From 6965b470d433f501203c4e3d77b0919f826691ba Mon Sep 17 00:00:00 2001
From: Dmitry Petrashko <dmitry.petrashko@gmail.com>
Date: Fri, 22 May 2015 16:07:23 +0200
Subject: Enable 440 run tests that pass.

Note that some of them may pass due to several bugs that interfere.
---
 tests/run/iq.scala | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 tests/run/iq.scala

(limited to 'tests/run/iq.scala')

diff --git a/tests/run/iq.scala b/tests/run/iq.scala
new file mode 100644
index 000000000..e70b6e4f8
--- /dev/null
+++ b/tests/run/iq.scala
@@ -0,0 +1,111 @@
+/*
+ * Test file for immutable queues.
+ */
+
+import scala.collection.immutable.Queue
+
+object iq {
+  def main: Unit = {
+    /* Create an empty queue. */
+    val q: Queue[Int] = Queue.empty
+
+    /* Test isEmpty.
+     * Expected: Empty
+     */
+    if (q.isEmpty) {
+      Console.println("Empty")
+    }
+
+    /* Test enqueing. */
+    val q2 = q.enqueue(42).enqueue(0)
+    val qa = q :+ 42 :+ 0
+    assert(q2 == qa)
+    
+    val qb = 42 +: 0 +: q
+    assert(q2 == qb)
+    val qc = 42 +: q :+ 0
+    assert(q2 == qc)
+
+    Console.println("q2: " + q2)
+    Console.println("qa: " + qa)
+    Console.println("qb: " + qb)
+    Console.println("qc: " + qc)
+    
+    /* Test is empty and dequeue.
+     * Expected: Head: 42
+     */
+    val q4 =
+      if (q2.isEmpty) {
+        Console.println("Empty")
+        q2
+      }
+      else {
+	val (head, q3) = q2.dequeue
+        Console.println("Head: " + head)
+        q3
+      }
+
+    /* Test sequence enqueing. */
+    val q5: Queue[Any] = q4.enqueue(List(1,2,3,4,5,6,7,8,9))
+    /* Test toString.
+     * Expected: q5: Queue(0,1,2,3,4,5,6,7,8,9)
+     */
+    Console.println("q5: " + q5)
+    /* Test apply
+     * Expected: q5[5]: 5
+     */
+    Console.println("q5[5]: " + q5(5))
+
+    val q5c: Queue[Int] = Queue.empty.enqueue(List(0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
+
+    /* Testing ==
+     *  Expected: q5 == q9: true
+     *            q9 == q5: true
+     */
+    Console.println("q5 == q5c: " + (q5 == q5c))
+    Console.println("q5c == q5: " + (q5c == q5))
+
+    val (_, q6) = q5.dequeue
+    val (_, q7) = q6.dequeue
+    //val q8 = q7 + 10 + 11  //deprecated
+    val q8 = q7.enqueue(10).enqueue(11)
+    /* Test dequeu
+     * Expected: q8: Queue(2,3,4,5,6,7,8,9,10,11)
+     */
+    Console.println("q8: " + q8)
+    val q9 = Queue(2,3,4,5,6,7,8,9,10,11)
+
+    /* Testing ==
+     *  Expected: q8 == q9: true
+     */
+    Console.println("q8 == q9: " + (q8 == q9))
+
+    /* Testing elements
+     *  Expected: Elements:  1  2  3  4  5  6  7  8  9
+     */
+    Console.print("Elements: ");
+    q6.iterator.foreach(e => Console.print(" "+ e + " "))
+    Console.println;
+
+   /* Testing mkString
+     *  Expected: String: <1-2-3-4-5-6-7-8-9>
+     */
+    Console.println("String: " + q6.mkString("<","-",">"))
+
+    /* Testing length
+     *  Expected: Length: 9
+     */
+    Console.println("Length: " + q6.length)
+
+    /* Testing front
+     *  Expected: Front: 1
+     */
+    Console.println("Front: " + q6.front);
+  }
+}
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    iq.main
+  }
+}
-- 
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