The Tor Browser: xpcom/reflect/xptinfo/tests/TestInterfaceInfo.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /* Some simple smoke tests of the typelib loader. */

     8 #include "nscore.h"

    10 #include "nsISupports.h"

    11 #include "nsIInterfaceInfo.h"

    12 #include "nsIInterfaceInfoManager.h"

    13 #include "xptinfo.h"

    14 #include "nsServiceManagerUtils.h"

    16 #include <stdio.h>

    18 // This file expects the nsInterfaceInfoManager to be able to discover

    19 // .xpt files corresponding to those in xpcom/idl.  Currently this

    20 // means setting XPTDIR in the environment to some directory

    21 // containing these files.

    23 int main (int argc, char **argv) {

    24     int i;

    25     nsIID *iid1, *iid2, *iid3;

    26     char *name1, *name2, *name3;

    27     nsIInterfaceInfo *info2, *info3, *info4, *info5;

    29     nsCOMPtr<nsIInterfaceInfoManager> iim

    30         (do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID));

    32     fprintf(stderr, "\ngetting iid for 'nsISupports'\n");

    33     iim->GetIIDForName("nsISupports", &iid1);

    34     iim->GetNameForIID(iid1, &name1);

    35     fprintf(stderr, "%s iid %s\n", name1, iid1->ToString());

    37     fprintf(stderr, "\ngetting iid for 'nsIInputStream'\n");

    38     iim->GetIIDForName("nsIInputStream", &iid2);

    39     iim->GetNameForIID(iid2, &name2);

    40     fprintf(stderr, "%s iid %s\n", name2, iid2->ToString());

    42     fprintf(stderr, "iid: %s, name: %s\n", iid1->ToString(), name1);

    43     fprintf(stderr, "iid: %s, name: %s\n", iid2->ToString(), name2);

    45     fprintf(stderr, "\ngetting info for iid2 from above\n");

    46     iim->GetInfoForIID(iid2, &info2);

    47 #ifdef DEBUG

    48 //    ((nsInterfaceInfo *)info2)->print(stderr);

    49 #endif

    51     fprintf(stderr, "\ngetting iid for 'nsIInputStream'\n");

    52     iim->GetIIDForName("nsIInputStream", &iid3);

    53     iim->GetNameForIID(iid3, &name3);

    54     fprintf(stderr, "%s iid %s\n", name3, iid2->ToString());

    55     iim->GetInfoForIID(iid3, &info3);

    56 #ifdef DEBUG

    57 //    ((nsInterfaceInfo *)info3)->print(stderr);

    58 #endif

    60     fprintf(stderr, "\ngetting info for name 'nsIBidirectionalEnumerator'\n");

    61     iim->GetInfoForName("nsIBidirectionalEnumerator", &info4);

    62 #ifdef DEBUG

    63 //    ((nsInterfaceInfo *)info4)->print(stderr);

    64 #endif

    66     fprintf(stderr, "\nparams work?\n");

    67     fprintf(stderr, "\ngetting info for name 'nsIServiceManager'\n");

    68     iim->GetInfoForName("nsIComponentManager", &info5);

    69 #ifdef DEBUG

    70 //    ((nsInterfaceInfo *)info5)->print(stderr);

    71 #endif

    73     // XXX: nsIServiceManager is no more; what do we test with?

    74     if (info5 == nullptr) {

    75         fprintf(stderr, "\nNo nsIComponentManager; cannot continue.\n");

    76         return 1;

    77     }

    79     uint16_t methodcount;

    80     info5->GetMethodCount(&methodcount);

    81     const nsXPTMethodInfo *mi;

    82     for (i = 0; i < methodcount; i++) {

    83         info5->GetMethodInfo(i, &mi);

    84         fprintf(stderr, "method %d, name %s\n", i, mi->GetName());

    85     }

    87     // 4 is getServiceByContractID, which has juicy params.

    88     info5->GetMethodInfo(6, &mi);

    90     const nsXPTParamInfo& param2 = mi->GetParam(1);

    91     // should be IID for the service

    92     nsIID *nsISL;

    93     info5->GetIIDForParam(6, &param2, &nsISL);

    94     fprintf(stderr, "iid assoc'd with param 1 of method 6 - createInstanceByContractID - %s\n", nsISL->ToString());

    95     // if we look up the name?

    96     char *nsISLname;

    97     iim->GetNameForIID(nsISL, &nsISLname);

    98     fprintf(stderr, "which is called %s\n", nsISLname);

   100     fprintf(stderr, "\nNow check the last param\n");

   101     const nsXPTParamInfo& param3 = mi->GetParam(3);

   103     if (param3.GetType().TagPart() != nsXPTType::T_INTERFACE_IS) {

   104         fprintf(stderr, "Param 3 is not type interface is\n");

   105         // Not returning an error, because this could legitamately change

   106     }

   107     // lets see what arg this refers to

   108     uint8_t argnum;

   109     info5->GetInterfaceIsArgNumberForParam(6, &param3, &argnum);

   110     fprintf(stderr, "param 3 referrs to param %d of method 6 - createInstanceByContractID\n", (uint32_t)argnum);

   111     // Get the type of the parameter referred to

   112     const nsXPTParamInfo& arg_param = mi->GetParam(argnum);

   113     const nsXPTType& arg_type = arg_param.GetType();

   114     // Check to make sure it refers to the proper param

   115     if(!arg_type.IsPointer() || arg_type.TagPart() != nsXPTType::T_IID) {

   116         fprintf(stderr, "Param 3 of method 6 refers to a non IID parameter\n");

   117         // Not returning an error, because this could legitamately change

   118     }

   121     return 0;

   122 }

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