new inference: initial tests

2026-09-09 20:42:52 +07:00 · 2013-09-20 12:11:57 +04:00
parent 970a180902
commit 935cdbaf3b
229 changed files with 7713 additions and 1 deletions
@@ -0,0 +1,69 @@
+public class Autoboxing {
+    public boolean compare(short s, Integer i) {
+         return i == s; //OK, i is unboxed
+    }
+
+    public boolean compare(Short s, Integer i) {
+         return <error descr="Operator '==' cannot be applied to 'java.lang.Integer', 'java.lang.Short'">i == s</error>; //comparing as references
+    }
+
+    void f(Integer i) {
+      switch(i) {
+       default:
+      }
+    }
+
+    {
+      Object data = 1;
+      boolean is1 = <error descr="Operator '==' cannot be applied to 'java.lang.Object', 'int'">data == 1</error>;
+    }
+
+    //IDEADEV-5549: Short and double are convertible
+    public static double f () {
+      Short s = 0;
+      return (double)s;
+    }
+
+    //IDEADEV-5613
+    class DumbTest {
+      private long eventId;
+
+      public int hashCode() {
+        return ((Long) eventId).hashCode();
+      }
+    }
+
+    public static void main(String[] args) {
+        Long l = 0L;
+        Short s = 0;
+
+        int d = <error descr="Inconvertible types; cannot cast 'java.lang.Long' to 'int'">(int)l</error>;
+        d = (int)s;
+
+        short t = 0;
+        Integer d1 = <error descr="Inconvertible types; cannot cast 'short' to 'java.lang.Integer'">(Integer) t</error>;
+        Byte b = <error descr="Inconvertible types; cannot cast 'short' to 'java.lang.Byte'">(Byte) t</error>;
+
+    }
+
+  {
+    {
+      boolean cond = true;
+      // test for JLS3 bug, see http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6888770
+      Byte B = 0;
+      byte b = 0;
+      byte value = cond ? B : b;  /////////
+
+      short s = 0;
+      Short S = 0;
+      short rs = cond ? S : s;
+
+      char c = 0;
+      Character C = 0;
+      char rc = cond ? C : c;
+
+      boolean bb = cond ? Boolean.FALSE : true;
+    }
+    
+  }
+}