rb.WriteString("hello, world.")
	CopyBuffer(wb, rb, make([]byte, 1)) // Tiny buffer to keep it honest.
	if wb.String() != "hello, world." {
		t.Errorf("CopyBuffer did not work properly")
	}
}

func TestCopyBufferNil(t *testing.T) {
	rb := new(Buffer)
	wb := new(Buffer)
	rb.WriteString("hello, world.")
	CopyBuffer(wb, rb, nil) // Should allocate a buffer.
	if wb.String() != "hello, world." {