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5a09774353
I get this error when compiling with "make openjdk=...." on both x86_64 and
arm:
compiling test classes
test/Arrays.java:90: error: reference to equals is ambiguous, both method
equals(float[],float[]) in Arrays and method equals(Object[],Object[]) in
Arrays match
expect(java.util.Arrays.equals(null, null));
test/Arrays.java:95: error: reference to hashCode is ambiguous, both method
hashCode(double[]) in Arrays and method hashCode(Object[]) in Arrays match
java.util.Arrays.hashCode(null);
The attached patch fixes this.
99 lines
2.5 KiB
Java
99 lines
2.5 KiB
Java
public class Arrays {
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private static void expect(boolean v) {
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if (! v) throw new RuntimeException();
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}
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public static void main(String[] args) {
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{ int[] array = new int[0];
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Exception exception = null;
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try {
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int x = array[0];
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} catch (ArrayIndexOutOfBoundsException e) {
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exception = e;
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}
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expect(exception != null);
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}
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{ int[] array = new int[0];
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Exception exception = null;
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try {
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int x = array[-1];
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} catch (ArrayIndexOutOfBoundsException e) {
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exception = e;
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}
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expect(exception != null);
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}
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{ int[] array = new int[3];
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int i = 0;
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array[i++] = 1;
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array[i++] = 2;
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array[i++] = 3;
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expect(array[--i] == 3);
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expect(array[--i] == 2);
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expect(array[--i] == 1);
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}
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{ Object[][] array = new Object[1][1];
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expect(array.length == 1);
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expect(array[0].length == 1);
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}
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{ Object[][] array = new Object[2][3];
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expect(array.length == 2);
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expect(array[0].length == 3);
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}
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{ int j = 0;
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byte[] decodeTable = new byte[256];
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for (int i = 'A'; i <= 'Z'; ++i) decodeTable[i] = (byte) j++;
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for (int i = 'a'; i <= 'z'; ++i) decodeTable[i] = (byte) j++;
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for (int i = '0'; i <= '9'; ++i) decodeTable[i] = (byte) j++;
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decodeTable['+'] = (byte) j++;
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decodeTable['/'] = (byte) j++;
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decodeTable['='] = 0;
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expect(decodeTable['a'] != 0);
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}
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{ boolean p = true;
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int[] array = new int[] { 1, 2 };
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expect(array[0] == array[p ? 0 : 1]);
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p = false;
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expect(array[1] == array[p ? 0 : 1]);
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}
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{ int[] array = new int[1024];
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array[1023] = -1;
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expect(array[1023] == -1);
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expect(array[1022] == 0);
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}
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{ Integer[] array = (Integer[])
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java.lang.reflect.Array.newInstance(Integer.class, 1);
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array[0] = Integer.valueOf(42);
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expect(array[0].intValue() == 42);
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}
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{ Object[] a = new Object[3];
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Object[] b = new Object[3];
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expect(java.util.Arrays.equals(a, b));
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a[0] = new Object();
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expect(! java.util.Arrays.equals(a, b));
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expect(! java.util.Arrays.equals(b, new Object[4]));
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expect(! java.util.Arrays.equals(a, null));
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expect(! java.util.Arrays.equals(null, b));
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expect(java.util.Arrays.equals((Object[])null, (Object[])null));
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b[0] = a[0];
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expect(java.util.Arrays.equals(a, b));
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java.util.Arrays.hashCode(a);
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java.util.Arrays.hashCode((Object[])null);
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}
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}
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}
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