mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-07 13:54:33 +00:00
141 lines
2.7 KiB
Java
141 lines
2.7 KiB
Java
class String_overflow
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{
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static void getChars()
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{
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String source = "abcdefg";
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char[] dest = new char [3];
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try
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{
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source.getChars (0, 5, // Source
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dest, (1<<31) - 1);
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Fail ("getChars", "Should not have succeeded");
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}
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catch (Throwable e)
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{
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ExpectArrayIndex ("getChars", e);
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}
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}
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/* How do I stop a compiler warning causing a test to fail?
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static void getBytes()
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{
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String source = "abcdefg";
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byte[] dest = new byte[3];
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try
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{
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source.getBytes (0, 5, dest, (1<<31) - 1);
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Fail ("getBytes", "Should not have succeeded");
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}
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catch (Throwable e)
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{
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ExpectArrayIndex ("getBytes", e);
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}
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}
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*/
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static void regionMatches()
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{
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if ("abcdefg".regionMatches (4, "abcdefg", 4, -1))
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{
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Fail ("regionMatches", "Should not return true");
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}
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try
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{
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if ("abcdefg".regionMatches (4, "abcdefg", 4, (1<<31)-1))
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{
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Fail ("regionMatches (2nd)", "Should not return true");
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}
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}
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catch (Throwable e)
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{
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Fail ("regionMatches (2nd)", e);
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}
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}
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static void regionMatchesCase()
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{
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if ("abcdefg".regionMatches (true, 4, "abcdefg", 4, -1))
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{
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Fail ("regionMatchesCase", "Should not return true");
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}
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try
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{
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if ("abcdefg".regionMatches (true, 4, "abcdefg", 4, (1<<31)-1))
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{
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Fail ("regionMatchesCase (2nd)", "Should not return true");
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}
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}
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catch (Throwable e)
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{
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Fail ("regionMatchesCase (2nd)", e);
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}
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}
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static void startsWith()
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{
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// We make the arg pretty big to try and cause a segfault.
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String s = new String ("abcdef");
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StringBuffer b = new StringBuffer (1000000);
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b.setLength (1000000);
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String arg = new String (b);
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try
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{
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s.startsWith (arg, (1<<31) - 1000000);
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}
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catch (Throwable e)
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{
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Fail ("startsWith", e);
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}
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}
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static void valueOf()
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{
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char[] array = new char[] {'a', 'b', 'c', 'd', 'e'};
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try
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{
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String.valueOf (array, 4, (1<<31)-1);
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Fail ("valueOf", "should not succeed");
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}
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catch (Throwable e)
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{
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ExpectArrayIndex ("valueOf", e);
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}
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}
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public static void main (String[] args) throws Throwable
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{
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getChars();
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// getBytes();
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regionMatches();
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regionMatchesCase();
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startsWith();
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valueOf();
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if (tests_failed == 0)
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System.out.println ("ok");
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}
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static void ExpectArrayIndex (String test, Throwable e)
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{
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if (e instanceof ArrayIndexOutOfBoundsException)
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return;
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Fail (test, e);
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}
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static void Fail (String test, Object problem)
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{
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++tests_failed;
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System.err.print (test);
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System.err.print ('\t');
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System.err.println (problem);
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}
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static int tests_failed;
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}
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