langtools/test/tools/javac/generics/diamond/pos/Pos03.java
changeset 3765 9548183897cb
child 5327 cdc146f667c7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/generics/diamond/pos/Pos03.java	Thu Aug 27 13:40:48 2009 +0100
@@ -0,0 +1,91 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 6840638
+ *
+ * @summary  Project Coin: Improved Type Inference for Generic Instance Creation (aka 'diamond')
+ * @author mcimadamore
+ * @compile Pos03.java -source 1.7
+ * @run main Pos03
+ *
+ */
+
+public class Pos03<U> {
+
+    class Foo<V> {
+        Foo(V x) {}
+        <Z> Foo(V x, Z z) {}
+    }
+
+    void testSimple() {
+        Foo<Integer> f1 = new Foo<>(1); //new Foo<Integer> created
+        Foo<? extends Integer> f2 = new Foo<>(1); //new Foo<Integer> created
+        Foo<?> f3 = new Foo<>(1); //new Foo<Object> created
+        Foo<? super Integer> f4 = new Foo<>(1); //new Foo<Object> created
+
+        Foo<Integer> f5 = new Foo<>(1){}; //new Foo<Integer> created
+        Foo<? extends Integer> f6 = new Foo<>(1){}; //new Foo<Integer> created
+        Foo<?> f7 = new Foo<>(1){}; //new Foo<Object> created
+        Foo<? super Integer> f8 = new Foo<>(1){}; //new Foo<Object> created
+
+        Foo<Integer> f9 = new Foo<>(1, ""); //new Foo<Integer> created
+        Foo<? extends Integer> f10 = new Foo<>(1, ""); //new Foo<Integer> created
+        Foo<?> f11 = new Foo<>(1, ""); //new Foo<Object> created
+        Foo<? super Integer> f12 = new Foo<>(1, ""); //new Foo<Object> created
+
+        Foo<Integer> f13 = new Foo<>(1, ""){}; //new Foo<Integer> created
+        Foo<? extends Integer> f14 = new Foo<>(1, ""){}; //new Foo<Integer> created
+        Foo<?> f15 = new Foo<>(1, ""){}; //new Foo<Object> created
+        Foo<? super Integer> f16 = new Foo<>(1, ""){}; //new Foo<Object> created
+    }
+
+    void testQualified_1() {
+        Foo<Integer> f1 = new Pos03<U>.Foo<>(1); //new Foo<Integer> created
+        Foo<? extends Integer> f2 = new Pos03<U>.Foo<>(1); //new Foo<Integer> created
+        Foo<?> f3 = new Pos03<U>.Foo<>(1); //new Foo<Object> created
+        Foo<? super Integer> f4 = new Pos03<U>.Foo<>(1); //new Foo<Object> created
+
+        Foo<Integer> f5 = new Pos03<U>.Foo<>(1){}; //new Foo<Integer> created
+        Foo<? extends Integer> f6 = new Pos03<U>.Foo<>(1){}; //new Foo<Integer> created
+        Foo<?> f7 = new Pos03<U>.Foo<>(1){}; //new Foo<Object> created
+        Foo<? super Integer> f8 = new Pos03<U>.Foo<>(1){}; //new Foo<Object> created
+
+        Foo<Integer> f9 = new Pos03<U>.Foo<>(1, ""); //new Foo<Integer> created
+        Foo<? extends Integer> f10 = new Pos03<U>.Foo<>(1, ""); //new Foo<Integer> created
+        Foo<?> f11 = new Pos03<U>.Foo<>(1, ""); //new Foo<Object> created
+        Foo<? super Integer> f12 = new Pos03<U>.Foo<>(1, ""); //new Foo<Object> created
+
+        Foo<Integer> f13 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Integer> created
+        Foo<? extends Integer> f14 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Integer> created
+        Foo<?> f15 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Object> created
+        Foo<? super Integer> f16 = new Pos03<U>.Foo<>(1, ""){}; //new Foo<Object> created
+    }
+
+    void testQualified_2(Pos03<U> p) {
+        Foo<Integer> f1 = p.new Foo<>(1); //new Foo<Integer> created
+        Foo<? extends Integer> f2 = p.new Foo<>(1); //new Foo<Integer> created
+        Foo<?> f3 = p.new Foo<>(1); //new Foo<Object> created
+        Foo<? super Integer> f4 = p.new Foo<>(1); //new Foo<Object> created
+
+        Foo<Integer> f5 = p.new Foo<>(1){}; //new Foo<Integer> created
+        Foo<? extends Integer> f6 = p.new Foo<>(1){}; //new Foo<Integer> created
+        Foo<?> f7 = p.new Foo<>(1){}; //new Foo<Object> created
+        Foo<? super Integer> f8 = p.new Foo<>(1){}; //new Foo<Object> created
+
+        Foo<Integer> f9 = p.new Foo<>(1, ""); //new Foo<Integer> created
+        Foo<? extends Integer> f10 = p.new Foo<>(1, ""); //new Foo<Integer> created
+        Foo<?> f11 = p.new Foo<>(1, ""); //new Foo<Object> created
+        Foo<? super Integer> f12 = p.new Foo<>(1, ""); //new Foo<Object> created
+
+        Foo<Integer> f13 = p.new Foo<>(1, ""){}; //new Foo<Integer> created
+        Foo<? extends Integer> f14 = p.new Foo<>(1, ""){}; //new Foo<Integer> created
+        Foo<?> f15 = p.new Foo<>(1, ""){}; //new Foo<Object> created
+        Foo<? super Integer> f16 = p.new Foo<>(1, ""){}; //new Foo<Object> created
+    }
+
+    public static void main(String[] args) {
+        Pos03<String> p3 = new Pos03<>();
+        p3.testSimple();
+        p3.testQualified_1();
+        p3.testQualified_2(p3);
+    }
+}