document all the things; improve req Query semantics; add Form.EnableBufferGrowth

x/rawsock/rawsock_linux_test.go

@@ -1,64 +0,0 @@
-//go:build !tinygo && linux
-
-package rawsock
-
-import (
-	"net"
-	"runtime"
-	"testing"
-)
-
-// TestAcceptConnDoesNotAllocate pins down what AcceptConn exists for. A server
-// that owns its connection storage still pays an allocation per connection if
-// accepting one allocates, which is what syscall.Accept does with the peer
-// address it returns.
-func TestAcceptConnDoesNotAllocate(t *testing.T) {
-	var ln Listener
-	err := ln.Listen(0)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer ln.Close()
-	addr := ln.Addr().String()
-
-	const n = 32
-	dialed := make([]net.Conn, 0, n)
-	defer func() {
-		for _, c := range dialed {
-			c.Close()
-		}
-	}()
-	for range n {
-		c, err := net.Dial("tcp", addr)
-		if err != nil {
-			t.Fatal(err)
-		}
-		dialed = append(dialed, c)
-	}
-
-	var conn Conn
-	// The first accept warms whatever the runtime wants to warm, and is where
-	// the peer address is checked: reading it hands a value to a net.Addr
-	// interface, which allocates whatever the accept did.
-	if err = ln.AcceptConn(&conn); err != nil {
-		t.Fatal(err)
-	}
-	if conn.RemoteAddr().String() != dialed[0].LocalAddr().String() {
-		t.Errorf("accepted peer %s, dialer says %s", conn.RemoteAddr(), dialed[0].LocalAddr())
-	}
-	conn.Close()
-
-	var before, after runtime.MemStats
-	runtime.GC()
-	runtime.ReadMemStats(&before)
-	for i := 1; i < n; i++ {
-		if err = ln.AcceptConn(&conn); err != nil {
-			t.Fatal(err)
-		}
-		conn.Close()
-	}
-	runtime.ReadMemStats(&after)
-	if allocs := after.Mallocs - before.Mallocs; allocs != 0 {
-		t.Errorf("AcceptConn allocated %d times over %d accepts, want 0", allocs, n-1)
-	}
-}