interface_test.go RawHistoryFolder

1package server
2
3import (
4	"testing"
5	"unsafe"
6)
7
8func TestForwardReferenceCTable(t *testing.T) {
9	first := &Interface{Name: "test_first", Version: 1}
10	later := &Interface{Name: "test_later", Version: 1}
11	first.Requests = []Message{{Name: "make", Signature: "n", Types: []*Interface{later}}}
12	if err := NewInterfaces(first, later); err != nil {
13		t.Fatal(err)
14	}
15	messages := *(*unsafe.Pointer)(unsafe.Add(unsafe.Pointer(&tables.mem[0]), first.c-tables.base+16))
16	types := *(*unsafe.Pointer)(unsafe.Add(messages, 16))
17	if types == nil {
18		t.Fatal("missing C types array")
19	}
20	target := uintptr(*(*unsafe.Pointer)(types))
21	if target == 0 || target != later.c {
22		t.Fatalf("forward reference C types: target=%#x want=%#x", target, later.c)
23	}
24}