langtools/test/tools/javac/generics/diamond/neg/Neg02.java
changeset 3765 9548183897cb
child 5327 cdc146f667c7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/generics/diamond/neg/Neg02.java	Thu Aug 27 13:40:48 2009 +0100
@@ -0,0 +1,61 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 6840638
+ *
+ * @summary  Project Coin: Improved Type Inference for Generic Instance Creation (aka 'diamond')
+ * @author mcimadamore
+ * @compile/fail/ref=Neg02.out Neg02.java -source 1.7 -XDrawDiagnostics
+ *
+ */
+
+class Neg02 {
+
+    static class Foo<X extends Number> {
+        Foo(X x) {}
+        <Z> Foo(X x, Z z) {}
+    }
+
+    void testSimple() {
+        Foo<String> f1 = new Foo<>(""); //new Foo<Integer> created
+        Foo<? extends String> f2 = new Foo<>(""); //new Foo<Integer> created
+        Foo<?> f3 = new Foo<>(""); //new Foo<Object> created
+        Foo<? super String> f4 = new Foo<>(""); //new Foo<Object> created
+
+        Foo<String> f5 = new Foo<>(""){}; //new Foo<Integer> created
+        Foo<? extends String> f6 = new Foo<>(""){}; //new Foo<Integer> created
+        Foo<?> f7 = new Foo<>(""){}; //new Foo<Object> created
+        Foo<? super String> f8 = new Foo<>(""){}; //new Foo<Object> created
+
+        Foo<String> f9 = new Foo<>("", ""); //new Foo<Integer> created
+        Foo<? extends String> f10 = new Foo<>("", ""); //new Foo<Integer> created
+        Foo<?> f11 = new Foo<>("", ""); //new Foo<Object> created
+        Foo<? super String> f12 = new Foo<>("", ""); //new Foo<Object> created
+
+        Foo<String> f13 = new Foo<>("", ""){}; //new Foo<Integer> created
+        Foo<? extends String> f14 = new Foo<>("", ""){}; //new Foo<Integer> created
+        Foo<?> f15 = new Foo<>("", ""){}; //new Foo<Object> created
+        Foo<? super String> f16 = new Foo<>("", ""){}; //new Foo<Object> created
+    }
+
+    void testQualified() {
+        Foo<String> f1 = new Neg02.Foo<>(""); //new Foo<Integer> created
+        Foo<? extends String> f2 = new Neg02.Foo<>(""); //new Foo<Integer> created
+        Foo<?> f3 = new Neg02.Foo<>(""); //new Foo<Object> created
+        Foo<? super String> f4 = new Neg02.Foo<>(""); //new Foo<Object> created
+
+        Foo<String> f5 = new Neg02.Foo<>(""){}; //new Foo<Integer> created
+        Foo<? extends String> f6 = new Neg02.Foo<>(""){}; //new Foo<Integer> created
+        Foo<?> f7 = new Neg02.Foo<>(""){}; //new Foo<Object> created
+        Foo<? super String> f8 = new Neg02.Foo<>(""){}; //new Foo<Object> created
+
+        Foo<String> f9 = new Neg02.Foo<>("", ""); //new Foo<Integer> created
+        Foo<? extends String> f10 = new Neg02.Foo<>("", ""); //new Foo<Integer> created
+        Foo<?> f11 = new Neg02.Foo<>("", ""); //new Foo<Object> created
+        Foo<? super String> f12 = new Neg02.Foo<>("", ""); //new Foo<Object> created
+
+        Foo<String> f13 = new Neg02.Foo<>("", ""){}; //new Foo<Integer> created
+        Foo<? extends String> f14 = new Neg02.Foo<>("", ""){}; //new Foo<Integer> created
+        Foo<?> f15 = new Neg02.Foo<>("", ""){}; //new Foo<Object> created
+        Foo<? super String> f16 = new Neg02.Foo<>("", ""){}; //new Foo<Object> created
+    }
+}