| |
| // This is the long_long runtime testcase. It checks that the long long and |
| // unsigned long long types map correctly to long and BigInteger respectively. |
| |
| import long_long.*; |
| import java.math.BigInteger; |
| import java.util.ArrayList; |
| |
| public class long_long_runme { |
| |
| static { |
| try { |
| System.loadLibrary("long_long"); |
| } catch (UnsatisfiedLinkError e) { |
| System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e); |
| System.exit(1); |
| } |
| } |
| |
| public static void main(String argv[]) { |
| |
| check_ll(0L); |
| check_ll(0x7FFFFFFFFFFFFFFFL); |
| check_ll(-10); |
| |
| BigInteger testNumber = new BigInteger("0"); |
| final int COUNT = 1025; |
| |
| for (long i=0; i<COUNT; i++) { |
| check_ull(testNumber); |
| testNumber = testNumber.add(BigInteger.ONE); |
| } |
| |
| testNumber = new BigInteger(Long.toString(256*256/2-COUNT)); |
| for (long i=0; i<COUNT*2; i++) { |
| check_ull(testNumber); |
| testNumber = testNumber.add(BigInteger.ONE); |
| } |
| |
| testNumber = new BigInteger(Long.toString(256*256-COUNT)); |
| for (long i=0; i<COUNT*2; i++) { |
| check_ull(testNumber); |
| testNumber = testNumber.add(BigInteger.ONE); |
| } |
| |
| testNumber = new BigInteger(Long.toString(0x7FFFFFFFFFFFFFFFL-COUNT)); |
| for (long i=0; i<COUNT*2; i++) { |
| check_ull(testNumber); |
| testNumber = testNumber.add(BigInteger.ONE); |
| } |
| |
| testNumber = new BigInteger("18446744073709551615"); //0xFFFFFFFFFFFFFFFFL |
| testNumber = testNumber.add(BigInteger.valueOf(1-COUNT)); |
| for (long i=0; i<COUNT; i++) { |
| check_ull(testNumber); |
| testNumber = testNumber.add(BigInteger.ONE); |
| } |
| |
| try { |
| long_long.setUll(null); |
| throw new RuntimeException("null check failed"); |
| } catch (NullPointerException e) { |
| } |
| |
| // UnsignedToSigned - checks that a cast from unsigned long long to long long in C |
| // gives expected value (including -ve numbers) |
| |
| long[] nums = { |
| 0x00, |
| 0xFF, 0x80, 0x7F, 0x01, |
| -0xFF, -0x80, -0x7F, -0x01, |
| 0x100, 0x10000, |
| -0x100, -0x10000, |
| 0xFFFF, 0xFF80, 0xFF7F, 0xFF01, 0xFF00, |
| -0xFFFF, -0xFF80, -0xFF7F, -0xFF01, -0xFF00, |
| 0x7FFF, 0x7F80, 0x7F7F, 0x7F01, 0x7F00, |
| -0x7FFF, -0x7F80, -0x7F7F, -0x7F01, -0x7F00, |
| 0x80FF, 0x8080, 0x807F, 0x8001, 0x8000, |
| -0x80FF, -0x8080, -0x807F, -0x8001, -0x8000, |
| Integer.MAX_VALUE, Integer.MIN_VALUE, |
| Integer.MAX_VALUE+1, Integer.MIN_VALUE-1, |
| Long.MAX_VALUE, Long.MIN_VALUE, |
| }; |
| |
| ArrayList<BigInteger> bigIntegers = new ArrayList<BigInteger>(); |
| for (int i=0; i<nums.length; ++i) { |
| BigInteger bi = new BigInteger(Long.valueOf(nums[i]).toString()); |
| bigIntegers.add(bi); |
| } |
| |
| { |
| BigInteger bi = new BigInteger(Long.valueOf(Long.MAX_VALUE).toString()); |
| bigIntegers.add(bi.add(BigInteger.ONE)); |
| bi = new BigInteger(Long.valueOf(Long.MIN_VALUE).toString()); |
| bigIntegers.add(bi.subtract(BigInteger.ONE)); |
| } |
| |
| boolean failed = false; |
| for (int i=0; i<bigIntegers.size(); ++i) { |
| BigInteger bi = (BigInteger)bigIntegers.get(i); |
| long longReturn = long_long.UnsignedToSigned(bi); |
| if (bi.longValue() != longReturn) { |
| System.err.println("Conversion to long failed, in:" + bi + " out:" + longReturn); |
| failed = true; |
| } |
| } |
| if (failed) |
| throw new RuntimeException("There were UnsignedToSigned failures"); |
| } |
| |
| public static void check_ll(long ll) { |
| long_long.setLl(ll); |
| long ll_check = long_long.getLl(); |
| if (ll != ll_check) { |
| throw new RuntimeException("Runtime test using long long failed. ll=" + ll + " ll_check=" + ll_check); |
| } |
| } |
| |
| public static void check_ull(BigInteger ull) { |
| long_long.setUll(ull); |
| BigInteger ull_check = long_long.getUll(); |
| if (ull.compareTo(ull_check) != 0) { |
| throw new RuntimeException("Runtime test using unsigned long long failed. ull=" + ull.toString() + " ull_check=" + ull_check.toString()); |
| } |
| } |
| } |
| |