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added tests for #2710 (False negative on uninitialized member variable in a ctor.)

This commit is contained in:
Robert Reif 2011-04-08 07:39:30 -04:00
parent 8601c64d99
commit 3c8644fcf8
1 changed files with 82 additions and 0 deletions
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82
test/testclass.cpp
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@ -87,6 +87,7 @@ private:
TEST_CASE(uninitFunction1); // No FP when initialized in function
TEST_CASE(uninitFunction2); // No FP when initialized in function
TEST_CASE(uninitFunction3); // No FP when initialized in function
TEST_CASE(uninitFunction4);
TEST_CASE(uninitSameClassName); // No FP when two classes have the same name
TEST_CASE(uninitFunctionOverload); // No FP when there are overloaded functions
TEST_CASE(uninitJava); // Java: no FP when variable is initialized in declaration
@ -2639,6 +2640,18 @@ private:
" double d;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
checkUninitVar("class Fred\n"
"{\n"
"public:\n"
" Fred() { init(*this); }\n"
"\n"
" static void init(Fred &f)\n"
" { }\n"
"\n"
" double d;\n"
"};\n");
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialised in the constructor.\n", "", errout.str());
}
void uninitFunction2()
@ -2654,6 +2667,18 @@ private:
" double d;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
checkUninitVar("class Fred\n"
"{\n"
"public:\n"
" Fred() { if (!init(*this)); }\n"
"\n"
" static bool init(Fred &f)\n"
" { return true; }\n"
"\n"
" double d;\n"
"};\n");
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialised in the constructor.\n", "", errout.str());
}
void uninitFunction3()
@ -2669,6 +2694,45 @@ private:
" double d;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
checkUninitVar("class Fred\n"
"{\n"
"public:\n"
" Fred() { if (!init()); }\n"
"\n"
" bool init()\n"
" { return true; }\n"
"\n"
" double d;\n"
"};\n");
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialised in the constructor.\n", errout.str());
}
void uninitFunction4()
{
checkUninitVar("class Fred\n"
"{\n"
"public:\n"
" Fred() { init(this); }\n"
"\n"
" init(Fred *f)\n"
" { f.d = 0; }\n"
"\n"
" double d;\n"
"};\n");
ASSERT_EQUALS("", errout.str());
checkUninitVar("class Fred\n"
"{\n"
"public:\n"
" Fred() { init(this); }\n"
"\n"
" init(Fred *f)\n"
" { }\n"
"\n"
" double d;\n"
"};\n");
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialised in the constructor.\n", "", errout.str());
}
void uninitSameClassName()
@ -2808,6 +2872,24 @@ private:
" { i = value; }\n"
"};");
ASSERT_EQUALS("", errout.str());
checkUninitVar("class A\n"
"{\n"
"private:\n"
" int i;\n"
"\n"
"public:\n"
" A()\n"
" {\n"
" init();\n"
" }\n"
"\n"
" void init() { init(0); }\n"
"\n"
" void init(int value)\n"
" { }\n"
"};");
TODO_ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::i' is not initialised in the constructor.\n", "", errout.str());
}
void checkUninitVarJava(const char code[])