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/util/Currency/CNPGetDisplayName.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2010, 2023, 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 6807534
+ * @summary check whether the default implementation of
+ *    CurrencyNameProvider.getDisplayName(String, Locale) throws appropriate
+ *    exceptions when necessary.
+ * @run junit CNPGetDisplayName
+ */
+
+import java.util.Locale;
+import java.util.spi.CurrencyNameProvider;
+import java.util.stream.Stream;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class CNPGetDisplayName {
+
+    static final CurrencyNameProvider cnp = new CurrencyNameProviderImpl();
+
+    /**
+     * Tests that the currency name provider throws a NullPointerException
+     * under the expected circumstances.
+     */
+    @ParameterizedTest
+    @MethodSource("nullArgProvider")
+    public void NPETest(String currencyCode, Locale locale, String err) {
+        assertThrows(NullPointerException.class,
+                () -> cnp.getDisplayName(currencyCode, locale), err);
+    }
+
+    /**
+     * Tests that the currency name provider throws a IllegalArgumentException
+     * under the expected circumstances.
+     */
+    @ParameterizedTest
+    @MethodSource("illegalArgProvider")
+    public void IAETest(String currencyCode, Locale locale, String err) {
+        assertThrows(IllegalArgumentException.class,
+                () -> cnp.getDisplayName(currencyCode, locale), err);
+    }
+
+    private static Stream<Arguments> nullArgProvider() {
+        return Stream.of(
+                Arguments.of(null, Locale.US,
+                        "NPE was not thrown with null currencyCode"),
+                Arguments.of("USD", null,
+                        "NPE was not thrown with null locale")
+        );
+    }
+
+    private static Stream<Arguments> illegalArgProvider() {
+        return Stream.of(
+                Arguments.of("INVALID", Locale.US,
+                        "IAE was not thrown with invalid currency code"),
+                Arguments.of("inv", Locale.US,
+                        "IAE was not thrown with invalid currency code"),
+                Arguments.of("USD", Locale.JAPAN,
+                        "IllegalArgumentException was not thrown with non-supported locale")
+        );
+    }
+
+    static class CurrencyNameProviderImpl extends CurrencyNameProvider {
+        // dummy implementation
+        public String getSymbol(String currencyCode, Locale locale) {
+            return "";
+        }
+
+        public Locale[] getAvailableLocales() {
+            Locale[] avail = new Locale[1];
+            avail[0] = Locale.US;
+            return avail;
+        }
+    }
+}