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C++: Add testcase demonstrating the underlying problem in 6ca9c449af.

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This commit is contained in:
Mathias Vorreiter Pedersen
2020-09-15 12:32:15 +02:00
parent 1fbb0fbf54
commit d18dd5ab09
7 changed files with 25 additions and 0 deletions
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1
cpp/ql/test/library-tests/dataflow/fields/dataflow-ir-consistency.expected
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@@ -20,6 +20,7 @@ localCallNodes
postIsNotPre
postHasUniquePre
| simple.cpp:65:5:65:22 | Store | PostUpdateNode should have one pre-update node but has 0. |
| simple.cpp:92:5:92:22 | Store | PostUpdateNode should have one pre-update node but has 0. |
uniquePostUpdate
postIsInSameCallable
reverseRead

1
cpp/ql/test/library-tests/dataflow/fields/flow-diff.expected
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@@ -37,5 +37,6 @@
| qualifiers.cpp:37:38:37:47 | call to user_input | qualifiers.cpp:38:23:38:23 | a | AST only |
| qualifiers.cpp:42:29:42:38 | call to user_input | qualifiers.cpp:43:23:43:23 | a | AST only |
| qualifiers.cpp:47:31:47:40 | call to user_input | qualifiers.cpp:48:23:48:23 | a | AST only |
| simple.cpp:92:11:92:20 | call to user_input | simple.cpp:94:13:94:13 | i | AST only |
| struct_init.c:20:20:20:29 | call to user_input | struct_init.c:33:25:33:25 | a | AST only |
| struct_init.c:40:20:40:29 | call to user_input | struct_init.c:15:12:15:12 | a | AST only |

1
cpp/ql/test/library-tests/dataflow/fields/partial-definition-diff.expected
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@@ -321,6 +321,7 @@
| simple.cpp:83:9:83:10 | this | AST only |
| simple.cpp:83:12:83:13 | f1 | AST only |
| simple.cpp:84:14:84:20 | this | AST only |
| simple.cpp:92:7:92:7 | i | AST only |
| struct_init.c:15:8:15:9 | ab | AST only |
| struct_init.c:15:12:15:12 | a | AST only |
| struct_init.c:16:8:16:9 | ab | AST only |

1
cpp/ql/test/library-tests/dataflow/fields/partial-definition-ir.expected
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@@ -42,3 +42,4 @@
| simple.cpp:21:24:21:25 | this |
| simple.cpp:65:5:65:5 | a |
| simple.cpp:83:9:83:10 | f2 |
| simple.cpp:92:5:92:5 | a |

2
cpp/ql/test/library-tests/dataflow/fields/partial-definition.expected
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@@ -365,6 +365,8 @@
| simple.cpp:83:9:83:10 | this |
| simple.cpp:83:12:83:13 | f1 |
| simple.cpp:84:14:84:20 | this |
| simple.cpp:92:5:92:5 | a |
| simple.cpp:92:7:92:7 | i |
| struct_init.c:15:8:15:9 | ab |
| struct_init.c:15:12:15:12 | a |
| struct_init.c:16:8:16:9 | ab |

10
cpp/ql/test/library-tests/dataflow/fields/path-flow.expected
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@@ -332,6 +332,10 @@ edges
| simple.cpp:83:9:83:28 | ... = ... | simple.cpp:83:9:83:10 | f2 [post update] [f1] |
| simple.cpp:83:17:83:26 | call to user_input | simple.cpp:83:9:83:28 | ... = ... |
| simple.cpp:84:14:84:20 | this [f2, f1] | simple.cpp:84:14:84:20 | call to getf2f1 |
| simple.cpp:92:5:92:5 | a [post update] [i] | simple.cpp:94:10:94:11 | a2 [i] |
| simple.cpp:92:5:92:22 | ... = ... | simple.cpp:92:5:92:5 | a [post update] [i] |
| simple.cpp:92:11:92:20 | call to user_input | simple.cpp:92:5:92:22 | ... = ... |
| simple.cpp:94:10:94:11 | a2 [i] | simple.cpp:94:13:94:13 | i |
| struct_init.c:14:24:14:25 | ab [a] | struct_init.c:15:8:15:9 | ab [a] |
| struct_init.c:15:8:15:9 | ab [a] | struct_init.c:15:12:15:12 | a |
| struct_init.c:20:17:20:36 | {...} [a] | struct_init.c:22:8:22:9 | ab [a] |
@@ -732,6 +736,11 @@ nodes
| simple.cpp:83:17:83:26 | call to user_input | semmle.label | call to user_input |
| simple.cpp:84:14:84:20 | call to getf2f1 | semmle.label | call to getf2f1 |
| simple.cpp:84:14:84:20 | this [f2, f1] | semmle.label | this [f2, f1] |
| simple.cpp:92:5:92:5 | a [post update] [i] | semmle.label | a [post update] [i] |
| simple.cpp:92:5:92:22 | ... = ... | semmle.label | ... = ... |
| simple.cpp:92:11:92:20 | call to user_input | semmle.label | call to user_input |
| simple.cpp:94:10:94:11 | a2 [i] | semmle.label | a2 [i] |
| simple.cpp:94:13:94:13 | i | semmle.label | i |
| struct_init.c:14:24:14:25 | ab [a] | semmle.label | ab [a] |
| struct_init.c:15:8:15:9 | ab [a] | semmle.label | ab [a] |
| struct_init.c:15:12:15:12 | a | semmle.label | a |
@@ -830,6 +839,7 @@ nodes
| simple.cpp:29:12:29:12 | call to b | simple.cpp:42:12:42:21 | call to user_input | simple.cpp:29:12:29:12 | call to b | call to b flows from $@ | simple.cpp:42:12:42:21 | call to user_input | call to user_input |
| simple.cpp:67:13:67:13 | i | simple.cpp:65:11:65:20 | call to user_input | simple.cpp:67:13:67:13 | i | i flows from $@ | simple.cpp:65:11:65:20 | call to user_input | call to user_input |
| simple.cpp:84:14:84:20 | call to getf2f1 | simple.cpp:83:17:83:26 | call to user_input | simple.cpp:84:14:84:20 | call to getf2f1 | call to getf2f1 flows from $@ | simple.cpp:83:17:83:26 | call to user_input | call to user_input |
| simple.cpp:94:13:94:13 | i | simple.cpp:92:11:92:20 | call to user_input | simple.cpp:94:13:94:13 | i | i flows from $@ | simple.cpp:92:11:92:20 | call to user_input | call to user_input |
| struct_init.c:15:12:15:12 | a | struct_init.c:20:20:20:29 | call to user_input | struct_init.c:15:12:15:12 | a | a flows from $@ | struct_init.c:20:20:20:29 | call to user_input | call to user_input |
| struct_init.c:15:12:15:12 | a | struct_init.c:27:7:27:16 | call to user_input | struct_init.c:15:12:15:12 | a | a flows from $@ | struct_init.c:27:7:27:16 | call to user_input | call to user_input |
| struct_init.c:15:12:15:12 | a | struct_init.c:40:20:40:29 | call to user_input | struct_init.c:15:12:15:12 | a | a flows from $@ | struct_init.c:40:20:40:29 | call to user_input | call to user_input |

9
cpp/ql/test/library-tests/dataflow/fields/simple.cpp
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@@ -85,4 +85,13 @@ struct C2
}
};
typedef A A_typedef;
void single_field_test_typedef(A_typedef a)
{
a.i = user_input();
A_typedef a2 = a;
sink(a2.i); //$ast $f-:ir
}
} // namespace Simple