add tests for alpha annotion

Author: bishabosha

tests/run/alpha-modules-1/7721_1.scala

@@ -0,0 +1,5 @@
+package alpha
+
+@scala.annotation.alpha("A") object B {
+  def foo = 23
+}

tests/run/alpha-modules-1/Test_2.java

@@ -0,0 +1,9 @@
+package alpha;
+
+public class Test_2 {
+
+  public static void main(String[] args) {
+    assert A.foo() == 23;
+    assert A$.MODULE$.foo() == 23;
+  }
+}

tests/run/alpha-modules-1/Test_3.scala

@@ -0,0 +1,4 @@
+object Test {
+  def main(args: Array[String]): Unit =
+    alpha.Test_2.main(args)
+}

tests/run/alpha-modules-2/7723_1.scala

@@ -0,0 +1,3 @@
+package alpha
+
+@scala.annotation.alpha("A") class B(val i: Int = 1)

tests/run/alpha-modules-2/Test_2.java

@@ -0,0 +1,10 @@
+package alpha;
+
+public class Test_2 {
+
+  public static void main(String[] args) {
+    assert new A(101).i() == 101;
+    assert new A(A.$lessinit$greater$default$1()).i() == 101;
+    assert new A(A$.MODULE$.$lessinit$greater$default$1()).i() == 101;
+  }
+}

tests/run/alpha-modules-2/Test_3.scala

@@ -0,0 +1,4 @@
+object Test {
+  def main(args: Array[String]): Unit =
+    alpha.Test_2.main(args)
+}