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fix #195 Unusual shift operation - check this kind of code 

return x >> ! y ? 8 : 2;
This commit is contained in:
seb777 2011-09-06 22:37:19 +02:00
parent cbbdd55177
commit 074ad10a30
2 changed files with 17 additions and 5 deletions
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6
lib/checkother.cpp
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@ -87,6 +87,12 @@ void CheckOther::clarifyCalculation()
else
continue;
if (cond && cond->str() == "!")
cond = cond->previous();
if (!cond)
continue;
// calculation
if (!cond->isArithmeticalOp())
continue;

16
test/testother.cpp
View File

@ -2649,7 +2649,7 @@ private:
);
ASSERT_EQUALS("", errout.str());
// ticket 2495
// ticket #2495
check("void f() {\n"
" static float col[][3]={\n"
" {1,0,0},\n"
@ -2664,14 +2664,14 @@ private:
);
ASSERT_EQUALS("", errout.str());
// ticket 155
// ticket #155
check("void f() {\n"
" char buff1[1024*64],buff2[sizeof(buff1)*2];\n"
"}\n"
);
ASSERT_EQUALS("", errout.str());
// ticket 2510
// ticket #2510
check("void f( int a[], int b) {\n"
" std::cout << sizeof(a) / sizeof(int) << std::endl;\n"
"}\n"
@ -2679,7 +2679,7 @@ private:
ASSERT_EQUALS("[test.cpp:2]: (error) Using sizeof for array given as "
"function argument returns the size of pointer.\n", errout.str());
// ticket 2510
// ticket #2510
check("void f( int a[3] , int b[2] ) {\n"
" std::cout << sizeof(a) / sizeof(int) << std::endl;\n"
"}\n"
@ -2687,7 +2687,7 @@ private:
ASSERT_EQUALS("[test.cpp:2]: (error) Using sizeof for array given as "
"function argument returns the size of pointer.\n", errout.str());
// ticket 2510
// ticket #2510
check("void f() {\n"
" char buff1[1024*64],buff2[sizeof(buff1)*(2+1)];\n"
"}\n"
@ -2757,6 +2757,12 @@ private:
" int ab = a - b ? 2 : 3;\n"
"}");
ASSERT_EQUALS("[test.cpp:2]: (style) Clarify calculation precedence for - and ?\n", errout.str());
// ticket #195
check("int f(int x, int y) {\n"
" return x >> ! y ? 8 : 2;\n"
"}");
ASSERT_EQUALS("[test.cpp:2]: (style) Clarify calculation precedence for >> and ?\n", errout.str());
}
// clarify conditions with = and comparison