forked from OSchip/llvm-project
115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
// RUN: %check_clang_tidy %s misc-assert-side-effect %t -- -config="{CheckOptions: [{key: misc-assert-side-effect.CheckFunctionCalls, value: 1}, {key: misc-assert-side-effect.AssertMacros, value: 'assert,assert2,my_assert,convoluted_assert,msvc_assert'}]}" -- -fexceptions
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//===--- assert definition block ------------------------------------------===//
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int abort() { return 0; }
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#ifdef NDEBUG
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#define assert(x) 1
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#else
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#define assert(x) \
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if (!(x)) \
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(void)abort()
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#endif
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void print(...);
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#define assert2(e) (__builtin_expect(!(e), 0) ? \
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print (#e, __FILE__, __LINE__) : (void)0)
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#ifdef NDEBUG
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#define my_assert(x) 1
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#else
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#define my_assert(x) \
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((void)((x) ? 1 : abort()))
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#endif
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#ifdef NDEBUG
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#define not_my_assert(x) 1
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#else
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#define not_my_assert(x) \
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if (!(x)) \
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(void)abort()
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#endif
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#define real_assert(x) ((void)((x) ? 1 : abort()))
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#define wrap1(x) real_assert(x)
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#define wrap2(x) wrap1(x)
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#define convoluted_assert(x) wrap2(x)
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#define msvc_assert(expression) (void)( \
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(!!(expression)) || \
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(abort(), 0) \
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)
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//===----------------------------------------------------------------------===//
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class MyClass {
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public:
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bool badFunc(int a, int b) { return a * b > 0; }
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bool goodFunc(int a, int b) const { return a * b > 0; }
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MyClass &operator=(const MyClass &rhs) { return *this; }
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int operator-() { return 1; }
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operator bool() const { return true; }
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void operator delete(void *p) {}
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};
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bool freeFunction() {
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return true;
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}
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int main() {
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int X = 0;
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bool B = false;
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assert(X == 1);
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assert(X = 1);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect [misc-assert-side-effect]
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my_assert(X = 1);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found my_assert() with side effect
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convoluted_assert(X = 1);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found convoluted_assert() with side effect
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not_my_assert(X = 1);
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assert(++X);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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assert(!B);
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assert(B || true);
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assert(freeFunction());
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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MyClass mc;
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assert(mc.badFunc(0, 1));
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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assert(mc.goodFunc(0, 1));
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MyClass mc2;
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assert(mc2 = mc);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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assert(-mc > 0);
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MyClass *mcp;
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assert(mcp = new MyClass);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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assert((delete mcp, false));
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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assert((throw 1, false));
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found assert() with side effect
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assert2(1 == 2 - 1);
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msvc_assert(mc2 = mc);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: found msvc_assert() with side effect
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return 0;
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}
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