C++: Update points_to tests to use new framework

2026-05-05 05:35:13 +02:00 · 2020-01-28 10:56:49 -07:00
parent af9d90cf46
commit bb9485d548
5 changed files with 152 additions and 121 deletions
--- a/cpp/ql/test/library-tests/ir/points_to/points_to.cpp
+++ b/cpp/ql/test/library-tests/ir/points_to/points_to.cpp
@@ -0,0 +1,87 @@
+struct Point {
+  int x;
+  int y;
+};
+
+struct Base1 {
+  int b1;
+};
+
+struct Base2 {
+  int b2;
+};
+
+struct DerivedSI : Base1 {
+  int dsi;
+};
+
+struct DerivedMI : Base1, Base2 {
+  int dmi;
+};
+
+struct DerivedVI : virtual Base1 {
+  int dvi;
+};
+
+void Locals() {
+  Point pt = {  //$ussa=pt
+    1,  //$ussa=pt[0..4)<int>
+    2  //$ussa=pt[4..8)<int>
+  };
+  int i = pt.x;  //$ussa=pt[0..4)<int>
+  i = pt.y;  //$ussa=pt[4..8)<int>
+  int* p = &pt.x;
+  i = *p;  //$ussa=pt[0..4)<int>
+  p = &pt.y;
+  i = *p;  //$ussa=pt[4..8)<int>
+}
+
+void PointsTo(
+  int a,         //$raw,ussa=a
+  Point& b,      //$raw,ussa=b $ussa=*b
+  Point* c,      //$raw,ussa=c $ussa=*c
+  int* d,        //$raw,ussa=d $ussa=*d
+  DerivedSI* e,  //$raw,ussa=e $ussa=*e
+  DerivedMI* f,  //$raw,ussa=f $ussa=*f
+  DerivedVI* g   //$raw,ussa=g $ussa=*g
+) {
+
+  int i = a;  //$raw,ussa=a
+  i = *&a;  //$raw,ussa=a
+  i = *(&a + 0);  //$raw,ussa=a
+  i = b.x;  //$raw,ussa=b $ussa=*b[0..4)<int>
+  i = b.y;  //$raw,ussa=b $ussa=*b[4..8)<int>
+  i = c->x;  //$raw,ussa=c $ussa=*c[0..4)<int>
+  i = c->y;  //$raw,ussa=c $ussa=*c[4..8)<int>
+  i = *d;  //$raw,ussa=d $ussa=*d[0..4)<int>
+  i = *(d + 0);  //$raw,ussa=d $ussa=*d[0..4)<int>
+  i = d[5];  //$raw,ussa=d $ussa=*d[20..24)<int>
+  i = 5[d];  //$raw,ussa=d $ussa=*d[20..24)<int>
+  i = d[a];  //$raw,ussa=d $raw,ussa=a $ussa=*d[?..?)<int>
+  i = a[d];  //$raw,ussa=d $raw,ussa=a $ussa=*d[?..?)<int>
+
+  int* p = &b.x;  //$raw,ussa=b
+  i = *p;  //$ussa=*b[0..4)<int>
+  p = &b.y;  //$raw,ussa=b
+  i = *p;  //$ussa=*b[4..8)<int>
+  p = &c->x;  //$raw,ussa=c
+  i = *p;  //$ussa=*c[0..4)<int>
+  p = &c->y;  //$raw,ussa=c
+  i = *p;  //$ussa=*c[4..8)<int>
+  p = &d[5];  //$raw,ussa=d
+  i = *p;  //$ussa=*d[20..24)<int>
+  p = &d[a];  //$raw,ussa=d $raw,ussa=a
+  i = *p;  //$ussa=*d[?..?)<int>
+
+  Point* q = &c[a];  //$raw,ussa=c $raw,ussa=a
+  i = q->x;  //$ussa=*c[?..?)<int>
+  i = q->y;  //$ussa=*c[?..?)<int>
+
+  i = e->b1;  //$raw,ussa=e $ussa=*e[0..4)<int>
+  i = e->dsi;  //$raw,ussa=e $ussa=*e[4..8)<int>
+  i = f->b1;  //$raw,ussa=f $ussa=*f[0..4)<int>
+  i = f->b2;  //$raw,ussa=f $ussa=*f[4..8)<int>
+  i = f->dmi;  //$raw,ussa=f $ussa=*f[8..12)<int>
+  i = g->b1;  //$raw,ussa=g $ussa=*g[?..?)<int>
+  i = g->dvi;  //$raw,ussa=g $ussa=*g[8..12)<int>
+}