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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/math/BigDecimal/MultiplyTests.java
+++ b/test/jdk/java/math/BigDecimal/MultiplyTests.java
@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2006, 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.
+ */
+
+/*
+ * @test
+ * @bug 6850606
+ * @summary Test BigDecimal.multiply(BigDecimal)
+ * @author xlu
+ */
+
+import java.math.*;
+import static java.math.BigDecimal.*;
+
+public class MultiplyTests {
+
+    private static int multiplyTests() {
+        int failures = 0;
+
+        BigDecimal[] bd1 = {
+            new BigDecimal("123456789"),
+            new BigDecimal("1234567898"),
+            new BigDecimal("12345678987")
+        };
+
+        BigDecimal[] bd2 = {
+            new BigDecimal("987654321"),
+            new BigDecimal("8987654321"),
+            new BigDecimal("78987654321")
+        };
+
+        // Two dimensonal array recording bd1[i] * bd2[j] &
+        // 0 <= i <= 2 && 0 <= j <= 2;
+        BigDecimal[][] expectedResults = {
+            {new BigDecimal("121932631112635269"),
+             new BigDecimal("1109586943112635269"),
+             new BigDecimal("9751562173112635269")
+            },
+            { new BigDecimal("1219326319027587258"),
+              new BigDecimal("11095869503027587258"),
+              new BigDecimal("97515622363027587258")
+            },
+            { new BigDecimal("12193263197189452827"),
+              new BigDecimal("110958695093189452827"),
+              new BigDecimal("975156224183189452827")
+            }
+        };
+
+        for (int i = 0; i < bd1.length; i++) {
+            for (int j = 0; j < bd2.length; j++) {
+                if (!bd1[i].multiply(bd2[j]).equals(expectedResults[i][j])) {
+                    failures++;
+                }
+            }
+        }
+
+        BigDecimal x = BigDecimal.valueOf(8L, 1);
+        BigDecimal xPower = BigDecimal.valueOf(-1L);
+        try {
+            for (int i = 0; i < 100; i++) {
+                xPower = xPower.multiply(x);
+            }
+        } catch (Exception ex) {
+            failures++;
+        }
+        return failures;
+    }
+
+    public static void main(String[] args) {
+        int failures = 0;
+
+        failures += multiplyTests();
+
+        if (failures > 0) {
+            throw new RuntimeException("Incurred " + failures +
+                                       " failures while testing multiply.");
+        }
+    }
+}