1 files changed, 151 insertions, 0 deletions
diff --git a/odb-tests/common/view/olv/test4.hxx b/odb-tests/common/view/olv/test4.hxx
new file mode 100644
index 0000000..f2af5fd
--- /dev/null
+++ b/odb-tests/common/view/olv/test4.hxx
@@ -0,0 +1,151 @@
+// file      : common/view/olv/test4.hxx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST4_HXX
+#define TEST4_HXX
+
+#include <string>
+#include <memory>  // shared_ptr
+
+#include <odb/core.hxx>
+
+// Test by-value load.
+//
+#pragma db namespace table("t4_") session
+namespace test4
+{
+  #pragma db object
+  struct object1
+  {
+    object1 (int id_ = 0, int n_ = 0): id (id_), n (n_) {}
+
+    #pragma db id
+    int id;
+
+    int n;
+  };
+
+  #pragma db object
+  struct object2
+  {
+    object2 (int id_ = 0, const char* s_ = "", object1* o1_ = 0)
+        : id (id_), s (s_), o1 (o1_) {}
+
+    #pragma db id
+    int id;
+
+    std::string s;
+    object1* o1; // Shallow copy.
+  };
+
+  typedef object1* object1_ptr;
+  typedef object2* object2_ptr;
+
+  #pragma db view object(object1)
+  struct view1
+  {
+    #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) set()
+
+    #pragma db transient
+    object1 o1;
+  };
+
+  #pragma db view object(object1) transient
+  struct view1a
+  {
+    view1a (): o1_null (true) {}
+
+    #pragma db member(o1_) virtual(object1_ptr) get(&this.o1)       \
+      set(this.o1_null = !(?))
+
+    object1 o1;
+    bool o1_null;
+  };
+
+  #pragma db view object(object1)
+  struct view1b
+  {
+    view1b (): o1_p (0) {}
+
+    #pragma db transient
+    object1 o1;
+
+    #pragma db get(&this.o1) set(o1_p = (?))
+    object1* o1_p;
+  };
+
+  #pragma db view object(object1)
+  struct view1c
+  {
+    view1c (object1& o1): o1_p (&o1) {}
+
+    object1* o1_p;
+  };
+
+  #pragma db view object(object1) object(object2) transient
+  struct view2
+  {
+    #pragma db member(o2_) virtual(object2_ptr) get(&this.o2) set()
+    #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) set()
+
+    object1 o1;
+    object2 o2;
+  };
+
+  #pragma db view object(object1) object(object2) transient
+  struct view2a
+  {
+    #pragma db member(o2_) virtual(object2_ptr) get(&this.o2)       \
+      set(o2_null = !(?))
+    #pragma db member(o1_) virtual(object1_ptr) get(&this.o1) set()
+
+    object1 o1;
+    object2 o2;
+    bool o2_null;
+  };
+
+  // Test loading into raw pointer with non-raw object pointer.
+  //
+  using std::shared_ptr;
+
+  #pragma db object pointer(shared_ptr)
+  struct object3
+  {
+    object3 (int id_ = 0, int n_ = 0): id (id_), n (n_) {}
+
+    #pragma db id
+    int id;
+
+    int n;
+  };
+
+  #pragma db view object(object3)
+  struct view3
+  {
+    // This view implements the following slightly twisted logic: if the
+    // object is already in the cache, then set o3_p to that. Otherwise,
+    // load it into the by-value instance. We can also check whether o3_p
+    // points to o3 to distinguish between the two outcomes.
+    //
+
+    // Since we may be getting the pointer as both smart and raw, we
+    // need to create a bit of support code to use in the modifier
+    // expression.
+    //
+    void set_o3 (object3* p) {o3_p = p;}                   // &o3 or NULL.
+    void set_o3 (shared_ptr<object3> p) {o3_p = p.get ();} // From cache.
+
+    #pragma db get(&this.o3) set(set_o3(?))
+    object3* o3_p;
+
+    #pragma db transient
+    object3 o3;
+
+    // Return-by-value support (query_value()).
+    //
+    view3 (): o3_p (0) {}
+    view3 (const view3& x): o3_p (x.o3_p == &x.o3 ? &o3 : x.o3_p), o3 (x.o3) {}
+  };
+}
+
+#endif // TEST4_HXX