walkero
/
cppcheck
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

refactoring TestBufferOverrun

This commit is contained in:
Daniel Marjamäki 2015-02-12 17:36:22 +01:00
parent 9aad4fa8ca
commit a6cfd15bde
1 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
test/testbufferoverrun.cpp
View File

@ -3412,7 +3412,7 @@ private:
Settings settings;
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"memset\">\n"
" <function name=\"mymemset\">\n"
" <noreturn>false</noreturn>\n"
" <arg nr=\"1\">\n"
" <minsize type=\"argvalue\" arg=\"3\"/>\n"
@ -3427,40 +3427,40 @@ private:
check("void f() {\n"
" char c[10];\n"
" memset(c, 0, 10);\n"
" mymemset(c, 0, 10);\n"
"}", settings);
ASSERT_EQUALS("", errout.str());
check("void f() {\n"
" char c[10];\n"
" memset(c, 0, 11);\n"
" mymemset(c, 0, 11);\n"
"}", settings);
ASSERT_EQUALS("[test.cpp:3]: (error) Buffer is accessed out of bounds: c\n", errout.str());
// ticket #836
check("void f() {\n"
" char a[10];\n"
" memset(a+5, 0, 10);\n"
" mymemset(a+5, 0, 10);\n"
"}", settings);
ASSERT_EQUALS("[test.cpp:3]: (error) Buffer is accessed out of bounds: a\n", errout.str());
// #4968 - not standard function
check("void f() {\n"
" char str[3];\n"
" foo.memset(str, 0, 100);\n"
" foo::memset(str, 0, 100);\n"
" std::memset(str, 0, 100);\n"
" foo.mymemset(str, 0, 100);\n"
" foo::mymemset(str, 0, 100);\n"
" std::mymemset(str, 0, 100);\n"
"}", settings);
TODO_ASSERT_EQUALS("[test.cpp:5]: (error) Buffer is accessed out of bounds: str\n", "", errout.str());
// #5257 - check strings
check("void f() {\n"
" memset(\"abc\", 0, 20);\n"
" mymemset(\"abc\", 0, 20);\n"
"}", settings);
ASSERT_EQUALS("[test.cpp:2]: (error) Buffer is accessed out of bounds.\n", errout.str());
check("void f() {\n"
" memset(temp, \"abc\", 4);\n"
" mymemset(temp, \"abc\", 4);\n"
"}", settings);
ASSERT_EQUALS("", errout.str());
}
@ -3469,7 +3469,7 @@ private:
Settings settings;
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"strncpy\">\n"
" <function name=\"mystrncpy\">\n"
" <noreturn>false</noreturn>\n"
" <arg nr=\"1\">\n"
" <minsize type=\"sizeof\" arg=\"2\"/>\n"
@ -3483,44 +3483,44 @@ private:
doc.Parse(xmldata, sizeof(xmldata));
settings.library.load(doc);
// strncpy...
check("void f() {\n"
" char c[7];\n"
" strncpy(c, \"hello\", 7);\n"
" mystrncpy(c, \"hello\", 7);\n"
"}", settings);
ASSERT_EQUALS("", errout.str());
check("void f() {\n"
" char c[6];\n"
" strncpy(c,\"hello\",6);\n"
" mystrncpy(c,\"hello\",6);\n"
"}", settings);
ASSERT_EQUALS("", errout.str());
check("void f() {\n"
" char c[5];\n"
" strncpy(c,\"hello\",6);\n"
" mystrncpy(c,\"hello\",6);\n"
"}", settings);
ASSERT_EQUALS("[test.cpp:3]: (error) Buffer is accessed out of bounds: c\n", errout.str());
check("void f() {\n"
" char c[6];\n"
" strncpy(c,\"hello!\",7);\n"
" mystrncpy(c,\"hello!\",7);\n"
"}", settings);
ASSERT_EQUALS("[test.cpp:3]: (error) Buffer is accessed out of bounds: c\n", errout.str());
check("struct AB { char a[10]; };\n"
"void foo(AB *ab) {\n"
" strncpy(x, ab->a, 100);\n"
" mystrncpy(x, ab->a, 100);\n"
"}", settings);
ASSERT_EQUALS("", errout.str());
check("void a(char *p) { strncpy(p,\"hello world!\",10); }\n" // #3168
check("void a(char *p) { mystrncpy(p,\"hello world!\",10); }\n" // #3168
"void b() {\n"
" char buf[5];\n"
" a(buf);"
"}", settings);
ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:1]: (error) Buffer is accessed out of bounds: buf\n", errout.str());
}
void minsize_strlen() {
Settings settings;
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
@ -3612,7 +3612,7 @@ private:
Settings settings;
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"fread\">\n"
" <function name=\"myfread\">\n"
" <arg nr=\"1\">\n"
" <minsize type=\"mul\" arg=\"2\" arg2=\"3\"/>\n"
" </arg>\n"
@ -3627,13 +3627,13 @@ private:
check("void f() {\n"
" char c[5];\n"
" fread(c, 1, 5, stdin);\n"
" myfread(c, 1, 5, stdin);\n"
"}", settings);
ASSERT_EQUALS("", errout.str());
check("void f() {\n"
" char c[5];\n"
" fread(c, 1, 6, stdin);\n"
" myfread(c, 1, 6, stdin);\n"
"}", settings);
ASSERT_EQUALS("[test.cpp:3]: (error) Buffer is accessed out of bounds: c\n", errout.str());
}