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C++: Add test with widening of binary Expr

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This commit is contained in:
Jonas Jensen
2020-10-12 11:06:54 +02:00
parent 297f1c75e4
commit bbeea452e1
3 changed files with 20 additions and 0 deletions
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6
cpp/ql/test/library-tests/rangeanalysis/SimpleRangeAnalysis/lowerBound.expected
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@@ -582,6 +582,12 @@
| test.c:635:9:635:10 | ss | -32768 |
| test.c:638:7:638:8 | ss | -32768 |
| test.c:639:9:639:10 | ss | -1 |
| test.c:645:8:645:8 | s | -2147483648 |
| test.c:645:15:645:15 | s | 0 |
| test.c:645:23:645:23 | s | 0 |
| test.c:646:18:646:18 | s | 0 |
| test.c:646:22:646:22 | s | 0 |
| test.c:647:9:647:14 | result | 0 |
| test.cpp:10:7:10:7 | b | -2147483648 |
| test.cpp:11:5:11:5 | x | -2147483648 |
| test.cpp:13:10:13:10 | x | -2147483648 |

8
cpp/ql/test/library-tests/rangeanalysis/SimpleRangeAnalysis/test.c
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@@ -638,4 +638,12 @@ void two_bounds_from_one_test(short ss, unsigned short us) {
if (ss + 1 < sizeof(int)) {
out(ss); // -1 .. 2
}
}
void widen_recursive_expr() {
int s;
for (s = 0; s < 10; s++) {
int result = s + s; // 0 .. 9 [BUG: upper bound is 15 due to widening]
out(result); // 0 .. 18 [BUG: upper bound is 30 due to widening]
}
}

6
cpp/ql/test/library-tests/rangeanalysis/SimpleRangeAnalysis/upperBound.expected
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@@ -582,6 +582,12 @@
| test.c:635:9:635:10 | ss | 32767 |
| test.c:638:7:638:8 | ss | 32767 |
| test.c:639:9:639:10 | ss | 2 |
| test.c:645:8:645:8 | s | 2147483647 |
| test.c:645:15:645:15 | s | 127 |
| test.c:645:23:645:23 | s | 15 |
| test.c:646:18:646:18 | s | 15 |
| test.c:646:22:646:22 | s | 15 |
| test.c:647:9:647:14 | result | 30 |
| test.cpp:10:7:10:7 | b | 2147483647 |
| test.cpp:11:5:11:5 | x | 2147483647 |
| test.cpp:13:10:13:10 | x | 2147483647 |