|
| 1 | +// Helper classes |
| 2 | +class Wrapper<T> { |
| 3 | + public T field; |
| 4 | +} |
| 5 | + |
| 6 | +class IntWrapper { |
| 7 | + public int i; |
| 8 | +} |
| 9 | + |
| 10 | +class TwoWrapper<K, V> { |
| 11 | + public K first; |
| 12 | + public V second; |
| 13 | +} |
| 14 | + |
| 15 | +interface InterfaceWrapper<T> { |
| 16 | + public T method(T t); |
| 17 | +} |
| 18 | + |
| 19 | +// A class extending a generic class instantiated with a standard library class |
| 20 | +class SuperclassInst extends Wrapper<Integer> { |
| 21 | + public void foo() { |
| 22 | + this.field = 5; |
| 23 | + } |
| 24 | +} |
| 25 | + |
| 26 | +// A class extending a generic class instantiated with a user-defined class |
| 27 | +class SuperclassInst2 extends Wrapper<IntWrapper> { |
| 28 | + public void foo() { |
| 29 | + this.field.i = 5; |
| 30 | + } |
| 31 | +} |
| 32 | + |
| 33 | +// A class extending an instantiated nested generic class |
| 34 | +class SuperclassInst3 extends Wrapper<Wrapper<IntWrapper>> { |
| 35 | + public void foo() { |
| 36 | + this.field.field.i = 5; |
| 37 | + } |
| 38 | +} |
| 39 | + |
| 40 | +// A generic class extending a generic class (must be with the same parameter) |
| 41 | +class SuperclassUninst<U> extends Wrapper<U> { |
| 42 | + public void foo(U value) { |
| 43 | + this.field = value; |
| 44 | + } |
| 45 | +} |
| 46 | +class SuperclassUninstTest |
| 47 | +{ |
| 48 | + SuperclassUninst<Integer> f; |
| 49 | + public void foo() { |
| 50 | + f.foo(new Integer(1)); |
| 51 | + } |
| 52 | +} |
| 53 | + |
| 54 | + |
| 55 | +// A generic class extending a generic class with both instantiated and |
| 56 | +// uninstantiated parameters |
| 57 | +class SuperclassMixed<U> extends TwoWrapper<U,IntWrapper> { |
| 58 | + public void foo(U value) { |
| 59 | + this.first = value; |
| 60 | + this.second.i = 5; |
| 61 | + } |
| 62 | +} |
| 63 | +class SuperclassMixedTest |
| 64 | +{ |
| 65 | + SuperclassMixed<Boolean> f; |
| 66 | + public void foo() { |
| 67 | + f.foo(true); |
| 68 | + } |
| 69 | +} |
| 70 | + |
| 71 | +// Inner classes (generic or not) extending generic classes |
| 72 | +class SuperclassInnerInst { |
| 73 | + class Inner extends Wrapper<Integer> { |
| 74 | + public void foo() { |
| 75 | + this.field = 5; |
| 76 | + } |
| 77 | + } |
| 78 | + public Inner inner; |
| 79 | + |
| 80 | + class InnerGen<T> extends Wrapper<T> { |
| 81 | + public void foo(T value) { |
| 82 | + this.field = value; |
| 83 | + } |
| 84 | + } |
| 85 | + public InnerGen<Boolean> inner_gen; |
| 86 | + |
| 87 | + public void foo() { |
| 88 | + inner.foo(); |
| 89 | + inner_gen.foo(true); |
| 90 | + } |
| 91 | +} |
| 92 | + |
| 93 | +// Implicitly generic inner classes (generic or not) extending generic classes |
| 94 | +class SuperclassInnerUninst<U> { |
| 95 | + class Inner extends Wrapper<U> { |
| 96 | + public void foo(U value) { |
| 97 | + this.field = value; |
| 98 | + } |
| 99 | + } |
| 100 | + public Inner inner; |
| 101 | + |
| 102 | + class InnerGen<T> extends TwoWrapper<U,T> { |
| 103 | + public void foo(U uvalue, T tvalue) { |
| 104 | + this.first = uvalue; |
| 105 | + this.second = tvalue; |
| 106 | + } |
| 107 | + } |
| 108 | + public InnerGen<Boolean> inner_gen; |
| 109 | + |
| 110 | + class InnerThree extends Inner { |
| 111 | + } |
| 112 | + public InnerThree inner_three; |
| 113 | +} |
| 114 | +class SuperclassInnerUninstTest |
| 115 | +{ |
| 116 | + SuperclassInnerUninst<IntWrapper> f; |
| 117 | + public void foo() { |
| 118 | + IntWrapper x = new IntWrapper(); |
| 119 | + f.inner.foo(x); |
| 120 | + f.inner_gen.foo(x,true); |
| 121 | + f.inner_three.foo(x); |
| 122 | + } |
| 123 | +} |
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