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testuninitvar: use new checking instead of executionpath in various testcases

This commit is contained in:
Daniel Marjamäki 2015-07-22 22:53:59 +02:00
parent 1de1aaa2f4
commit 239f0d4ab4
1 changed files with 147 additions and 149 deletions
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296
test/testuninitvar.cpp
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@ -139,29 +139,29 @@ private:
void uninitvar1() { void uninitvar1() {
// Ticket #2207 - False negative // Ticket #2207 - False negative
checkUninitVar("void foo() {\n" checkUninitVar2("void foo() {\n"
" int a;\n" " int a;\n"
" b = c - a;\n" " b = c - a;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVar("void foo() {\n" checkUninitVar2("void foo() {\n"
" int a;\n" " int a;\n"
" b = a - c;\n" " b = a - c;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
// Ticket #6455 - some compilers allow const variables to be uninitialized // Ticket #6455 - some compilers allow const variables to be uninitialized
checkUninitVar("void foo() {\n" checkUninitVar2("void foo() {\n"
" const int a;\n" " const int a;\n"
" b = c - a;\n" " b = c - a;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVar("void foo() {\n" checkUninitVar2("void foo() {\n"
" int *p;\n" " int *p;\n"
" realloc(p,10);\n" " realloc(p,10);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVarB("void foo() {\n" // #5240 checkUninitVarB("void foo() {\n" // #5240
@ -178,67 +178,67 @@ private:
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
// dereferencing uninitialized pointer.. // dereferencing uninitialized pointer..
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" Foo *p;\n" " Foo *p;\n"
" p->abcd();\n" " p->abcd();\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" Foo<int> *p;\n" " Foo<int> *p;\n"
" p->abcd();\n" " p->abcd();\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("void f(Foo *p)\n" checkUninitVar2("void f(Foo *p)\n"
"{\n" "{\n"
" int a;\n" " int a;\n"
" p->a = malloc(4 * a);\n" " p->a = malloc(4 * a);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int *p;\n" " int *p;\n"
" delete p;\n" " delete p;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int *p;\n" " int *p;\n"
" delete [] p;\n" " delete [] p;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int *p;\n" " int *p;\n"
" *p = 135;\n" " *p = 135;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int *p;\n" " int *p;\n"
" p[0] = 135;\n" " p[0] = 135;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int *x;\n" " int *x;\n"
" int y = *x;\n" " int y = *x;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: x\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: x\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int *x;\n" " int *x;\n"
" int &y(*x);\n" " int &y(*x);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: x\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: x\n", errout.str());
checkUninitVarB("void foo()\n" checkUninitVarB("void foo()\n"
@ -261,18 +261,18 @@ private:
"}"); "}");
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
checkUninitVar("void f()\n" checkUninitVar2("void f()\n"
"{\n" "{\n"
" int a;\n" " int a;\n"
" a = 5 + a;\n" " a = 5 + a;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVar("void f()\n" checkUninitVar2("void f()\n"
"{\n" "{\n"
" int a;\n" " int a;\n"
" a++;\n" " a++;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVarB("void f()\n" checkUninitVarB("void f()\n"
@ -282,49 +282,49 @@ private:
"}"); "}");
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
checkUninitVar("void f()\n" checkUninitVar2("void f()\n"
"{\n" "{\n"
" int a;\n" " int a;\n"
" bar(4 * a);\n" " bar(4 * a);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int i;\n" " int i;\n"
" if (i);\n" " if (i);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int i;\n" " int i;\n"
" for (int x = 0; i < 10; x++);\n" " for (int x = 0; i < 10; x++);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int i;\n" " int i;\n"
" for (int x = 0; x < 10; i++);\n" " for (int x = 0; x < 10; i++);\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: i\n", errout.str());
checkUninitVar("static int foo(int x)\n" checkUninitVar2("static int foo(int x)\n"
"{\n" "{\n"
" int i;\n" " int i;\n"
" if (x)\n" " if (x)\n"
" i = 0;\n" " i = 0;\n"
" i++;\n" " i++;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:6]: (error) Uninitialized variable: i\n", errout.str()); ASSERT_EQUALS("[test.cpp:6]: (error) Uninitialized variable: i\n", errout.str());
checkUninitVar("static void foo()\n" checkUninitVar2("static void foo()\n"
"{\n" "{\n"
" int ar[10];\n" " int ar[10];\n"
" int i;\n" " int i;\n"
" ar[i] = 0;\n" " ar[i] = 0;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:5]: (error) Uninitialized variable: i\n", errout.str()); ASSERT_EQUALS("[test.cpp:5]: (error) Uninitialized variable: i\n", errout.str());
checkUninitVarB("static void foo()\n" checkUninitVarB("static void foo()\n"
@ -342,17 +342,17 @@ private:
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
// Ticket #3597 // Ticket #3597
checkUninitVar("int f() {\n" checkUninitVar2("int f() {\n"
" int a;\n" " int a;\n"
" int b = 1;\n" " int b = 1;\n"
" (b += a) = 1;\n" " (b += a) = 1;\n"
"}"); "}");
TODO_ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n","", errout.str()); TODO_ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n","", errout.str());
checkUninitVar("int f() {\n" checkUninitVar2("int f() {\n"
" int a,b,c;\n" " int a,b,c;\n"
" a = b = c;\n" " a = b = c;\n"
"}"); "}", "test.cpp", /*verify=*/ false);
TODO_ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: c\n", "", errout.str()); TODO_ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: c\n", "", errout.str());
checkUninitVarB("static void foo()\n" checkUninitVarB("static void foo()\n"
@ -442,12 +442,11 @@ private:
"}"); "}");
ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str()); ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
checkUninitVar("int a() {\n" checkUninitVar2("int a() {\n"
" int ret;\n" " int ret;\n"
" int a = value >> ret;\n" " int a = value >> ret;\n"
" ret++;\n" "}\n",
"}\n", "test.c");
"test.c");
ASSERT_EQUALS("[test.c:3]: (error) Uninitialized variable: ret\n", errout.str()); ASSERT_EQUALS("[test.c:3]: (error) Uninitialized variable: ret\n", errout.str());
checkUninitVarB("void foo() {\n" // #3707 checkUninitVarB("void foo() {\n" // #3707
@ -464,12 +463,11 @@ private:
"}"); "}");
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
checkUninitVar("int a() {\n" checkUninitVar2("void a() {\n"
" int ret;\n" " int ret;\n"
" int a = value << ret;\n" " a = value << ret;\n"
" return ret;\n" "}\n",
"}\n", "test.c");
"test.c");
ASSERT_EQUALS("[test.c:3]: (error) Uninitialized variable: ret\n", errout.str()); ASSERT_EQUALS("[test.c:3]: (error) Uninitialized variable: ret\n", errout.str());
// #4320 // #4320
@ -520,11 +518,11 @@ private:
"}"); "}");
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
checkUninitVar("void a()\n" checkUninitVar2("void a()\n"
"{\n" "{\n"
" struct S *s;\n" " struct S *s;\n"
" s->x = 0;\n" " s->x = 0;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: s\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: s\n", errout.str());
checkUninitVar("void a()\n" checkUninitVar("void a()\n"
@ -588,21 +586,21 @@ private:
"}"); "}");
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
checkUninitVar("void f(int a)\n" checkUninitVar2("void f(int a)\n"
"{\n" "{\n"
" if (a) {\n" " if (a) {\n"
" char *p;\n" " char *p;\n"
" *p = 0;\n" " *p = 0;\n"
" }\n" " }\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:5]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:5]: (error) Uninitialized variable: p\n", errout.str());
// += // +=
checkUninitVar("void f()\n" checkUninitVar2("void f()\n"
"{\n" "{\n"
" int c;\n" " int c;\n"
" c += 2;\n" " c += 2;\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: c\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: c\n", errout.str());
checkUninitVar("void f()\n" checkUninitVar("void f()\n"
@ -981,13 +979,13 @@ private:
ASSERT_EQUALS("", errout.str()); ASSERT_EQUALS("", errout.str());
// Ticket #3098 - False negative uninitialized variable // Ticket #3098 - False negative uninitialized variable
checkUninitVar("void f()\n" checkUninitVar2("void f()\n"
"{\n" "{\n"
" char *c1,*c2;\n" " char *c1,*c2;\n"
" if(strcoll(c1,c2))\n" " if(strcoll(c1,c2))\n"
" {\n" " {\n"
" }\n" " }\n"
"}"); "}");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: c1\n" ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: c1\n"
"[test.cpp:4]: (error) Uninitialized variable: c2\n", errout.str()); "[test.cpp:4]: (error) Uninitialized variable: c2\n", errout.str());