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Add tests for #8446, #10750, #10894 #4287

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Merged
orbitcowboy merged 1 commit into from
Jul 18, 2022
Merged

Add tests for #8446, #10750, #10894 #4287

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16 changes: 16 additions & 0 deletions test/testautovariables.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3947,6 +3947,22 @@ class TestAutoVariables : public TestFixture {
" f(bar);\n"
"}\n");
ASSERT_EQUALS("[test.cpp:11]: (error) Address of local auto-variable assigned to a function parameter.\n", errout.str());

check("class Foo {};\n" // #10750
"struct Bar {\n"
" Foo *_foo;\n"
"};\n"
"int f(Bar *bar);\n"
"void g(Bar *bar) {\n"
" {\n"
" Foo foo;\n"
" {\n"
" bar->_foo = &foo;\n"
" }\n"
" }\n"
" f(bar);\n"
"}\n");
ASSERT_EQUALS("[test.cpp:10]: (error) Address of local auto-variable assigned to a function parameter.\n", errout.str());
}

void deadPointer() {
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9 changes: 9 additions & 0 deletions test/testcondition.cpp
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Expand Up @@ -4219,6 +4219,15 @@ class TestCondition : public TestFixture {
" if (i == 1) {}\n"
"}\n");
ASSERT_EQUALS("[test.cpp:20]: (style) Condition 'i==1' is always true\n", errout.str());

check("typedef struct { bool x; } s_t;\n" // #8446
"unsigned f(bool a, bool b) {\n"
" s_t s;\n"
" const unsigned col = a ? (s.x = false) : (b = true);\n"
" if (!s.x) {}\n"
" return col;\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}

void alwaysTrueSymbolic()
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10 changes: 10 additions & 0 deletions test/testunusedvar.cpp
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Expand Up @@ -3284,6 +3284,16 @@ class TestUnusedVar : public TestFixture {
" auto b { RAII() };\n"
"}\n");
ASSERT_EQUALS("", errout.str());

functionVariableUsage("struct RAIIWrapper {\n" // #10894
" RAIIWrapper();\n"
" ~RAIIWrapper();\n"
"};\n"
"static void foo() {\n"
" auto const guard = RAIIWrapper();\n"
" auto const& guard2 = RAIIWrapper();\n"
"}\n");
ASSERT_EQUALS("", errout.str());
}

void localvar47() { // #6603
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