From c651afce8af211a080d5641f1328732af4c54960 Mon Sep 17 00:00:00 2001
From: Michael Stevens <mail@michael-stevens.de>
Date: Thu, 7 Oct 2004 08:03:11 +0000
Subject: [PATCH] add placement_new test

svn path=/trunk/boost/libs/numeric/ublas/; revision=25603
---
 Jamfile                |  3 +++
 Jamfile.v2             |  4 +++-
 test/placement_new.cpp | 54 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 test/placement_new.cpp

diff --git a/Jamfile b/Jamfile
index ee6614cb..ac0f4125 100644
--- a/Jamfile
+++ b/Jamfile
@@ -116,6 +116,9 @@ test-suite numeric/uBLAS
 #            <define>$(UBLAS_TESTSET)
 #            <vacpp><*><define>"BOOST_UBLAS_NO_ELEMENT_PROXIES"
 #      ]
+
+      [ run test/placement_new.cpp
+      ]
       [ compile concepts.cpp
         : # requirements
             <define>EXTERNAL
diff --git a/Jamfile.v2 b/Jamfile.v2
index 245956d3..48c20cb7 100644
--- a/Jamfile.v2
+++ b/Jamfile.v2
@@ -49,7 +49,6 @@ test-suite numeric/uBLAS
         : # input files
         : # requirements
             <define>$(UBLAS_TESTSET)
-            <toolset>intel-linux:<cxxflags>"-fpstkchk"	# Try and pick up runtime failures
             <toolset>vacpp:<define>"BOOST_UBLAS_NO_ELEMENT_PROXIES"
       ]
       [ run test2/test2.cpp
@@ -100,6 +99,9 @@ test-suite numeric/uBLAS
 #            <define>$(UBLAS_TESTSET)
 #            <toolset>vacpp:<define>"BOOST_UBLAS_NO_ELEMENT_PROXIES"
 #      ]
+
+      [ run test/placement_new.cpp
+      ]
       [ compile concepts.cpp
         : # requirements
             <define>EXTERNAL
diff --git a/test/placement_new.cpp b/test/placement_new.cpp
new file mode 100644
index 00000000..b7d69149
--- /dev/null
+++ b/test/placement_new.cpp
@@ -0,0 +1,54 @@
+/*
+ * Test placement new and array placement new for uBLAS
+ *  See if base pointer is effected by array count cookie
+ */
+
+#include <boost/numeric/ublas/config.hpp>
+#include <iostream>
+
+// User defined type to capture base pointer on construction
+class udt;
+udt* base_pointer;
+
+class udt {
+public:
+    udt () {
+       base_pointer = this;
+    }
+    ~udt () {}      // required for GCC prior to 3.4 to generate cookie
+};
+
+
+int main ()
+{
+    udt a;
+    udt* ap = &a;
+
+    // Capture placement new offsets for a udt    
+    new (ap) udt;
+    int new_offset = int (base_pointer - ap);
+    new (ap) udt [1];
+    int array_new_offset = int (base_pointer - ap);
+    
+    // Print offsets - we expect 0,0 or 0,sizeof(std::size_t)
+    std::cout << new_offset <<','<< array_new_offset << std::endl;
+
+    // Return status
+    if (new_offset != 0)
+        return -1;          // Very bad if new has an offset
+
+#ifdef BOOST_UBLAS_USEFUL_ARRAY_PLACEMENT_NEW
+    bool expect_array_offset = false;
+#else
+    bool expect_array_offset = true;
+#endif
+        // Check match between config and array
+    if (!expect_array_offset && array_new_offset != 0) {
+        return -2;          // Bad config should not enable array new
+    }
+    if (expect_array_offset && array_new_offset == 0) {
+        return -3;          // Config could enable array new
+    }
+
+    return 0;
+}