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C++: Test for cpp/uninitialized-local

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This commit is contained in:
Calum Grant
2024-09-16 15:10:17 +01:00
parent 752502ba76
commit 60abea17e6
2 changed files with 19 additions and 0 deletions
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4
cpp/ql/test/query-tests/Security/CWE/CWE-457/semmle/tests/UninitializedLocal.expected
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@@ -1,5 +1,7 @@
edges
nodes
| errors.cpp:4:7:4:7 | definition of x | semmle.label | definition of x |
| errors.cpp:13:7:13:7 | definition of x | semmle.label | definition of x |
| test.cpp:11:6:11:8 | definition of foo | semmle.label | definition of foo |
| test.cpp:111:6:111:8 | definition of foo | semmle.label | definition of foo |
| test.cpp:226:7:226:7 | definition of x | semmle.label | definition of x |
@@ -14,6 +16,8 @@ nodes
| test.cpp:472:6:472:6 | definition of x | semmle.label | definition of x |
| test.cpp:479:6:479:6 | definition of x | semmle.label | definition of x |
#select
| errors.cpp:6:10:6:10 | x | errors.cpp:4:7:4:7 | definition of x | errors.cpp:4:7:4:7 | definition of x | The variable $@ may not be initialized at this access. | errors.cpp:4:7:4:7 | x | x |
| errors.cpp:14:18:14:18 | x | errors.cpp:13:7:13:7 | definition of x | errors.cpp:13:7:13:7 | definition of x | The variable $@ may not be initialized at this access. | errors.cpp:13:7:13:7 | x | x |
| test.cpp:12:6:12:8 | foo | test.cpp:11:6:11:8 | definition of foo | test.cpp:11:6:11:8 | definition of foo | The variable $@ may not be initialized at this access. | test.cpp:11:6:11:8 | foo | foo |
| test.cpp:113:6:113:8 | foo | test.cpp:111:6:111:8 | definition of foo | test.cpp:111:6:111:8 | definition of foo | The variable $@ may not be initialized at this access. | test.cpp:111:6:111:8 | foo | foo |
| test.cpp:227:3:227:3 | x | test.cpp:226:7:226:7 | definition of x | test.cpp:226:7:226:7 | definition of x | The variable $@ may not be initialized at this access. | test.cpp:226:7:226:7 | x | x |

15
cpp/ql/test/query-tests/Security/CWE/CWE-457/semmle/tests/errors.cpp Normal file
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@@ -0,0 +1,15 @@
// semmle-extractor-options: --expect_errors
int f1() {
int x;
initialize(&x); // error expression - initialize() is not defined
return x; // GOOD - assume x is initialized
}
void * operator new(unsigned long, bool);
void operator delete(void*, bool);
int f2() {
int x;
new(true) int (x); // BAD, ignore implicit error expression
}