undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/hotspot/gtest/utilities/test_valueObjArray.cpp

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "utilities/valueObjArray.hpp"
+#include "unittest.hpp"
+
+class ValueObjArrayTest : public ::testing::Test {
+protected:
+  class IntGenerator {
+    int _current;
+
+  public:
+    IntGenerator() : _current(0) {}
+    int operator*() const {
+      return _current;
+    }
+    IntGenerator operator++() {
+      ++_current;
+      return *this;
+    }
+  };
+
+  struct Struct {
+    int _value;
+    const char* _string;
+  };
+
+  class StructGenerator {
+    int _current;
+
+    static const char* str(int i) {
+      const char* array[] = {
+        "0",
+        "1",
+        "2",
+        "3"};
+      return array[i];
+    }
+
+  public:
+    StructGenerator() : _current(0) {}
+    Struct operator*() const {
+      assert(_current < 4, "precondition");
+      Struct s = { _current, str(_current)};
+      return s;
+    }
+    StructGenerator operator++() {
+      ++_current;
+      return *this;
+    }
+  };
+};
+
+TEST_F(ValueObjArrayTest, primitive) {
+  ValueObjArrayTest::IntGenerator g;
+  ValueObjArray<int, 4> array(g);
+  ASSERT_EQ(array.count(), 4);
+  ASSERT_EQ(*array.at(0), 0);
+  ASSERT_EQ(*array.at(1), 1);
+  ASSERT_EQ(*array.at(2), 2);
+  ASSERT_EQ(*array.at(3), 3);
+}
+
+TEST_F(ValueObjArrayTest, struct) {
+  ValueObjArrayTest::StructGenerator g;
+  ValueObjArray<Struct, 4> array(g);
+  ASSERT_EQ(array.count(), 4);
+  ASSERT_EQ(array.at(0)->_value, 0);
+  ASSERT_EQ(array.at(1)->_value, 1);
+  ASSERT_EQ(array.at(2)->_value, 2);
+  ASSERT_EQ(array.at(3)->_value, 3);
+  ASSERT_EQ(array.at(0)->_string[0], '0');
+  ASSERT_EQ(array.at(1)->_string[0], '1');
+  ASSERT_EQ(array.at(2)->_string[0], '2');
+  ASSERT_EQ(array.at(3)->_string[0], '3');
+}