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-rw-r--r--test/Analysis/nullptr.cpp41
1 files changed, 40 insertions, 1 deletions
diff --git a/test/Analysis/nullptr.cpp b/test/Analysis/nullptr.cpp
index 56151dc..17320f3 100644
--- a/test/Analysis/nullptr.cpp
+++ b/test/Analysis/nullptr.cpp
@@ -1,4 +1,6 @@
-// RUN: %clang_cc1 -std=c++11 -Wno-conversion-null -analyze -analyzer-checker=core -analyzer-store region -verify %s
+// RUN: %clang_cc1 -std=c++11 -Wno-conversion-null -analyze -analyzer-checker=core,debug.ExprInspection -analyzer-store region -verify %s
+
+void clang_analyzer_eval(int);
// test to see if nullptr is detected as a null pointer
void foo1(void) {
@@ -87,3 +89,40 @@ void testMaterializeTemporaryExprWithNullPtr() {
// Create MaterializeTemporaryExpr with a nullptr inside.
const nullptr_t &r = nullptr;
}
+
+int getSymbol();
+
+struct X {
+ virtual void f() {}
+};
+
+void invokeF(X* x) {
+ x->f(); // expected-warning{{Called C++ object pointer is null}}
+}
+
+struct Type {
+ decltype(nullptr) x;
+};
+
+void shouldNotCrash() {
+ decltype(nullptr) p;
+ if (getSymbol())
+ invokeF(p); // expected-warning{{Function call argument is an uninit}}
+ if (getSymbol())
+ invokeF(nullptr);
+ if (getSymbol()) {
+ X *x = Type().x;
+ x->f(); // expected-warning{{Called C++ object pointer is null}}
+ }
+}
+
+void f(decltype(nullptr) p) {
+ int *q = nullptr;
+ clang_analyzer_eval(p == 0); // expected-warning{{TRUE}}
+ clang_analyzer_eval(q == 0); // expected-warning{{TRUE}}
+}
+
+decltype(nullptr) returnsNullPtrType();
+void fromReturnType() {
+ ((X *)returnsNullPtrType())->f(); // expected-warning{{Called C++ object pointer is null}}
+}
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