62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <React/RCTDefines.h>
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/* These macros are used to stub C functions. Here's an example:
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*
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* Helpers.h
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* ------
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* boolean ReturnsTrueOrFalse(void);
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*
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* FileToBeTested.h
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* ------
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* RCT_MOCK_DEF(Testing, ReturnsTrueOrFalse);
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* #define ReturnsTrueOrFalse RCT_MOCK_USE(Testing, ReturnsTrueOrFalse)
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*
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* int FunctionToBeTested(int input) {
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* return ReturnsTrueOrFalse() ? input + 1 : input - 1;
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* }
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*
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* Test.h
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* -----
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* RCT_MOCK_GET(Testing, ReturnsTrueOrFalse);
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*
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* boolean _ReturnsTrue(void) { return true; }
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* boolean _ReturnsFalse(void) { return false; }
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*
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* void TestFunctionTrue(void) {
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* RCT_MOCK_SET(Testing, ReturnsTrueOrFalse, _ReturnsTrue);
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* assert(FunctionToBeTested(5) == 6);
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* RCT_MOCK_RESET(Testing, ReturnsTrueOrFalse);
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* }
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*
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* void TestFunctionFalse(void) {
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* RCT_MOCK_SET(Testing, ReturnsTrueOrFalse, _ReturnsFalse);
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* assert(FunctionToBeTested(5) == 4);
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* RCT_MOCK_RESET(Testing, ReturnsTrueOrFalse);
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* }
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*
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*/
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#ifdef RCT_DEV
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#define RCT_MOCK_DEF(context, api) \
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__typeof(__typeof(api)*) mockptr_##context##_##api = &api;
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#define RCT_MOCK_REF(context, api) \
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extern __typeof(__typeof(api)*) mockptr_##context##_##api;
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#define RCT_MOCK_SET(context, api, mockapi) \
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(mockptr_##context##_##api = &mockapi)
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#define RCT_MOCK_RESET(context, api) (mockptr_##context##_##api = &api)
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#define RCT_MOCK_USE(context, api) (*mockptr_##context##_##api)
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#else
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#define RCT_MOCK_DEF(context, api)
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#define RCT_MOCK_REF(context, api)
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#define RCT_MOCK_SET(context, api, mockapi)
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#define RCT_MOCK_RESET(context, api)
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#define RCT_MOCK_USE(context, api) api
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#endif
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