}
func TestLogExampleRequestMapOrdering(t *testing.T) {
for k := range makeTypicalRequests() {
t.Log(k)
}
}
func TestRequestMapOrderingPersistent(t *testing.T) {
m := makeTypicalRequests()
// Shows that map order is persistent across separate range statements.
qt.Assert(t, keysAsSlice(m), qt.ContentEquals, keysAsSlice(m))
}
func TestRequestMapOrderAcrossInstances(t *testing.T) {
// This shows that different map instances with the same contents can have the same range order.
qt.Assert(t, keysAsSlice(makeTypicalRequests()), qt.ContentEquals, keysAsSlice(makeTypicalRequests()))
}