test/jdk/java/lang/String/Exceptions.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/String/Exceptions.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,669 @@
+/*
+ * Copyright (c) 2002, 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 4472841 4703640 4705681 4705683 4833095 5005831
+ * @summary Verify that constructor exceptions are thrown as expected.
+ */
+
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
+
+public class Exceptions {
+    private static final byte [] b = { 0x48, 0x69, 0x2c, 0x20,
+                                       0x44, 0x75, 0x6b, 0x65, 0x21 };
+
+    private static final char [] c
+        = "Attack of the Killer Tomatoes!".toCharArray();
+
+    private static boolean ok = true;
+
+    private static void fail(Class ex, String s) {
+        ok = false;
+        System.err.println("expected " + ex.getName() + " for " + s
+                               + " - FAILED");
+    }
+
+    private static void pass(String s) {
+        System.out.println(s + " -- OK");
+    }
+
+    private static void tryCatch(String s, Class ex, Runnable thunk) {
+        Throwable t = null;
+        try {
+            thunk.run();
+        } catch (Throwable x) {
+            if (ex.isAssignableFrom(x.getClass()))
+                t = x;
+            else
+                x.printStackTrace();
+        }
+        if ((t == null) && (ex != null))
+            fail(ex, s);
+        else
+            pass(s);
+    }
+
+    // -- Constructors --
+
+    private static void noArgs() {
+        System.out.println("String()");
+        tryCatch("  default ctor", null, new Runnable() {
+                public void run() {
+                    new String();
+                }});
+    }
+
+    private static void string() {
+        System.out.println("String(String original)");
+        tryCatch("  \"foo\"", null, new Runnable() {
+                public void run() {
+                    new String("foo");
+                }});
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((String) null);
+                }});
+    }
+
+    private static void charArray() {
+        System.out.println("String(char value[])");
+        tryCatch("  char [] = \"Duke says \"Hi!\"\"", null, new Runnable() {
+                public void run() {
+                    new String("Duke says \"Hi!\"".toCharArray());
+                }});
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((char []) null);
+                }});
+    }
+
+    private static void charArrayOffCount() {
+        System.out.println("String(char value[], int offset, int count)");
+        tryCatch("  c, 0, 3", null, new Runnable() {
+                public void run() {
+                    new String(c, 0, 3);
+                }});
+        tryCatch("  null, 1, 2", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((char []) null, 1, 2);
+                }});
+        tryCatch("  c, -1, 4", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(c, -1, 4);
+                         }});
+        tryCatch("  c, 1, -1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(c, 1, -1);
+                         }});
+        tryCatch("  c, c.lengh + 1, 1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(c, c.length + 1, 1);
+                         }});
+        tryCatch("  c, 0, c.length + 1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(c, 0, c.length + 1);
+                         }});
+    }
+
+    private static void byteArrayHiOffCount() {
+        System.out.println("String(byte ascii[], int hibyte, int offset, "
+                           + "int count)");
+        tryCatch("  b, 0, 0, b.length", null, new Runnable() {
+                public void run() {
+                    System.out.println(new String(b, 0, 0, b.length));
+                }});
+
+        tryCatch("  b, -1, 4, 4", null, new Runnable() {
+                public void run() {
+                    new String(b, -1, 4, 4);
+                }});
+        tryCatch("  null, 0, 0, 0", NullPointerException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String((byte[]) null, 0, 0, 0);
+                         }});
+        tryCatch("  b, 0, -1, r", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, 0, -1, 4);
+                         }});
+        tryCatch("  b, 0, 4, -1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, 0, 4, -1);
+                         }});
+        tryCatch("  b, 0, b.length + 1, 1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, 0, b.length + 1, 1);
+                         }});
+        tryCatch("  b, 0, 0, b.length + 1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, 0, 0, b.length + 1);
+                         }});
+    }
+
+    private static void byteArrayHi() {
+        System.out.println("String(byte ascii[], int hibyte)");
+        tryCatch("  b, 0", null, new Runnable() {
+                public void run() {
+                    new String(b, 0);
+                }});
+        tryCatch("  null, 0", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((byte []) null, 0);
+                }});
+    }
+
+    private static void byteArrayOffLengthCharset0(String s, Class ex,
+                                                   byte [] b, int off,
+                                                   int len, Object cs)
+    {
+        Throwable t = null;
+        try {
+            if (cs instanceof String)
+                new String(b, off, len, (String)cs);
+            else // (cs instanceof Charset)
+                new String(b, off, len, (Charset)cs);
+        } catch (Throwable x) {
+            if (ex.isAssignableFrom(x.getClass()))
+                t = x;
+            else
+                x.printStackTrace();
+        }
+        if ((t == null) && (ex != null))
+            fail(ex, s);
+        else
+            pass(s);
+    }
+
+    private static void byteArrayOffLengthCharsetName() {
+        System.out.println("String(byte bytes[], int offset, int length, "
+                           + "String charsetName)");
+        System.out.println("  throws UnsupportedEncodingException");
+        String enc = "UTF-8";
+        byteArrayOffLengthCharset0("  b, 0, 0," + enc, null, b, 0, 0, enc);
+        byteArrayOffLengthCharset0("  null, 0, 0," + enc,
+                                   NullPointerException.class,
+                                   (byte []) null, 0, 0, enc);
+        byteArrayOffLengthCharset0("  b, -1, 0, " + enc,
+                                   IndexOutOfBoundsException.class,
+                                   b, -1, 0, enc);
+        byteArrayOffLengthCharset0("  b, 0, -1, " + enc,
+                                   IndexOutOfBoundsException.class,
+                                   b, 0, -1, enc);
+        byteArrayOffLengthCharset0("  b, b.length + 1, 1, " + enc,
+                                   IndexOutOfBoundsException.class,
+                                   b, b.length + 1, 1, enc);
+        byteArrayOffLengthCharset0("  b, 0, b.length + 1 " + enc,
+                                   IndexOutOfBoundsException.class,
+                                   b, 0, b.length + 1, enc);
+        byteArrayOffLengthCharset0("  b, -1, 0, null",
+                                   NullPointerException.class,
+                                   b, -1, 0, null);
+        byteArrayOffLengthCharset0("  b, 0, b.length, foo",
+                                   UnsupportedEncodingException.class,
+                                   b, 0, b.length, "foo");
+    }
+
+    private static void byteArrayOffLengthCharset() {
+        System.out.println("String(byte bytes[], int offset, int length, "
+                           + "Charset charset)");
+        Charset cs = Charset.forName("UTF-16BE");
+        byteArrayOffLengthCharset0("  b, 0, 0," + cs, null, b, 0, 0, cs);
+        byteArrayOffLengthCharset0("  null, 0, 0," + cs,
+                                   NullPointerException.class,
+                                   (byte []) null, 0, 0, cs);
+        byteArrayOffLengthCharset0("  b, -1, 0, " + cs,
+                                   IndexOutOfBoundsException.class,
+                                   b, -1, 0, cs);
+        byteArrayOffLengthCharset0("  b, 0, -1, " + cs,
+                                   IndexOutOfBoundsException.class,
+                                   b, 0, -1, cs);
+        byteArrayOffLengthCharset0("  b, b.length + 1, 1, " + cs,
+                                   IndexOutOfBoundsException.class,
+                                   b, b.length + 1, 1, cs);
+        byteArrayOffLengthCharset0("  b, 0, b.length + 1 " + cs,
+                                   IndexOutOfBoundsException.class,
+                                   b, 0, b.length + 1, cs);
+        byteArrayOffLengthCharset0("  b, -1, 0, null",
+                                   NullPointerException.class,
+                                   b, -1, 0, null);
+    }
+
+    private static void byteArrayCharset0(String s, Class ex, byte [] b,
+                                          Object cs)
+    {
+        Throwable t = null;
+        try {
+            if (cs instanceof String)
+                new String(b, (String)cs);
+            else // (cs instanceof Charset)
+                new String(b, (Charset)cs);
+        } catch (Throwable x) {
+            if (ex.isAssignableFrom(x.getClass()))
+                t = x;
+            else
+                x.printStackTrace();
+        }
+        if ((t == null) && (ex != null))
+            fail(ex, s);
+        else
+            pass(s);
+    }
+
+    private static void byteArrayCharsetName() {
+        System.out.println("String(byte bytes[], String charsetName)");
+        System.out.println("  throws UnsupportedEncodingException");
+        String enc = "US-ASCII";
+        byteArrayCharset0("  b, " + enc, null, b, enc);
+        byteArrayCharset0("  null, " + enc, NullPointerException.class,
+                          (byte []) null, enc);
+        byteArrayCharset0("  b, null", NullPointerException.class, b, null);
+        byteArrayCharset0("  null, null", NullPointerException.class,
+                          (byte []) null, null);
+        byteArrayCharset0("  b, bar", UnsupportedEncodingException.class,
+                          b, "bar");
+    }
+
+    private static void byteArrayCharset() {
+        System.out.println("String(byte bytes[], Charset charset)");
+        Charset cs = Charset.forName("ISO-8859-1");
+        byteArrayCharset0("  b, " + cs, null, b, cs);
+        byteArrayCharset0("  null, " + cs, NullPointerException.class,
+                          (byte []) null, cs);
+        byteArrayCharset0("  b, null", NullPointerException.class, b, null);
+        byteArrayCharset0("  null, null", NullPointerException.class,
+                          (byte []) null, null);
+    }
+
+    private static void byteArrayOffLength() {
+        System.out.println("String(byte bytes[], int offset, int length)");
+        tryCatch("  b, 0, b.length", null, new Runnable() {
+                public void run() {
+                    new String(b, 0, b.length);
+                }});
+        tryCatch("  null, 0, 0", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((byte []) null, 0, 0);
+                }});
+        tryCatch("  b, -1, b.length", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, -1, b.length);
+                         }});
+        tryCatch("  b, 0, -1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, 0, -1);
+                         }});
+        tryCatch("  b, b.length + 1, 1", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, b.length + 1, 1);
+                         }});
+        tryCatch("  b, 0, b.length", IndexOutOfBoundsException.class,
+                 new Runnable() {
+                         public void run() {
+                             new String(b, 0, b.length + 1);
+                         }});
+    }
+
+    private static void byteArray() {
+        System.out.println("String(byte bytes[])");
+        tryCatch("  b", null, new Runnable() {
+                public void run() {
+                    new String(b);
+                }});
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((byte []) null);
+                }});
+    }
+
+    private static void stringBuffer() {
+        System.out.println("String(StringBuffer buffer)");
+        tryCatch("  \"bar\"", null, new Runnable() {
+                public void run() {
+                    new String(new StringBuffer("bar"));
+                }});
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    new String((StringBuffer) null);
+                }});
+    }
+
+    // -- Methods --
+
+        private static void getChars() {
+        System.out.println("getChars.(int srcBegin, int srcEnd, char dst[], "
+                           + " int dstBegin");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".getChars(1, 2, null, 1);
+                }});
+    }
+
+    private static void getBytes() {
+        System.out.println("getChars.(int srcBegin, int srcEnd, char dst[], "
+                           + " int dstBegin");
+        tryCatch("  1, 2, null, 1", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".getBytes(1, 2, null, 1);
+                }});
+
+        System.out.println("getBytes.(String charsetName)"
+                           + " throws UnsupportedEncodingException");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    try {
+                        "foo".getBytes((String)null);
+                    } catch (UnsupportedEncodingException x) {
+                        throw new RuntimeException(x);
+                    }
+                }});
+
+        System.out.println("getBytes.(Charset charset)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".getBytes((Charset)null);
+                }});
+    }
+
+    private static void contentEquals() {
+        System.out.println("contentEquals(StringBuffer sb)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".contentEquals(null);
+                }});
+    }
+
+    private static void compareTo() {
+        System.out.println("compareTo(String anotherString)");
+        tryCatch("  (String) null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".compareTo((String) null);
+                }});
+
+        /* 4830291 (javac generics bug) causes this test to fail
+        System.out.println("compareTo(Object o)");
+        tryCatch("  (Object) null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".compareTo((Object) null);
+                }});
+        */
+    }
+
+    private static void compareToIgnoreCase() {
+        System.out.println("compareToIgnoreCase(String anotherString)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".compareToIgnoreCase((String) null);
+                }});
+    }
+
+    private static void regionMatches() {
+        System.out.println("regionMatches(int toffset, String other,"
+                           + " int ooffset, int len)");
+        tryCatch("  1, null, 1, 1", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".regionMatches(1, null, 1, 1);
+                }});
+
+        System.out.println("regionMatches(boolean ignore, int toffset,"
+                           + " String other, int ooffset, int len)");
+        tryCatch("  true, 1, null, 1, 1", NullPointerException.class,
+                 new Runnable() {
+                         public void run() {
+                             "foo".regionMatches(true, 1, null, 1, 1);
+                         }});
+    }
+
+    private static void startsWith() {
+        System.out.println("startsWith(String prefix, int toffset)");
+        tryCatch("  null, 1", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".startsWith(null, 1);
+                }});
+
+        System.out.println("startsWith(String prefix)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".startsWith(null);
+                }});
+    }
+
+    private static void endsWith() {
+        System.out.println("endsWith(String suffix)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".endsWith(null);
+                }});
+    }
+
+    private static void indexOf() {
+        System.out.println("indexOf(String str)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".indexOf(null);
+                }});
+
+        System.out.println("indexOf(String str, int fromIndex)");
+        tryCatch("  null, 1", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".indexOf(null, 1);
+                }});
+    }
+
+    private static void lastIndexOf() {
+        System.out.println("lastIndexOf(String str)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".lastIndexOf(null);
+                }});
+
+        System.out.println("lastIndexOf(String str, int fromIndex)");
+        tryCatch("  null, 1", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".lastIndexOf(null, 1);
+                }});
+    }
+
+    private static void concat() {
+        System.out.println("concat(String str)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".concat(null);
+                }});
+    }
+
+    private static void matches() {
+        System.out.println("matches(String regex)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".matches(null);
+                }});
+    }
+
+    private static void replaceFirst() {
+        System.out.println("replaceFirst(String regex, String replacement)");
+        tryCatch("  \".\", null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".replaceFirst(".", null);
+                }});
+        tryCatch("  null, \"-\"", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".replaceFirst(null, "-");
+                }});
+    }
+
+    private static void replaceAll() {
+        System.out.println("replaceAll(String regex, String replacement)");
+        tryCatch("  \".\", null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".replaceAll(".", null);
+                }});
+        tryCatch("  null, \"-\"", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".replaceAll(null, "-");
+                }});
+    }
+
+    private static void split() {
+        System.out.println("split(String regex, int limit)");
+        tryCatch("  null, 1", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".split(null, 1);
+                }});
+
+        System.out.println("split(String regex, int limit)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".split(null);
+                }});
+    }
+
+    private static void toLowerCase() {
+        System.out.println("toLowerCase(Locale locale)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".toLowerCase(null);
+                }});
+    }
+
+    private static void toUpperCase() {
+        System.out.println("toUpperCase(Locale locale)");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".toUpperCase(null);
+                }});
+    }
+
+    private static void valueOf() {
+        System.out.println("valueOf(Object obj)");
+        tryCatch("  null", null, new Runnable() {
+                public void run() {
+                    String.valueOf((Object) null);
+                }});
+
+        System.out.println("valueOf(char data[])");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    String.valueOf((char []) null);
+                }});
+
+        System.out.println("valueOf(char data[], int offset, int count)");
+        tryCatch("  null, 1, 2", NullPointerException.class, new Runnable() {
+                public void run() {
+                    String.valueOf((char []) null, 1, 2);
+                }});
+
+    }
+
+    private static void copyValueOf() {
+        System.out.println("copyValueOf(char data[], int offset, int count)");
+        tryCatch("  null, 1, 2", NullPointerException.class, new Runnable() {
+                public void run() {
+                    "foo".copyValueOf((char []) null, 1, 2);
+                }});
+
+        System.out.println("copyVlueOf(char data[])");
+        tryCatch("  null", NullPointerException.class, new Runnable() {
+                public void run() {
+                    String.copyValueOf((char []) null);
+                }});
+    }
+
+    public static void main(String [] args) {
+
+        // -- Constructors --
+
+        noArgs();             // String()
+        string();             // String(String original)
+        charArray();          // String(char value[])
+        charArrayOffCount();  // String(char value[], int offset, int count)
+
+        // String(byte ascii[], int hibyte, int offset, int count)
+        byteArrayHiOffCount();
+
+        byteArrayHi();        // String(byte ascii[], int hibyte)
+
+        // String(byte bytes[], int offset, int length, String charsetName)
+        //   throws UnsupportedEncodingException
+        byteArrayOffLengthCharsetName();
+
+        // String(byte bytes[], int offset, int length, Charset charset)
+        byteArrayOffLengthCharset();
+
+        // String(byte bytes[], String charsetName)
+        //   throws UnsupportedEncodingException
+        byteArrayCharsetName();
+
+        // String(byte bytes[], Charset charset)
+        byteArrayCharset();
+
+        byteArrayOffLength(); // String(byte bytes[], int offset, int length)
+        byteArray();          // String(byte bytes[])
+        stringBuffer();       // String(StringBuffer buffer)
+
+        // -- Methods --
+
+        getChars();           // getChars(int, int. char [], int)
+        getBytes();           // getBytes(int, int, byte [], int),
+                              //   getBytes(Locale)
+                              //   getBytes(String)
+                              //   getBytes(Charset)
+        contentEquals();      // contentEquals(StringBuffer)
+        compareTo();          // compareTo(String), compareTo(Object)
+        compareToIgnoreCase();// compareToIgnoreCase(String)
+        regionMatches();      // regionMatches(int, String, int, int)
+                              //   regionMatches(boolean, int, String, int, int)
+        startsWith();         // startsWith(String, int), startsWith(String)
+        endsWith();           // endsWith(String)
+        indexOf();            // indexOf(String), indexOf(String, int),
+        lastIndexOf();        // lastIndexOf(String), lastIndexOf(String, int)
+        concat();             // concat(String)
+        matches();            // matches(String)
+        replaceFirst();       // replaceFirst(String, String)
+        replaceAll();         // replaceAll(String, String)
+        split();              // split(String, int), split(String)
+        toLowerCase();        // toLowerCase(Locale)
+        toUpperCase();        // toUpperCase(Locale)
+        valueOf();            // valueOf(Object), valueOf(char []),
+                              //   valueOf(char [], int, int)
+        copyValueOf();        // copyValueOf(char [], int, int),
+                              //    copyValueOf(char [])
+
+        if (!ok)
+            throw new RuntimeException("Some tests FAILED");
+        else
+            System.out.println("All tests PASSED");
+    }
+}