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add some variable length array tests

This commit is contained in:
Robert Reif 2011-09-04 14:39:24 -04:00
parent c34b77cebf
commit c2b76cd41f
1 changed files with 53 additions and 1 deletions
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54
test/testbufferoverrun.cpp
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@ -499,7 +499,7 @@ private:
"}\n");
ASSERT_EQUALS("[test.cpp:9]: (error) Array 'str[10]' index 10 out of bounds\n", errout.str());
// This is not out of bounds
// This is not out of bounds because it is a variable length array
check("struct ABC\n"
"{\n"
" char str[1];\n"
@ -512,6 +512,58 @@ private:
"}\n");
ASSERT_EQUALS("", errout.str());
// This is not out of bounds because it is a variable length array and the index is within the memory allocated
check("struct ABC\n"
"{\n"
" char str[1];\n"
"};\n"
"\n"
"static void f()\n"
"{\n"
" struct ABC* x = (struct ABC *)malloc(sizeof(struct ABC) + 10);\n"
" x->str[10] = 0;"
"}\n");
TODO_ASSERT_EQUALS("", "[test.cpp:9]: (error) Array 'str[1]' index 10 out of bounds\n", errout.str());
// This is out of bounds because it is outside the memory allocated
check("struct ABC\n"
"{\n"
" char str[1];\n"
"};\n"
"\n"
"static void f()\n"
"{\n"
" struct ABC* x = (struct ABC *)malloc(sizeof(struct ABC) + 10);\n"
" x->str[11] = 0;"
"}\n");
ASSERT_EQUALS("[test.cpp:9]: (error) Array 'str[1]' index 11 out of bounds\n", errout.str());
// This is out of bounds because it is outside the memory allocated
check("struct ABC\n"
"{\n"
" char str[1];\n"
"};\n"
"\n"
"static void f()\n"
"{\n"
" struct ABC* x = (struct ABC *)malloc(sizeof(struct ABC));\n"
" x->str[1] = 0;"
"}\n");
TODO_ASSERT_EQUALS("[test.cpp:9]: (error) Array 'str[1]' index 1 out of bounds\n", "", errout.str());
// This is out of bounds because it is not a variable array
check("struct ABC\n"
"{\n"
" char str[1];\n"
"};\n"
"\n"
"static void f()\n"
"{\n"
" struct ABC x;\n"
" x.str[1] = 0;"
"}\n");
TODO_ASSERT_EQUALS("[test.cpp:9]: (error) Array 'str[1]' index 1 out of bounds\n", "", errout.str());
check("struct foo\n"
"{\n"
" char str[10];\n"