From c8f4316b374d78caaf5ba605cd34e323b78a77de Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Fri, 10 Jun 2011 22:38:17 +0000
Subject: A test case demonstrating some of the issues wi...

A test case demonstrating some of the issues with DelayedInit.
References #4680. Review by odersky.
---
 test/files/run/bug4680.check | 60 +++++++++++++++++++++++++++++++++++++
 test/files/run/bug4680.scala | 71 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 131 insertions(+)
 create mode 100644 test/files/run/bug4680.check
 create mode 100644 test/files/run/bug4680.scala

(limited to 'test')

diff --git a/test/files/run/bug4680.check b/test/files/run/bug4680.check
new file mode 100644
index 0000000000..b5cfc651f2
--- /dev/null
+++ b/test/files/run/bug4680.check
@@ -0,0 +1,60 @@
+
+
+// new C { }
+-A -B -C 
+
+// new C { 5 }
+-A -B -C 
+A+ B+ C+ 
+
+// new D()
+-A -B -C -D 
+A+ B+ C+ D+ 
+
+// new D() { }
+-A -B -C -D 
+A+ B+ C+ D+ 
+
+// new D() { val x = 5 }
+-A -B -C -D 
+A+ B+ C+ D+ 
+A+ B+ C+ D+ 
+
+// new { val x = 5 } with D()
+-A -B -C -D 
+A+ B+ C+ D+ 
+
+// new E() { val x = 5 }
+-A -B -C -D 
+A+ B+ C+ D+ E+
+-E
+
+A+ B+ C+ D+ E+
+
+A+ B+ C+ D+ E+
+
+
+// new { val x = 5 } with E()
+-A -B -C -D 
+A+ B+ C+ D+ E+
+-E
+
+A+ B+ C+ D+ E+
+
+
+// new { val x = 5 } with E() { }
+-A -B -C -D 
+A+ B+ C+ D+ E+
+-E
+
+A+ B+ C+ D+ E+
+
+
+// new { val x = 5 } with E() { 5 }
+-A -B -C -D 
+A+ B+ C+ D+ E+
+-E
+
+A+ B+ C+ D+ E+
+
+A+ B+ C+ D+ E+
diff --git a/test/files/run/bug4680.scala b/test/files/run/bug4680.scala
new file mode 100644
index 0000000000..d5c8d0e7af
--- /dev/null
+++ b/test/files/run/bug4680.scala
@@ -0,0 +1,71 @@
+trait A extends DelayedInit {
+  print("-A ")
+
+  def delayedInit(body: => Unit) = {
+    body
+    postConstructionCode
+  }
+  protected def postConstructionCode: Unit = {
+    print("\nA+ ")
+  }
+}
+trait B extends A {
+  print("-B ")
+  override protected def postConstructionCode: Unit = {
+    super.postConstructionCode
+    print("B+ ")
+  }
+}
+
+trait C extends B {
+  print("-C ")
+  override protected def postConstructionCode: Unit = {
+    super.postConstructionCode
+    print("C+ ")
+  }
+}
+
+class D() extends C  {
+  print("-D ")
+  override protected def postConstructionCode: Unit = {
+    super.postConstructionCode
+    print("D+ ")
+  }
+}
+class E() extends D() {
+  println("-E")
+  override protected def postConstructionCode: Unit = {
+    super.postConstructionCode
+    println("E+")
+  }
+}
+
+
+object Test {
+  def p(msg: String) = println("\n\n// " + msg)
+
+  def main(args: Array[String]) {
+    p("new C { }")
+    new C { }
+    p("new C { 5 }")
+    new C { 5 }
+
+    p("new D()")
+    new D()
+    p("new D() { }")
+    new D() { }
+    p("new D() { val x = 5 }")
+    new D() { val x = 5 }
+    p("new { val x = 5 } with D()")
+    new { val x = 5 } with D()
+
+    p("new E() { val x = 5 }")
+    new E() { val x = 5 }
+    p("new { val x = 5 } with E()")
+    new { val x = 5 } with E()
+    p("new { val x = 5 } with E() { }")
+    new { val x = 5 } with E() { }
+    p("new { val x = 5 } with E() { 5 }")
+    new { val x = 5 } with E() { 5 }
+  }
+}
-- 
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