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/jdk/java/text/Format/NumberFormat/StrictMethodsTest.java

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+/*
+ * Copyright (c) 2024, 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 8327640
+ * @summary Unit test for the isStrict() and setStrict() parsing related methods
+ * @run junit StrictMethodsTest
+ */
+
+import org.junit.jupiter.api.Test;
+
+import java.text.CompactNumberFormat;
+import java.text.DecimalFormat;
+import java.text.FieldPosition;
+import java.text.NumberFormat;
+import java.text.ParsePosition;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class StrictMethodsTest {
+
+    // Check that DecimalFormat implements isStrict()/setStrict()
+    // Ensure that the default value is false, and can be set to true via API
+    @Test
+    public void decimalFormatTest() {
+        DecimalFormat dFmt = (DecimalFormat) NumberFormat.getInstance();
+        assertFalse(dFmt.isStrict());
+        dFmt.setStrict(true);
+        assertTrue(dFmt.isStrict());
+    }
+
+    // Check that CompactNumberFormat implements isStrict()/setStrict()
+    // Ensure that the default value is false, and can be set to true via API
+    @Test
+    public void compactFormatTest() {
+        CompactNumberFormat cFmt = (CompactNumberFormat) NumberFormat.getCompactNumberInstance();
+        assertFalse(cFmt.isStrict());
+        cFmt.setStrict(true);
+        assertTrue(cFmt.isStrict());
+    }
+
+    // Check that NumberFormat throws exception for isStrict()/setStrict()
+    // when subclass does not implement said methods
+    @Test
+    public void numberFormatTest() {
+        FooFormat fmt = new FooFormat();
+        assertThrows(UnsupportedOperationException.class, fmt::isStrict);
+        assertThrows(UnsupportedOperationException.class, () -> fmt.setStrict(false));
+    }
+
+    // Dummy NumberFormat class to check that isStrict() and setStrict()
+    // are not implemented by default
+    private static class FooFormat extends NumberFormat {
+
+        // Provide overrides for abstract methods
+        @Override
+        public StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) {
+            return null;
+        }
+
+        @Override
+        public StringBuffer format(long number, StringBuffer toAppendTo, FieldPosition pos) {
+            return null;
+        }
+
+        @Override
+        public Number parse(String source, ParsePosition parsePosition) {
+            return null;
+        }
+    }
+}