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Add tests for #8399/#10646/#10833 (#5743)

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chrchr-github 2023-12-09 00:36:55 +01:00 committed by GitHub
parent 7452e681dd
commit 233e27b579
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3 changed files with 30 additions and 0 deletions
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14
test/cfg/windows.cpp
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@ -593,6 +593,20 @@ void memleak_LocalAlloc()
// cppcheck-suppress memleak // cppcheck-suppress memleak
} }
void memleak_dupenv_s() // #10646
{
char* pValue;
size_t len;
errno_t err = _dupenv_s(&pValue, &len, "pathext");
if (err) return -1;
printf("pathext = %s\n", pValue);
free(pValue);
err = _dupenv_s(&pValue, &len, "nonexistentvariable");
if (err) return -1;
printf("nonexistentvariable = %s\n", pValue);
// cppcheck-suppress memleak
}
void resourceLeak_CreateSemaphoreA() void resourceLeak_CreateSemaphoreA()
{ {
HANDLE hSemaphore; HANDLE hSemaphore;

7
test/testautovariables.cpp
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@ -2933,6 +2933,13 @@ private:
ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:2] -> [test.cpp:3]: (error) Using object that is a temporary.\n", ASSERT_EQUALS("[test.cpp:2] -> [test.cpp:2] -> [test.cpp:3]: (error) Using object that is a temporary.\n",
errout.str()); errout.str());
// #10833
check("struct A { std::string s; };\n"
"const std::string& f(A* a) {\n"
" return a ? a->s : \"\";\n"
"}\n");
ASSERT_EQUALS("[test.cpp:3]: (error) Reference to temporary returned.\n", errout.str());
check("std::span<int> f() {\n" check("std::span<int> f() {\n"
" std::vector<int> v{};\n" " std::vector<int> v{};\n"
" return v;\n" " return v;\n"

9
test/testtype.cpp
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@ -490,6 +490,8 @@ private:
dui.std = "c++11"; dui.std = "c++11";
// this is set by the production code via cppcheck::Platform::getLimitDefines() // this is set by the production code via cppcheck::Platform::getLimitDefines()
dui.defines.emplace_back("INT_MIN=-2147483648"); dui.defines.emplace_back("INT_MIN=-2147483648");
dui.defines.emplace_back("INT32_MAX=2147483647");
dui.defines.emplace_back("int32_t=int");
checkP("int fun(int x)\n" checkP("int fun(int x)\n"
"{\n" "{\n"
@ -501,6 +503,13 @@ private:
" fun(INT_MIN);\n" " fun(INT_MIN);\n"
"}", settings, "test.cpp", dui); "}", settings, "test.cpp", dui);
ASSERT_EQUALS("[test.cpp:3]: (error) Signed integer overflow for expression '-x'.\n", errout.str()); ASSERT_EQUALS("[test.cpp:3]: (error) Signed integer overflow for expression '-x'.\n", errout.str());
checkP("void f() {\n" // #8399
" int32_t i = INT32_MAX;\n"
" i << 1;\n"
" i << 2;\n"
"}", settings, "test.cpp", dui);
ASSERT_EQUALS("[test.cpp:4]: (error) Signed integer overflow for expression 'i<<2'.\n", errout.str());
} }
}; };