Add exception_without_delete.cpp

exception_without_delete.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+#include <string>
+using std::cin, std::cout, std::string;
+
+class A
+{
+public:
+    A() { cout << "A构造\n"; }
+    ~A() { cout << "A析构\n"; }
+};
+
+class Test
+{
+    A *p;
+
+public:
+    Test()
+    {
+        p = new A[3];
+        throw -1;
+    }
+    ~Test()
+    {
+        delete[] p;
+    }
+};
+
+int main()
+{
+    try
+    {
+        Test t{};
+    }
+    catch (int)
+    {
+        cout << "捕获了 int异常\n";
+    }
+}